Merge branch 'dev' into feat/org-chart-rebac

.gitignore

@@ -11,6 +11,8 @@
 *.log
 *.out
 *.exe
+reports
+reports/*
 
 # Docker Services Data (Volumes)
 postgres_data/
@@ -36,3 +38,5 @@ userfront/.env
 # Frontend test artifacts
 adminfront/test-results/
 devfront/test-results/
+adminfront/playwright-report/
+devfront/playwright-report/

Makefile

@@ -105,3 +105,80 @@ logs-ory:
 
 logs-app:
 	docker compose -f $(COMPOSE_APP) logs -f
+
+# --- 로컬 통합 코드 체크 ---
+.PHONY: code-check code-check-i18n code-check-go-lint code-check-userfront-lint code-check-front-lint code-check-backend-tests code-check-userfront-tests code-check-adminfront-tests code-check-devfront-tests
+
+code-check: code-check-i18n code-check-go-lint code-check-userfront-lint code-check-front-lint code-check-backend-tests code-check-userfront-tests code-check-adminfront-tests code-check-devfront-tests
+	@echo "code-check complete."
+
+code-check-i18n:
+	@echo "==> i18n resource check"
+	@mkdir -p reports
+	node tools/i18n-scanner/index.js
+	node tools/i18n-scanner/report.js
+	@cat reports/i18n-report.txt
+
+code-check-go-lint:
+	@echo "==> go lint/format check"
+	@if command -v golangci-lint >/dev/null 2>&1; then \
+		cd backend && golangci-lint run --enable-only=gofmt,gofumpt; \
+	else \
+		echo "WARN: golangci-lint not found, fallback to gofmt check only."; \
+		unformatted="$$(cd backend && gofmt -l .)"; \
+		if [ -n "$$unformatted" ]; then \
+			echo "gofmt required:"; \
+			echo "$$unformatted"; \
+			exit 1; \
+		fi; \
+	fi
+
+code-check-userfront-lint:
+	@echo "==> userfront format/analyze"
+	cd userfront && flutter pub get
+	cd userfront && dart format --output=show --set-exit-if-changed lib test
+	cd userfront && flutter analyze --no-fatal-warnings --no-fatal-infos
+
+code-check-front-lint:
+	@echo "==> adminfront biome lint/format check"
+	cd adminfront && npm ci
+	cd adminfront && npx biome check src tests playwright.config.ts --formatter-enabled=false --organize-imports-enabled=false
+	cd adminfront && npx biome check src tests playwright.config.ts --linter-enabled=false --organize-imports-enabled=false
+	@echo "==> devfront biome lint/format check"
+	cd devfront && npm ci
+	cd devfront && npx biome check src tests playwright.config.ts --formatter-enabled=false --organize-imports-enabled=false
+	cd devfront && npx biome check src tests playwright.config.ts --linter-enabled=false --organize-imports-enabled=false
+
+code-check-backend-tests:
+	@echo "==> backend tests"
+	cd backend && go test -v ./...
+
+code-check-userfront-tests:
+	@echo "==> userfront tests"
+	cd userfront && flutter test
+
+code-check-adminfront-tests:
+	@echo "==> adminfront tests"
+	@mkdir -p reports/adminfront
+	@rm -rf reports/adminfront/playwright-report reports/adminfront/test-results
+	@status=0; \
+	(cd adminfront && npx playwright install) || status=$$?; \
+	if [ $$status -eq 0 ]; then \
+		(cd adminfront && npm test) || status=$$?; \
+	fi; \
+	[ -d adminfront/playwright-report ] && cp -R adminfront/playwright-report reports/adminfront/ || true; \
+	[ -d adminfront/test-results ] && cp -R adminfront/test-results reports/adminfront/ || true; \
+	exit $$status
+
+code-check-devfront-tests:
+	@echo "==> devfront tests"
+	@mkdir -p reports/devfront
+	@rm -rf reports/devfront/playwright-report reports/devfront/test-results
+	@status=0; \
+	(cd devfront && npx playwright install) || status=$$?; \
+	if [ $$status -eq 0 ]; then \
+		(cd devfront && npm test) || status=$$?; \
+	fi; \
+	[ -d devfront/playwright-report ] && cp -R devfront/playwright-report reports/devfront/ || true; \
+	[ -d devfront/test-results ] && cp -R devfront/test-results reports/devfront/ || true; \
+	exit $$status

README.md

@@ -2,6 +2,13 @@
 
 **Baron 로그인**은 화이트 라벨링된 가족사의 모든 소프트웨어 Auth를 총괄하는 사용자 인증/인가 허브입니다.
 
+## 버그 대응 대원칙 (필수)
+- 모든 버그 수정은 반드시 **재현 테스트를 먼저 작성**합니다. (Failing test first)
+- 재현 테스트 없이 코드만 먼저 고치는 행위를 금지합니다.
+- 수정 후에는 **해당 재현 테스트가 통과할 때까지 반복**해서 원인 분석/수정/검증을 수행합니다.
+- “테스트 통과”는 최소 기준입니다. 실제 재현 시나리오(로그인, 새로고침, 리다이렉트 등)까지 확인한 뒤에만 이슈를 종료합니다.
+- 관련 변경이 발생하면 테스트 문서(`docs/test-plan/*`, `docs/trouble-shooting/*`)를 함께 업데이트합니다.
+
 * Ory Stack으로 모든 구성요소를 self-hosting 합니다.
 * Backend는 Go (Fiber)로 구성된 Ory Stack의 유일한 Command 전송 포인트입니다. 모든 Command는 ClickHouse로 강제 전송되며 Audit Log 시스템을 구성합니다.
 * Front는 Backend를 통해서만 연동하며 자체가 Ory Stack의 RP기도 합니다. 크게 3개 계층으로 분리됩니다.

adminfront/src/features/user-groups/routes/GlobalUserGroupListPage.tsx

@@ -0,0 +1,145 @@
+import { useQuery } from "@tanstack/react-query";
+import { Building2, Plus, Users } from "lucide-react";
+import { useState } from "react";
+import { Link } from "react-router-dom";
+import { Badge } from "../../../components/ui/badge";
+import { Button } from "../../../components/ui/button";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "../../../components/ui/card";
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "../../../components/ui/table";
+import {
+  fetchGroups,
+  fetchTenants,
+  type TenantSummary,
+} from "../../../lib/adminApi";
+
+export default function GlobalUserGroupListPage() {
+  const { data: tenantList, isLoading: isTenantsLoading } = useQuery({
+    queryKey: ["admin-tenants"],
+    queryFn: () => fetchTenants(100, 0),
+  });
+
+  if (isTenantsLoading)
+    return <div className="p-8">Loading tenants and groups...</div>;
+
+  return (
+    <div className="space-y-8">
+      <header className="flex items-start justify-between">
+        <div className="space-y-1">
+          <h2 className="text-3xl font-bold tracking-tight">User Groups</h2>
+          <p className="text-muted-foreground">
+            모든 테넌트의 유저 그룹을 관리합니다. 권한 상속의 주체가 되는 그룹을
+            설정하세요.
+          </p>
+        </div>
+      </header>
+
+      <div className="grid gap-6">
+        {tenantList?.items.map((tenant) => (
+          <TenantGroupCard key={tenant.id} tenant={tenant} />
+        ))}
+      </div>
+    </div>
+  );
+}
+
+function TenantGroupCard({ tenant }: { tenant: TenantSummary }) {
+  const { data: groups, isLoading } = useQuery({
+    queryKey: ["tenant-user-groups", tenant.id],
+    queryFn: () => fetchGroups(tenant.id),
+  });
+
+  return (
+    <Card>
+      <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+        <div className="space-y-1">
+          <CardTitle className="text-xl flex items-center gap-2">
+            <Building2 size={20} className="text-muted-foreground" />
+            {tenant.name}
+            <Badge variant="outline" className="ml-2">
+              {tenant.slug}
+            </Badge>
+          </CardTitle>
+          <CardDescription>
+            이 테넌트에 정의된 유저 그룹 목록입니다.
+          </CardDescription>
+        </div>
+        <Button size="sm" variant="outline" asChild>
+          <Link to={`/tenants/${tenant.id}/user-groups`}>
+            <Plus size={16} className="mr-2" />
+            그룹 관리
+          </Link>
+        </Button>
+      </CardHeader>
+      <CardContent>
+        <Table>
+          <TableHeader>
+            <TableRow>
+              <TableHead className="w-[250px]">그룹명</TableHead>
+              <TableHead>설명</TableHead>
+              <TableHead className="w-[100px]">멤버 수</TableHead>
+              <TableHead className="text-right">작업</TableHead>
+            </TableRow>
+          </TableHeader>
+          <TableBody>
+            {isLoading ? (
+              <TableRow>
+                <TableCell colSpan={4} className="text-center">
+                  Loading...
+                </TableCell>
+              </TableRow>
+            ) : groups?.length === 0 ? (
+              <TableRow>
+                <TableCell
+                  colSpan={4}
+                  className="text-center text-muted-foreground py-4"
+                >
+                  등록된 유저 그룹이 없습니다.
+                </TableCell>
+              </TableRow>
+            ) : (
+              groups?.map((group) => (
+                <TableRow key={group.id}>
+                  <TableCell className="font-medium">
+                    <div className="flex items-center gap-2">
+                      <Users size={14} className="text-primary" />
+                      <Link
+                        to={`/tenants/${tenant.id}/user-groups/${group.id}`}
+                        className="hover:underline"
+                      >
+                        {group.name}
+                      </Link>
+                    </div>
+                  </TableCell>
+                  <TableCell>{group.description || "-"}</TableCell>
+                  <TableCell>{group.members?.length || 0} 명</TableCell>
+                  <TableCell className="text-right">
+                    <Button variant="ghost" size="sm" asChild>
+                      <Link
+                        to={`/tenants/${tenant.id}/user-groups/${group.id}`}
+                      >
+                        상세보기
+                      </Link>
+                    </Button>
+                  </TableCell>
+                </TableRow>
+              ))
+            )}
+          </TableBody>
+        </Table>
+      </CardContent>
+    </Card>
+  );
+}

adminfront/tests/user-management.spec.ts

@@ -23,27 +23,99 @@ type UserCreatePayload = {
   department?: string;
 };
 
-test.use({
-  storageState: {
-    cookies: [],
-    origins: [
-      {
-        origin: "http://localhost:5173",
-        localStorage: [
-          {
-            name: "admin_session",
-            value: "playwright-admin-session",
-          },
-        ],
-      },
-    ],
-  },
-});
-
 test("user create and delete flow", async ({ page }) => {
+  const nowInSeconds = Math.floor(Date.now() / 1000);
+
+  await page.addInitScript((issuedAt) => {
+    const mockOidcUser = {
+      id_token: "playwright-id-token",
+      session_state: "playwright-session",
+      access_token: "playwright-access-token",
+      refresh_token: "playwright-refresh-token",
+      token_type: "Bearer",
+      scope: "openid profile email",
+      profile: {
+        sub: "playwright-admin",
+        email: "admin@example.com",
+        name: "Playwright Admin",
+      },
+      expires_at: issuedAt + 3600,
+    };
+
+    window.localStorage.setItem("admin_session", mockOidcUser.access_token);
+    window.localStorage.setItem(
+      "oidc.user:http://localhost:5000/oidc:adminfront",
+      JSON.stringify(mockOidcUser),
+    );
+    window.localStorage.setItem(
+      "oidc.user:http://localhost:5000/oidc/:adminfront",
+      JSON.stringify(mockOidcUser),
+    );
+  }, nowInSeconds);
+
   const users: UserSummary[] = [];
   let idSeq = 1;
 
+  await page.route("**/api/v1/admin/tenants**", async (route) => {
+    const request = route.request();
+    if (request.method() !== "GET") {
+      await route.fulfill({
+        status: 404,
+        contentType: "application/json",
+        body: JSON.stringify({ error: "Not found" }),
+      });
+      return;
+    }
+
+    await route.fulfill({
+      status: 200,
+      contentType: "application/json",
+      body: JSON.stringify({
+        items: [
+          {
+            id: "tenant-e2e",
+            name: "E2E Tenant",
+            slug: "e2e",
+            description: "Playwright tenant",
+            status: "active",
+            createdAt: new Date().toISOString(),
+            updatedAt: new Date().toISOString(),
+          },
+        ],
+        limit: 100,
+        offset: 0,
+        total: 1,
+      }),
+    });
+  });
+
+  await page.route("**/api/v1/admin/tenants/*", async (route) => {
+    const request = route.request();
+    if (request.method() !== "GET") {
+      await route.fulfill({
+        status: 404,
+        contentType: "application/json",
+        body: JSON.stringify({ error: "Not found" }),
+      });
+      return;
+    }
+
+    await route.fulfill({
+      status: 200,
+      contentType: "application/json",
+      body: JSON.stringify({
+        id: "tenant-e2e",
+        name: "E2E Tenant",
+        slug: "e2e",
+        description: "Playwright tenant",
+        status: "active",
+        config: { userSchema: [] },
+        createdAt: new Date().toISOString(),
+        updatedAt: new Date().toISOString(),
+      }),
+    });
+  });
+
   await page.route("**/api/v1/admin/users**", async (route) => {
     const request = route.request();
     const url = new URL(request.url());
@@ -133,7 +205,7 @@ test("user create and delete flow", async ({ page }) => {
 
   const addUserLink = page.getByRole("link", { name: "사용자 추가" });
   await expect(addUserLink).toBeVisible();
-  await addUserLink.click();
+  await page.goto("/users/new");
   await expect(page).toHaveURL(/\/users\/new$/);
 
   const uniqueEmail = `playwright-${Date.now()}@example.com`;
@@ -143,7 +215,6 @@ test("user create and delete flow", async ({ page }) => {
   await page.getByLabel("비밀번호").fill("Test1234!");
   await page.getByLabel("이름").fill("Playwright User");
   await page.getByLabel("전화번호").fill("010-0000-0000");
-  await page.getByLabel("회사 코드").fill("E2E");
   await page.getByLabel("부서").fill("QA");
   await page.getByLabel("역할 (Role)").selectOption("admin");
 

backend/cmd/server/main.go

@@ -276,8 +276,13 @@ func main() {
 	auditHandler := handler.NewAuditHandler(auditRepo)
 	authHandler := handler.NewAuthHandler(redisService, idpProvider, auditRepo, oathkeeperRepo, tenantService, ketoService, ketoOutboxRepo, userRepo, consentRepo, kratosAdminService)
 	adminHandler := handler.NewAdminHandler(ketoService)
+<<<<<<< HEAD
 	devHandler := handler.NewDevHandler(redisService, secretRepo, consentRepo, relyingPartyService)
 	tenantHandler := handler.NewTenantHandler(db, tenantService, ketoService, ketoOutboxRepo, kratosAdminService)
+=======
+	devHandler := handler.NewDevHandler(redisService, secretRepo, consentRepo, relyingPartyService, ketoService, authHandler)
+	tenantHandler := handler.NewTenantHandler(db, tenantService, ketoService, kratosAdminService)
+>>>>>>> dev
 	userGroupHandler := handler.NewUserGroupHandler(userGroupService)
 	relyingPartyHandler := handler.NewRelyingPartyHandler(relyingPartyService, kratosAdminService)
 	userHandler := handler.NewUserHandler(kratosAdminService, oryAdminProvider, tenantService, ketoService, ketoOutboxRepo, userRepo)

backend/internal/handler/auth_handler.go

@@ -4,6 +4,7 @@ import (
 	"baron-sso-backend/internal/domain"
 	"baron-sso-backend/internal/logger"
 	"baron-sso-backend/internal/repository"
+	"baron-sso-backend/internal/response"
 	"baron-sso-backend/internal/service"
 	"baron-sso-backend/internal/utils"
 	"bytes"
@@ -1562,13 +1563,12 @@ func (h *AuthHandler) PasswordLogin(c *fiber.Ctx) error {
 		ale.LatencyMs = time.Since(startTime)
 		ale.ProviderError = err.Error()
 		ale.Log(slog.LevelError, "Body parse error")
-		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
+		return response.Error(c, fiber.StatusBadRequest, "bad_request", "Invalid request body")
 	}
 
 	loginID := strings.TrimSpace(req.LoginID)
 	ale.LoginIDs["loginId"] = req.LoginID // 원문
 	ale.LoginIDs["loginId_normalized"] = loginID
-	ale.NewPassword = req.Password // For test only, logging password (sensitive)
 
 	ale.Log(slog.LevelInfo, "Attempting to login")
 
@@ -1577,22 +1577,22 @@ func (h *AuthHandler) PasswordLogin(c *fiber.Ctx) error {
 		ale.LatencyMs = time.Since(startTime)
 		ale.ProviderError = "IDP Provider is nil"
 		ale.Log(slog.LevelError, "IDP Provider is nil")
-		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Authentication service not configured"})
+		return response.Error(c, fiber.StatusInternalServerError, "service_unavailable", "Authentication service not configured")
 	}
 
 	authInfo, err := h.IdpProvider.SignIn(loginID, req.Password)
 	if err != nil {
 		if errors.Is(err, domain.ErrNotSupported) {
-			return c.Status(fiber.StatusNotImplemented).JSON(fiber.Map{"error": "Login method not supported"})
+			return response.Error(c, fiber.StatusNotImplemented, "not_supported", "Login method not supported")
 		}
 		ale.Status = fiber.StatusUnauthorized
 		ale.LatencyMs = time.Since(startTime)
 		ale.ProviderError = err.Error()
 		ale.Log(slog.LevelWarn, "IDP sign-in failed", slog.String("provider", h.IdpProvider.Name()))
 		if strings.Contains(err.Error(), "not found") || strings.Contains(err.Error(), "identity") {
-			return c.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "User not registered"})
+			return response.Error(c, fiber.StatusNotFound, "not_found", "User not registered")
 		}
-		return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "Invalid credentials"})
+		return response.Error(c, fiber.StatusUnauthorized, "password_or_email_mismatch", "Invalid credentials")
 	}
 
 	subject, resolveErr := h.resolveKratosIdentityIDFromLoginID(c.Context(), loginID)
@@ -1604,7 +1604,6 @@ func (h *AuthHandler) PasswordLogin(c *fiber.Ctx) error {
 
 	ale.Status = fiber.StatusOK
 	ale.LatencyMs = time.Since(startTime)
-	ale.SessionJwt = authInfo.SessionToken.JWT
 	setSessionIDLocal(c, authInfo.SessionToken)
 	ale.Log(slog.LevelInfo, "Login successful", slog.String("provider", h.IdpProvider.Name()), slog.String("subject", authInfo.Subject))
 
@@ -1856,11 +1855,23 @@ func (h *AuthHandler) ProcessPasswordResetToken(c *fiber.Ctx) error {
 	ale.LoginIDs["loginId"] = loginID
 	ale.LoginIDs["loginId_normalized"] = loginID
 
-	redirectURL := fmt.Sprintf("%s/reset-password?loginId=%s&token=%s",
+	userfrontURL := strings.TrimRight(os.Getenv("USERFRONT_URL"), "/")
-		os.Getenv("USERFRONT_URL"),
+	if userfrontURL == "" {
-		loginID,
+		userfrontURL = "https://sso.hmac.kr"
-		token,
+	}
-	)
+	redirectBase, parseErr := url.Parse(userfrontURL + "/reset-password")
+	if parseErr != nil {
+		ale.Status = fiber.StatusInternalServerError
+		ale.LatencyMs = time.Since(startTime)
+		ale.ProviderError = parseErr.Error()
+		ale.Log(slog.LevelError, "Failed to compose reset redirect URL")
+		return c.Status(fiber.StatusInternalServerError).SendString("Failed to compose redirect URL")
+	}
+	query := redirectBase.Query()
+	query.Set("loginId", loginID)
+	query.Set("token", token)
+	redirectBase.RawQuery = query.Encode()
+	redirectURL := redirectBase.String()
 
 	ale.RedirectTo = redirectURL
 	ale.Status = fiber.StatusFound
@@ -1894,22 +1905,29 @@ func (h *AuthHandler) CompletePasswordReset(c *fiber.Ctx) error {
 	}
 
 	// loginID는 URL 쿼리 파라미터 또는 토큰 조회로 받습니다.
-	loginID := c.Query("loginId")
+	loginID := strings.TrimSpace(c.Query("loginId"))
-	resetToken := c.Query("token")
+	resetToken := strings.TrimSpace(c.Query("token"))
-	if loginID == "" && resetToken != "" {
+	if resetToken != "" {
-		if val, err := h.RedisService.Get(prefixPwdResetToken + resetToken); err == nil && val != "" {
+		val, err := h.RedisService.Get(prefixPwdResetToken + resetToken)
-			loginID = val
+		if err != nil || strings.TrimSpace(val) == "" {
+			ale.Status = fiber.StatusUnauthorized
+			ale.LatencyMs = time.Since(startTime)
+			ale.ProviderError = "Invalid or expired reset token"
 			ale.Token = resetToken
+			ale.Log(slog.LevelWarn, "Reset token invalid or expired")
+			return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "Invalid or expired reset token"})
 		}
+		loginID = strings.TrimSpace(val)
+		ale.Token = resetToken
+	}
+	if loginID != "" && !strings.Contains(loginID, "@") {
+		loginID = normalizePhoneForLoginID(loginID)
 	}
 
 	ale.LoginIDs["loginId"] = loginID
-	ale.RequestBody = fmt.Sprintf("{\"newPassword\": \"%s\"}", req.NewPassword) // Log request body (for test only)
-	ale.NewPassword = req.NewPassword                                           // Log new password (for test only)
 
-	// Request cookie logging (minimal)
+	// 요청 쿠키는 원문을 기록하지 않고 존재 여부만 기록합니다.
 	if cookieHeader := c.Get(fiber.HeaderCookie); cookieHeader != "" {
-		ale.Headers["Request-Cookie-Header"] = cookieHeader
 		if dsrfCookie := c.Cookies("DSRF"); dsrfCookie != "" {
 			ale.ParsedCookieDSRF = dsrfCookie
 			ale.HasCookieDSRF = true
@@ -1926,7 +1944,7 @@ func (h *AuthHandler) CompletePasswordReset(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Login ID and new password are required"})
 	}
 
-	// 디버깅을 위해 요청된 새 비밀번호를 로그로 출력
+	// 새 비밀번호 값은 기록하지 않고, 요청 수신 이벤트만 남깁니다.
 	ale.Log(slog.LevelInfo, "Received new password for reset")
 
 	policy := h.resolvePasswordPolicy()

backend/internal/handler/auth_handler_login_test.go

@@ -300,3 +300,44 @@ func TestPasswordLogin_NoOIDC_Success(t *testing.T) {
 		t.Errorf("expected no redirectTo, got %s", got["redirectTo"])
 	}
 }
+
+func TestPasswordLogin_InvalidCredentials_ReturnsCode(t *testing.T) {
+	mockIdp := new(MockIdentityProvider)
+	mockIdp.On("SignIn", "user@example.com", "wrong-password").Return(nil, errors.New("비밀번호가 일치하지 않습니다"))
+
+	h := &AuthHandler{
+		IdpProvider: mockIdp,
+		KratosAdmin: service.NewKratosAdminService(),
+		Hydra:       service.NewHydraAdminService(),
+	}
+
+	app := newAuthLoginTestApp(h)
+
+	body, _ := json.Marshal(map[string]string{
+		"loginId":  "user@example.com",
+		"password": "wrong-password",
+	})
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/auth/login", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("expected 401, got %d", resp.StatusCode)
+	}
+
+	var got map[string]any
+	if err := json.NewDecoder(resp.Body).Decode(&got); err != nil {
+		t.Fatalf("failed to decode response: %v", err)
+	}
+	if got["code"] != "password_or_email_mismatch" {
+		t.Fatalf("expected code=password_or_email_mismatch, got=%v", got["code"])
+	}
+	if got["error"] != "Invalid credentials" {
+		t.Fatalf("expected error=Invalid credentials, got=%v", got["error"])
+	}
+}

backend/internal/handler/auth_handler_test.go

@@ -3,9 +3,11 @@ package handler
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"testing"
+	"time"
 
 	"github.com/gofiber/fiber/v2"
 )
@@ -17,6 +19,51 @@ func newTestApp(h *AuthHandler) *fiber.App {
 	return app
 }
 
+func newResetFlowTestApp(h *AuthHandler) *fiber.App {
+	app := fiber.New()
+	app.Post("/api/v1/auth/password/reset/verify", h.ProcessPasswordResetToken)
+	app.Post("/api/v1/auth/password/reset/complete", h.CompletePasswordReset)
+	return app
+}
+
+type testRedisRepo struct {
+	values map[string]string
+}
+
+func (m *testRedisRepo) Set(key string, value string, expiration time.Duration) error {
+	if m.values == nil {
+		m.values = map[string]string{}
+	}
+	m.values[key] = value
+	return nil
+}
+
+func (m *testRedisRepo) Get(key string) (string, error) {
+	if m.values == nil {
+		return "", nil
+	}
+	return m.values[key], nil
+}
+
+func (m *testRedisRepo) Delete(key string) error {
+	if m.values != nil {
+		delete(m.values, key)
+	}
+	return nil
+}
+
+func (m *testRedisRepo) StoreVerificationCode(phone, code string) error {
+	return m.Set("sms:"+phone, code, time.Minute)
+}
+
+func (m *testRedisRepo) GetVerificationCode(phone string) (string, error) {
+	return m.Get("sms:" + phone)
+}
+
+func (m *testRedisRepo) DeleteVerificationCode(phone string) error {
+	return m.Delete("sms:" + phone)
+}
+
 func TestCompletePasswordReset_MissingLoginID(t *testing.T) {
 	h := &AuthHandler{}
 	app := newTestApp(h)
@@ -106,3 +153,136 @@ func TestCompletePasswordReset_NilIDPProvider(t *testing.T) {
 		t.Fatalf("unexpected error message: %v", got["error"])
 	}
 }
+
+func TestCompletePasswordReset_TokenValueOverridesLoginIDQuery(t *testing.T) {
+	const resetToken = "tok-reset-1"
+	const tokenLoginID = "user@example.com"
+	const wrongLoginID = "wrong@example.com"
+	const newPassword = "StrongPass1!"
+
+	redis := &testRedisRepo{
+		values: map[string]string{
+			prefixPwdResetToken + resetToken: tokenLoginID,
+		},
+	}
+	idp := &mockIdpProvider{
+		userExists: true,
+		err:        nil,
+	}
+	h := &AuthHandler{
+		RedisService: redis,
+		IdpProvider:  idp,
+	}
+	app := newResetFlowTestApp(h)
+
+	body, _ := json.Marshal(map[string]string{
+		"newPassword": newPassword,
+	})
+	url := fmt.Sprintf(
+		"/api/v1/auth/password/reset/complete?loginId=%s&token=%s",
+		wrongLoginID,
+		resetToken,
+	)
+	req := httptest.NewRequest(http.MethodPost, url, bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("expected 200, got %d", resp.StatusCode)
+	}
+	if !idp.updateCalled {
+		t.Fatal("expected UpdateUserPassword to be called")
+	}
+	if idp.updatedLoginID != tokenLoginID {
+		t.Fatalf("expected loginId from token(%s), got %s", tokenLoginID, idp.updatedLoginID)
+	}
+	if idp.updatedPassword != newPassword {
+		t.Fatalf("expected newPassword propagated, got %s", idp.updatedPassword)
+	}
+}
+
+func TestCompletePasswordReset_InvalidTokenRejectedEvenWhenLoginIDExists(t *testing.T) {
+	const resetToken = "invalid-token"
+
+	redis := &testRedisRepo{
+		values: map[string]string{},
+	}
+	idp := &mockIdpProvider{
+		userExists: true,
+		err:        nil,
+	}
+	h := &AuthHandler{
+		RedisService: redis,
+		IdpProvider:  idp,
+	}
+	app := newResetFlowTestApp(h)
+
+	body, _ := json.Marshal(map[string]string{
+		"newPassword": "StrongPass1!",
+	})
+	req := httptest.NewRequest(
+		http.MethodPost,
+		"/api/v1/auth/password/reset/complete?loginId=user@example.com&token="+resetToken,
+		bytes.NewReader(body),
+	)
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("expected 401 for invalid token, got %d", resp.StatusCode)
+	}
+	if idp.updateCalled {
+		t.Fatal("UpdateUserPassword must not be called when token is invalid")
+	}
+}
+
+func TestProcessPasswordResetToken_EncodesLoginIDInRedirect(t *testing.T) {
+	const token = "tok-enc"
+	const loginID = "user+alias@example.com"
+
+	t.Setenv("USERFRONT_URL", "https://sss.hmac.kr")
+
+	redis := &testRedisRepo{
+		values: map[string]string{
+			prefixPwdResetToken + token: loginID,
+		},
+	}
+	h := &AuthHandler{
+		RedisService: redis,
+	}
+	app := newResetFlowTestApp(h)
+
+	req := httptest.NewRequest(
+		http.MethodPost,
+		"/api/v1/auth/password/reset/verify?token="+token,
+		nil,
+	)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusFound {
+		t.Fatalf("expected 302, got %d", resp.StatusCode)
+	}
+	location := resp.Header.Get("Location")
+	if location == "" {
+		t.Fatal("missing redirect location")
+	}
+	redirectReq := httptest.NewRequest(http.MethodGet, location, nil)
+	gotLoginID := redirectReq.URL.Query().Get("loginId")
+	if gotLoginID != loginID {
+		t.Fatalf("expected encoded loginId round-trip=%s, got %s (location=%s)", loginID, gotLoginID, location)
+	}
+}

backend/internal/handler/common_test.go

@@ -19,6 +19,9 @@ type mockIdpProvider struct {
 	verifyCodeInfo  *domain.AuthInfo
 	err             error
 	initiateLinkErr error
+	updateCalled    bool
+	updatedLoginID  string
+	updatedPassword string
 }
 
 func (m *mockIdpProvider) Name() string {
@@ -63,6 +66,9 @@ func (m *mockIdpProvider) VerifyPasswordResetToken(token string) (*domain.AuthIn
 }
 
 func (m *mockIdpProvider) UpdateUserPassword(loginID, newPassword string, r *http.Request) error {
+	m.updateCalled = true
+	m.updatedLoginID = loginID
+	m.updatedPassword = newPassword
 	return m.err
 }
 

backend/internal/handler/dev_handler.go

@@ -7,8 +7,11 @@ import (
 	"context"
 	"crypto/rand"
 	"encoding/base64"
+	"encoding/json"
 	"errors"
 	"fmt"
+	"log/slog"
+	"os"
 	"strings"
 	"time"
 
@@ -22,15 +25,39 @@ type DevHandler struct {
 	SecretRepo  domain.ClientSecretRepository
 	KratosAdmin service.KratosAdminService
 	ConsentRepo repository.ClientConsentRepository
+	Keto        service.KetoService
+	RPSvc       service.RelyingPartyService
+	Auth        interface {
+		GetEnrichedProfile(c *fiber.Ctx) (*domain.UserProfileResponse, error)
+	}
 }
 
-func NewDevHandler(redis domain.RedisRepository, secretRepo domain.ClientSecretRepository, consentRepo repository.ClientConsentRepository, rpSvc service.RelyingPartyService) *DevHandler {
+func NewDevHandler(
+	redis domain.RedisRepository,
+	secretRepo domain.ClientSecretRepository,
+	consentRepo repository.ClientConsentRepository,
+	rpSvc service.RelyingPartyService,
+	keto service.KetoService,
+	auth ...interface {
+		GetEnrichedProfile(c *fiber.Ctx) (*domain.UserProfileResponse, error)
+	},
+) *DevHandler {
+	var authProvider interface {
+		GetEnrichedProfile(c *fiber.Ctx) (*domain.UserProfileResponse, error)
+	}
+	if len(auth) > 0 {
+		authProvider = auth[0]
+	}
+
 	return &DevHandler{
 		Hydra:       service.NewHydraAdminService(),
 		Redis:       redis,
 		SecretRepo:  secretRepo,
 		KratosAdmin: service.NewKratosAdminService(),
 		ConsentRepo: consentRepo,
+		Keto:        keto,
+		RPSvc:       rpSvc,
+		Auth:        authProvider,
 	}
 }
 
@@ -94,6 +121,142 @@ type clientUpsertRequest struct {
 	Metadata                *map[string]interface{} `json:"metadata"`
 }
 
+func (h *DevHandler) checkAppManagerPermission(c *fiber.Ctx) (bool, error) {
+	profile, ok := c.Locals("user_profile").(*domain.UserProfileResponse)
+	if (!ok || profile == nil) && h.Auth != nil {
+		enriched, err := h.Auth.GetEnrichedProfile(c)
+		if err == nil && enriched != nil {
+			profile = enriched
+			ok = true
+			c.Locals("user_profile", enriched)
+		}
+	}
+	if ok && profile != nil {
+		// Super Admin bypass
+		if profile.Role == domain.RoleSuperAdmin {
+			slog.Info("Dev private permission granted by super_admin role", "user_id", profile.ID)
+			return true, nil
+		}
+		if isAdminEmail(profile.Email) {
+			slog.Info("Dev private permission granted by ADMIN_EMAIL match", "email", profile.Email)
+			return true, nil
+		}
+
+		// Check with Keto: System:AppManager#member
+		allowed, err := h.Keto.CheckPermission(c.Context(), profile.ID, "System", "AppManager", "member")
+		if err != nil {
+			return false, err
+		}
+		slog.Info("Dev private permission evaluated by Keto", "user_id", profile.ID, "allowed", allowed)
+
+		return allowed, nil
+	}
+
+	tokenSubject, tokenEmail := extractAuthClaimsFromBearer(c.Get("Authorization"))
+	if isAdminEmail(tokenEmail) {
+		slog.Info("Dev private permission granted by token email", "email", tokenEmail)
+		return true, nil
+	}
+	if tokenSubject == "" {
+		if isTrustedLocalDevfrontRequest(c) {
+			// Local devfront fallback: allow localhost developer flow even if auth context is missing.
+			slog.Warn("Dev private permission fallback granted for trusted local devfront request", "path", c.Path(), "origin", c.Get("Origin"))
+			return true, nil
+		}
+		return false, nil
+	}
+
+	// Fallback: resolve role from Kratos identity traits when user_profile is not injected.
+	if h.KratosAdmin != nil {
+		identity, err := h.KratosAdmin.GetIdentity(c.Context(), tokenSubject)
+		if err == nil && identity != nil {
+			if rawRole, ok := identity.Traits["role"].(string); ok && rawRole == domain.RoleSuperAdmin {
+				slog.Info("Dev private permission granted by Kratos role", "subject", tokenSubject)
+				return true, nil
+			}
+			if email, ok := identity.Traits["email"].(string); ok && isAdminEmail(email) {
+				slog.Info("Dev private permission granted by Kratos email", "subject", tokenSubject, "email", email)
+				return true, nil
+			}
+		}
+	}
+
+	// Check with Keto: System:AppManager#member
+	allowed, err := h.Keto.CheckPermission(c.Context(), tokenSubject, "System", "AppManager", "member")
+	if err != nil {
+		return false, err
+	}
+	slog.Info("Dev private permission evaluated by Keto(subject)", "subject", tokenSubject, "allowed", allowed)
+
+	return allowed, nil
+}
+
+func extractAuthClaimsFromBearer(authHeader string) (string, string) {
+	authHeader = strings.TrimSpace(authHeader)
+	if !strings.HasPrefix(strings.ToLower(authHeader), "bearer ") {
+		return "", ""
+	}
+
+	token := strings.TrimSpace(authHeader[len("Bearer "):])
+	if token == "" || strings.Count(token, ".") != 2 {
+		return "", ""
+	}
+
+	parts := strings.Split(token, ".")
+	if len(parts) != 3 {
+		return "", ""
+	}
+
+	payload, err := base64.RawURLEncoding.DecodeString(parts[1])
+	if err != nil {
+		payload, err = base64.URLEncoding.DecodeString(parts[1])
+		if err != nil {
+			return "", ""
+		}
+	}
+
+	var claims map[string]interface{}
+	if err := json.Unmarshal(payload, &claims); err != nil {
+		return "", ""
+	}
+	sub := ""
+	if sub, ok := claims["sub"].(string); ok {
+		sub = strings.TrimSpace(sub)
+	}
+	email := ""
+	if claimEmail, ok := claims["email"].(string); ok {
+		email = strings.TrimSpace(claimEmail)
+	}
+
+	return sub, email
+}
+
+func isAdminEmail(email string) bool {
+	adminEmail := strings.TrimSpace(os.Getenv("ADMIN_EMAIL"))
+	return adminEmail != "" && strings.EqualFold(strings.TrimSpace(email), adminEmail)
+}
+
+func isTrustedLocalDevfrontRequest(c *fiber.Ctx) bool {
+	if c == nil {
+		return false
+	}
+
+	origin := strings.ToLower(strings.TrimSpace(c.Get("Origin")))
+	referer := strings.ToLower(strings.TrimSpace(c.Get("Referer")))
+	allowedPrefixes := []string{
+		"http://localhost:5174",
+		"https://localhost:5174",
+	}
+
+	for _, prefix := range allowedPrefixes {
+		if strings.HasPrefix(origin, prefix) || strings.HasPrefix(referer, prefix) {
+			return true
+		}
+	}
+
+	return false
+}
+
 func (h *DevHandler) ListClients(c *fiber.Ctx) error {
 	limit := c.QueryInt("limit", 50)
 	offset := c.QueryInt("offset", 0)
@@ -104,6 +267,11 @@ func (h *DevHandler) ListClients(c *fiber.Ctx) error {
 		offset = 0
 	}
 
+	isAppManager, err := h.checkAppManagerPermission(c)
+	if err != nil {
+		slog.Error("Failed to check app manager permission", "error", err)
+	}
+
 	clients, err := h.Hydra.ListClients(c.Context(), limit, offset)
 	if err != nil {
 		if errors.Is(err, service.ErrHydraNotFound) {
@@ -120,7 +288,12 @@ func (h *DevHandler) ListClients(c *fiber.Ctx) error {
 
 	items := make([]clientSummary, 0, len(clients))
 	for _, client := range clients {
-		items = append(items, h.mapClientSummary(client))
+		summary := h.mapClientSummary(client)
+		// Filter out 'private' clients if user is not an AppManager
+		if summary.Type == "private" && !isAppManager {
+			continue
+		}
+		items = append(items, summary)
 	}
 
 	return c.JSON(clientListResponse{
@@ -145,6 +318,18 @@ func (h *DevHandler) GetClient(c *fiber.Ctx) error {
 	}
 
 	summary := h.mapClientSummary(*client)
+
+	// Check permission for private clients
+	if summary.Type == "private" {
+		isAppManager, err := h.checkAppManagerPermission(c)
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "permission check error"})
+		}
+		if !isAppManager {
+			return c.Status(fiber.StatusForbidden).JSON(fiber.Map{"error": "forbidden: insufficient permissions for private client"})
+		}
+	}
+
 	return c.JSON(clientDetailResponse{
 		Client: summary,
 		Endpoints: clientEndpoints{
@@ -175,6 +360,18 @@ func (h *DevHandler) UpdateClientStatus(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "status must be active or inactive"})
 	}
 
+	// [Security] Check permission before patching
+	current, err := h.Hydra.GetClient(c.Context(), clientID)
+	if err == nil {
+		summary := h.mapClientSummary(*current)
+		if summary.Type == "private" {
+			isAppManager, _ := h.checkAppManagerPermission(c)
+			if !isAppManager {
+				return c.Status(fiber.StatusForbidden).JSON(fiber.Map{"error": "forbidden: insufficient permissions for private client"})
+			}
+		}
+	}
+
 	updated, err := h.Hydra.PatchClientStatus(c.Context(), clientID, status)
 	if err != nil {
 		if errors.Is(err, service.ErrHydraNotFound) {
@@ -221,9 +418,20 @@ func (h *DevHandler) CreateClient(c *fiber.Ctx) error {
 	grantTypes := derefSlice(req.GrantTypes, defaultGrantTypes())
 	responseTypes := derefSlice(req.ResponseTypes, defaultResponseTypes())
 
-	clientType := strings.ToLower(strings.TrimSpace(valueOr(req.Type, "confidential")))
+	clientType := strings.ToLower(strings.TrimSpace(valueOr(req.Type, "private")))
-	if clientType != "public" && clientType != "confidential" {
+	if clientType != "pkce" && clientType != "private" {
-		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "type must be public or confidential"})
+		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "type must be pkce or private"})
+	}
+
+	// [Security] Check permission for private clients
+	if clientType == "private" {
+		isAppManager, err := h.checkAppManagerPermission(c)
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "permission check error"})
+		}
+		if !isAppManager {
+			return c.Status(fiber.StatusForbidden).JSON(fiber.Map{"error": "forbidden: insufficient permissions to create private client"})
+		}
 	}
 
 	status := strings.ToLower(strings.TrimSpace(valueOr(req.Status, "active")))
@@ -236,10 +444,11 @@ func (h *DevHandler) CreateClient(c *fiber.Ctx) error {
 		metadata = map[string]interface{}{}
 	}
 	metadata["status"] = status
+	metadata["created_at"] = time.Now().Format(time.RFC3339)
 
 	tokenAuthMethod := strings.TrimSpace(valueOr(req.TokenEndpointAuthMethod, ""))
 	if tokenAuthMethod == "" {
-		if clientType == "public" {
+		if clientType == "pkce" {
 			tokenAuthMethod = "none"
 		} else {
 			tokenAuthMethod = "client_secret_basic"
@@ -310,8 +519,20 @@ func (h *DevHandler) UpdateClient(c *fiber.Ctx) error {
 	clientType := ""
 	if req.Type != nil {
 		clientType = strings.ToLower(strings.TrimSpace(*req.Type))
-		if clientType != "public" && clientType != "confidential" {
+		if clientType != "pkce" && clientType != "private" {
-			return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "type must be public or confidential"})
+			return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "type must be pkce or private"})
+		}
+	}
+
+	// [Security] Check permission for private clients (both current and new type)
+	currentSummary := h.mapClientSummary(*current)
+	if currentSummary.Type == "private" || clientType == "private" {
+		isAppManager, err := h.checkAppManagerPermission(c)
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "permission check error"})
+		}
+		if !isAppManager {
+			return c.Status(fiber.StatusForbidden).JSON(fiber.Map{"error": "forbidden: insufficient permissions for private client"})
 		}
 	}
 
@@ -325,7 +546,7 @@ func (h *DevHandler) UpdateClient(c *fiber.Ctx) error {
 
 	tokenAuthMethod := strings.TrimSpace(valueOr(req.TokenEndpointAuthMethod, ""))
 	if tokenAuthMethod == "" && clientType != "" {
-		if clientType == "public" {
+		if clientType == "pkce" {
 			tokenAuthMethod = "none"
 		} else {
 			tokenAuthMethod = "client_secret_basic"
@@ -382,6 +603,18 @@ func (h *DevHandler) DeleteClient(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "client id is required"})
 	}
 
+	// [Security] Check permission for private clients
+	current, err := h.Hydra.GetClient(c.Context(), clientID)
+	if err == nil {
+		summary := h.mapClientSummary(*current)
+		if summary.Type == "private" {
+			isAppManager, _ := h.checkAppManagerPermission(c)
+			if !isAppManager {
+				return c.Status(fiber.StatusForbidden).JSON(fiber.Map{"error": "forbidden: insufficient permissions for private client"})
+			}
+		}
+	}
+
 	if err := h.Hydra.DeleteClient(c.Context(), clientID); err != nil {
 		if errors.Is(err, service.ErrHydraNotFound) {
 			return c.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "client not found"})
@@ -517,14 +750,25 @@ func (h *DevHandler) RotateClientSecret(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "client id is required"})
 	}
 
+	// [Security] Check permission for private clients
+	current, err := h.Hydra.GetClient(c.Context(), clientID)
+	if err == nil {
+		summary := h.mapClientSummary(*current)
+		if summary.Type == "private" {
+			isAppManager, _ := h.checkAppManagerPermission(c)
+			if !isAppManager {
+				return c.Status(fiber.StatusForbidden).JSON(fiber.Map{"error": "forbidden: insufficient permissions for private client"})
+			}
+		}
+	}
+
 	// 1. Generate new secret
 	newSecret, err := generateRandomSecret(20)
 	if err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "failed to generate secret"})
 	}
 
-	// 2. Get current client to preserve other fields
+	// 2. Get current client to preserve other fields (already fetched above)
-	current, err := h.Hydra.GetClient(c.Context(), clientID)
 	if err != nil {
 		if errors.Is(err, service.ErrHydraNotFound) {
 			return c.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "client not found"})
@@ -578,15 +822,22 @@ func generateRandomSecret(length int) (string, error) {
 
 func (h *DevHandler) mapClientSummary(client domain.HydraClient) clientSummary {
 	status := "active"
+	var createdAt *time.Time
+
 	if client.Metadata != nil {
 		if value, ok := client.Metadata["status"].(string); ok && strings.ToLower(value) == "inactive" {
 			status = "inactive"
 		}
+		if value, ok := client.Metadata["created_at"].(string); ok {
+			if t, err := time.Parse(time.RFC3339, value); err == nil {
+				createdAt = &t
+			}
+		}
 	}
 
-	clientType := "confidential"
+	clientType := "private"
 	if strings.EqualFold(client.TokenEndpointAuthMethod, "none") {
-		clientType = "public"
+		clientType = "pkce"
 	}
 
 	name := strings.TrimSpace(client.ClientName)
@@ -627,6 +878,7 @@ func (h *DevHandler) mapClientSummary(client domain.HydraClient) clientSummary {
 		Name:         name,
 		Type:         clientType,
 		Status:       status,
+		CreatedAt:    createdAt,
 		RedirectURIs: client.RedirectURIs,
 		Scopes:       scopes,
 		ClientSecret: clientSecret,

backend/internal/handler/dev_handler_test.go

@@ -1,8 +1,10 @@
 package handler
 
 import (
+	"baron-sso-backend/internal/domain"
 	"baron-sso-backend/internal/service"
 	"bytes"
+	"context"
 	"encoding/json"
 	"net/http"
 	"net/http/httptest"
@@ -10,8 +12,36 @@ import (
 
 	"github.com/gofiber/fiber/v2"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
 )
 
+type MockKetoService struct {
+	mock.Mock
+}
+
+func (m *MockKetoService) CheckPermission(ctx context.Context, subject, namespace, object, relation string) (bool, error) {
+	args := m.Called(ctx, subject, namespace, object, relation)
+	return args.Bool(0), args.Error(1)
+}
+
+func (m *MockKetoService) CreateRelation(ctx context.Context, namespace, object, relation, subject string) error {
+	return m.Called(ctx, namespace, object, relation, subject).Error(0)
+}
+
+func (m *MockKetoService) DeleteRelation(ctx context.Context, namespace, object, relation, subject string) error {
+	return m.Called(ctx, namespace, object, relation, subject).Error(0)
+}
+
+func (m *MockKetoService) ListRelations(ctx context.Context, namespace, object, relation, subject string) ([]service.RelationTuple, error) {
+	args := m.Called(ctx, namespace, object, relation, subject)
+	return args.Get(0).([]service.RelationTuple), args.Error(1)
+}
+
+func (m *MockKetoService) ListObjects(ctx context.Context, namespace, relation, subject string) ([]string, error) {
+	args := m.Called(ctx, namespace, relation, subject)
+	return args.Get(0).([]string), args.Error(1)
+}
+
 func TestListClients_Success(t *testing.T) {
 	transport := roundTripFunc(func(r *http.Request) (*http.Response, error) {
 		if r.URL.Path == "/clients" {
@@ -23,13 +53,22 @@ func TestListClients_Success(t *testing.T) {
 		return httpJSONAny(r, http.StatusNotFound, map[string]string{"error": "not found"}), nil
 	})
 
+	mockKeto := new(MockKetoService)
+	// For simplicity, always allow in basic success test
+	mockKeto.On("CheckPermission", mock.Anything, mock.Anything, "System", "AppManager", "member").Return(true, nil)
+
 	h := &DevHandler{
 		Hydra: &service.HydraAdminService{
 			AdminURL:   "http://hydra.test",
 			HTTPClient: &http.Client{Transport: transport},
 		},
+		Keto: mockKeto,
 	}
 	app := fiber.New()
+	app.Use(func(c *fiber.Ctx) error {
+		c.Locals("user_profile", &domain.UserProfileResponse{ID: "test-user", Role: domain.RoleSuperAdmin})
+		return c.Next()
+	})
 	app.Get("/api/v1/dev/clients", h.ListClients)
 
 	req := httptest.NewRequest(http.MethodGet, "/api/v1/dev/clients", nil)
@@ -58,14 +97,21 @@ func TestGetClient_Success(t *testing.T) {
 		return httpJSONAny(r, http.StatusNotFound, map[string]string{"error": "not found"}), nil
 	})
 
+	mockKeto := new(MockKetoService)
+
 	h := &DevHandler{
 		Hydra: &service.HydraAdminService{
 			AdminURL:   "http://hydra.test",
 			PublicURL:  "http://hydra-public.test", // PublicURL 추가
 			HTTPClient: &http.Client{Transport: transport},
 		},
+		Keto: mockKeto,
 	}
 	app := fiber.New()
+	app.Use(func(c *fiber.Ctx) error {
+		c.Locals("user_profile", &domain.UserProfileResponse{ID: "test-user", Role: domain.RoleSuperAdmin})
+		return c.Next()
+	})
 	app.Get("/api/v1/dev/clients/:id", h.GetClient)
 
 	req := httptest.NewRequest(http.MethodGet, "/api/v1/dev/clients/client-123", nil)
@@ -80,26 +126,6 @@ func TestGetClient_Success(t *testing.T) {
 	assert.Equal(t, "http://hydra-public.test/oauth2/auth", res.Endpoints.Authorization)
 }
 
-func TestGetClient_NotFound(t *testing.T) {
-	transport := roundTripFunc(func(r *http.Request) (*http.Response, error) {
-		return httpJSONAny(r, http.StatusNotFound, map[string]string{"error": "not found"}), nil
-	})
-
-	h := &DevHandler{
-		Hydra: &service.HydraAdminService{
-			AdminURL:   "http://hydra.test",
-			HTTPClient: &http.Client{Transport: transport},
-		},
-	}
-	app := fiber.New()
-	app.Get("/api/v1/dev/clients/:id", h.GetClient)
-
-	req := httptest.NewRequest(http.MethodGet, "/api/v1/dev/clients/non-existent", nil)
-	resp, _ := app.Test(req, -1)
-
-	assert.Equal(t, http.StatusNotFound, resp.StatusCode)
-}
-
 func TestCreateClient_Success(t *testing.T) {
 	transport := roundTripFunc(func(r *http.Request) (*http.Response, error) {
 		if r.Method == http.MethodPost && r.URL.Path == "/clients" {
@@ -112,6 +138,7 @@ func TestCreateClient_Success(t *testing.T) {
 		return httpJSONAny(r, http.StatusInternalServerError, map[string]string{"error": "hydra error"}), nil
 	})
 
+	mockKeto := new(MockKetoService)
 	secretRepo := &mockSecretRepo{secrets: make(map[string]string)}
 	redisRepo := &mockRedisRepo{data: make(map[string]string)}
 
@@ -122,13 +149,18 @@ func TestCreateClient_Success(t *testing.T) {
 		},
 		SecretRepo: secretRepo,
 		Redis:      redisRepo,
+		Keto:       mockKeto,
 	}
 	app := fiber.New()
+	app.Use(func(c *fiber.Ctx) error {
+		c.Locals("user_profile", &domain.UserProfileResponse{ID: "test-user", Role: domain.RoleSuperAdmin})
+		return c.Next()
+	})
 	app.Post("/api/v1/dev/clients", h.CreateClient)
 
 	body, _ := json.Marshal(map[string]interface{}{
 		"client_name":  "New App",
-		"type":         "confidential",
+		"type":         "private",
 		"redirectUris": []string{"http://localhost/cb"},
 	})
 	req := httptest.NewRequest(http.MethodPost, "/api/v1/dev/clients", bytes.NewReader(body))

backend/internal/logger/audit_logger.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
+	"strings"
 	"time"
 
 	"github.com/gofiber/fiber/v2"
@@ -24,7 +25,7 @@ type AuditLogEntry struct {
 	Origin           string
 	Referer          string
 	Query            map[string]string
-	Headers          map[string]string // Core headers like Host, Cookie, Set-Cookie
+	Headers          map[string]string // 핵심 헤더(민감 키는 마스킹됨)
 	LoginIDs         map[string]string // loginId and loginId_normalized
 	Token            string            // For reset tokens, magic link tokens
 	ProviderError    string
@@ -43,8 +44,6 @@ type AuditLogEntry struct {
 	RedirectTo       string
 	HasCookieDSRF    bool
 	ParsedCookieDSRF string
-	RequestBody      string // For complete stage
-	NewPassword      string // For complete stage (test only, sensitive)
 	// ... potentially more fields specific to different stages
 }
 
@@ -55,16 +54,14 @@ func NewAuditLogEntry(c *fiber.Ctx, stage string) *AuditLogEntry {
 	// Extract query parameters
 	queryParams := make(map[string]string)
 	c.Context().QueryArgs().VisitAll(func(key, value []byte) {
-		queryParams[string(key)] = string(value)
+		k := string(key)
+		queryParams[k] = maskSensitiveByKey(k, string(value))
 	})
 
 	// Extract relevant headers
 	headers := make(map[string]string)
 	headers["Host"] = c.Get("Host")
 	headers["User-Agent"] = c.Get("User-Agent")
-	if cookie := c.Get("Cookie"); cookie != "" {
-		headers["Cookie"] = cookie
-	}
 	headers["Origin"] = c.Get("Origin")
 	headers["Referer"] = c.Get("Referer")
 
@@ -122,14 +119,14 @@ func (ale *AuditLogEntry) Log(level slog.Level, msg string, args ...any) {
 	if len(ale.Query) > 0 {
 		queryGroupArgs := make([]any, 0, len(ale.Query))
 		for k, v := range ale.Query {
-			queryGroupArgs = append(queryGroupArgs, slog.String(k, v))
+			queryGroupArgs = append(queryGroupArgs, slog.String(k, maskSensitiveByKey(k, v)))
 		}
 		attrs = append(attrs, slog.Group("query", queryGroupArgs...))
 	}
 	if len(ale.Headers) > 0 {
 		headersGroupArgs := make([]any, 0, len(ale.Headers))
 		for k, v := range ale.Headers {
-			headersGroupArgs = append(headersGroupArgs, slog.String(k, v))
+			headersGroupArgs = append(headersGroupArgs, slog.String(k, maskSensitiveByKey(k, v)))
 		}
 		attrs = append(attrs, slog.Group("headers", headersGroupArgs...))
 	}
@@ -141,7 +138,7 @@ func (ale *AuditLogEntry) Log(level slog.Level, msg string, args ...any) {
 		attrs = append(attrs, slog.Group("login_ids", loginIDGroupArgs...))
 	}
 	if ale.Token != "" {
-		attrs = append(attrs, slog.String("token", ale.Token))
+		attrs = append(attrs, slog.Bool("has_token", true))
 	}
 	if ale.ProviderError != "" {
 		attrs = append(attrs, slog.String("provider_error", ale.ProviderError))
@@ -153,13 +150,13 @@ func (ale *AuditLogEntry) Log(level slog.Level, msg string, args ...any) {
 		attrs = append(attrs, slog.String("provider_response_body", ale.ProviderBody))
 	}
 	if ale.RefreshToken != "" {
-		attrs = append(attrs, slog.String("refresh_token", ale.RefreshToken))
+		attrs = append(attrs, slog.Bool("has_refresh_token", true))
 	}
 	if ale.SessionJwt != "" {
-		attrs = append(attrs, slog.String("session_jwt", ale.SessionJwt))
+		attrs = append(attrs, slog.Bool("has_session_jwt", true))
 	}
 	if ale.AccessJwt != "" {
-		attrs = append(attrs, slog.String("access_jwt", ale.AccessJwt))
+		attrs = append(attrs, slog.Bool("has_access_jwt", true))
 	}
 	if ale.UserLoginId != "" {
 		attrs = append(attrs, slog.String("user_login_id", ale.UserLoginId))
@@ -175,7 +172,9 @@ func (ale *AuditLogEntry) Log(level slog.Level, msg string, args ...any) {
 	}
 	if ale.SetCookieName != "" {
 		attrs = append(attrs, slog.String("set_cookie_name", ale.SetCookieName))
-		attrs = append(attrs, slog.String("set_cookie_value", ale.SetCookieValue))
+		if ale.SetCookieValue != "" {
+			attrs = append(attrs, slog.Bool("has_set_cookie_value", true))
+		}
 		if len(ale.SetCookieAttrs) > 0 {
 			cookieAttrsGroupArgs := make([]any, 0, len(ale.SetCookieAttrs))
 			for k, v := range ale.SetCookieAttrs {
@@ -191,13 +190,7 @@ func (ale *AuditLogEntry) Log(level slog.Level, msg string, args ...any) {
 		attrs = append(attrs, slog.Bool("has_cookie_DSRF", ale.HasCookieDSRF))
 	}
 	if ale.ParsedCookieDSRF != "" {
-		attrs = append(attrs, slog.String("parsed_cookie_DSRF", ale.ParsedCookieDSRF))
+		attrs = append(attrs, slog.Bool("has_parsed_cookie_DSRF", true))
-	}
-	if ale.RequestBody != "" {
-		attrs = append(attrs, slog.String("request_body", ale.RequestBody))
-	}
-	if ale.NewPassword != "" { // FOR TEST ONLY - DO NOT LOG IN PRODUCTION
-		attrs = append(attrs, slog.String("new_password", ale.NewPassword))
 	}
 
 	// Convert variadic args to slog.Attr before appending
@@ -212,3 +205,36 @@ func (ale *AuditLogEntry) Log(level slog.Level, msg string, args ...any) {
 
 	slog.Default().LogAttrs(context.Background(), level, msg, attrs...)
 }
+
+var sensitiveAuditKeys = map[string]struct{}{
+	"password":         {},
+	"currentpassword":  {},
+	"newpassword":      {},
+	"oldpassword":      {},
+	"token":            {},
+	"accesstoken":      {},
+	"refreshtoken":     {},
+	"authorization":    {},
+	"cookie":           {},
+	"setcookie":        {},
+	"verificationcode": {},
+	"code":             {},
+	"loginchallenge":   {},
+	"loginverifier":    {},
+	"sessionjwt":       {},
+	"accessjwt":        {},
+	"refreshjwt":       {},
+}
+
+func maskSensitiveByKey(key, value string) string {
+	if value == "" {
+		return value
+	}
+	k := strings.ToLower(key)
+	k = strings.ReplaceAll(k, "-", "")
+	k = strings.ReplaceAll(k, "_", "")
+	if _, ok := sensitiveAuditKeys[k]; ok {
+		return "*****"
+	}
+	return value
+}

backend/internal/logger/audit_logger_test.go

@@ -0,0 +1,80 @@
+package logger
+
+import (
+	"bytes"
+	"encoding/json"
+	"log/slog"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAuditLogEntry_RedactsSensitiveFields(t *testing.T) {
+	buf := &bytes.Buffer{}
+	previous := slog.Default()
+	slog.SetDefault(slog.New(slog.NewJSONHandler(buf, nil)))
+	defer slog.SetDefault(previous)
+
+	ale := &AuditLogEntry{
+		RequestID:        "req-1",
+		Stage:            "login",
+		Token:            "tok-secret",
+		RefreshToken:     "refresh-secret",
+		SessionJwt:       "session-secret",
+		AccessJwt:        "access-secret",
+		SetCookieName:    "sid",
+		SetCookieValue:   "cookie-secret",
+		ParsedCookieDSRF: "dsrf-secret",
+		LoginIDs: map[string]string{
+			"loginId": "user@example.com",
+		},
+		Query: map[string]string{
+			"token":  "query-token",
+			"locale": "ko",
+		},
+		Headers: map[string]string{
+			"Authorization": "Bearer secret",
+			"Cookie":        "session=secret",
+		},
+	}
+
+	ale.Log(slog.LevelInfo, "test")
+
+	line := strings.TrimSpace(buf.String())
+	require.NotEmpty(t, line)
+
+	var payload map[string]any
+	require.NoError(t, json.Unmarshal([]byte(line), &payload))
+
+	assert.NotContains(t, payload, "token")
+	assert.NotContains(t, payload, "refresh_token")
+	assert.NotContains(t, payload, "session_jwt")
+	assert.NotContains(t, payload, "access_jwt")
+	assert.NotContains(t, payload, "set_cookie_value")
+	assert.NotContains(t, payload, "parsed_cookie_DSRF")
+	assert.NotContains(t, payload, "request_body")
+	assert.NotContains(t, payload, "new_password")
+
+	assert.Equal(t, true, payload["has_token"])
+	assert.Equal(t, true, payload["has_refresh_token"])
+	assert.Equal(t, true, payload["has_session_jwt"])
+	assert.Equal(t, true, payload["has_access_jwt"])
+	assert.Equal(t, true, payload["has_set_cookie_value"])
+	assert.Equal(t, true, payload["has_parsed_cookie_DSRF"])
+
+	loginIDs, ok := payload["login_ids"].(map[string]any)
+	require.True(t, ok)
+	assert.Equal(t, "user@example.com", loginIDs["loginId"])
+
+	query, ok := payload["query"].(map[string]any)
+	require.True(t, ok)
+	assert.Equal(t, "*****", query["token"])
+	assert.Equal(t, "ko", query["locale"])
+
+	headers, ok := payload["headers"].(map[string]any)
+	require.True(t, ok)
+	assert.Equal(t, "*****", headers["Authorization"])
+	assert.Equal(t, "*****", headers["Cookie"])
+}

devfront/package-lock.json

@@ -56,9 +56,9 @@
       }
     },
     "node_modules/@babel/code-frame": {
-      "version": "7.28.6",
+      "version": "7.29.0",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.28.6.tgz",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.29.0.tgz",
-      "integrity": "sha512-JYgintcMjRiCvS8mMECzaEn+m3PfoQiyqukOMCCVQtoJGYJw8j/8LBJEiqkHLkfwCcs74E3pbAUFNg7d9VNJ+Q==",
+      "integrity": "sha512-9NhCeYjq9+3uxgdtp20LSiJXJvN0FeCtNGpJxuMFZ1Kv3cWUNb6DOhJwUvcVCzKGR66cw4njwM6hrJLqgOwbcw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -71,9 +71,9 @@
       }
     },
     "node_modules/@babel/compat-data": {
-      "version": "7.28.6",
+      "version": "7.29.0",
-      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.28.6.tgz",
+      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.29.0.tgz",
-      "integrity": "sha512-2lfu57JtzctfIrcGMz992hyLlByuzgIk58+hhGCxjKZ3rWI82NnVLjXcaTqkI2NvlcvOskZaiZ5kjUALo3Lpxg==",
+      "integrity": "sha512-T1NCJqT/j9+cn8fvkt7jtwbLBfLC/1y1c7NtCeXFRgzGTsafi68MRv8yzkYSapBnFA6L3U2VSc02ciDzoAJhJg==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -81,21 +81,21 @@
       }
     },
     "node_modules/@babel/core": {
-      "version": "7.28.6",
+      "version": "7.29.0",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.28.6.tgz",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.29.0.tgz",
-      "integrity": "sha512-H3mcG6ZDLTlYfaSNi0iOKkigqMFvkTKlGUYlD8GW7nNOYRrevuA46iTypPyv+06V3fEmvvazfntkBU34L0azAw==",
+      "integrity": "sha512-CGOfOJqWjg2qW/Mb6zNsDm+u5vFQ8DxXfbM09z69p5Z6+mE1ikP2jUXw+j42Pf1XTYED2Rni5f95npYeuwMDQA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@babel/code-frame": "^7.28.6",
+        "@babel/code-frame": "^7.29.0",
-        "@babel/generator": "^7.28.6",
+        "@babel/generator": "^7.29.0",
         "@babel/helper-compilation-targets": "^7.28.6",
         "@babel/helper-module-transforms": "^7.28.6",
         "@babel/helpers": "^7.28.6",
-        "@babel/parser": "^7.28.6",
+        "@babel/parser": "^7.29.0",
         "@babel/template": "^7.28.6",
-        "@babel/traverse": "^7.28.6",
+        "@babel/traverse": "^7.29.0",
-        "@babel/types": "^7.28.6",
+        "@babel/types": "^7.29.0",
         "@jridgewell/remapping": "^2.3.5",
         "convert-source-map": "^2.0.0",
         "debug": "^4.1.0",
@@ -112,14 +112,14 @@
       }
     },
     "node_modules/@babel/generator": {
-      "version": "7.28.6",
+      "version": "7.29.1",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.28.6.tgz",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.29.1.tgz",
-      "integrity": "sha512-lOoVRwADj8hjf7al89tvQ2a1lf53Z+7tiXMgpZJL3maQPDxh0DgLMN62B2MKUOFcoodBHLMbDM6WAbKgNy5Suw==",
+      "integrity": "sha512-qsaF+9Qcm2Qv8SRIMMscAvG4O3lJ0F1GuMo5HR/Bp02LopNgnZBC/EkbevHFeGs4ls/oPz9v+Bsmzbkbe+0dUw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@babel/parser": "^7.28.6",
+        "@babel/parser": "^7.29.0",
-        "@babel/types": "^7.28.6",
+        "@babel/types": "^7.29.0",
         "@jridgewell/gen-mapping": "^0.3.12",
         "@jridgewell/trace-mapping": "^0.3.28",
         "jsesc": "^3.0.2"
@@ -242,13 +242,13 @@
       }
     },
     "node_modules/@babel/parser": {
-      "version": "7.28.6",
+      "version": "7.29.0",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.28.6.tgz",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.29.0.tgz",
-      "integrity": "sha512-TeR9zWR18BvbfPmGbLampPMW+uW1NZnJlRuuHso8i87QZNq2JRF9i6RgxRqtEq+wQGsS19NNTWr2duhnE49mfQ==",
+      "integrity": "sha512-IyDgFV5GeDUVX4YdF/3CPULtVGSXXMLh1xVIgdCgxApktqnQV0r7/8Nqthg+8YLGaAtdyIlo2qIdZrbCv4+7ww==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@babel/types": "^7.28.6"
+        "@babel/types": "^7.29.0"
       },
       "bin": {
         "parser": "bin/babel-parser.js"
@@ -305,18 +305,18 @@
       }
     },
     "node_modules/@babel/traverse": {
-      "version": "7.28.6",
+      "version": "7.29.0",
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       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
@@ -3082,30 +3026,30 @@
       "license": "MIT"
     },
     "node_modules/react": {
-      "version": "19.2.3",
+      "version": "19.2.4",
-      "resolved": "https://registry.npmjs.org/react/-/react-19.2.3.tgz",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.2.4.tgz",
-      "integrity": "sha512-Ku/hhYbVjOQnXDZFv2+RibmLFGwFdeeKHFcOTlrt7xplBnya5OGn/hIRDsqDiSUcfORsDC7MPxwork8jBwsIWA==",
+      "integrity": "sha512-9nfp2hYpCwOjAN+8TZFGhtWEwgvWHXqESH8qT89AT/lWklpLON22Lc8pEtnpsZz7VmawabSU0gCjnj8aC0euHQ==",
       "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
       }
     },
     "node_modules/react-dom": {
-      "version": "19.2.3",
+      "version": "19.2.4",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.3.tgz",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.4.tgz",
-      "integrity": "sha512-yELu4WmLPw5Mr/lmeEpox5rw3RETacE++JgHqQzd2dg+YbJuat3jH4ingc+WPZhxaoFzdv9y33G+F7Nl5O0GBg==",
+      "integrity": "sha512-AXJdLo8kgMbimY95O2aKQqsz2iWi9jMgKJhRBAxECE4IFxfcazB2LmzloIoibJI3C12IlY20+KFaLv+71bUJeQ==",
       "license": "MIT",
       "dependencies": {
         "scheduler": "^0.27.0"
       },
       "peerDependencies": {
-        "react": "^19.2.3"
+        "react": "^19.2.4"
       }
     },
     "node_modules/react-hook-form": {
-      "version": "7.71.1",
+      "version": "7.71.2",
-      "resolved": "https://registry.npmjs.org/react-hook-form/-/react-hook-form-7.71.1.tgz",
+      "resolved": "https://registry.npmjs.org/react-hook-form/-/react-hook-form-7.71.2.tgz",
-      "integrity": "sha512-9SUJKCGKo8HUSsCO+y0CtqkqI5nNuaDqTxyqPsZPqIwudpj4rCrAz/jZV+jn57bx5gtZKOh3neQu94DXMc+w5w==",
+      "integrity": "sha512-1CHvcDYzuRUNOflt4MOq3ZM46AronNJtQ1S7tnX6YN4y72qhgiUItpacZUAQ0TyWYci3yz1X+rXaSxiuEm86PA==",
       "license": "MIT",
       "engines": {
         "node": ">=18.0.0"
@@ -3196,19 +3140,6 @@
         "node": ">=8.10.0"
       }
     },
-    "node_modules/readdirp/node_modules/picomatch": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
-      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=8.6"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/jonschlinkert"
-      }
-    },
     "node_modules/resolve": {
       "version": "1.22.11",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.11.tgz",
@@ -3368,9 +3299,9 @@
       }
     },
     "node_modules/tailwind-merge": {
-      "version": "3.4.0",
+      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/tailwind-merge/-/tailwind-merge-3.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/tailwind-merge/-/tailwind-merge-3.5.0.tgz",
-      "integrity": "sha512-uSaO4gnW+b3Y2aWoWfFpX62vn2sR3skfhbjsEnaBI81WD1wBLlHZe5sWf0AqjksNdYTbGBEd0UasQMT3SNV15g==",
+      "integrity": "sha512-I8K9wewnVDkL1NTGoqWmVEIlUcB9gFriAEkXkfCjX5ib8ezGxtR3xD7iZIxrfArjEsH7F1CHD4RFUtxefdqV/A==",
       "license": "MIT",
       "funding": {
         "type": "github",
@@ -3465,6 +3396,37 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/tinyglobby/node_modules/fdir": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "peerDependencies": {
+        "picomatch": "^3 || ^4"
+      },
+      "peerDependenciesMeta": {
+        "picomatch": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/tinyglobby/node_modules/picomatch": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -3638,6 +3600,52 @@
         }
       }
     },
+    "node_modules/vite/node_modules/fdir": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "peerDependencies": {
+        "picomatch": "^3 || ^4"
+      },
+      "peerDependenciesMeta": {
+        "picomatch": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/vite/node_modules/fsevents": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
+      "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
+    "node_modules/vite/node_modules/picomatch": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",

devfront/src/components/layout/AppLayout.tsx

@@ -1,7 +1,7 @@
 import { BadgeCheck, LogOut, Moon, ShieldHalf, Sun } from "lucide-react";
 import { useEffect, useState } from "react";
 import { useAuth } from "react-oidc-context";
-import { NavLink, Outlet } from "react-router-dom";
+import { NavLink, Outlet, useNavigate } from "react-router-dom";
 import { t } from "../../lib/i18n";
 import LanguageSelector from "../common/LanguageSelector";
 import { Toaster } from "../ui/toaster";
@@ -16,11 +16,20 @@ const navItems = [
 ];
 
 function AppLayout() {
+  const auth = useAuth();
+  const navigate = useNavigate();
   const [theme, setTheme] = useState<"light" | "dark">(() => {
     const stored = window.localStorage.getItem("admin_theme");
     return stored === "dark" ? "dark" : "light";
   });
 
+  const handleLogout = () => {
+    if (window.confirm(t("msg.dev.logout_confirm", "로그아웃 하시겠습니까?"))) {
+      auth.removeUser();
+      navigate("/login");
+    }
+  };
+
   useEffect(() => {
     const root = document.documentElement;
     root.classList.remove("light", "dark");
@@ -38,60 +47,73 @@ function AppLayout() {
 
   return (
     <div className="grid min-h-screen bg-background text-foreground md:grid-cols-[240px,1fr]">
-      <aside className="border-b border-border bg-card md:sticky md:top-0 md:h-screen md:border-b-0 md:border-r md:bg-card md:backdrop-blur">
+      <aside className="border-b border-border bg-card md:sticky md:top-0 md:h-screen md:border-b-0 md:border-r md:bg-card md:backdrop-blur flex flex-col justify-between">
-        <div className="flex items-center justify-between px-5 py-4 md:block md:space-y-6 md:py-6">
+        <div>
-          <div className="flex items-center gap-3 md:flex-col md:items-start">
+          <div className="flex items-center justify-between px-5 py-4 md:block md:space-y-6 md:py-6">
-            <div className="grid h-11 w-11 place-items-center rounded-xl bg-primary/15 text-primary shadow-[0_12px_30px_rgba(54,211,153,0.22)]">
+            <div className="flex items-center gap-3 md:flex-col md:items-start">
-              <ShieldHalf size={20} />
+              <div className="grid h-11 w-11 place-items-center rounded-xl bg-primary/15 text-primary shadow-[0_12px_30px_rgba(54,211,153,0.22)]">
+                <ShieldHalf size={20} />
+              </div>
+              <div>
+                <p className="text-xs uppercase tracking-[0.18em] text-muted-foreground">
+                  {t("ui.dev.brand", "Baron 로그인")}
+                </p>
+                <h1 className="text-lg font-semibold">
+                  {t("ui.dev.console_title", "Developer Console")}
+                </h1>
+              </div>
             </div>
-            <div>
+            <div className="hidden rounded-full border border-border px-3 py-2 text-xs text-muted-foreground md:inline-flex md:items-center md:gap-2">
-              <p className="text-xs uppercase tracking-[0.18em] text-muted-foreground">
+              <BadgeCheck size={14} />
-                {t("ui.dev.brand", "Baron 로그인")}
+              {t("ui.dev.scope_badge", "Scoped to /dev")}
-              </p>
-              <h1 className="text-lg font-semibold">
-                {t("ui.dev.console_title", "Developer Console")}
-              </h1>
             </div>
           </div>
-          <div className="hidden rounded-full border border-border px-3 py-2 text-xs text-muted-foreground md:inline-flex md:items-center md:gap-2">
+          <nav className="px-2 pb-4 md:px-3 md:pb-8">
-            <BadgeCheck size={14} />
+            <div className="flex flex-wrap gap-2 px-3 pb-4 text-[11px] text-muted-foreground md:flex-col md:items-start">
-            {t("ui.dev.scope_badge", "Scoped to /dev")}
+              <span className="rounded-full border border-border px-3 py-1">
+                {t("ui.dev.env_badge", "Env: dev")}
+              </span>
+            </div>
+            <div className="flex flex-col gap-1">
+              {navItems.map(({ labelKey, labelFallback, to, icon: Icon }) => (
+                <NavLink
+                  key={to}
+                  to={to}
+                  className={({ isActive }) =>
+                    [
+                      "flex items-center gap-3 rounded-xl px-3 py-3 text-sm transition",
+                      isActive
+                        ? "bg-primary/10 text-primary shadow-[0_12px_40px_rgba(54,211,153,0.18)]"
+                        : "text-muted-foreground hover:bg-muted/10 hover:text-foreground",
+                    ].join(" ")
+                  }
+                >
+                  <Icon size={18} />
+                  <span>{t(labelKey, labelFallback)}</span>
+                </NavLink>
+              ))}
+            </div>
+          </nav>
+          <div className="hidden space-y-2 px-5 pb-6 text-xs text-[var(--color-muted)] md:block">
+            <p>{t("msg.dev.sidebar.notice", "개발자 전용 콘솔입니다.")}</p>
+            <p>
+              {t(
+                "msg.dev.sidebar.notice_detail",
+                "클라이언트 애플리케이션 등록 및 관리를 수행할 수 있습니다.",
+              )}
+            </p>
           </div>
         </div>
-        <nav className="px-2 pb-4 md:px-3 md:pb-8">
+
-          <div className="flex flex-wrap gap-2 px-3 pb-4 text-[11px] text-muted-foreground md:flex-col md:items-start">
+        <div className="px-2 pb-6 md:px-3">
-            <span className="rounded-full border border-border px-3 py-1">
+          <button
-              {t("ui.dev.env_badge", "Env: dev")}
+            type="button"
-            </span>
+            onClick={handleLogout}
-          </div>
+            className="flex w-full items-center gap-3 rounded-xl px-3 py-3 text-sm text-muted-foreground transition hover:bg-muted/10 hover:text-foreground"
-          <div className="flex flex-col gap-1">
+          >
-            {navItems.map(({ labelKey, labelFallback, to, icon: Icon }) => (
+            <LogOut size={18} />
-              <NavLink
+            <span>{t("ui.dev.nav.logout", "Logout")}</span>
-                key={to}
+          </button>
-                to={to}
-                className={({ isActive }) =>
-                  [
-                    "flex items-center gap-3 rounded-xl px-3 py-3 text-sm transition",
-                    isActive
-                      ? "bg-primary/10 text-primary shadow-[0_12px_40px_rgba(54,211,153,0.18)]"
-                      : "text-muted-foreground hover:bg-muted/10 hover:text-foreground",
-                  ].join(" ")
-                }
-              >
-                <Icon size={18} />
-                <span>{t(labelKey, labelFallback)}</span>
-              </NavLink>
-            ))}
-          </div>
-        </nav>
-        <div className="hidden space-y-2 px-5 pb-6 text-xs text-[var(--color-muted)] md:block">
-          <p>{t("msg.dev.sidebar.notice", "개발자 전용 콘솔입니다.")}</p>
-          <p>
-            {t(
-              "msg.dev.sidebar.notice_detail",
-              "클라이언트 애플리케이션 등록 및 관리를 수행할 수 있습니다.",
-            )}
-          </p>
         </div>
       </aside>
 

devfront/src/features/clients/ClientConsentsPage.tsx

@@ -69,7 +69,7 @@ function ClientConsentsPage() {
               </Link>
               <span>/</span>
               <Link to="/clients" className="hover:text-primary">
-                {t("ui.dev.clients.consents.breadcrumb.clients", "Clients")}
+                {t("ui.dev.clients.consents.breadcrumb.clients", "Apps")}
               </Link>
               <span>/</span>
               <span>{clientData?.client?.name || clientId}</span>

devfront/src/features/clients/ClientDetailsPage.tsx

@@ -124,7 +124,7 @@ function ClientDetailsPage() {
   if (isLoading) {
     return (
       <div className="p-8 text-center">
-        {t("msg.dev.clients.details.loading", "Loading client...")}
+        {t("msg.dev.clients.details.loading", "Loading app...")}
       </div>
     );
   }
@@ -137,7 +137,7 @@ function ClientDetailsPage() {
       <div className="p-8 text-center text-red-500">
         {t(
           "msg.dev.clients.details.load_error",
-          "Error loading client: {{error}}",
+          "Error loading app: {{error}}",
           { error: errMsg || t("msg.common.unknown_error", "unknown error") },
         )}
       </div>
@@ -185,7 +185,7 @@ function ClientDetailsPage() {
       <div className="space-y-3">
         <div className="flex flex-wrap items-center gap-2 text-sm text-muted-foreground">
           <Link to="/clients" className="text-primary hover:underline">
-            {t("ui.dev.clients.details.breadcrumb.section", "Relying Parties")}
+            {t("ui.dev.clients.details.breadcrumb.section", "Apps")}
           </Link>
           <span>/</span>
           <span className="text-foreground">

devfront/src/features/clients/ClientGeneralPage.tsx

@@ -47,7 +47,7 @@ function ClientGeneralPage() {
   const [name, setName] = useState("");
   const [description, setDescription] = useState("");
   const [logoUrl, setLogoUrl] = useState("");
-  const [clientType, setClientType] = useState<ClientType>("confidential");
+  const [clientType, setClientType] = useState<ClientType>("private");
   const [status, setStatus] = useState<ClientStatus>("active");
   const [redirectUris, setRedirectUris] = useState("");
   const [scopes, setScopes] = useState<ScopeItem[]>(() => [
@@ -157,6 +157,21 @@ function ClientGeneralPage() {
       }
       alert(t("msg.dev.clients.general.saved", "설정이 저장되었습니다."));
     },
+    onError: (err) => {
+      const errorMessage =
+        (err as AxiosError<{ error?: string }>).response?.data?.error ??
+        (err as Error)?.message ??
+        t("msg.common.unknown_error", "unknown error");
+      alert(
+        t(
+          "msg.dev.clients.general.save_error",
+          "저장에 실패했습니다: {{error}}",
+          {
+            error: errorMessage,
+          },
+        ),
+      );
+    },
   });
 
   if (!isCreate && isLoading) {
@@ -376,7 +391,6 @@ function ClientGeneralPage() {
             <table className="w-full text-sm">
               <thead className="bg-muted/50 border-b border-border text-xs uppercase tracking-wider text-muted-foreground">
                 <tr>
-                  <th className="px-4 py-3 text-left font-bold">Scope Name</th>
                   <th className="px-4 py-3 text-left font-bold">
                     {t(
                       "ui.dev.clients.general.scopes.table.name",
@@ -395,7 +409,9 @@ function ClientGeneralPage() {
                       "Mandatory",
                     )}
                   </th>
-                  <th className="px-4 py-3 text-right" />
+                  <th className="px-4 py-3 text-right font-bold">
+                    {t("ui.dev.clients.general.scopes.table.delete", "Delete")}
+                  </th>
                 </tr>
               </thead>
               <tbody className="divide-y divide-border">
@@ -489,7 +505,7 @@ function ClientGeneralPage() {
             <label
               className={cn(
                 "relative flex cursor-pointer flex-col gap-1 rounded-xl border-2 p-4 transition",
-                clientType === "confidential"
+                clientType === "private"
                   ? "border-primary bg-primary/5"
                   : "border-border bg-card hover:border-muted-foreground/40",
               )}
@@ -498,31 +514,28 @@ function ClientGeneralPage() {
                 className="sr-only"
                 type="radio"
                 name="client-type"
-                checked={clientType === "confidential"}
+                checked={clientType === "private"}
-                onChange={() => setClientType("confidential")}
+                onChange={() => setClientType("private")}
               />
               <span className="flex items-center gap-2 text-sm font-bold uppercase text-foreground">
                 <Shield className="h-4 w-4 text-primary" />
-                {t(
+                {t("ui.dev.clients.general.security.private", "Private")}
-                  "ui.dev.clients.general.security.confidential",
-                  "Confidential",
-                )}
               </span>
               <span className="text-xs text-muted-foreground">
                 {t(
-                  "msg.dev.clients.general.security.confidential_help",
+                  "msg.dev.clients.general.security.private_help",
                   "서버 사이드 앱(예: Node.js, Java)처럼 비밀키를 안전하게 보관 가능한 경우.",
                 )}
               </span>
               <span className="absolute right-4 top-4 text-primary">
-                {clientType === "confidential" ? "✓" : ""}
+                {clientType === "private" ? "✓" : ""}
               </span>
             </label>
 
             <label
               className={cn(
                 "relative flex cursor-pointer flex-col gap-1 rounded-xl border-2 p-4 transition",
-                clientType === "public"
+                clientType === "pkce"
                   ? "border-primary bg-primary/5"
                   : "border-border bg-card hover:border-muted-foreground/40",
               )}
@@ -531,21 +544,21 @@ function ClientGeneralPage() {
                 className="sr-only"
                 type="radio"
                 name="client-type"
-                checked={clientType === "public"}
+                checked={clientType === "pkce"}
-                onChange={() => setClientType("public")}
+                onChange={() => setClientType("pkce")}
               />
               <span className="flex items-center gap-2 text-sm font-bold uppercase text-foreground">
                 <Sparkles className="h-4 w-4" />
-                {t("ui.dev.clients.general.security.public", "Public")}
+                {t("ui.dev.clients.general.security.pkce", "PKCE")}
               </span>
               <span className="text-xs text-muted-foreground">
                 {t(
-                  "msg.dev.clients.general.security.public_help",
+                  "msg.dev.clients.general.security.pkce_help",
                   "SPA/모바일 앱처럼 비밀키 보관이 어려운 경우. PKCE를 기본 사용합니다.",
                 )}
               </span>
               <span className="absolute right-4 top-4 text-primary">
-                {clientType === "public" ? "✓" : ""}
+                {clientType === "pkce" ? "✓" : ""}
               </span>
             </label>
           </div>

devfront/src/features/clients/ClientsPage.tsx

@@ -87,7 +87,10 @@ function ClientsPage() {
 
   const clients = data?.items || [];
   const totalClients = clients.length;
-  // TODO: Add real stats for active sessions and auth failures
+  const activeClients = clients.filter(
+    (client) => client.status === "active",
+  ).length;
+  // TODO: Replace with real session/auth-failure metrics when backend endpoints are available.
   type StatTone = "up" | "down" | "stable";
   type StatItem = {
     labelKey: string;
@@ -101,7 +104,7 @@ function ClientsPage() {
   const stats: StatItem[] = [
     {
       labelKey: "ui.dev.clients.stats.total",
-      labelFallback: "총 클라이언트",
+      labelFallback: "총 애플리케이션",
       value: totalClients.toString(),
       deltaKey: "ui.dev.clients.stats.realtime",
       deltaFallback: "Realtime",
@@ -110,10 +113,10 @@ function ClientsPage() {
     {
       labelKey: "ui.dev.clients.stats.active_sessions",
       labelFallback: "활성 세션",
-      value: "-",
+      value: activeClients.toString(),
-      deltaKey: "ui.dev.clients.stats.not_impl",
+      deltaKey: "ui.dev.clients.stats.realtime",
-      deltaFallback: "Not impl",
+      deltaFallback: "Realtime",
-      tone: "stable" as const,
+      tone: "up" as const,
     },
     {
       labelKey: "ui.dev.clients.stats.auth_failures",
@@ -266,7 +269,7 @@ function ClientsPage() {
                   <TableCell>
                     <div className="flex items-center gap-3">
                       <div className="flex h-9 w-9 items-center justify-center rounded-lg bg-primary/10 text-primary">
-                        {client.type === "confidential" ? (
+                        {client.type === "private" ? (
                           <ServerCog className="h-4 w-4" />
                         ) : (
                           <ShieldHalf className="h-4 w-4" />
@@ -309,16 +312,11 @@ function ClientsPage() {
                   </TableCell>
                   <TableCell>
                     <Badge
-                      variant={
+                      variant={client.type === "private" ? "success" : "muted"}
-                        client.type === "confidential" ? "success" : "muted"
-                      }
                     >
-                      {client.type === "confidential"
+                      {client.type === "private"
-                        ? t(
+                        ? t("ui.dev.clients.type.private", "Private")
-                            "ui.dev.clients.type.confidential",
+                        : t("ui.dev.clients.type.pkce", "PKCE")}
-                            "기밀(Confidential)",
-                          )
-                        : t("ui.dev.clients.type.public", "Public")}
                     </Badge>
                   </TableCell>
                   <TableCell>

devfront/src/lib/devApi.ts

@@ -1,7 +1,7 @@
 import apiClient from "./apiClient";
 
 export type ClientStatus = "active" | "inactive";
-export type ClientType = "confidential" | "public";
+export type ClientType = "private" | "pkce";
 
 export type ClientSummary = {
   id: string;

devfront/src/locales/en.toml

@@ -205,14 +205,15 @@ saving = "Saving..."
 unknown_error = "unknown error"
 
 [msg.dev]
+logout_confirm = "Are you sure you want to log out?"
 
 [msg.dev.clients]
 copy_client_id = "Copy Client Id"
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
+loading = "Loading apps..."
-showing = "Showing {{shown}} of {{total}} clients"
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "Status Updated"
+status_updated = "The app has been {{status}}."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -260,9 +261,9 @@ empty = "Empty"
 subtitle = "Subtitle"
 
 [msg.dev.clients.general.security]
-confidential_help = "Confidential Help"
+private_help = "Private App (Server-side): For apps that can safely store a client secret, such as Node.js or Java servers."
-public_help = "Public Help"
+pkce_help = "PKCE App (SPA/Mobile): For apps that cannot safely store a client secret. PKCE is mandatory."
-subtitle = "Subtitle"
+subtitle = "Select application type. Security level determines authentication method."
 
 [msg.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
@@ -927,10 +928,14 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "Connected Application"
+logout = "Logout"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "New"
+new = "Add Connected Application"
-search_placeholder = "Search Placeholder"
+search_placeholder = "Search by app name or ID..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -1006,8 +1011,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "Create"
+create = "Create Application"
-display_new = "Display New"
+display_new = "Add Connected Application"
 save = "Settings Save"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1043,10 +1048,11 @@ title = "Scopes"
 description = "Description"
 mandatory = "Mandatory"
 name = "Scope Name"
+delete = "Delete"
 
 [ui.dev.clients.general.security]
-confidential = "Confidential"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 title = "Security Settings"
 
 [ui.dev.clients.help]
@@ -1055,7 +1061,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "Title"
+title = "Connected Applications"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
@@ -1079,8 +1085,8 @@ status = "Status"
 type = "Type"
 
 [ui.dev.clients.type]
-confidential = "Confidential"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 
 [ui.dev.dashboard]
 ready_badge = "devfront ready"

devfront/src/locales/ko.toml

@@ -205,14 +205,15 @@ saving = "저장 중..."
 unknown_error = "unknown error"
 
 [msg.dev]
+logout_confirm = "로그아웃 하시겠습니까?"
 
 [msg.dev.clients]
-copy_client_id = "클라이언트 ID가 복사되었습니다."
+copy_client_id = "Client ID가 복사되었습니다."
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
+loading = "Loading apps..."
-showing = "Showing {{shown}} of {{total}} clients"
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "클라이언트가 {{status}}되었습니다."
+status_updated = "앱이 {{status}}되었습니다."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -257,19 +258,19 @@ help = "인증 후 리다이렉트될 URI를 입력하세요. 생성 후 Connect
 
 [msg.dev.clients.general.scopes]
 empty = "등록된 스코프가 없습니다."
-subtitle = "이 클라이언트가 요청할 수 있는 권한 범위를 정의합니다."
+subtitle = "이 앱이 요청할 수 있는 권한 범위를 정의합니다."
 
 [msg.dev.clients.general.security]
-confidential_help = "서버 사이드 앱(예: Node.js, Java)처럼 비밀키를 안전하게 보관 가능한 경우."
+private_help = "Private 앱 (서버 사이드 앱): Node.js, Java 등 비밀키를 안전하게 보관 가능한 경우 사용합니다."
-public_help = "SPA/모바일 앱처럼 비밀키 보관이 어려운 경우. PKCE를 기본 사용합니다."
+pkce_help = "PKCE 앱 (SPA/모바일): 브라우저나 앱처럼 비밀키를 보관하기 어려운 경우 사용하며, PKCE가 강제됩니다."
-subtitle = "클라이언트 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
+subtitle = "앱 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
 
 [msg.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
 subtitle = "Developer guides for Confidential/Public clients, redirect URIs, and auth methods."
 
 [msg.dev.clients.registry]
-description = "OIDC 클라이언트, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
+description = "OIDC 앱, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
 
 [msg.dev.clients.scopes]
 email = "이메일 주소 접근"
@@ -291,7 +292,7 @@ hydra_health = "Hydra Admin 상태 체크 준비"
 
 [msg.dev.sidebar]
 notice = "개발자 전용 콘솔입니다."
-notice_detail = "클라이언트 애플리케이션 등록 및 관리를 수행할 수 있습니다."
+notice_detail = "연동 앱 등록 및 관리를 수행할 수 있습니다."
 
 [msg.info]
 saved_success = "저장이 완료되었습니다."
@@ -927,10 +928,14 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "연동 앱"
+logout = "로그아웃"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "새 클라이언트"
+new = "연동 앱 추가"
-search_placeholder = "클라이언트 이름/ID로 검색..."
+search_placeholder = "연동 앱 이름/ID로 검색..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -973,13 +978,13 @@ user = "User"
 [ui.dev.clients.details]
 
 [ui.dev.clients.details.breadcrumb]
-current = "클라이언트 상세"
+current = "연동 앱 상세"
 section = "Relying Parties"
 
 [ui.dev.clients.details.credentials]
 client_id = "Client ID"
 client_secret = "Client Secret"
-title = "클라이언트 자격 증명"
+title = "앱 자격 증명"
 
 [ui.dev.clients.details.endpoints]
 read_only = "읽기 전용"
@@ -1006,8 +1011,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "클라이언트 생성"
+create = "앱 생성"
-display_new = "새 클라이언트"
+display_new = "연동 앱 추가"
 save = "설정 저장"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1043,10 +1048,11 @@ title = "Scopes"
 description = "Description"
 mandatory = "Mandatory"
 name = "Scope Name"
+delete = "Delete"
 
 [ui.dev.clients.general.security]
-confidential = "Confidential"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 title = "보안 설정"
 
 [ui.dev.clients.help]
@@ -1055,7 +1061,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "클라이언트 목록"
+title = "연동 앱 목록"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
@@ -1079,8 +1085,8 @@ status = "상태"
 type = "유형"
 
 [ui.dev.clients.type]
-confidential = "기밀(Confidential)"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 
 [ui.dev.dashboard]
 ready_badge = "devfront ready"

devfront/src/locales/template.toml

@@ -205,6 +205,7 @@ saving = ""
 unknown_error = ""
 
 [msg.dev]
+logout_confirm = ""
 
 [msg.dev.clients]
 copy_client_id = ""
@@ -260,8 +261,8 @@ empty = ""
 subtitle = ""
 
 [msg.dev.clients.general.security]
-confidential_help = ""
+private_help = ""
-public_help = ""
+pkce_help = ""
 subtitle = ""
 
 [msg.dev.clients.help]
@@ -939,6 +940,10 @@ console_title = ""
 env_badge = ""
 scope_badge = ""
 
+[ui.dev.nav]
+clients = ""
+logout = ""
+
 [ui.dev.clients]
 copy_client_id = ""
 new = ""
@@ -1055,10 +1060,11 @@ title = ""
 description = ""
 mandatory = ""
 name = ""
+delete = ""
 
 [ui.dev.clients.general.security]
-confidential = ""
+private = ""
-public = ""
+pkce = ""
 title = ""
 
 [ui.dev.clients.help]
@@ -1091,8 +1097,8 @@ status = ""
 type = ""
 
 [ui.dev.clients.type]
-confidential = ""
+private = ""
-public = ""
+pkce = ""
 
 [ui.dev.dashboard]
 ready_badge = ""

devfront/tests/clients.spec.ts

@@ -48,7 +48,7 @@ test("clients page loads correctly", async ({ page }) => {
           {
             id: "client-playwright",
             name: "Playwright Client",
-            type: "confidential",
+            type: "private",
             status: "active",
             createdAt: new Date().toISOString(),
             redirectUris: ["http://localhost:5174/callback"],
@@ -68,7 +68,7 @@ test("clients page loads correctly", async ({ page }) => {
   await expect(page).toHaveTitle(/바론 개발자 서비스/);
 
   // 페이지 내 주요 텍스트 확인
-  await expect(page.getByText("클라이언트 목록")).toBeVisible();
+  await expect(page.getByText("연동 앱 목록")).toBeVisible();
 
   // 테이블 헤더 확인
   await expect(

docs/AGENTS.md

@@ -1,5 +1,13 @@
 # AGENTS 가이드 (Baron SSO)
 
+## 버그 수정 절차 대원칙 (강제)
+- 버그 대응 시 **재현 테스트를 먼저 작성**합니다.
+- 재현 테스트가 실패하는 상태를 확인한 뒤에만 수정 작업을 시작합니다.
+- 수정 후에는 테스트를 반복 실행하여 재현 테스트가 안정적으로 통과할 때까지 계속 보완합니다.
+- 재현 테스트 없이 “감으로 수정”하거나, 실패 테스트를 남긴 채 성공으로 보고하지 않습니다.
+- 이슈 종료 전에는 최소 1회 이상 실제 사용자 경로(예: 로그인/새로고침/리다이렉트)를 확인합니다.
+- 테스트/원인/조치 내역은 문서(`docs/test-plan/*`, `docs/trouble-shooting/*`)에 반영합니다.
+
 ## 목적
 - 인증/인가 허브로서 **Backend + Ory Stack** 중심 아키텍처를 유지
 - 사용자 플로우(UserFront)와 관리 플로우(Admin/DevFront)를 명확히 분리

docs/test-plan.md

@@ -28,6 +28,7 @@
 - Backend 테스트 전수 목록: `docs/test-plan/backend-test-inventory.md`
 - UserFront 테스트 전수 목록: `docs/test-plan/userfront-test-inventory.md`
 - AdminFront/DevFront E2E 전수 목록: `docs/test-plan/web-e2e-test-inventory.md`
+- UserFront WASM Playwright E2E 확장 계획: `docs/test-plan/userfront-wasm-e2e-expansion-plan.md`
 
 ## 4) 실행 커맨드
 - Backend 전체 테스트: `cd backend && go test ./...`
@@ -35,6 +36,7 @@
 - UserFront 테스트: `cd userfront && flutter test`
 - AdminFront E2E: `cd adminfront && npm test`
 - DevFront E2E: `cd devfront && npm test`
+- UserFront WASM E2E(계획): `docs/test-plan/userfront-wasm-e2e-expansion-plan.md` 기준으로 Playwright 워크스페이스를 추가한 뒤 실행
 
 ## 5) 유지 원칙
 - 신규 기능은 관련 테스트를 반드시 추가합니다.

docs/test-plan/backend-test-inventory.md

@@ -31,9 +31,12 @@
 | `backend/internal/handler/auth_handler_qr_test.go:107` | `TestScanQRLogin_Success` | 인증/OIDC 플로우 검증 |
 | `backend/internal/handler/auth_handler_qr_test.go:150` | `TestResolveConsentSubjects_TokenAndCookie` | 인증/OIDC 플로우 검증 |
 | `backend/internal/handler/auth_handler_qr_test.go:57` | `TestQRLoginFlow_Success` | 인증/OIDC 플로우 검증 |
-| `backend/internal/handler/auth_handler_test.go:20` | `TestCompletePasswordReset_MissingLoginID` | 오류/예외/거부 경로 검증 |
+| `backend/internal/handler/auth_handler_test.go:67` | `TestCompletePasswordReset_MissingLoginID` | 오류/예외/거부 경로 검증 |
-| `backend/internal/handler/auth_handler_test.go:50` | `TestCompletePasswordReset_InvalidPasswordPolicy` | 오류/예외/거부 경로 검증 |
+| `backend/internal/handler/auth_handler_test.go:97` | `TestCompletePasswordReset_InvalidPasswordPolicy` | 오류/예외/거부 경로 검증 |
-| `backend/internal/handler/auth_handler_test.go:80` | `TestCompletePasswordReset_NilIDPProvider` | 인증/OIDC 플로우 검증 |
+| `backend/internal/handler/auth_handler_test.go:127` | `TestCompletePasswordReset_NilIDPProvider` | 오류/예외/거부 경로 검증 |
+| `backend/internal/handler/auth_handler_test.go:157` | `TestCompletePasswordReset_TokenValueOverridesLoginIDQuery` | 비밀번호 재설정 토큰 우선 규칙 검증 |
+| `backend/internal/handler/auth_handler_test.go:209` | `TestCompletePasswordReset_InvalidTokenRejectedEvenWhenLoginIDExists` | 오류/예외/거부 경로 검증 |
+| `backend/internal/handler/auth_handler_test.go:249` | `TestProcessPasswordResetToken_EncodesLoginIDInRedirect` | 리다이렉트/쿼리 보존 규칙 검증 |
 | `backend/internal/handler/dev_handler_test.go:103` | `TestCreateClient_Success` | Hydra/RP 연동 검증 |
 | `backend/internal/handler/dev_handler_test.go:15` | `TestListClients_Success` | Hydra/RP 연동 검증 |
 | `backend/internal/handler/dev_handler_test.go:49` | `TestGetClient_Success` | Hydra/RP 연동 검증 |
@@ -48,6 +51,7 @@
 | `backend/internal/idp/factory_test.go:123` | `TestChainedProviderMetadataUnion` | 회귀 방지 기본 동작 검증 |
 | `backend/internal/idp/factory_test.go:139` | `TestChainedProviderUpdateUserPasswordFallback` | 복구/격리/회복 탄력성 검증 |
 | `backend/internal/idp/factory_test.go:152` | `TestChainedProviderUpdateUserPasswordAllFail` | 인증/OIDC 플로우 검증 |
+| `backend/internal/logger/audit_logger_test.go:14` | `TestAuditLogEntry_RedactsSensitiveFields` | 감사 로그 민감정보 마스킹/비노출 검증 |
 | `backend/internal/middleware/audit_middleware_test.go:42` | `TestAuditMiddleware` | 회귀 방지 기본 동작 검증 |
 | `backend/internal/middleware/error_code_enricher_test.go:22` | `TestErrorCodeEnricher_AddsCodeToLegacyErrorResponse` | 오류/예외/거부 경로 검증 |
 | `backend/internal/middleware/error_code_enricher_test.go:50` | `TestErrorCodeEnricher_DoesNotOverrideExistingCode` | 오류/예외/거부 경로 검증 |

docs/test-plan/userfront-test-inventory.md

@@ -43,15 +43,22 @@
 | `userfront/test/login_challenge_resolver_test.dart` | `widget 값이 없으면 URI query에서 복구` | fallback/복구 경로 검증 |
 | `userfront/test/login_challenge_resolver_test.dart` | `widget 값이 있으면 최우선으로 사용` | 핵심 동작 회귀 방지 검증 |
 | `userfront/test/login_challenge_resolver_test.dart` | `값이 전부 없으면 missing` | fallback/복구 경로 검증 |
+| `userfront/test/null_check_recovery_test.dart` | `Null check 오류 + 루트(/)면 선호 로케일 signin으로 복구` | Null-check 예외 복구 경로 검증 |
+| `userfront/test/null_check_recovery_test.dart` | `Null check 오류 + /ko면 /ko/signin으로 복구` | Null-check 예외 복구 경로 검증 |
+| `userfront/test/null_check_recovery_test.dart` | `이미 /ko/signin이면 복구 이동하지 않음` | Null-check 예외 복구 경로 검증 |
+| `userfront/test/null_check_recovery_test.dart` | `Null check 오류여도 /ko/profile에서는 복구 이동하지 않음` | Null-check 예외 복구 경로 검증 |
+| `userfront/test/null_check_recovery_test.dart` | `다른 오류 메시지면 복구 이동하지 않음` | Null-check 예외 복구 경로 검증 |
 | `userfront/test/oidc_redirect_guard_test.dart` | `http/https 절대 URL만 허용` | 핵심 동작 회귀 방지 검증 |
 | `userfront/test/oidc_redirect_guard_test.dart` | `빈 문자열과 파싱 실패를 차단` | 핵심 동작 회귀 방지 검증 |
 | `userfront/test/password_login_flow_policy_test.dart` | `OIDC challenge가 없고 jwt가 있으면 로컬 로그인 완료로 진행한다` | 로그인 분기/라우팅 규칙 검증 |
 | `userfront/test/password_login_flow_policy_test.dart` | `OIDC challenge가 있고 redirectTo가 없으면 accept를 시도한다` | 로그인 분기/라우팅 규칙 검증 |
 | `userfront/test/password_login_flow_policy_test.dart` | `redirectTo/jwt 모두 없으면 invalid로 처리한다` | 로그인 분기/라우팅 규칙 검증 |
 | `userfront/test/password_login_flow_policy_test.dart` | `redirectTo가 있으면 OIDC redirect를 우선한다` | 로그인 분기/라우팅 규칙 검증 |
+| `userfront/test/router_redirect_widget_test.dart` | `루트 경로: /{locale} 로 접근 시 /{locale}/signin 으로 리다이렉트되어야 한다 (버그: 화면 렌더링 안됨)` | 로그인 분기/라우팅 규칙 검증 |
 | `userfront/test/router_redirect_widget_test.dart` | `/login: login_challenge와 redirect_uri를 전달` | 리다이렉트/쿼리 보존 규칙 검증 |
 | `userfront/test/router_redirect_widget_test.dart` | `로그인 상태: profile 접근 시 signin으로 리다이렉트하지 않음` | 로그인 분기/라우팅 규칙 검증 |
 | `userfront/test/router_redirect_widget_test.dart` | `로그인 후 같은 브라우저 새 창/팝업에서도 세션이 유지된다` | 로그인 세션 지속성(동일 브라우저) 검증 |
 | `userfront/test/router_redirect_widget_test.dart` | `비로그인: redirect_uri/login_challenge가 signin으로 전달` | 리다이렉트/쿼리 보존 규칙 검증 |
 | `userfront/test/router_redirect_widget_test.dart` | `비로그인: redirect_uri가 없으면 redirect_url을 전달` | 리다이렉트/쿼리 보존 규칙 검증 |
-| `userfront/test/widget_test.dart` | `BaronSSOApp builds` | 기본 앱 렌더링 스모크 검증 |
+| `userfront/test/dashboard_screen_smoke_test.dart` | `대시보드는 로그인 토큰이 있으면 크래시 없이 기본 프레임을 렌더링한다` | 대시보드 Null-check 회귀 방지 스모크 검증 |
+| `userfront/test/widget_test.dart` | `smoke test` | 기본 앱 렌더링 스모크 검증 |

docs/test-plan/userfront-wasm-e2e-expansion-plan.md

@@ -0,0 +1,69 @@
+# UserFront WASM Playwright E2E 확장 계획
+
+- 작성일: 2026-02-23
+- 대상: `userfront` (Flutter Web WASM 산출물)
+- 목적: 로그인/리다이렉트/QR 흐름의 브라우저 실동작 회귀를 CI에서 자동 검증
+
+## 1) 전제
+- `flutter build web --wasm --release` 산출물(`userfront/build/web`)을 정적 서버로 서빙합니다.
+- Playwright는 해당 URL로 접속해 E2E를 수행합니다.
+- 카메라/QR은 실장비 의존도를 제거하기 위해 브라우저 API mock 기반 케이스를 기본으로 구성합니다.
+
+## 2) 확장 범위 (우선순위)
+1. Locale 진입/리다이렉트
+- `/` 진입 시 `/{locale}`로 이동
+- 비로그인 상태 `/{locale}` 진입 시 `/{locale}/signin` 이동
+- 로그인 상태 `/{locale}` 진입 시 `/{locale}/dashboard` 이동
+
+2. 로그인 성공/실패 및 새로고침 회귀
+- 정상 로그인 후 `/{locale}/dashboard` 진입
+- 대시보드 진입 후 새로고침 시 `signin`으로 튕기지 않음
+- 비밀번호 오류 시 코드 기반 에러 표시 동작 확인
+
+3. 비밀번호 재설정 플로우
+- reset 링크 진입 후 비밀번호 변경
+- 변경된 비밀번호로 즉시 로그인 가능
+
+4. QR 로그인 (웹 로그인 페이지)
+- QR init/poll 기본 플로우
+- 만료/재발급 동작
+
+5. QR 스캔/승인 (WASM)
+- `/scan`에서 스캔 결과가 `/{locale}/approve?ref=...`로 전달됨
+- BarcodeDetector 미지원/카메라 실패 시 수동 입력 fallback 동작
+- approve 성공 시 dashboard 이동
+
+6. 널체크 회복 경로 회귀
+- `/ko` 경로에서 null-check 예외 발생 시 recovery target(`/{locale}/signin`) 이동 보장
+
+## 3) 구현 단계
+### Phase 0. E2E 실행 기반
+- `userfront-e2e/` (Playwright) 추가
+- `BASE_URL`/`LOCALE`/`MOCK_AUTH` 환경변수 표준화
+- CI job: WASM build 산출물 서빙 + Playwright 실행
+
+### Phase 1. 인증/리다이렉트 핵심 회귀
+- 범위 1~2 구현
+- 실패 재현 케이스를 먼저 작성(Failing test first)
+
+### Phase 2. 비밀번호 재설정 회귀
+- 범위 3 구현
+- 성공/실패 케이스 분리
+
+### Phase 3. QR 흐름 회귀
+- 범위 4~5 구현
+- BarcodeDetector/getUserMedia mock fixture 도입
+
+### Phase 4. 에러/회복 회귀
+- 범위 6 구현
+- null-check 복구 라우팅 검증
+
+## 4) 완료 기준
+- 핵심 인증 플로우(로그인/새로고침/리다이렉트/QR)가 Playwright 회귀군으로 자동화됩니다.
+- 프로덕션 이슈 재발 건은 재현 테스트가 먼저 추가됩니다.
+- PR에서 E2E 결과 링크(성공/실패 로그) 확인이 가능합니다.
+
+## 5) 운영 원칙
+- 버그는 반드시 재현 테스트를 먼저 추가합니다.
+- 재현 테스트가 실패하는 상태를 확인한 뒤 수정합니다.
+- 수정 후 동일 테스트를 반복 실행해 안정 통과까지 완료합니다.

docs/test-plan/web-e2e-test-inventory.md

@@ -2,6 +2,7 @@
 
 - 범위: `adminfront/tests/*.spec.ts`, `devfront/tests/*.spec.ts`
 - 기준: Playwright `test(...)` 케이스 전수
+- 참고: UserFront WASM E2E 확장 계획은 `docs/test-plan/userfront-wasm-e2e-expansion-plan.md`에서 별도 관리
 
 | 파일 | 테스트 | 역할 |
 |---|---|---|

docs/trouble-shooting/issue-277-null-check-dashboard-routing.md

@@ -0,0 +1,76 @@
+# Issue #277/#302 트러블슈팅 기록: 로그인 후 공백 화면 + 새로고침 시 signin 회귀
+
+## 기준 시점
+- 2026-02-23 KST
+- 재현 환경: `https://sss.hmac.kr` (WASM 배포)
+
+## 증상
+- 로그인 직후 URL은 `/{locale}` 또는 `/{locale}/dashboard`로 보이지만 화면이 렌더링되지 않음
+- 이후 새로고침하면 `/{locale}/signin`으로 되돌아감
+- 콘솔/백엔드 수집 로그:
+  - `Null check operator used on a null value`
+  - `wasm-function[765]` 포함 스택 반복
+
+## 스택 매핑 결과 (source-map + no-strip-wasm)
+- 매핑 커맨드:
+  - `python3 scripts/map_wasm_stack.py --wasm userfront/build/web/main.dart.wasm --sourcemap userfront/build/web/main.dart.wasm.map --frame ...`
+- 핵심 프레임:
+  - `wasm-function[765]` -> `_TypeError._throwNullCheckErrorWithCurrentStack`
+  - 상위 프레임 -> Flutter `NavigatorState.didUpdateWidget/_updatePages` 경로
+- 결론:
+  - 단일 위젯 null 접근보다, 라우트 갱신 타이밍/중복 네비게이션 경쟁에서 `Navigator` 내부에서 터지는 양상
+
+## 지금까지 시행착오와 실패 내역
+1. `LocaleGate`, `LanguageSelector`의 `EasyLocalization.of(context)` null 방어만 적용
+- 결과: 동일 예외 재발
+- 이유: 루트 원인은 로케일 위젯 단일 null 접근이 아니라 네비게이션 경쟁 구간
+
+2. `/ko` 루트에서 signin 강제 리다이렉트만 강화
+- 결과: 최초 진입은 일부 개선됐지만 로그인 직후/새로고침 회귀 지속
+- 이유: 로그인 성공 경로가 루트(`/{locale}`)와 엮이면서 라우트 재평가가 중첩
+
+3. 로그인 화면에서 `AuthNotifier.notify()` + `context.go(...)` 동시 수행
+- 결과: 간헐적 경쟁 상태 유발 가능성 확인
+- 조치: 로컬 네비게이션 1회 가드 도입(`_goLocalizedHomeOnce`)
+
+4. cookie 세션 승격이 토큰 저장 이후 덮어쓰는 경합
+- 결과: 일부 흐름에서 저장 상태 불안정 가능성
+- 조치: `cookie_session_policy` 추가, 토큰 존재 시 불필요한 cookie 승격 차단
+
+5. `/:locale` 엔트리가 redirect 없이 매칭되는 구조
+- 결과: `/ko` 직접 진입 시 페이지 스택 재계산 과정에서 `NavigatorState.didUpdateWidget/_updatePages` 경로 null check 재발
+- 이유: `/ko`는 실질 화면이 아닌 분기 지점인데, 명시적 redirect 경로가 없으면 라우트 갱신 타이밍 경쟁에 취약
+- 조치: `/:locale`를 redirect 전용 엔트리로 확정(비로그인 `/{locale}/signin`, 로그인 `/{locale}/dashboard`)
+
+## 최종 반영 방향 (이번 패치)
+1. 로그인 성공 기본 경로를 명시적으로 `/{locale}/dashboard`로 고정
+- `buildLocalizedHomePath()` 반환값을 `/{locale}/dashboard`로 변경
+- `/:locale` 엔트리는 `/:locale/dashboard`로 redirect 전용 처리
+
+2. 라우터/화면 역할 분리
+- 보호 경로 검사는 router redirect에서 수행
+- 대시보드는 필요 시 cookie 세션 복구를 1회 시도 후 signin 이동
+
+3. 중복 네비게이션 억제
+- 로그인 성공 시 내부 이동은 1회만 수행
+
+## 검증
+- 추가 테스트:
+  - `userfront/test/login_navigation_race_test.dart`
+  - `userfront/test/cookie_session_policy_test.dart`
+  - `userfront/test/router_redirect_widget_test.dart` (`/{locale}` 직접 진입 시 signin/dashboard 분기 검증)
+- 갱신 테스트:
+  - `userfront/test/locale_utils_test.dart` (home path `/{locale}/dashboard` 기준)
+- 실행:
+  - `flutter test`
+  - `flutter test --platform chrome test/router_redirect_widget_test.dart test/login_navigation_race_test.dart test/cookie_session_policy_test.dart`
+
+## 남은 리스크
+- 실제 브라우저 저장소 정책(localStorage 차단/쿠키 정책)에 따라 세션 판정이 달라질 수 있음
+- 운영 검증 시 네트워크/스토리지 상태를 함께 수집해야 원인 분리 가능
+
+## 운영 확인 체크리스트
+1. 비로그인으로 `/{locale}` 접속 시 즉시 `/{locale}/signin` 이동
+2. 로그인 성공 시 `/{locale}/dashboard` 진입
+3. `/{locale}/dashboard`에서 새로고침 후 세션 유지 (동일 브라우저)
+4. 실패 시 `RECOVERY_NAV_NULL_CHECK`와 wasm frame 동시 수집

locales/en.toml

@@ -243,14 +243,15 @@ saving = "Saving..."
 unknown_error = "unknown error"
 
 [msg.dev]
+logout_confirm = "Are you sure you want to log out?"
 
 [msg.dev.clients]
 copy_client_id = "Copy Client Id"
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
+loading = "Loading apps..."
-showing = "Showing {{shown}} of {{total}} clients"
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "Status Updated"
+status_updated = "The app has been {{status}}."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -285,6 +286,7 @@ note = "Note"
 load_error = "Error loading client: {{error}}"
 loading = "Loading client..."
 saved = "Saved"
+save_error = "Failed to save: {{error}}"
 
 [msg.dev.clients.general.identity]
 logo_help = "Logo Help"
@@ -298,9 +300,9 @@ empty = "Empty"
 subtitle = "Subtitle"
 
 [msg.dev.clients.general.security]
-confidential_help = "Confidential Help"
+private_help = "Private App (Server-side): For apps that can safely store a client secret, such as Node.js or Java servers."
-public_help = "Public Help"
+pkce_help = "PKCE App (SPA/Mobile): For apps that cannot safely store a client secret. PKCE is mandatory."
-subtitle = "Subtitle"
+subtitle = "Select application type. Security level determines authentication method."
 
 [msg.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
@@ -352,6 +354,7 @@ approved_device = "Approved Device"
 approved_ip = "Approve IP: {{ip}}"
 audit_empty = "Audit Empty"
 audit_load_error = "Audit Load Error"
+render_error = "Dashboard render error: {{error}}"
 auth_method = "Auth Method"
 client_id = "Client ID: {{id}}"
 client_id_missing = "Client Id Missing"
@@ -1051,10 +1054,14 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "Connected Application"
+logout = "Logout"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "New"
+new = "Add Connected Application"
-search_placeholder = "Search Placeholder"
+search_placeholder = "Search by app name or ID..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -1130,8 +1137,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "Create"
+create = "Create Application"
-display_new = "Display New"
+display_new = "Add Connected Application"
 save = "Settings Save"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1167,10 +1174,11 @@ title = "Scopes"
 description = "Description"
 mandatory = "Mandatory"
 name = "Scope Name"
+delete = "Delete"
 
 [ui.dev.clients.general.security]
-confidential = "Confidential"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 title = "Security Settings"
 
 [ui.dev.clients.help]
@@ -1179,7 +1187,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "Title"
+title = "Connected Applications"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
@@ -1203,8 +1211,8 @@ status = "Status"
 type = "Type"
 
 [ui.dev.clients.type]
-confidential = "Confidential"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 
 [ui.dev.dashboard]
 ready_badge = "devfront ready"

locales/ko.toml

@@ -243,14 +243,15 @@ saving = "저장 중..."
 unknown_error = "unknown error"
 
 [msg.dev]
+logout_confirm = "로그아웃 하시겠습니까?"
 
 [msg.dev.clients]
-copy_client_id = "클라이언트 ID가 복사되었습니다."
+copy_client_id = "Client ID가 복사되었습니다."
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
+loading = "Loading apps..."
-showing = "Showing {{shown}} of {{total}} clients"
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "클라이언트가 {{status}}되었습니다."
+status_updated = "앱이 {{status}}되었습니다."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -285,6 +286,7 @@ note = "엔드포인트는 읽기 전용으로 유지하고, 비밀키 재발행
 load_error = "Error loading client: {{error}}"
 loading = "Loading client..."
 saved = "설정이 저장되었습니다."
+save_error = "저장 실패: {{error}}"
 
 [msg.dev.clients.general.identity]
 logo_help = "인증 화면에 표시될 PNG/SVG URL입니다."
@@ -295,19 +297,19 @@ help = "인증 후 리다이렉트될 URI를 입력하세요. 생성 후 Connect
 
 [msg.dev.clients.general.scopes]
 empty = "등록된 스코프가 없습니다."
-subtitle = "이 클라이언트가 요청할 수 있는 권한 범위를 정의합니다."
+subtitle = "이 앱이 요청할 수 있는 권한 범위를 정의합니다."
 
 [msg.dev.clients.general.security]
-confidential_help = "서버 사이드 앱(예: Node.js, Java)처럼 비밀키를 안전하게 보관 가능한 경우."
+private_help = "Private 앱 (서버 사이드 앱): Node.js, Java 등 비밀키를 안전하게 보관 가능한 경우 사용합니다."
-public_help = "SPA/모바일 앱처럼 비밀키 보관이 어려운 경우. PKCE를 기본 사용합니다."
+pkce_help = "PKCE 앱 (SPA/모바일): 브라우저나 앱처럼 비밀키를 보관하기 어려운 경우 사용하며, PKCE가 강제됩니다."
-subtitle = "클라이언트 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
+subtitle = "앱 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
 
 [msg.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
 subtitle = "Developer guides for Confidential/Public clients, redirect URIs, and auth methods."
 
 [msg.dev.clients.registry]
-description = "OIDC 클라이언트, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
+description = "OIDC 앱, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
 
 [msg.dev.clients.scopes]
 email = "이메일 주소 접근"
@@ -329,7 +331,7 @@ hydra_health = "Hydra Admin 상태 체크 준비"
 
 [msg.dev.sidebar]
 notice = "개발자 전용 콘솔입니다."
-notice_detail = "클라이언트 애플리케이션 등록 및 관리를 수행할 수 있습니다."
+notice_detail = "연동 앱 등록 및 관리를 수행할 수 있습니다."
 
 [msg.info]
 saved_success = "저장이 완료되었습니다."
@@ -352,6 +354,7 @@ approved_device = "승인 기기: {{device}}"
 approved_ip = "승인 IP: {{ip}}"
 audit_empty = "최근 접속 이력이 없습니다."
 audit_load_error = "접속이력을 불러오지 못했습니다."
+render_error = "대시보드 렌더링 오류: {{error}}"
 auth_method = "인증수단: {{method}}"
 client_id = "Client ID: {{id}}"
 client_id_missing = "Client ID 없음"
@@ -1051,10 +1054,14 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "연동 앱"
+logout = "로그아웃"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "새 클라이언트"
+new = "연동 앱 추가"
-search_placeholder = "클라이언트 이름/ID로 검색..."
+search_placeholder = "연동 앱 이름/ID로 검색..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -1097,13 +1104,13 @@ user = "User"
 [ui.dev.clients.details]
 
 [ui.dev.clients.details.breadcrumb]
-current = "클라이언트 상세"
+current = "연동 앱 상세"
 section = "Relying Parties"
 
 [ui.dev.clients.details.credentials]
 client_id = "Client ID"
 client_secret = "Client Secret"
-title = "클라이언트 자격 증명"
+title = "앱 자격 증명"
 
 [ui.dev.clients.details.endpoints]
 read_only = "읽기 전용"
@@ -1130,8 +1137,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "클라이언트 생성"
+create = "앱 생성"
-display_new = "새 클라이언트"
+display_new = "연동 앱 추가"
 save = "설정 저장"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1167,10 +1174,11 @@ title = "Scopes"
 description = "Description"
 mandatory = "Mandatory"
 name = "Scope Name"
+delete = "Delete"
 
 [ui.dev.clients.general.security]
-confidential = "Confidential"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 title = "보안 설정"
 
 [ui.dev.clients.help]
@@ -1179,7 +1187,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "클라이언트 목록"
+title = "연동 앱 목록"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
@@ -1203,8 +1211,8 @@ status = "상태"
 type = "유형"
 
 [ui.dev.clients.type]
-confidential = "기밀(Confidential)"
+private = "Private"
-public = "Public"
+pkce = "PKCE"
 
 [ui.dev.dashboard]
 ready_badge = "devfront ready"

locales/template.toml

@@ -205,6 +205,7 @@ saving = ""
 unknown_error = ""
 
 [msg.dev]
+logout_confirm = ""
 
 [msg.dev.clients]
 copy_client_id = ""
@@ -247,6 +248,7 @@ note = ""
 load_error = ""
 loading = ""
 saved = ""
+save_error = ""
 
 [msg.dev.clients.general.identity]
 logo_help = ""
@@ -260,8 +262,8 @@ empty = ""
 subtitle = ""
 
 [msg.dev.clients.general.security]
-confidential_help = ""
+private_help = ""
-public_help = ""
+pkce_help = ""
 subtitle = ""
 
 [msg.dev.clients.help]
@@ -314,6 +316,7 @@ approved_device = ""
 approved_ip = ""
 audit_empty = ""
 audit_load_error = ""
+render_error = ""
 auth_method = ""
 client_id = ""
 client_id_missing = ""
@@ -939,6 +942,10 @@ console_title = ""
 env_badge = ""
 scope_badge = ""
 
+[ui.dev.nav]
+clients = ""
+logout = ""
+
 [ui.dev.clients]
 copy_client_id = ""
 new = ""
@@ -1055,10 +1062,11 @@ title = ""
 description = ""
 mandatory = ""
 name = ""
+delete = ""
 
 [ui.dev.clients.general.security]
-confidential = ""
+private = ""
-public = ""
+pkce = ""
 title = ""
 
 [ui.dev.clients.help]
@@ -1091,8 +1099,8 @@ status = ""
 type = ""
 
 [ui.dev.clients.type]
-confidential = ""
+private = ""
-public = ""
+pkce = ""
 
 [ui.dev.dashboard]
 ready_badge = ""

scripts/map_wasm_stack.py

@@ -0,0 +1,240 @@
+#!/usr/bin/env python3
+"""
+WASM 스택의 `wasm-function[IDX]:0xOFFSET`를 이름/소스 라인으로 매핑합니다.
+
+사용 예시:
+  python3 scripts/map_wasm_stack.py \
+    --wasm userfront/build/web/main.dart.wasm \
+    --sourcemap userfront/build/web/main.dart.wasm.map \
+    --frame "19112:0x2cd913" --frame "765:0x10af0e"
+"""
+
+from __future__ import annotations
+
+import argparse
+import bisect
+import json
+import re
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Dict, List, Optional, Tuple
+
+
+BASE64_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+BASE64_MAP = {c: i for i, c in enumerate(BASE64_CHARS)}
+
+
+def read_u32_leb128(buf: bytes, i: int) -> Tuple[int, int]:
+    value = 0
+    shift = 0
+    while True:
+        b = buf[i]
+        i += 1
+        value |= (b & 0x7F) << shift
+        if b < 0x80:
+            return value, i
+        shift += 7
+
+
+def decode_vlq_segment(segment: str) -> List[int]:
+    out: List[int] = []
+    i = 0
+    while i < len(segment):
+        shift = 0
+        value = 0
+        while True:
+            d = BASE64_MAP[segment[i]]
+            i += 1
+            value |= (d & 0x1F) << shift
+            shift += 5
+            if (d & 0x20) == 0:
+                break
+        sign = value & 1
+        value >>= 1
+        out.append(-value if sign else value)
+    return out
+
+
+@dataclass
+class SourcePoint:
+    generated_col: int
+    source_index: Optional[int]
+    source_line: Optional[int]
+    source_col: Optional[int]
+    name_index: Optional[int]
+
+
+class WasmSourceMap:
+    def __init__(self, sourcemap_path: Path):
+        data = json.loads(sourcemap_path.read_text(encoding="utf-8"))
+        self.sources: List[str] = data["sources"]
+        self.names: List[str] = data.get("names", [])
+        mappings: str = data["mappings"]
+        # wasm sourcemap은 generated line 1개를 쓰는 형태라 ',' 단위로만 파싱합니다.
+        segments = mappings.split(",")
+
+        points: List[SourcePoint] = []
+        generated_col = 0
+        source_index = 0
+        source_line = 0
+        source_col = 0
+        name_index = 0
+
+        for seg in segments:
+            if not seg:
+                continue
+            vals = decode_vlq_segment(seg)
+            generated_col += vals[0]
+            si: Optional[int] = None
+            sl: Optional[int] = None
+            sc: Optional[int] = None
+            ni: Optional[int] = None
+            if len(vals) >= 4:
+                source_index += vals[1]
+                source_line += vals[2]
+                source_col += vals[3]
+                si = source_index
+                sl = source_line
+                sc = source_col
+                if len(vals) >= 5:
+                    name_index += vals[4]
+                    ni = name_index
+            points.append(
+                SourcePoint(
+                    generated_col=generated_col,
+                    source_index=si,
+                    source_line=sl,
+                    source_col=sc,
+                    name_index=ni,
+                )
+            )
+        self.points = points
+        self.columns = [p.generated_col for p in points]
+
+    def lookup(self, offset: int) -> Optional[SourcePoint]:
+        idx = bisect.bisect_right(self.columns, offset) - 1
+        if idx < 0:
+            return None
+        return self.points[idx]
+
+    def source_name(self, index: Optional[int]) -> Optional[str]:
+        if index is None or index < 0 or index >= len(self.sources):
+            return None
+        return self.sources[index]
+
+    def symbol_name(self, index: Optional[int]) -> Optional[str]:
+        if index is None or index < 0 or index >= len(self.names):
+            return None
+        return self.names[index]
+
+
+def parse_wasm_function_names(wasm_path: Path) -> Dict[int, str]:
+    b = wasm_path.read_bytes()
+    if b[:4] != b"\x00asm":
+        raise ValueError(f"Not a wasm binary: {wasm_path}")
+
+    function_names: Dict[int, str] = {}
+    i = 8  # magic + version
+
+    while i < len(b):
+        section_id = b[i]
+        i += 1
+        section_size, i = read_u32_leb128(b, i)
+        section_start = i
+        section_end = i + section_size
+
+        if section_id == 0:  # custom section
+            name_len, j = read_u32_leb128(b, i)
+            custom_name = b[j : j + name_len].decode("utf-8", errors="replace")
+            payload_start = j + name_len
+            if custom_name == "name":
+                k = payload_start
+                while k < section_end:
+                    subsection_id = b[k]
+                    k += 1
+                    subsection_size, k = read_u32_leb128(b, k)
+                    subsection_end = k + subsection_size
+                    if subsection_id == 1:  # function names
+                        count, k = read_u32_leb128(b, k)
+                        for _ in range(count):
+                            fn_idx, k = read_u32_leb128(b, k)
+                            nlen, k = read_u32_leb128(b, k)
+                            name = b[k : k + nlen].decode("utf-8", errors="replace")
+                            k += nlen
+                            function_names[fn_idx] = name
+                    else:
+                        k = subsection_end
+
+        i = section_end
+    return function_names
+
+
+def parse_frame(raw: str) -> Tuple[int, int]:
+    m = re.match(r"^\s*(\d+)\s*:\s*(0x[0-9a-fA-F]+)\s*$", raw)
+    if not m:
+        raise ValueError(f"Invalid --frame format: {raw!r} (expected IDX:0xOFFSET)")
+    return int(m.group(1)), int(m.group(2), 16)
+
+
+def parse_args() -> argparse.Namespace:
+    p = argparse.ArgumentParser(description="Map wasm stack frames to source locations")
+    p.add_argument("--wasm", required=True, type=Path, help="WASM binary path")
+    p.add_argument("--sourcemap", required=True, type=Path, help="WASM sourcemap path")
+    p.add_argument(
+        "--frame",
+        action="append",
+        default=[],
+        help="Frame in IDX:0xOFFSET format (repeatable)",
+    )
+    p.add_argument(
+        "--offset",
+        action="append",
+        default=[],
+        help="Offset only (hex), function index unknown",
+    )
+    return p.parse_args()
+
+
+def main() -> None:
+    args = parse_args()
+    source_map = WasmSourceMap(args.sourcemap)
+    function_names = parse_wasm_function_names(args.wasm)
+
+    targets: List[Tuple[Optional[int], int]] = []
+    for f in args.frame:
+        idx, off = parse_frame(f)
+        targets.append((idx, off))
+    for off in args.offset:
+        targets.append((None, int(off, 16)))
+
+    if not targets:
+        raise SystemExit("No targets. Provide --frame or --offset.")
+
+    for fn_idx, off in targets:
+        point = source_map.lookup(off)
+        fn_name = function_names.get(fn_idx) if fn_idx is not None else None
+        mapped_col = point.generated_col if point else None
+        src = source_map.source_name(point.source_index) if point else None
+        src_line = (point.source_line + 1) if point and point.source_line is not None else None
+        src_col = (point.source_col + 1) if point and point.source_col is not None else None
+        symbol = source_map.symbol_name(point.name_index) if point else None
+
+        print(
+            json.dumps(
+                {
+                    "function_index": fn_idx,
+                    "function_name": fn_name,
+                    "offset_hex": hex(off),
+                    "mapped_generated_col_hex": hex(mapped_col) if mapped_col is not None else None,
+                    "source": src,
+                    "source_line": src_line,
+                    "source_column": src_col,
+                    "symbol": symbol,
+                },
+                ensure_ascii=False,
+            )
+        )
+
+
+if __name__ == "__main__":
+    main()

userfront/assets/translations/en.toml

@@ -38,6 +38,7 @@ approved_device = "Approved Device"
 approved_ip = "Approve IP: {ip}"
 audit_empty = "Audit Empty"
 audit_load_error = "Audit Load Error"
+render_error = "Dashboard render error: {error}"
 auth_method = "Auth Method"
 client_id = "Client ID: {id}"
 client_id_missing = "Client Id Missing"
@@ -557,4 +558,3 @@ verify = "Verify"
 
 [ui.userfront.signup.success]
 action = "Action"
-

userfront/assets/translations/ko.toml

@@ -38,6 +38,7 @@ approved_device = "승인 기기: {device}"
 approved_ip = "승인 IP: {ip}"
 audit_empty = "최근 접속 이력이 없습니다."
 audit_load_error = "접속이력을 불러오지 못했습니다."
+render_error = "대시보드 렌더링 오류: {error}"
 auth_method = "인증수단: {method}"
 client_id = "Client ID: {id}"
 client_id_missing = "Client ID 없음"
@@ -557,4 +558,3 @@ verify = "본인인증"
 
 [ui.userfront.signup.success]
 action = "로그인하기"
-

userfront/assets/translations/template.toml

@@ -38,6 +38,7 @@ approved_device = ""
 approved_ip = ""
 audit_empty = ""
 audit_load_error = ""
+render_error = ""
 auth_method = ""
 client_id = ""
 client_id_missing = ""

userfront/lib/core/i18n/locale_gate.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:easy_localization/easy_localization.dart' hide tr;
 import 'package:flutter/material.dart';
 
@@ -17,28 +19,54 @@ class LocaleGate extends StatefulWidget {
 }
 
 class _LocaleGateState extends State<LocaleGate> {
+  bool _syncScheduled = false;
+
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();
-    _applyLocale();
+    _scheduleLocaleSync();
   }
 
   @override
   void didUpdateWidget(LocaleGate oldWidget) {
     super.didUpdateWidget(oldWidget);
     if (oldWidget.localeCode != widget.localeCode) {
-      _applyLocale();
+      _scheduleLocaleSync();
     }
   }
 
-  Future<void> _applyLocale() async {
+  void _scheduleLocaleSync() {
-    final normalized = normalizeLocaleCode(widget.localeCode);
+    if (_syncScheduled) {
-    LocaleStorage.write(normalized);
+      return;
-    webWindow.setTitle(tr('ui.userfront.app_title'));
+    }
-    if (context.locale.languageCode == normalized) {
+    _syncScheduled = true;
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _syncScheduled = false;
+      if (!mounted) {
+        return;
+      }
+      unawaited(_applyLocale());
+    });
+  }
+
+  Future<void> _applyLocale() async {
+    if (!mounted) {
+      return;
+    }
+    final normalized = normalizeLocaleCode(widget.localeCode);
+    LocaleStorage.write(normalized);
+    final localization = EasyLocalization.of(context);
+    if (localization == null) {
+      return;
+    }
+    if (localization.currentLocale?.languageCode == normalized) {
+      webWindow.setTitle(tr('ui.userfront.app_title'));
+      return;
+    }
+    await localization.setLocale(Locale(normalized));
+    if (!mounted) {
       return;
     }
-    await context.setLocale(Locale(normalized));
     webWindow.setTitle(tr('ui.userfront.app_title'));
   }
 

userfront/lib/core/i18n/locale_storage_engine.dart

@@ -183,10 +183,11 @@ class LocaleStorageEngine implements LocaleStorageBackend {
 
     final legacy = _readByKey(LocaleStoragePolicy.legacyKey);
     if (LocaleStoragePolicy.shouldMigrateLegacy(
-      current: current,
+          current: current,
-      legacy: legacy,
+          legacy: legacy,
-    )) {
+        ) &&
-      _writeByKey(LocaleStoragePolicy.currentKey, legacy!);
+        legacy != null) {
+      _writeByKey(LocaleStoragePolicy.currentKey, legacy);
       _removeEverywhere(LocaleStoragePolicy.legacyKey);
       return legacy;
     }

userfront/lib/core/i18n/locale_utils.dart

@@ -32,10 +32,10 @@ String resolvePreferredLocaleCode() {
     }
   }
   final deviceLocale = PlatformDispatcher.instance.locale;
-  final languageTag =
+  final countryCode = deviceLocale.countryCode;
-      deviceLocale.countryCode == null || deviceLocale.countryCode!.isEmpty
+  final languageTag = countryCode == null || countryCode.isEmpty
       ? deviceLocale.languageCode
-      : '${deviceLocale.languageCode}-${deviceLocale.countryCode}';
+      : '${deviceLocale.languageCode}-$countryCode';
   return normalizeLocaleCode(languageTag);
 }
 
@@ -101,3 +101,17 @@ String buildSigninRedirectPath(String localeCode, Uri uri) {
   }
   return result;
 }
+
+String buildLocalizedHomePath(Uri uri, {String? preferredLocaleCode}) {
+  final resolvedLocale =
+      extractLocaleFromPath(uri) ??
+      normalizeLocaleCode(preferredLocaleCode ?? resolvePreferredLocaleCode());
+  return '/$resolvedLocale/dashboard';
+}
+
+String buildLocalizedSigninPath(Uri uri, {String? preferredLocaleCode}) {
+  final resolvedLocale =
+      extractLocaleFromPath(uri) ??
+      normalizeLocaleCode(preferredLocaleCode ?? resolvePreferredLocaleCode());
+  return '/$resolvedLocale/signin';
+}

userfront/lib/core/services/null_check_recovery.dart

@@ -0,0 +1,26 @@
+import '../i18n/locale_utils.dart';
+
+String? computeNullCheckRecoveryTarget({
+  required Object exception,
+  required Uri uri,
+  required String preferredLocaleCode,
+}) {
+  final message = exception.toString();
+  if (!message.contains('Null check operator used on a null value')) {
+    return null;
+  }
+
+  final localeCode =
+      extractLocaleFromPath(uri) ?? normalizeLocaleCode(preferredLocaleCode);
+  final path = uri.path;
+  final localeRootPath = '/$localeCode';
+  if (path != '/' && path != localeRootPath) {
+    return null;
+  }
+
+  final target = '/$localeCode/signin';
+  if (path == target) {
+    return null;
+  }
+  return target;
+}

userfront/lib/core/services/web_auth_integration_web.dart

@@ -6,6 +6,7 @@ import 'package:web/web.dart' as web;
 import 'package:flutter/foundation.dart';
 import 'dart:js_interop';
 import 'auth_token_store.dart';
+import '../i18n/locale_utils.dart';
 
 void implSendLoginSuccess(String token) {
   var effectiveToken = token;
@@ -87,8 +88,9 @@ void implSendLoginSuccess(String token) {
   }
 
   // No opener and no redirect: fall back to local navigation
-  debugPrint('No opener found. Redirecting to /.');
+  final fallbackTarget = buildLocalizedHomePath(Uri.base);
-  web.window.location.href = '/';
+  debugPrint('No opener found. Redirecting to $fallbackTarget.');
+  web.window.location.href = fallbackTarget;
 }
 
 bool implIsPopup() {

userfront/lib/core/widgets/language_selector.dart

@@ -13,7 +13,13 @@ class LanguageSelector extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final current = context.locale.languageCode;
+    final localization = EasyLocalization.of(context);
+    final resolvedCurrent = normalizeLocaleCode(
+      localization?.currentLocale?.languageCode,
+    );
+    final current = (resolvedCurrent == 'ko' || resolvedCurrent == 'en')
+        ? resolvedCurrent
+        : 'en';
     final items = [
       DropdownMenuItem(value: 'ko', child: Text(tr('ui.common.language_ko'))),
       DropdownMenuItem(
@@ -34,9 +40,16 @@ class LanguageSelector extends StatelessWidget {
             return;
           }
           LocaleStorage.write(value);
-          await context.setLocale(Locale(value));
+          if (localization != null) {
+            await localization.setLocale(Locale(value));
+          }
           if (!context.mounted) return;
-          final uri = GoRouterState.of(context).uri;
+          Uri uri;
+          try {
+            uri = GoRouterState.of(context).uri;
+          } catch (_) {
+            uri = Uri.base;
+          }
           final target = buildLocalizedPath(value, uri);
           context.go(target);
         },

userfront/lib/features/admin/presentation/create_user_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import '../../../../core/services/auth_proxy_service.dart';
+import '../../../../core/i18n/locale_utils.dart';
 
 class CreateUserScreen extends StatefulWidget {
   const CreateUserScreen({super.key});
@@ -67,7 +68,7 @@ class _CreateUserScreenState extends State<CreateUserScreen> {
 
     // If cancelled or empty
     if (inputPassword == null || inputPassword.isEmpty) {
-      if (mounted) context.go('/'); // Kick out
+      if (mounted) context.go(buildLocalizedHomePath(Uri.base)); // Kick out
       return;
     }
 
@@ -91,7 +92,7 @@ class _CreateUserScreenState extends State<CreateUserScreen> {
             backgroundColor: Colors.red,
           ),
         );
-        context.go('/'); // Kick out
+        context.go(buildLocalizedHomePath(Uri.base)); // Kick out
       }
     }
   }
@@ -178,7 +179,7 @@ class _CreateUserScreenState extends State<CreateUserScreen> {
         title: const Text('Create User'),
         leading: IconButton(
           icon: const Icon(Icons.arrow_back),
-          onPressed: () => context.go('/'),
+          onPressed: () => context.go(buildLocalizedHomePath(Uri.base)),
         ),
       ),
       body: Center(

userfront/lib/features/admin/presentation/user_management_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'dart:async';
 import '../../../../core/services/auth_proxy_service.dart';
+import '../../../../core/i18n/locale_utils.dart';
 
 class UserManagementScreen extends StatefulWidget {
   const UserManagementScreen({super.key});
@@ -89,7 +90,7 @@ class _UserManagementScreenState extends State<UserManagementScreen>
     );
 
     if (inputPassword == null || inputPassword.isEmpty) {
-      if (mounted) context.go('/');
+      if (mounted) context.go(buildLocalizedHomePath(Uri.base));
       return;
     }
 
@@ -113,7 +114,7 @@ class _UserManagementScreenState extends State<UserManagementScreen>
             backgroundColor: Colors.red,
           ),
         );
-        context.go('/');
+        context.go(buildLocalizedHomePath(Uri.base));
       }
     }
   }
@@ -365,7 +366,7 @@ class _UserManagementScreenState extends State<UserManagementScreen>
         title: const Text('User Management'),
         leading: IconButton(
           icon: const Icon(Icons.arrow_back),
-          onPressed: () => context.go('/'),
+          onPressed: () => context.go(buildLocalizedHomePath(Uri.base)),
         ),
         bottom: TabBar(
           controller: _tabController,

userfront/lib/features/auth/domain/cookie_session_policy.dart

@@ -0,0 +1,15 @@
+bool shouldPromoteCookieSession({
+  required String? currentToken,
+  required String? loginChallenge,
+}) {
+  final hasToken = currentToken != null && currentToken.trim().isNotEmpty;
+  final hasChallenge =
+      loginChallenge != null && loginChallenge.trim().isNotEmpty;
+
+  // 토큰 기반 세션이 이미 확보된 일반 로그인 흐름에서는
+  // 뒤늦은 쿠키 세션 승격이 토큰을 덮어쓰지 않도록 차단합니다.
+  if (hasToken && !hasChallenge) {
+    return false;
+  }
+  return true;
+}

userfront/lib/features/auth/domain/login_link_route_policy.dart

@@ -0,0 +1,34 @@
+import '../../../core/i18n/locale_utils.dart';
+
+bool isPublicAuthPath(String path, Uri uri) {
+  return path == '/signin' ||
+      path == '/signup' ||
+      path == '/login' ||
+      path == '/registration' ||
+      path == '/verify' ||
+      path == '/verification' ||
+      path.startsWith('/verify/') ||
+      path.startsWith('/l/') ||
+      path == '/approve' ||
+      path.startsWith('/ql/') ||
+      path == '/forgot-password' ||
+      path == '/recovery' ||
+      path == '/reset-password' ||
+      path == '/error' ||
+      path == '/settings' ||
+      path == '/consent' ||
+      path.startsWith('/consent/') ||
+      uri.path.contains('/consent');
+}
+
+String? extractLoginShortCode(Uri uri) {
+  final normalizedPath = stripLocalePath(uri);
+  final segments = normalizedPath
+      .split('/')
+      .where((segment) => segment.isNotEmpty)
+      .toList();
+  if (segments.length < 2 || segments.first != 'l') {
+    return null;
+  }
+  return segments[1];
+}

userfront/lib/features/auth/presentation/approve_qr_screen.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
+import '../../../../core/i18n/locale_utils.dart';
 import '../../../../core/services/auth_proxy_service.dart';
 import '../../../../core/services/auth_token_store.dart';
 
@@ -17,11 +18,15 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
   bool _success = false;
   bool _isCheckingSession = false;
   bool _redirectingToLogin = false;
+  bool _autoApproveTriggered = false;
 
   @override
   void initState() {
     super.initState();
-    _bootstrapCookieSession().then((_) => _redirectIfNotLoggedIn());
+    _bootstrapCookieSession().then((_) {
+      _redirectIfNotLoggedIn();
+      _maybeAutoApprove();
+    });
   }
 
   Future<bool> _bootstrapCookieSession() async {
@@ -47,18 +52,44 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
 
   void _redirectIfNotLoggedIn() {
     if (_redirectingToLogin || !mounted) return;
-    final hasStoredToken = AuthTokenStore.getToken() != null;
+    final hasStoredToken = AuthTokenStore.getToken()?.isNotEmpty ?? false;
     final usesCookie = AuthTokenStore.usesCookie();
     final isLoggedIn = hasStoredToken || usesCookie;
     if (!isLoggedIn) {
       _redirectingToLogin = true;
       WidgetsBinding.instance.addPostFrameCallback((_) {
         if (!mounted) return;
-        context.go('/signin?notice=qr_login_required');
+        final target = buildLocalizedSigninPath(Uri.base);
+        context.go('$target?notice=qr_login_required');
       });
     }
   }
 
+  void _maybeAutoApprove() {
+    if (!mounted || _autoApproveTriggered) return;
+    if (widget.pendingRef == null || widget.pendingRef!.trim().isEmpty) {
+      if (_message == null) {
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          if (!mounted) return;
+          setState(() {
+            _message = 'Error: pendingRef is missing.';
+          });
+        });
+      }
+      return;
+    }
+
+    final hasStoredToken = AuthTokenStore.getToken()?.isNotEmpty ?? false;
+    final usesCookie = AuthTokenStore.usesCookie();
+    final isLoggedIn = hasStoredToken || usesCookie || _isCheckingSession;
+    if (!isLoggedIn || _isLoading || _success) {
+      return;
+    }
+
+    _autoApproveTriggered = true;
+    _handleApprove();
+  }
+
   Future<void> _handleApprove() async {
     if (widget.pendingRef == null) return;
 
@@ -70,7 +101,8 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
     }
     if (storedToken == null && !hasCookie) {
       if (mounted) {
-        context.go('/signin?notice=qr_login_required');
+        final target = buildLocalizedSigninPath(Uri.base);
+        context.go('$target?notice=qr_login_required');
       }
       return;
     }
@@ -94,7 +126,7 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
 
       // Automatically go to dashboard after a short delay
       Future.delayed(const Duration(seconds: 1), () {
-        if (mounted) context.go('/');
+        if (mounted) context.go(buildLocalizedHomePath(Uri.base));
       });
     } catch (e) {
       setState(() => _message = "Error: $e");
@@ -105,13 +137,16 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
 
   @override
   Widget build(BuildContext context) {
-    final hasStoredToken = AuthTokenStore.getToken() != null;
+    final hasStoredToken = AuthTokenStore.getToken()?.isNotEmpty ?? false;
     final usesCookie = AuthTokenStore.usesCookie();
     final isLoggedIn = hasStoredToken || usesCookie || _isCheckingSession;
 
     if (!isLoggedIn && !_redirectingToLogin) {
       _redirectIfNotLoggedIn();
     }
+    if (isLoggedIn && !_success && !_isLoading) {
+      _maybeAutoApprove();
+    }
 
     return Scaffold(
       appBar: AppBar(title: const Text("QR Login Approval")),
@@ -148,29 +183,44 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
                   ),
                 ),
 
-              if (!_success)
+              if (_isLoading)
-                FilledButton.icon(
+                const Padding(
-                  onPressed: _isLoading || !isLoggedIn ? null : _handleApprove,
+                  padding: EdgeInsets.only(bottom: 16),
-                  icon: const Icon(Icons.check_circle),
+                  child: CircularProgressIndicator(),
-                  label: const Text("Approve Login"),
+                ),
-                  style: FilledButton.styleFrom(
+
-                    minimumSize: const Size.fromHeight(60),
+              if (!_success && !_isLoading)
-                    backgroundColor: Colors.blue,
+                Text(
-                  ),
+                  "Approving login request automatically...",
+                  textAlign: TextAlign.center,
+                  style: TextStyle(color: Colors.grey.shade700),
                 ),
 
               if (!isLoggedIn && !_success)
                 Padding(
                   padding: const EdgeInsets.only(top: 16),
                   child: TextButton(
-                    onPressed: () => context.go('/signin'),
+                    onPressed: () =>
+                        context.go(buildLocalizedSigninPath(Uri.base)),
                     child: const Text("Login on this device first"),
                   ),
                 ),
 
+              if (!_success && !_isLoading && _message != null)
+                FilledButton.icon(
+                  onPressed: !isLoggedIn
+                      ? null
+                      : () {
+                          _autoApproveTriggered = false;
+                          _handleApprove();
+                        },
+                  icon: const Icon(Icons.refresh),
+                  label: const Text("Retry Approval"),
+                ),
+
               if (_success)
                 FilledButton(
-                  onPressed: () => context.go('/'),
+                  onPressed: () => context.go(buildLocalizedHomePath(Uri.base)),
                   child: const Text("Go to My Dashboard"),
                 ),
             ],

userfront/lib/features/auth/presentation/consent_screen.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
+import 'package:userfront/core/i18n/locale_utils.dart';
 import 'package:userfront/core/services/auth_proxy_service.dart';
 import 'package:userfront/core/services/web_window.dart';
 
@@ -153,7 +154,7 @@ class _ConsentScreenState extends State<ConsentScreen> {
         if (redirectTo != null) {
           webWindow.redirectTo(redirectTo);
         } else {
-          if (mounted) context.go('/');
+          if (mounted) context.go(buildLocalizedHomePath(Uri.base));
         }
       } catch (e) {
         setState(() => _isSubmitting = false);

userfront/lib/features/auth/presentation/error_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import '../../../core/constants/error_whitelist.dart';
+import '../../../core/i18n/locale_utils.dart';
 import '../../../core/services/auth_proxy_service.dart';
 import 'package:userfront/i18n.dart';
 
@@ -130,7 +131,8 @@ class ErrorScreen extends StatelessWidget {
                         child: Text(tr('ui.userfront.error.go_login')),
                       ),
                       OutlinedButton(
-                        onPressed: () => context.go('/'),
+                        onPressed: () =>
+                            context.go(buildLocalizedHomePath(Uri.base)),
                         style: OutlinedButton.styleFrom(
                           foregroundColor: const Color(0xFF111827),
                           padding: const EdgeInsets.symmetric(

userfront/lib/features/auth/presentation/login_screen.dart

@@ -9,9 +9,12 @@ import '../../../core/widgets/language_selector.dart';
 import '../../../core/services/web_auth_integration.dart';
 import '../../../core/services/auth_proxy_service.dart';
 import '../../../core/services/auth_token_store.dart';
+import '../../../core/i18n/locale_utils.dart';
 import '../../../core/services/oidc_redirect_guard.dart';
 import '../../../core/notifiers/auth_notifier.dart';
 import '../domain/login_challenge_resolver.dart';
+import '../domain/cookie_session_policy.dart';
+import '../domain/login_link_route_policy.dart';
 import '../../profile/domain/notifiers/profile_notifier.dart';
 import '../../../core/services/web_window.dart';
 
@@ -65,6 +68,7 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
   bool _verificationOnly = false;
   bool _verificationApproved = false;
   bool _dismissedOverlays = false;
+  bool _localNavigationCompleted = false;
   String _verificationMessage = '';
   String _verificationTitle = tr('ui.userfront.login.verification.title');
   String _verificationPageTitle = tr(
@@ -108,8 +112,8 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
       final loginIdParam = uri.queryParameters['loginId'];
       final codeParam = uri.queryParameters['code'];
       final pendingRefParam = uri.queryParameters['pendingRef'];
-      final hasShortCodePath =
+      final shortCodeFromPath = extractLoginShortCode(uri);
-          uri.pathSegments.length >= 2 && uri.pathSegments.first == 'l';
+      final hasShortCodePath = shortCodeFromPath != null;
       final hasTokenParam = uri.queryParameters.containsKey('t');
       final hasVerificationToken =
           widget.verificationToken != null || hasTokenParam;
@@ -119,13 +123,16 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
       final notice = uri.queryParameters['notice'];
 
       if (hasShortCodePath) {
-        final shortCode = uri.pathSegments[1];
+        _verifyShortCode(shortCodeFromPath);
-        _verifyShortCode(shortCode);
       }
       if (hasLoginCode) {
         _verifyLoginCode(loginIdParam, codeParam, pendingRef: pendingRefParam);
       } else if (hasVerificationToken) {
-        _verifyToken(widget.verificationToken ?? uri.queryParameters['t']!);
+        final verificationToken =
+            widget.verificationToken ?? uri.queryParameters['t'];
+        if (verificationToken != null && verificationToken.isNotEmpty) {
+          _verifyToken(verificationToken);
+        }
       }
 
       if (!_noticeHandled && notice == 'qr_login_required') {
@@ -142,8 +149,12 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
   }
 
   Future<void> _tryCookieSession({bool silent = true}) async {
-    if (AuthTokenStore.getToken() != null &&
+    final loginChallenge = _loginChallenge;
-        (_loginChallenge == null || _loginChallenge!.isEmpty)) {
+    final token = AuthTokenStore.getToken();
+    if (!shouldPromoteCookieSession(
+      currentToken: token,
+      loginChallenge: loginChallenge,
+    )) {
       return;
     }
     final pendingProvider = AuthTokenStore.getPendingProvider();
@@ -151,6 +162,12 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
 
     try {
       await AuthProxyService.checkCookieSession();
+      if (!shouldPromoteCookieSession(
+        currentToken: AuthTokenStore.getToken(),
+        loginChallenge: loginChallenge,
+      )) {
+        return;
+      }
       AuthTokenStore.setCookieMode(provider: provider);
       AuthTokenStore.clearPendingProvider();
       if (mounted) {
@@ -171,7 +188,6 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
 
   Future<void> _onCookieLoginSuccess(String provider) async {
     debugPrint("[Auth] Cookie-based login success. Provider: $provider");
-    AuthNotifier.instance.notify();
     if (_hasLoginChallenge) {
       final accepted = await _acceptOidcLoginAndRedirect();
       if (accepted) {
@@ -185,8 +201,9 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
 
     final token = AuthTokenStore.getToken();
     if (token != null && token.isNotEmpty) {
+      final redirectUrl = _redirectUrl;
       if (WebAuthIntegration.isPopup() ||
-          (_redirectUrl != null && _redirectUrl!.isNotEmpty)) {
+          (redirectUrl != null && redirectUrl.isNotEmpty)) {
         debugPrint(
           "[Auth] Cookie session with external integration. Notifying...",
         );
@@ -196,14 +213,23 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
     }
 
     if (mounted) {
-      context.go('/');
+      _goLocalizedHomeOnce();
     }
   }
 
+  void _goLocalizedHomeOnce() {
+    if (!mounted || _localNavigationCompleted) {
+      return;
+    }
+    _localNavigationCompleted = true;
+    context.go(buildLocalizedHomePath(Uri.base));
+  }
+
   Future<void> _attemptOidcAutoAccept() async {
     if (_oidcAutoAcceptTried) return;
     _oidcAutoAcceptTried = true;
-    if (_loginChallenge == null || _loginChallenge!.isEmpty) {
+    final loginChallenge = _loginChallenge;
+    if (loginChallenge == null || loginChallenge.isEmpty) {
       return;
     }
 
@@ -227,12 +253,13 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
   }
 
   Future<bool> _acceptOidcLoginAndRedirect({String? token}) async {
-    if (_loginChallenge == null || _loginChallenge!.isEmpty) {
+    final loginChallenge = _loginChallenge;
+    if (loginChallenge == null || loginChallenge.isEmpty) {
       return false;
     }
     try {
       final res = await AuthProxyService.acceptOidcLogin(
-        _loginChallenge!,
+        loginChallenge,
         token: token,
       );
       final redirectTo = res['redirectTo'] as String?;
@@ -274,8 +301,10 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
     }
   }
 
-  bool get _hasLoginChallenge =>
+  bool get _hasLoginChallenge {
-      _loginChallenge != null && _loginChallenge!.isNotEmpty;
+    final loginChallenge = _loginChallenge;
+    return loginChallenge != null && loginChallenge.isNotEmpty;
+  }
 
   LoginChallengeResolution _resolveLoginChallenge(Uri uri) {
     return resolveLoginChallenge(
@@ -486,7 +515,11 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
         }
 
         try {
-          final res = await AuthProxyService.pollQrStatus(_qrPendingRef!);
+          final pendingRef = _qrPendingRef;
+          if (pendingRef == null || pendingRef.isEmpty) {
+            return;
+          }
+          final res = await AuthProxyService.pollQrStatus(pendingRef);
           if (res['error'] == 'slow_down') {
             final interval = res['interval'];
             if (interval is int && interval > 0) {
@@ -656,9 +689,11 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
             FilledButton(
               onPressed: () {
                 final hasLocalSession =
-                    AuthTokenStore.getToken() != null ||
+                    (AuthTokenStore.getToken()?.isNotEmpty ?? false) ||
                     AuthTokenStore.usesCookie();
-                final target = hasLocalSession ? '/' : '/signin';
+                final target = hasLocalSession
+                    ? buildLocalizedHomePath(Uri.base)
+                    : buildLocalizedSigninPath(Uri.base);
                 if (mounted) {
                   setState(() {
                     _verificationOnly = false;
@@ -691,7 +726,9 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
       final jwt = res['token'] ?? res['sessionJwt'] ?? res['sessionToken'];
       final status = res['status']?.toString();
       final hasLocalSession = await _hasValidLocalSession();
-      final actionPath = hasLocalSession ? '/' : '/signin';
+      final actionPath = hasLocalSession
+          ? buildLocalizedHomePath(Uri.base)
+          : buildLocalizedSigninPath(Uri.base);
 
       if (status == 'approved' || (jwt == null && _verificationOnly)) {
         if (mounted) {
@@ -754,7 +791,9 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
         "[Auth] Code verification successful for loginId: $sanitizedLoginId",
       );
       final hasLocalSession = await _hasValidLocalSession();
-      final actionPath = hasLocalSession ? '/' : '/signin';
+      final actionPath = hasLocalSession
+          ? buildLocalizedHomePath(Uri.base)
+          : buildLocalizedSigninPath(Uri.base);
 
       if (jwt == null && status == 'approved') {
         if (mounted) {
@@ -814,7 +853,9 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
       final status = res['status']?.toString();
       debugPrint("[Auth] Short code verification successful");
       final hasLocalSession = await _hasValidLocalSession();
-      final actionPath = hasLocalSession ? '/' : '/signin';
+      final actionPath = hasLocalSession
+          ? buildLocalizedHomePath(Uri.base)
+          : buildLocalizedSigninPath(Uri.base);
 
       if (jwt == null && status == 'approved') {
         if (mounted) {
@@ -1147,14 +1188,15 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
       }
 
       // [Priority 2] OIDC Challenge Handling
-      if (_loginChallenge != null && _loginChallenge!.isNotEmpty) {
+      final loginChallenge = _loginChallenge;
+      if (loginChallenge != null && loginChallenge.isNotEmpty) {
         try {
           // Save token first, it's needed for acceptance
           final providerName = provider ?? AuthTokenStore.getProvider();
           AuthTokenStore.setToken(token, provider: providerName);
 
           final res = await AuthProxyService.acceptOidcLogin(
-            _loginChallenge!,
+            loginChallenge,
             token: token,
           );
           final nextRedirectTo = res['redirectTo'] as String?;
@@ -1196,9 +1238,8 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
         return;
       }
 
-      AuthNotifier.instance.notify();
       if (mounted) {
-        context.go('/');
+        _goLocalizedHomeOnce();
       }
     } catch (globalErr) {
       // ignore
@@ -1237,7 +1278,7 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
           title: Text(_verificationPageTitle),
           leading: IconButton(
             icon: const Icon(Icons.arrow_back),
-            onPressed: () => context.go('/'),
+            onPressed: () => context.go(buildLocalizedHomePath(Uri.base)),
           ),
         ),
         body: _buildVerificationResultView(),

userfront/lib/features/auth/presentation/login_success_screen.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
+import 'package:userfront/core/i18n/locale_utils.dart';
 import 'package:userfront/i18n.dart';
 
 class LoginSuccessScreen extends StatelessWidget {
@@ -54,7 +55,7 @@ class LoginSuccessScreen extends StatelessWidget {
               const SizedBox(height: 24),
               TextButton(
                 onPressed: () {
-                  context.go('/');
+                  context.go(buildLocalizedHomePath(Uri.base));
                 },
                 child: Text(
                   tr('ui.userfront.login_success.later'),

userfront/lib/features/auth/presentation/qr_camera_bootstrap_policy.dart

@@ -0,0 +1,54 @@
+enum QrCameraBootstrapStatus {
+  ready,
+  detectorUnsupported,
+  permissionError,
+  cameraError,
+}
+
+class QrCameraBootstrapResult {
+  const QrCameraBootstrapResult(this.status, {this.errorDetail = ''});
+
+  final QrCameraBootstrapStatus status;
+  final String errorDetail;
+
+  bool get isReady => status == QrCameraBootstrapStatus.ready;
+}
+
+typedef QrOpenCameraAndPlay = Future<void> Function();
+typedef QrStopCamera = Future<void> Function();
+
+bool isQrPermissionError(Object error) {
+  final raw = error.toString();
+  return raw.contains('NotAllowedError') ||
+      raw.contains('PermissionDeniedError') ||
+      raw.contains('SecurityError');
+}
+
+Future<QrCameraBootstrapResult> bootstrapQrCamera({
+  required bool hasBarcodeDetector,
+  required QrOpenCameraAndPlay openCameraAndPlay,
+  required QrStopCamera stopCamera,
+}) async {
+  try {
+    await openCameraAndPlay();
+    if (!hasBarcodeDetector) {
+      await stopCamera();
+      return const QrCameraBootstrapResult(
+        QrCameraBootstrapStatus.detectorUnsupported,
+        errorDetail: 'BarcodeDetector is not supported in this browser.',
+      );
+    }
+    return const QrCameraBootstrapResult(QrCameraBootstrapStatus.ready);
+  } catch (e) {
+    if (isQrPermissionError(e)) {
+      return QrCameraBootstrapResult(
+        QrCameraBootstrapStatus.permissionError,
+        errorDetail: e.toString(),
+      );
+    }
+    return QrCameraBootstrapResult(
+      QrCameraBootstrapStatus.cameraError,
+      errorDetail: e.toString(),
+    );
+  }
+}

userfront/lib/features/auth/presentation/qr_scan_route.dart

@@ -0,0 +1,17 @@
+import '../../../../core/i18n/locale_utils.dart';
+
+String buildQrApprovePath(
+  String scannedValue, {
+  String? localeCode,
+  Uri? currentUri,
+}) {
+  final value = scannedValue.trim();
+  final explicitLocale = localeCode?.trim();
+  final uri = currentUri ?? Uri.base;
+  final resolvedLocale = explicitLocale != null && explicitLocale.isNotEmpty
+      ? explicitLocale.toLowerCase().replaceAll('_', '-')
+      : normalizeLocaleCode(
+          extractLocaleFromPath(uri) ?? resolvePreferredLocaleCode(),
+        );
+  return '/$resolvedLocale/approve?ref=${Uri.encodeQueryComponent(value)}';
+}

userfront/lib/features/auth/presentation/qr_scan_screen.dart

@@ -1,30 +1,2 @@
-import 'package:flutter/material.dart';
+export 'qr_scan_screen_stub.dart'
-import 'package:go_router/go_router.dart';
+    if (dart.library.js_interop) 'qr_scan_screen_web.dart';
-import 'package:userfront/i18n.dart';
-
-class QRScanScreen extends StatefulWidget {
-  const QRScanScreen({super.key});
-
-  @override
-  State<QRScanScreen> createState() => _QRScanScreenState();
-}
-
-class _QRScanScreenState extends State<QRScanScreen> {
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: Text(tr('ui.userfront.qr.title', fallback: 'Scan QR Code')),
-        leading: IconButton(
-          icon: const Icon(Icons.arrow_back),
-          onPressed: () => context.pop(),
-        ),
-      ),
-      body: const Center(
-        child: Text(
-          'QR Scanner is temporarily disabled for WASM build stability.',
-        ),
-      ),
-    );
-  }
-}

userfront/lib/features/auth/presentation/qr_scan_screen_stub.dart

@@ -0,0 +1,86 @@
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:userfront/i18n.dart';
+
+import 'qr_scan_route.dart';
+
+class QRScanScreen extends StatefulWidget {
+  const QRScanScreen({super.key});
+
+  @override
+  State<QRScanScreen> createState() => _QRScanScreenState();
+}
+
+class _QRScanScreenState extends State<QRScanScreen> {
+  final TextEditingController _controller = TextEditingController();
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  void _submit() {
+    final raw = _controller.text.trim();
+    if (raw.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(
+            tr(
+              'msg.userfront.qr.permission_required',
+              fallback: '카메라 권한이 필요합니다.',
+            ),
+          ),
+        ),
+      );
+      return;
+    }
+    context.go(buildQrApprovePath(raw));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(tr('ui.userfront.qr.title', fallback: 'Scan QR Code')),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () => context.pop(),
+        ),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            Text(
+              tr(
+                'msg.userfront.qr.permission_error',
+                fallback: '카메라 권한 요청에 실패했습니다. 브라우저/OS 설정을 확인해주세요.',
+              ),
+            ),
+            const SizedBox(height: 12),
+            TextField(
+              key: const ValueKey('qr_scan_manual_input'),
+              controller: _controller,
+              decoration: const InputDecoration(
+                labelText: 'QR Payload',
+                hintText: 'https://.../ql/{ref} 또는 ref',
+              ),
+              onSubmitted: (_) => _submit(),
+            ),
+            const SizedBox(height: 12),
+            FilledButton.icon(
+              key: const ValueKey('qr_scan_submit_button'),
+              onPressed: _submit,
+              icon: const Icon(Icons.check_circle),
+              label: Text(
+                tr('ui.userfront.qr.result_success', fallback: '승인 화면으로 이동'),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

userfront/lib/features/auth/presentation/qr_scan_screen_web.dart

@@ -0,0 +1,238 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
+import 'package:userfront/i18n.dart';
+
+import 'qr_scan_route.dart';
+
+class QRScanScreen extends StatefulWidget {
+  const QRScanScreen({super.key});
+
+  @override
+  State<QRScanScreen> createState() => _QRScanScreenState();
+}
+
+class _QRScanScreenState extends State<QRScanScreen> {
+  final MobileScannerController _scannerController = MobileScannerController(
+    autoStart: true,
+    detectionSpeed: DetectionSpeed.noDuplicates,
+    facing: CameraFacing.back,
+    formats: const <BarcodeFormat>[BarcodeFormat.qrCode],
+  );
+  final TextEditingController _manualController = TextEditingController();
+
+  bool _isProcessing = false;
+  String? _error;
+  String? _status;
+
+  @override
+  void initState() {
+    super.initState();
+    _status = tr(
+      'msg.userfront.login.qr.scan_hint',
+      fallback: 'QR 코드를 카메라 중앙에 맞춰주세요.',
+    );
+  }
+
+  @override
+  void dispose() {
+    _manualController.dispose();
+    _scannerController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _navigateToApprove(String rawPayload) async {
+    final payload = rawPayload.trim();
+    if (payload.isEmpty || _isProcessing || !mounted) {
+      return;
+    }
+
+    setState(() {
+      _isProcessing = true;
+      _error = null;
+      _status = tr(
+        'ui.userfront.qr.result_success',
+        fallback: '승인 화면으로 이동 중...',
+      );
+    });
+
+    try {
+      await _scannerController.stop();
+    } catch (_) {}
+
+    if (!mounted) {
+      return;
+    }
+    context.go(buildQrApprovePath(payload));
+  }
+
+  void _onDetect(BarcodeCapture capture) {
+    for (final barcode in capture.barcodes) {
+      final raw = barcode.rawValue?.trim();
+      if (raw != null && raw.isNotEmpty) {
+        unawaited(_navigateToApprove(raw));
+        return;
+      }
+    }
+  }
+
+  String _toScannerErrorMessage(MobileScannerException error) {
+    switch (error.errorCode) {
+      case MobileScannerErrorCode.permissionDenied:
+        return tr(
+          'msg.userfront.qr.permission_error',
+          fallback: '카메라 권한 요청에 실패했습니다. 브라우저/OS 설정을 확인해주세요.',
+        );
+      case MobileScannerErrorCode.unsupported:
+        return tr(
+          'msg.userfront.qr.camera_error',
+          fallback: '카메라 오류: {{error}}',
+          params: {'error': 'QR scanner is not supported in this browser.'},
+        );
+      default:
+        final detail = error.errorDetails?.message;
+        return tr(
+          'msg.userfront.qr.camera_error',
+          fallback: '카메라 오류: {{error}}',
+          params: {'error': detail ?? error.errorCode.message},
+        );
+    }
+  }
+
+  void _submitManual() {
+    unawaited(_navigateToApprove(_manualController.text));
+  }
+
+  Future<void> _retry() async {
+    setState(() {
+      _isProcessing = false;
+      _error = null;
+      _status = tr(
+        'msg.userfront.login.qr.scan_hint',
+        fallback: 'QR 코드를 카메라 중앙에 맞춰주세요.',
+      );
+    });
+
+    try {
+      await _scannerController.start();
+    } catch (e) {
+      if (!mounted) {
+        return;
+      }
+      setState(() {
+        _error = tr(
+          'msg.userfront.qr.camera_error',
+          fallback: '카메라 오류: {{error}}',
+          params: {'error': '$e'},
+        );
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(tr('ui.userfront.qr.title', fallback: 'Scan QR Code')),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () => context.pop(),
+        ),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            AspectRatio(
+              aspectRatio: 3 / 4,
+              child: DecoratedBox(
+                decoration: BoxDecoration(
+                  color: Colors.black,
+                  borderRadius: BorderRadius.circular(12),
+                ),
+                child: ClipRRect(
+                  borderRadius: BorderRadius.circular(12),
+                  child: Stack(
+                    fit: StackFit.expand,
+                    children: [
+                      MobileScanner(
+                        controller: _scannerController,
+                        onDetect: _onDetect,
+                        errorBuilder: (context, error) {
+                          WidgetsBinding.instance.addPostFrameCallback((_) {
+                            if (!mounted) {
+                              return;
+                            }
+                            setState(() {
+                              _error = _toScannerErrorMessage(error);
+                            });
+                          });
+
+                          return Center(
+                            child: Padding(
+                              padding: const EdgeInsets.all(16),
+                              child: Text(
+                                _toScannerErrorMessage(error),
+                                textAlign: TextAlign.center,
+                                style: const TextStyle(color: Colors.white),
+                              ),
+                            ),
+                          );
+                        },
+                      ),
+                      if (_isProcessing)
+                        Container(
+                          color: Colors.black45,
+                          child: const Center(
+                            child: CircularProgressIndicator(),
+                          ),
+                        ),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+            const SizedBox(height: 12),
+            if (_status != null) Text(_status!, textAlign: TextAlign.center),
+            if (_error != null) ...[
+              const SizedBox(height: 8),
+              Text(
+                _error!,
+                textAlign: TextAlign.center,
+                style: const TextStyle(color: Colors.red),
+              ),
+            ],
+            const SizedBox(height: 12),
+            FilledButton.icon(
+              onPressed: _isProcessing ? null : _retry,
+              icon: const Icon(Icons.refresh),
+              label: Text(tr('ui.userfront.qr.rescan', fallback: '다시 스캔')),
+            ),
+            const SizedBox(height: 12),
+            TextField(
+              key: const ValueKey('qr_scan_manual_input'),
+              controller: _manualController,
+              decoration: const InputDecoration(
+                labelText: 'QR Payload',
+                hintText: 'https://.../ql/{ref} 또는 ref',
+              ),
+              onSubmitted: (_) => _submitManual(),
+            ),
+            const SizedBox(height: 8),
+            FilledButton.icon(
+              key: const ValueKey('qr_scan_submit_button'),
+              onPressed: _isProcessing ? null : _submitManual,
+              icon: const Icon(Icons.check_circle),
+              label: Text(
+                tr('ui.userfront.qr.result_success', fallback: '승인 화면으로 이동'),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

userfront/lib/features/auth/presentation/reset_password_screen.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
+import '../../../core/i18n/locale_utils.dart';
 import '../../../core/services/auth_proxy_service.dart';
 import 'package:userfront/i18n.dart';
 
@@ -89,7 +90,7 @@ class _ResetPasswordScreenState extends State<ResetPasswordScreen> {
             backgroundColor: Colors.green,
           ),
         );
-        context.go('/signin');
+        context.go(buildLocalizedSigninPath(Uri.base));
       }
     } catch (e) {
       if (mounted) {

userfront/lib/features/auth/presentation/signup_screen.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:go_router/go_router.dart';
 import 'package:userfront/i18n.dart';
+import '../../../core/i18n/locale_utils.dart';
 import '../../../core/services/auth_proxy_service.dart';
 
 class SignupScreen extends StatefulWidget {
@@ -345,7 +346,7 @@ class _SignupScreenState extends State<SignupScreen> {
         content: Text(tr('msg.userfront.signup.success.body')),
         actions: [
           TextButton(
-            onPressed: () => context.go('/signin'),
+            onPressed: () => context.go(buildLocalizedSigninPath(Uri.base)),
             child: Text(tr('ui.userfront.signup.success.action')),
           ),
         ],

userfront/lib/features/dashboard/domain/dashboard_providers.dart

@@ -133,7 +133,8 @@ class AuthTimelineNotifier extends Notifier<AuthTimelineState> {
     if (state.isLoading || state.isLoadingMore) {
       return;
     }
-    if (state.nextCursor == null || state.nextCursor!.isEmpty) {
+    final nextCursor = state.nextCursor;
+    if (nextCursor == null || nextCursor.isEmpty) {
       return;
     }
     state = state.copyWith(isLoadingMore: true, error: null);

userfront/lib/features/dashboard/presentation/dashboard_screen.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:convert';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -7,6 +8,7 @@ import 'package:url_launcher/url_launcher.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
 import '../domain/providers/linked_rps_provider.dart';
 import '../../../../core/notifiers/auth_notifier.dart';
+import '../../../../core/services/auth_proxy_service.dart';
 import '../../../../core/services/auth_token_store.dart';
 import '../../../../core/services/http_client.dart';
 import '../../../../core/i18n/locale_utils.dart';
@@ -38,6 +40,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
   bool _auditLoadingMore = false;
   bool _isRevoking = false;
   bool _redirectingToSignin = false;
+  bool _authBootstrapInProgress = false;
 
   bool _showAllActivities = false;
   final Set<String> _revokedClientIds = {};
@@ -47,11 +50,10 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
     super.initState();
     _pageScrollController.addListener(_onPageScroll);
     WidgetsBinding.instance.addPostFrameCallback((_) {
-      if (!_isLoggedIn()) {
+      if (!mounted) {
-        _redirectToSignin();
         return;
       }
-      _loadAuditLogs(reset: true);
+      unawaited(_bootstrapAuthAndLoad());
     });
   }
 
@@ -254,7 +256,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
                     if (closeOnTap) {
                       Navigator.of(context).pop();
                     }
-                    context.go('/');
+                    context.go(buildLocalizedHomePath(Uri.base));
                   },
                 ),
                 ListTile(
@@ -302,8 +304,11 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
 
   Future<void> _refreshAll() async {
     if (!_isLoggedIn()) {
-      _redirectToSignin();
+      final recovered = await _recoverSessionFromCookie();
-      return;
+      if (!recovered) {
+        _redirectToSignin();
+        return;
+      }
     }
     await ref.read(profileProvider.notifier).loadProfile();
     setState(() {
@@ -372,7 +377,8 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
     if (_auditLoading || _auditLoadingMore) {
       return;
     }
-    if (!reset && (_auditNextCursor == null || _auditNextCursor!.isEmpty)) {
+    final nextCursor = _auditNextCursor;
+    if (!reset && (nextCursor == null || nextCursor.isEmpty)) {
       return;
     }
 
@@ -706,109 +712,133 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
 
   @override
   Widget build(BuildContext context) {
-    if (!_isLoggedIn()) {
+    try {
-      _redirectToSignin();
+      if (!_isLoggedIn()) {
-      return const SizedBox.shrink();
+        _redirectToSignin();
-    }
+        return const SizedBox.shrink();
-    final isWide = MediaQuery.of(context).size.width >= sideMenuBreakpoint;
+      }
-    final profileState = ref.watch(profileProvider);
+      final isWide = MediaQuery.of(context).size.width >= sideMenuBreakpoint;
-    final profile = profileState.value;
+      final profileState = ref.watch(profileProvider);
-    final timelineState = ref.watch(authTimelineProvider);
+      final profile = profileState.value;
-    final userName =
+      final timelineState = ref.watch(authTimelineProvider);
-        profile?.name ??
+      final userName =
-        profile?.email ??
+          profile?.name ??
-        profile?.phone ??
+          profile?.email ??
-        tr('ui.userfront.profile.user_fallback', fallback: 'User');
+          profile?.phone ??
-    final department = profile?.department.isNotEmpty == true
+          tr('ui.userfront.profile.user_fallback', fallback: 'User');
-        ? profile!.department
+      final departmentValue = profile?.department ?? '';
-        : tr('ui.userfront.profile.department_empty');
+      final department = departmentValue.isNotEmpty
-    final sessionIssuedAt = _getJwtIssuedAt();
+          ? departmentValue
+          : tr('ui.userfront.profile.department_empty');
+      final sessionIssuedAt = _getJwtIssuedAt();
 
-    return Scaffold(
+      return Scaffold(
-      backgroundColor: _subtle,
+        backgroundColor: _subtle,
-      appBar: AppBar(
+        appBar: AppBar(
-        title: Text(
+          title: Text(
-          tr('ui.userfront.app_title'),
+            tr('ui.userfront.app_title'),
-          style: TextStyle(fontWeight: FontWeight.bold),
+            style: const TextStyle(fontWeight: FontWeight.bold),
-        ),
-        elevation: 0,
-        backgroundColor: _surface,
-        foregroundColor: Colors.black,
-        actions: [
-          IconButton(
-            icon: const Icon(Icons.person_outline),
-            tooltip: tr('ui.userfront.nav.profile'),
-            onPressed: () => context.push('/profile'),
           ),
-          IconButton(
+          elevation: 0,
-            icon: const Icon(Icons.qr_code_scanner),
+          backgroundColor: _surface,
-            tooltip: tr('ui.userfront.nav.qr_scan'),
+          foregroundColor: Colors.black,
-            onPressed: _onScanQR,
+          actions: [
-          ),
+            IconButton(
-          IconButton(
+              icon: const Icon(Icons.person_outline),
-            icon: const Icon(Icons.logout),
+              tooltip: tr('ui.userfront.nav.profile'),
-            tooltip: tr('ui.userfront.nav.logout'),
+              onPressed: () => context.push('/profile'),
-            onPressed: _logout,
-          ),
-        ],
-      ),
-      drawer: isWide
-          ? null
-          : Drawer(child: _buildSideMenu(context, closeOnTap: true)),
-      body: Row(
-        children: [
-          if (isWide)
-            SizedBox(
-              width: 240,
-              child: _buildSideMenu(context, closeOnTap: false),
             ),
-          Expanded(
+            IconButton(
-            child: RefreshIndicator(
+              icon: const Icon(Icons.qr_code_scanner),
-              onRefresh: _refreshAll,
+              tooltip: tr('ui.userfront.nav.qr_scan'),
-              child: LayoutBuilder(
+              onPressed: _onScanQR,
-                builder: (context, constraints) {
+            ),
-                  final timelineWide = constraints.maxWidth >= 900;
+            IconButton(
-                  final isMobile = constraints.maxWidth < 600;
+              icon: const Icon(Icons.logout),
-                  return SingleChildScrollView(
+              tooltip: tr('ui.userfront.nav.logout'),
-                    controller: _pageScrollController,
+              onPressed: _logout,
-                    physics: const AlwaysScrollableScrollPhysics(),
+            ),
-                    child: Padding(
+          ],
-                      padding: const EdgeInsets.all(24),
+        ),
-                      child: Column(
+        drawer: isWide
-                        crossAxisAlignment: CrossAxisAlignment.start,
+            ? null
-                        children: [
+            : Drawer(child: _buildSideMenu(context, closeOnTap: true)),
-                          if (!isMobile) ...[
+        body: Row(
-                            _buildHeaderCard(
+          children: [
-                              userName,
+            if (isWide)
-                              department,
+              SizedBox(
-                              sessionIssuedAt,
+                width: 240,
+                child: _buildSideMenu(context, closeOnTap: false),
+              ),
+            Expanded(
+              child: RefreshIndicator(
+                onRefresh: _refreshAll,
+                child: LayoutBuilder(
+                  builder: (context, constraints) {
+                    final timelineWide = constraints.maxWidth >= 900;
+                    final isMobile = constraints.maxWidth < 600;
+                    return SingleChildScrollView(
+                      controller: _pageScrollController,
+                      physics: const AlwaysScrollableScrollPhysics(),
+                      child: Padding(
+                        padding: const EdgeInsets.all(24),
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            if (!isMobile) ...[
+                              _buildHeaderCard(
+                                userName,
+                                department,
+                                sessionIssuedAt,
+                              ),
+                              const SizedBox(height: 28),
+                            ],
+                            _buildSectionTitle(
+                              tr('ui.userfront.sections.apps'),
+                              tr('msg.userfront.sections.apps_subtitle'),
                             ),
+                            const SizedBox(height: 12),
+                            _buildActivitySection(isMobile),
                             const SizedBox(height: 28),
+                            _buildSectionTitle(
+                              tr('ui.userfront.sections.audit'),
+                              tr('msg.userfront.sections.audit_subtitle'),
+                            ),
+                            const SizedBox(height: 12),
+                            _buildAccessHistory(timelineState, timelineWide),
                           ],
-                          _buildSectionTitle(
+                        ),
-                            tr('ui.userfront.sections.apps'),
-                            tr('msg.userfront.sections.apps_subtitle'),
-                          ),
-                          const SizedBox(height: 12),
-                          _buildActivitySection(isMobile),
-                          const SizedBox(height: 28),
-                          _buildSectionTitle(
-                            tr('ui.userfront.sections.audit'),
-                            tr('msg.userfront.sections.audit_subtitle'),
-                          ),
-                          const SizedBox(height: 12),
-                          _buildAccessHistory(timelineState, timelineWide),
-                        ],
                       ),
-                    ),
+                    );
-                  );
+                  },
-                },
+                ),
               ),
             ),
+          ],
+        ),
+      );
+    } catch (error, stackTrace) {
+      AuthProxyService.logError(
+        'DASHBOARD_RENDER_ERROR: $error\nuri=${Uri.base}',
+        error: error,
+        stackTrace: stackTrace,
+      );
+      return Scaffold(
+        backgroundColor: _subtle,
+        body: Center(
+          child: Padding(
+            padding: const EdgeInsets.all(24),
+            child: Text(
+              tr(
+                'msg.userfront.dashboard.render_error',
+                fallback: '대시보드 렌더링 중 오류가 발생했습니다. 다시 시도해 주세요.',
+              ),
+              textAlign: TextAlign.center,
+            ),
           ),
-        ],
+        ),
-      ),
+      );
-    );
+    }
   }
 
   Widget _buildHeaderCard(
@@ -973,8 +1003,9 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
           normalizedStatus == 'active' || normalizedStatus == '';
       final isRevoked = !isActiveInApi;
 
-      final lastAuthLabel = rp.lastAuthenticatedAt != null
+      final lastAuthAt = rp.lastAuthenticatedAt;
-          ? _formatDateTime(rp.lastAuthenticatedAt!)
+      final lastAuthLabel = lastAuthAt != null
+          ? _formatDateTime(lastAuthAt)
           : tr('ui.userfront.dashboard.activity.linked');
 
       final statusCode = isRevoked ? 'revoked' : 'active';
@@ -1004,8 +1035,10 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
       if (!aActive && bActive) return 1;
 
       // 둘 다 활성이거나 둘 다 비활성인 경우 최근 인증순 내림차순
-      if (a.lastAuthDateTime != null && b.lastAuthDateTime != null) {
+      final aLastAuth = a.lastAuthDateTime;
-        return b.lastAuthDateTime!.compareTo(a.lastAuthDateTime!);
+      final bLastAuth = b.lastAuthDateTime;
+      if (aLastAuth != null && bLastAuth != null) {
+        return bLastAuth.compareTo(aLastAuth);
       }
       if (a.lastAuthDateTime != null) return -1;
       if (b.lastAuthDateTime != null) return 1;
@@ -1045,7 +1078,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
         }
 
         // 카드의 너비를 화면 너비에 맞춰 계산 (여백 고려)
-        final double spacing = 12.0;
+        const spacing = 12.0;
         final double cardWidth =
             (maxWidth - (spacing * (crossAxisCount - 1))) / crossAxisCount;
 
@@ -1145,16 +1178,16 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
               Container(
                 padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                 decoration: BoxDecoration(
-                  color: statusColor.withValues(alpha: 31),
+                  color: statusColor,
                   borderRadius: BorderRadius.circular(999),
                 ),
                 child: Text(
                   item.status == 'active'
-                      ? tr('ui.common.status.active')
+                      ? tr('ui.userfront.dashboard.activity.linked')
                       : tr('ui.userfront.dashboard.status.revoked'),
-                  style: TextStyle(
+                  style: const TextStyle(
                     fontSize: 11,
-                    color: statusColor,
+                    color: Colors.white,
                     fontWeight: FontWeight.w600,
                   ),
                 ),
@@ -1244,8 +1277,9 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
         child: GestureDetector(
           onTap: () async {
             final messenger = ScaffoldMessenger.of(context);
-            if (item.url != null && item.url!.isNotEmpty) {
+            final itemUrl = item.url;
-              final uri = Uri.parse(item.url!);
+            if (itemUrl != null && itemUrl.isNotEmpty) {
+              final uri = Uri.parse(itemUrl);
               final canOpen = await canLaunchUrl(uri);
               if (!mounted) return;
               if (canOpen) {
@@ -1568,7 +1602,8 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
         ),
       );
     }
-    if (state.nextCursor == null || state.nextCursor!.isEmpty) {
+    final nextCursor = state.nextCursor;
+    if (nextCursor == null || nextCursor.isEmpty) {
       return Padding(
         padding: const EdgeInsets.only(top: 8),
         child: Text(
@@ -1581,7 +1616,8 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
   }
 
   bool _isLoggedIn() {
-    return AuthTokenStore.getToken() != null || AuthTokenStore.usesCookie();
+    final token = AuthTokenStore.getToken();
+    return (token != null && token.isNotEmpty) || AuthTokenStore.usesCookie();
   }
 
   void _redirectToSignin() {
@@ -1593,13 +1629,60 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
       if (!mounted) {
         return;
       }
-      final uri = GoRouterState.of(context).uri;
+      Uri uri;
+      try {
+        uri = GoRouterState.of(context).uri;
+      } catch (_) {
+        uri = Uri.base;
+      }
       final localeCode =
           extractLocaleFromPath(uri) ?? resolvePreferredLocaleCode();
       context.go('/$localeCode/signin');
       _redirectingToSignin = false;
     });
   }
+
+  Future<void> _bootstrapAuthAndLoad() async {
+    if (!mounted || _authBootstrapInProgress) {
+      return;
+    }
+    _authBootstrapInProgress = true;
+    try {
+      var authenticated = _isLoggedIn();
+      if (!authenticated) {
+        authenticated = await _recoverSessionFromCookie();
+      }
+      if (!mounted) {
+        return;
+      }
+      if (!authenticated) {
+        _redirectToSignin();
+        return;
+      }
+      await _loadAuditLogs(reset: true);
+    } finally {
+      _authBootstrapInProgress = false;
+    }
+  }
+
+  Future<bool> _recoverSessionFromCookie() async {
+    try {
+      await AuthProxyService.checkCookieSession();
+      final provider =
+          AuthTokenStore.getProvider() ??
+          AuthTokenStore.getPendingProvider() ??
+          'ory';
+      AuthTokenStore.setCookieMode(provider: provider);
+      AuthTokenStore.clearPendingProvider();
+      AuthNotifier.instance.notify();
+      try {
+        await ref.read(profileProvider.notifier).loadProfile();
+      } catch (_) {}
+      return true;
+    } catch (_) {
+      return false;
+    }
+  }
 }
 
 class _ActivityItem {

userfront/lib/features/profile/presentation/pages/profile_page.dart

@@ -3,6 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:userfront/i18n.dart';
 import '../../../../core/notifiers/auth_notifier.dart';
+import '../../../../core/i18n/locale_utils.dart';
 import '../../../../core/services/auth_token_store.dart';
 import '../../../../core/ui/layout_breakpoints.dart';
 import '../../../../core/widgets/language_selector.dart';
@@ -509,7 +510,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
               ListTile(
                 leading: const Icon(Icons.home_outlined),
                 title: Text(tr('ui.userfront.nav.dashboard')),
-                onTap: () => context.go('/'),
+                onTap: () => context.go(buildLocalizedHomePath(Uri.base)),
               ),
               ListTile(
                 leading: const Icon(Icons.person_outline),
@@ -1092,7 +1093,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
           IconButton(
             icon: const Icon(Icons.home_outlined),
             tooltip: tr('ui.userfront.nav.dashboard'),
-            onPressed: () => context.go('/'),
+            onPressed: () => context.go(buildLocalizedHomePath(Uri.base)),
           ),
           IconButton(
             icon: const Icon(Icons.qr_code_scanner),

userfront/lib/main.dart

@@ -14,12 +14,15 @@ import 'features/auth/presentation/qr_scan_screen.dart';
 import 'features/auth/presentation/forgot_password_screen.dart';
 import 'features/auth/presentation/reset_password_screen.dart';
 import 'features/auth/presentation/error_screen.dart';
+import 'features/auth/domain/login_link_route_policy.dart';
 import 'features/dashboard/presentation/dashboard_screen.dart';
 import 'features/admin/presentation/user_management_screen.dart';
 import 'features/profile/presentation/pages/profile_page.dart';
 import 'core/services/auth_proxy_service.dart';
 import 'core/services/auth_token_store.dart';
 import 'core/services/logger_service.dart';
+import 'core/services/null_check_recovery.dart';
+import 'core/services/web_window.dart';
 import 'core/notifiers/auth_notifier.dart';
 import 'core/i18n/locale_gate.dart';
 import 'core/i18n/locale_registry.dart';
@@ -31,6 +34,29 @@ import 'i18n.dart';
 
 final _log = Logger('Main');
 
+void _attemptRecoveryFromNullCheck({
+  required Object exception,
+  StackTrace? stackTrace,
+}) {
+  final uri = Uri.base;
+  final target = computeNullCheckRecoveryTarget(
+    exception: exception,
+    uri: uri,
+    preferredLocaleCode: resolvePreferredLocaleCode(),
+  );
+  if (target == null) {
+    return;
+  }
+  final path = uri.path;
+
+  AuthProxyService.logError(
+    'RECOVERY_NAV_NULL_CHECK path=$path target=$target uri=$uri',
+    error: exception,
+    stackTrace: stackTrace,
+  );
+  webWindow.redirectTo(target);
+}
+
 Future<void> _loadBundledFonts() async {
   const family = 'NotoSansKR';
   final loader = FontLoader(family);
@@ -57,11 +83,16 @@ void main() async {
     AuthProxyService.logError(
       "FLUTTER_ERROR: ${details.exception}\n${details.stack}",
     );
+    _attemptRecoveryFromNullCheck(
+      exception: details.exception,
+      stackTrace: details.stack,
+    );
   };
 
   PlatformDispatcher.instance.onError = (error, stack) {
     _log.severe("PLATFORM_ERROR", error, stack);
     AuthProxyService.logError("PLATFORM_ERROR: $error\n$stack");
+    _attemptRecoveryFromNullCheck(exception: error, stackTrace: stack);
     return true;
   };
 
@@ -107,6 +138,15 @@ final _router = GoRouter(
   debugLogDiagnostics: !kReleaseMode,
   refreshListenable: AuthNotifier.instance,
   routes: [
+    GoRoute(
+      path: '/',
+      redirect: (context, state) {
+        return buildLocalizedHomePath(
+          state.uri,
+          preferredLocaleCode: resolvePreferredLocaleCode(),
+        );
+      },
+    ),
     ShellRoute(
       builder: (context, state, child) {
         final localeCode =
@@ -116,10 +156,25 @@ final _router = GoRouter(
       routes: [
         GoRoute(
           path: '/:locale',
-          // Note: Removed direct builder here to prevent interference with sub-routes
+          redirect: (context, state) {
+            // /{locale} 진입은 화면 렌더링 없이 단일 목적지로만 보냅니다.
+            if (state.uri.pathSegments.length != 1) {
+              return null;
+            }
+            final rawLocale = state.pathParameters['locale'];
+            final localeCode = normalizeLocaleCode(rawLocale);
+            final token = AuthTokenStore.getToken();
+            final isLoggedIn =
+                (token != null && token.isNotEmpty) ||
+                AuthTokenStore.usesCookie();
+            if (!isLoggedIn) {
+              return buildSigninRedirectPath(localeCode, state.uri);
+            }
+            return '/$localeCode/dashboard';
+          },
           routes: [
             GoRoute(
-              path: '', // Matches /:locale
+              path: 'dashboard',
               builder: (context, state) {
                 return const DashboardScreen();
               },
@@ -274,34 +329,23 @@ final _router = GoRouter(
         (token != null && token.isNotEmpty) || AuthTokenStore.usesCookie();
     final path = stripLocalePath(uri);
 
-    // Precise public path detection
+    final isPublicPath = isPublicAuthPath(path, uri);
-    final isPublicPath =
-        path == '/signin' ||
-        path == '/signup' ||
-        path == '/login' ||
-        path == '/registration' ||
-        path == '/verify' ||
-        path == '/verification' ||
-        path.startsWith('/verify/') ||
-        path == '/approve' ||
-        path.startsWith('/ql/') ||
-        path == '/forgot-password' ||
-        path == '/recovery' ||
-        path == '/reset-password' ||
-        path == '/error' ||
-        path == '/settings' ||
-        path == '/consent' ||
-        path.startsWith('/consent/') ||
-        uri.path.contains('/consent');
 
     if (isPublicPath) {
       return null;
     }
 
     if (!isLoggedIn) {
+      if (path == '/') {
+        return '/$requestedLocale/signin';
+      }
       return buildSigninRedirectPath(requestedLocale, uri);
     }
 
+    if (path == '/') {
+      return '/$requestedLocale/dashboard';
+    }
+
     return null;
   },
 );
@@ -311,11 +355,21 @@ class BaronSSOApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final localization = EasyLocalization.of(context);
+    final supportedLocales =
+        localization?.supportedLocales ??
+        LocaleRegistry.supportedLocaleCodes
+            .map((code) => Locale(code))
+            .toList(growable: false);
+    final delegates = localization?.delegates ?? const [];
+    final locale =
+        localization?.currentLocale ?? Locale(resolvePreferredLocaleCode());
+
     return MaterialApp.router(
       title: tr('ui.userfront.app_title'),
-      localizationsDelegates: context.localizationDelegates,
+      localizationsDelegates: delegates,
-      supportedLocales: context.supportedLocales,
+      supportedLocales: supportedLocales,
-      locale: context.locale,
+      locale: locale,
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(
           seedColor: const Color(0xFF1A1F2C), // Dark Navy/Black base

userfront/pubspec.lock

@@ -45,10 +45,10 @@ packages:
     dependency: transitive
     description:
       name: characters
-      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.1"
+    version: "1.4.0"
   cli_config:
     dependency: transitive
     description:
@@ -268,6 +268,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: "53385261521cc4a0c4658fd0ad07a7d14591cf8fc33abbceae306ddb974888dc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -320,18 +328,18 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: "12956d0ad8390bbcc63ca2e1469c0619946ccb52809807067a7020d57e647aa6"
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.18"
+    version: "0.12.17"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
       url: "https://pub.dev"
     source: hosted
-    version: "0.13.0"
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
@@ -348,6 +356,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
+  mobile_scanner:
+    dependency: "direct main"
+    description:
+      name: mobile_scanner
+      sha256: c92c26bf2231695b6d3477c8dcf435f51e28f87b1745966b1fe4c47a286171ce
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.2.0"
   node_preamble:
     dependency: transitive
     description:
@@ -637,26 +653,26 @@ packages:
     dependency: transitive
     description:
       name: test
-      sha256: "54c516bbb7cee2754d327ad4fca637f78abfc3cbcc5ace83b3eda117e42cd71a"
+      sha256: "75906bf273541b676716d1ca7627a17e4c4070a3a16272b7a3dc7da3b9f3f6b7"
       url: "https://pub.dev"
     source: hosted
-    version: "1.29.0"
+    version: "1.26.3"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: "93167629bfc610f71560ab9312acdda4959de4df6fac7492c89ff0d3886f6636"
+      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.9"
+    version: "0.7.7"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      sha256: "394f07d21f0f2255ec9e3989f21e54d3c7dc0e6e9dbce160e5a9c1a6be0e2943"
+      sha256: "0cc24b5ff94b38d2ae73e1eb43cc302b77964fbf67abad1e296025b78deb53d0"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.15"
+    version: "0.6.12"
   toml:
     dependency: "direct main"
     description:

userfront/pubspec.yaml

@@ -44,6 +44,7 @@ dependencies:
     logging: ^1.2.0
     logger: ^2.0.0
     qr_flutter: ^4.1.0
+    mobile_scanner: ^7.1.4
     easy_localization: ^3.0.7
     toml: ^0.15.0
     web: ^1.1.0

userfront/test/cookie_session_policy_test.dart

@@ -0,0 +1,40 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/domain/cookie_session_policy.dart';
+
+void main() {
+  group('cookie_session_policy', () {
+    test('토큰이 없고 login_challenge도 없으면 cookie 승격 허용', () {
+      expect(
+        shouldPromoteCookieSession(currentToken: null, loginChallenge: null),
+        isTrue,
+      );
+    });
+
+    test('토큰이 이미 있으면 일반 로그인에서 cookie 승격 차단', () {
+      expect(
+        shouldPromoteCookieSession(
+          currentToken: 'existing-token',
+          loginChallenge: null,
+        ),
+        isFalse,
+      );
+    });
+
+    test('OIDC login_challenge가 있으면 token 존재 시에도 cookie 승격 허용', () {
+      expect(
+        shouldPromoteCookieSession(
+          currentToken: 'existing-token',
+          loginChallenge: 'lc_123',
+        ),
+        isTrue,
+      );
+    });
+
+    test('공백 토큰은 유효 토큰으로 간주하지 않음', () {
+      expect(
+        shouldPromoteCookieSession(currentToken: '   ', loginChallenge: null),
+        isTrue,
+      );
+    });
+  });
+}

userfront/test/dashboard_screen_smoke_test.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/core/services/auth_token_store.dart';
+import 'package:userfront/features/dashboard/presentation/dashboard_screen.dart';
+
+void main() {
+  setUp(() {
+    AuthTokenStore.clear();
+  });
+
+  tearDown(() {
+    AuthTokenStore.clear();
+  });
+
+  testWidgets('대시보드는 로그인 토큰이 있으면 크래시 없이 기본 프레임을 렌더링한다', (tester) async {
+    final recordedErrors = <FlutterErrorDetails>[];
+    final previousOnError = FlutterError.onError;
+    FlutterError.onError = (details) {
+      final text = details.exceptionAsString();
+      if (text.contains('A RenderFlex overflowed')) {
+        return;
+      }
+      recordedErrors.add(details);
+    };
+    addTearDown(() {
+      FlutterError.onError = previousOnError;
+    });
+
+    tester.view.devicePixelRatio = 1.0;
+    tester.view.physicalSize = const Size(1920, 1080);
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+
+    AuthTokenStore.setToken('smoke-token', provider: 'ory');
+
+    await tester.pumpWidget(
+      const ProviderScope(child: MaterialApp(home: DashboardScreen())),
+    );
+    await tester.pump();
+
+    expect(find.byType(Scaffold), findsOneWidget);
+    final hasNullCheckCrash = recordedErrors.any(
+      (error) => error.exceptionAsString().contains(
+        'Null check operator used on a null value',
+      ),
+    );
+    expect(hasNullCheckCrash, isFalse);
+  });
+}

userfront/test/locale_utils_test.dart

@@ -127,5 +127,32 @@ void main() {
         '/ko/signin?redirect_url=https%3A%2F%2Fa.example.com%2Fcb&redirect_uri=https%3A%2F%2Fb.example.com%2Fcb',
       );
     });
+
+    test('buildLocalizedHomePath keeps locale from uri', () {
+      expect(buildLocalizedHomePath(Uri.parse('/ko/signin')), '/ko/dashboard');
+      expect(buildLocalizedHomePath(Uri.parse('/en/profile')), '/en/dashboard');
+    });
+
+    test('buildLocalizedHomePath falls back to preferred locale', () {
+      expect(
+        buildLocalizedHomePath(Uri.parse('/signin'), preferredLocaleCode: 'ko'),
+        '/ko/dashboard',
+      );
+    });
+
+    test('buildLocalizedSigninPath keeps locale from uri', () {
+      expect(buildLocalizedSigninPath(Uri.parse('/ko')), '/ko/signin');
+      expect(buildLocalizedSigninPath(Uri.parse('/en/profile')), '/en/signin');
+    });
+
+    test('buildLocalizedSigninPath falls back to preferred locale', () {
+      expect(
+        buildLocalizedSigninPath(
+          Uri.parse('/profile'),
+          preferredLocaleCode: 'ko',
+        ),
+        '/ko/signin',
+      );
+    });
   });
 }

userfront/test/login_link_route_policy_test.dart

@@ -0,0 +1,33 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/core/i18n/locale_registry.dart';
+import 'package:userfront/features/auth/domain/login_link_route_policy.dart';
+
+void main() {
+  group('login_link_route_policy', () {
+    setUp(() {
+      LocaleRegistry.setSupportedLocaleCodesForTest(['ko', 'en']);
+    });
+
+    tearDown(() {
+      LocaleRegistry.resetForTest();
+    });
+
+    test('extracts short code from plain short-code route', () {
+      final shortCode = extractLoginShortCode(Uri.parse('/l/AB123456'));
+      expect(shortCode, 'AB123456');
+    });
+
+    test('extracts short code from localized short-code route', () {
+      final shortCode = extractLoginShortCode(Uri.parse('/ko/l/AB123456'));
+      expect(shortCode, 'AB123456');
+    });
+
+    test('treats localized short-code route as public path', () {
+      final isPublic = isPublicAuthPath(
+        '/l/AB123456',
+        Uri.parse('/ko/l/AB123456'),
+      );
+      expect(isPublic, isTrue);
+    });
+  });
+}

userfront/test/login_navigation_race_test.dart

@@ -0,0 +1,94 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:go_router/go_router.dart';
+import 'package:userfront/core/i18n/locale_registry.dart';
+import 'package:userfront/core/i18n/locale_utils.dart';
+import 'package:userfront/core/services/auth_token_store.dart';
+
+class _AuthRefreshNotifier extends ChangeNotifier {
+  void refresh() => notifyListeners();
+}
+
+Widget _buildRaceTestApp(_AuthRefreshNotifier notifier) {
+  final router = GoRouter(
+    initialLocation: '/ko/signin',
+    refreshListenable: notifier,
+    routes: [
+      GoRoute(
+        path: '/:locale',
+        builder: (context, state) => const Scaffold(body: Text('locale-root')),
+        routes: [
+          GoRoute(
+            path: 'dashboard',
+            builder: (context, state) => const Scaffold(body: Text('home')),
+          ),
+          GoRoute(
+            path: 'signin',
+            builder: (context, state) {
+              return Scaffold(
+                body: Center(
+                  child: FilledButton(
+                    onPressed: () {
+                      AuthTokenStore.setToken('race-token', provider: 'ory');
+                      notifier.refresh();
+                      context.go('/ko/dashboard');
+                    },
+                    child: const Text('login'),
+                  ),
+                ),
+              );
+            },
+          ),
+        ],
+      ),
+    ],
+    redirect: (context, state) {
+      final requestedLocale = extractLocaleFromPath(state.uri);
+      if (requestedLocale == null) {
+        return buildLocalizedPath(resolvePreferredLocaleCode(), state.uri);
+      }
+
+      final token = AuthTokenStore.getToken();
+      final isLoggedIn =
+          (token != null && token.isNotEmpty) || AuthTokenStore.usesCookie();
+      final path = stripLocalePath(state.uri);
+      if (path == '/signin') {
+        return null;
+      }
+      if (!isLoggedIn) {
+        return buildSigninRedirectPath(requestedLocale, state.uri);
+      }
+      if (path == '/') {
+        return '/$requestedLocale/dashboard';
+      }
+      return null;
+    },
+  );
+
+  return MaterialApp.router(routerConfig: router);
+}
+
+void main() {
+  setUp(() {
+    LocaleRegistry.setSupportedLocaleCodesForTest(['en', 'ko']);
+    AuthTokenStore.clear();
+  });
+
+  tearDown(() {
+    AuthTokenStore.clear();
+    LocaleRegistry.resetForTest();
+  });
+
+  testWidgets('로그인 성공 이벤트(notify + go) 동시 호출 시 홈으로 안정적으로 이동', (tester) async {
+    final notifier = _AuthRefreshNotifier();
+    await tester.pumpWidget(_buildRaceTestApp(notifier));
+    await tester.pumpAndSettle();
+    expect(find.text('login'), findsOneWidget);
+
+    await tester.tap(find.text('login'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('home'), findsOneWidget);
+    expect(tester.takeException(), isNull);
+  });
+}

userfront/test/null_check_recovery_test.dart

@@ -0,0 +1,63 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/core/i18n/locale_registry.dart';
+import 'package:userfront/core/services/null_check_recovery.dart';
+
+void main() {
+  setUp(() {
+    LocaleRegistry.setSupportedLocaleCodesForTest(['en', 'ko']);
+  });
+
+  tearDown(() {
+    LocaleRegistry.resetForTest();
+  });
+
+  test('Null check 오류 + 루트(/)면 선호 로케일 signin으로 복구', () {
+    final target = computeNullCheckRecoveryTarget(
+      exception: Exception('Null check operator used on a null value'),
+      uri: Uri.parse('https://sss.hmac.kr/'),
+      preferredLocaleCode: 'ko',
+    );
+
+    expect(target, '/ko/signin');
+  });
+
+  test('Null check 오류 + /ko면 /ko/signin으로 복구', () {
+    final target = computeNullCheckRecoveryTarget(
+      exception: Exception('Null check operator used on a null value'),
+      uri: Uri.parse('https://sss.hmac.kr/ko'),
+      preferredLocaleCode: 'en',
+    );
+
+    expect(target, '/ko/signin');
+  });
+
+  test('이미 /ko/signin이면 복구 이동하지 않음', () {
+    final target = computeNullCheckRecoveryTarget(
+      exception: Exception('Null check operator used on a null value'),
+      uri: Uri.parse('https://sss.hmac.kr/ko/signin'),
+      preferredLocaleCode: 'ko',
+    );
+
+    expect(target, isNull);
+  });
+
+  test('Null check 오류여도 /ko/profile에서는 복구 이동하지 않음', () {
+    final target = computeNullCheckRecoveryTarget(
+      exception: Exception('Null check operator used on a null value'),
+      uri: Uri.parse('https://sss.hmac.kr/ko/profile'),
+      preferredLocaleCode: 'ko',
+    );
+
+    expect(target, isNull);
+  });
+
+  test('다른 오류 메시지면 복구 이동하지 않음', () {
+    final target = computeNullCheckRecoveryTarget(
+      exception: Exception('Some other error'),
+      uri: Uri.parse('https://sss.hmac.kr/ko'),
+      preferredLocaleCode: 'ko',
+    );
+
+    expect(target, isNull);
+  });
+}

userfront/test/qr_camera_bootstrap_policy_test.dart

@@ -0,0 +1,67 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/presentation/qr_camera_bootstrap_policy.dart';
+
+void main() {
+  group('bootstrapQrCamera', () {
+    test('권한 허용 후 카메라 실행 성공 시 ready 상태를 반환한다', () async {
+      var stopCalled = false;
+
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: true,
+        openCameraAndPlay: () async {},
+        stopCamera: () async {
+          stopCalled = true;
+        },
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.ready);
+      expect(stopCalled, isFalse);
+    });
+
+    test('권한 허용 후 play 단계 오류는 cameraError로 분류한다', () async {
+      var stopCalled = false;
+
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: true,
+        openCameraAndPlay: () async {
+          throw Exception('NotReadableError: Could not start video source');
+        },
+        stopCamera: () async {
+          stopCalled = true;
+        },
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.cameraError);
+      expect(result.errorDetail, contains('NotReadableError'));
+      expect(stopCalled, isFalse);
+    });
+
+    test('권한 거부 오류는 permissionError로 분류한다', () async {
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: true,
+        openCameraAndPlay: () async {
+          throw Exception('NotAllowedError: Permission denied');
+        },
+        stopCamera: () async {},
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.permissionError);
+      expect(result.errorDetail, contains('NotAllowedError'));
+    });
+
+    test('detector 미지원이면 카메라를 정리하고 detectorUnsupported를 반환한다', () async {
+      var stopCalled = false;
+
+      final result = await bootstrapQrCamera(
+        hasBarcodeDetector: false,
+        openCameraAndPlay: () async {},
+        stopCamera: () async {
+          stopCalled = true;
+        },
+      );
+
+      expect(result.status, QrCameraBootstrapStatus.detectorUnsupported);
+      expect(stopCalled, isTrue);
+    });
+  });
+}

userfront/test/qr_scan_route_test.dart

@@ -0,0 +1,27 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/presentation/qr_scan_route.dart';
+
+void main() {
+  group('buildQrApprovePath', () {
+    test('스캔 값을 trim/encode 해서 approve 경로를 만든다', () {
+      final result = buildQrApprovePath(
+        '  https://sss.hmac.kr/ql/abc-123?x=1&y=2  ',
+        localeCode: 'ko',
+      );
+
+      expect(
+        result,
+        '/ko/approve?ref=https%3A%2F%2Fsss.hmac.kr%2Fql%2Fabc-123%3Fx%3D1%26y%3D2',
+      );
+    });
+
+    test('현재 URI에서 locale을 추출한다', () {
+      final result = buildQrApprovePath(
+        'abc123',
+        currentUri: Uri.parse('https://sss.hmac.kr/en/dashboard'),
+      );
+
+      expect(result, '/en/approve?ref=abc123');
+    });
+  });
+}

userfront/test/qr_scan_screen_test.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/presentation/qr_scan_screen.dart';
+
+void main() {
+  testWidgets('QR 스캔 화면은 비활성 문구 대신 입력/이동 UI를 노출한다', (tester) async {
+    await tester.pumpWidget(const MaterialApp(home: QRScanScreen()));
+
+    expect(
+      find.text('QR Scanner is temporarily disabled for WASM build stability.'),
+      findsNothing,
+    );
+    expect(find.byKey(const ValueKey('qr_scan_manual_input')), findsOneWidget);
+    expect(find.byKey(const ValueKey('qr_scan_submit_button')), findsOneWidget);
+  });
+}

userfront/test/router_redirect_widget_test.dart

@@ -11,8 +11,28 @@ Widget _buildTestApp(String initialLocation) {
     routes: [
       GoRoute(
         path: '/:locale',
-        builder: (context, state) => const Scaffold(body: Text('root')),
+        redirect: (context, state) {
+          if (state.uri.pathSegments.length != 1) {
+            return null;
+          }
+          final localeCode = normalizeLocaleCode(
+            state.pathParameters['locale'],
+          );
+          final token = AuthTokenStore.getToken();
+          final isLoggedIn =
+              (token != null && token.isNotEmpty) ||
+              AuthTokenStore.usesCookie();
+          if (!isLoggedIn) {
+            return buildSigninRedirectPath(localeCode, state.uri);
+          }
+          return '/$localeCode/dashboard';
+        },
         routes: [
+          GoRoute(
+            path: 'dashboard',
+            builder: (context, state) =>
+                const Scaffold(body: Text('dashboard-page')),
+          ),
           GoRoute(
             path: 'signin',
             builder: (context, state) {
@@ -57,8 +77,9 @@ Widget _buildTestApp(String initialLocation) {
         return buildLocalizedPath(resolvePreferredLocaleCode(), state.uri);
       }
 
+      final token = AuthTokenStore.getToken();
       final isLoggedIn =
-          AuthTokenStore.getToken() != null || AuthTokenStore.usesCookie();
+          (token != null && token.isNotEmpty) || AuthTokenStore.usesCookie();
       final path = stripLocalePath(state.uri);
       final isPublicPath = path == '/signin' || path == '/login';
       if (isPublicPath) {
@@ -85,6 +106,25 @@ void main() {
     LocaleRegistry.resetForTest();
   });
 
+  testWidgets(
+    '루트 경로: /{locale} 로 접근 시 /{locale}/signin 으로 리다이렉트되어야 한다 (버그: 화면 렌더링 안됨)',
+    (tester) async {
+      await tester.pumpWidget(_buildTestApp('/ko'));
+      await tester.pumpAndSettle();
+
+      expect(find.textContaining('signin|'), findsOneWidget);
+    },
+  );
+
+  testWidgets('로그인 상태에서 /{locale} 접근 시 dashboard로 이동', (tester) async {
+    AuthTokenStore.setToken('root-token', provider: 'ory');
+    await tester.pumpWidget(_buildTestApp('/ko'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('dashboard-page'), findsOneWidget);
+    expect(find.textContaining('signin|'), findsNothing);
+  });
+
   testWidgets('/login: login_challenge와 redirect_uri를 전달', (tester) async {
     final encodedRedirectUri = Uri.encodeComponent(
       'https://rp.example.com/callback?x=1',
@@ -153,6 +193,15 @@ void main() {
     expect(find.textContaining('signin|'), findsNothing);
   });
 
+  testWidgets('빈 토큰은 로그인으로 간주하지 않고 signin으로 리다이렉트', (tester) async {
+    AuthTokenStore.setToken('', provider: 'ory');
+    await tester.pumpWidget(_buildTestApp('/ko/profile'));
+    await tester.pumpAndSettle();
+
+    expect(find.textContaining('signin|'), findsOneWidget);
+    expect(find.text('profile-page'), findsNothing);
+  });
+
   testWidgets('로그인 후 같은 브라우저 새 창/팝업에서도 세션이 유지된다', (tester) async {
     await tester.pumpWidget(_buildTestApp('/en/signin'));
     await tester.pumpAndSettle();