make dev/dev-debug 구분.

userfront/test/log_policy_test.dart

@@ -9,14 +9,30 @@ void main() {
         isTrue,
       );
       expect(
-        LogPolicy.debugEnabled(
-          appEnv: 'development',
-          productionDebugFlag: 'false',
-        ),
+        LogPolicy.debugEnabled(appEnv: 'development', productionDebugFlag: ''),
         isTrue,
       );
     });
 
+    test('explicit debug flag applies in development-like environment', () {
+      expect(
+        LogPolicy.debugEnabled(appEnv: 'dev', productionDebugFlag: 'true'),
+        isTrue,
+      );
+      expect(
+        LogPolicy.debugEnabled(appEnv: 'development', productionDebugFlag: '1'),
+        isTrue,
+      );
+      expect(
+        LogPolicy.debugEnabled(appEnv: 'dev', productionDebugFlag: 'false'),
+        isFalse,
+      );
+      expect(
+        LogPolicy.debugEnabled(appEnv: 'development', productionDebugFlag: '0'),
+        isFalse,
+      );
+    });
+
     test('production disables debug unless explicitly enabled', () {
       expect(
         LogPolicy.debugEnabled(appEnv: 'production', productionDebugFlag: ''),
@@ -94,6 +110,28 @@ void main() {
         isTrue,
       );
     });
+
+    test(
+      'explicit development debug false forwards only warning or higher',
+      () {
+        expect(
+          LogPolicy.shouldRelayClientLog(
+            level: 'INFO',
+            appEnv: 'dev',
+            productionDebugFlag: 'false',
+          ),
+          isFalse,
+        );
+        expect(
+          LogPolicy.shouldRelayClientLog(
+            level: 'WARN',
+            appEnv: 'dev',
+            productionDebugFlag: 'false',
+          ),
+          isTrue,
+        );
+      },
+    );
   });
 
   group('LogPolicy.sanitize', () {