feat: team org panel, admin CRUD, local deploy tools, bidirectional data sync

Add TeamMember model and APIs, team status UI, /admin page, local server bats,
and scripts to sync data between local PostgreSQL and Render.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/prisma/schema.prisma

@@ -29,6 +29,29 @@ model User {
   @@map("users")
 }
 
+// ─── 팀 인원 (조직도 마스터) ─────────────────────────────────
+
+model TeamMember {
+  id        String   @id @default(cuid())
+  name      String
+  rank      String?  // 직급 (수석연구원, 선임연구원 등)
+  role      String?  // 직책 (팀장, 셀장, 팀원 등)
+  cell      String?  // 셀 (HR, 총무, 리더 — 리더/빈값이면 상단 팀장 영역)
+  contact   String?
+  photoUrl  String?
+  sortOrder Int      @default(0)
+  isActive  Boolean  @default(true)
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  pmTasks       Task[]         @relation("PmTasks")
+  taskAssignees TaskAssignee[]
+
+  @@index([cell])
+  @@index([isActive])
+  @@map("team_members")
+}
+
 enum Role {
   ADMIN
   MANAGER
@@ -60,11 +83,14 @@ model Task {
   keywords        String?
   creatorId   String
   assigneeId  String?
+  pmMemberId  String?
   createdAt   DateTime   @default(now())
   updatedAt   DateTime   @updatedAt
 
   creator    User         @relation("CreatedTasks", fields: [creatorId], references: [id])
   assignee   User?        @relation("AssignedTasks", fields: [assigneeId], references: [id])
+  pmMember   TeamMember?  @relation("PmTasks", fields: [pmMemberId], references: [id])
+  taskAssignees TaskAssignee[]
   details     TaskDetail[]
   kpiMetrics  KpiMetric[]
   files       File[]
@@ -73,10 +99,23 @@ model Task {
   @@index([quarter])
   @@index([status])
   @@index([assigneeId])
+  @@index([pmMemberId])
   @@index([section])
   @@map("tasks")
 }
 
+model TaskAssignee {
+  taskId   String
+  memberId String
+
+  task   Task       @relation(fields: [taskId], references: [id], onDelete: Cascade)
+  member TeamMember @relation(fields: [memberId], references: [id], onDelete: Cascade)
+
+  @@id([taskId, memberId])
+  @@index([memberId])
+  @@map("task_assignees")
+}
+
 enum TaskStatus {
   TODO
   IN_PROGRESS