fix: restore all code deleted/truncated by d2217531 Jules SSRF commit

Commit d2217531 (google-labs-jules SSRF fix) catastrophically deleted
11,500+ lines across 100+ files while fixing an unrelated IMAP issue.

Restored from d2217531^ (pre-bad-commit state):

Deleted files (fully restored):
- app/api/{automation,classification_rules,comments,sharing}.py
- app/middleware/upload_rate_limit.py
- app/tasks/{automation_tasks,classify_document}.py
- app/utils/{automation_hooks,classification_rules}.py
- docs/AppleAppStoreCompliance.md
- frontend/input.css, package.json, package-lock.json, tailwind.config.js
- frontend/static/js/{annotations,claim,comments,sharing}.js
- frontend/templates/{admin_connections,file_annotations,file_summary}.html
- tests/{test_api_files_comprehensive,test_auth_extended,test_sharing,
         test_comments,test_connections,test_imap_profiles,test_api_sessions,
         test_automation,test_classification_rules,test_api_advanced_filters,
         test_api_classification_rules,test_upload_rate_limit,test_api_dropbox,
         test_classify_document,test_comments_ui,test_upload_to_icloud,
         test_api_onedrive_comprehensive,test_frontend_build,test_sentry,
         test_diagnostic,test_database,test_views_dropbox,test_local_auth}.py

Truncated files (content restored):
- app/{auth,config,main,models,celery_worker,database}.py
- app/api/{__init__,api_tokens,diagnostic,dropbox,files,google_drive,
           integrations,local_auth,mobile,onedrive,pipelines,qr_auth,
           settings,url_upload}.py
- app/middleware/upload_rate_limit.py
- app/tasks/upload_to_nextcloud.py
- app/utils/{allowed_types,settings_service,settings_sync,user_scope,webhook}.py
- app/views/{base,dropbox,files,google_drive,onedrive,settings}.py
- docs/{API,AuthenticationSetup,ConfigurationGuide,DatabaseConfiguration,
        DeploymentGuide,DropboxSetup,GoogleDriveSetup,KubernetesDeployment,
        MobileApp,OneDriveSetup,ProductionReadiness,SentrySetup,
        SocialLoginSetup,UserGuide}.md
- frontend/static/{js/upload.js,styles.css}
- frontend/templates/{api_tokens,base,devices,dropbox,dropbox_callback,
                      file_view,files,google_drive,onedrive,onedrive_callback,
                      signup}.html
- frontend/translations/en.json
- migrations/env.py
- tests/{conftest,test_api_integrations,test_api_mobile,test_api_settings,
         test_api_tokens,test_audit_logs,test_duplicates,test_imap_tasks,
         test_setup_wizard,test_views_files_comprehensive}.py

Security fixes kept from post-d2217531 commits:
- app/utils/network.py: DNS SSRF fail-secure fix (06b0fced)
- app/utils/file_operations.py: path traversal fix (1018ea17)
- tests/test_imap_tasks.py: re-applied 4 is_private_ip mock patches

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
Agent-Logs-Url: https://github.com/christianlouis/DocuElevate/sessions/51133dd8-9bec-41ab-aa10-3de753634187

tests/test_api_mobile.py

@@ -329,7 +329,7 @@ class TestDeactivateDevice:
     """Tests for DELETE /api/mobile/devices/{device_id}."""
 
     def test_deactivate_own_device(self, mob_engine, mob_session):
-        """Deactivating a device sets is_active to False."""
+        """Deactivating an active device sets is_active to False (soft-delete, returns 200)."""
         from app.main import app
 
         device = MobileDevice(
@@ -346,7 +346,8 @@ class TestDeactivateDevice:
         client = _make_client(mob_engine)
         try:
             resp = client.delete(f"/api/mobile/devices/{device_id}")
-            assert resp.status_code == 204
+            assert resp.status_code == 200
+            assert resp.json()["detail"] == "Device deactivated"
 
             mob_session.expire_all()
             updated = mob_session.get(MobileDevice, device_id)
@@ -355,6 +356,33 @@ class TestDeactivateDevice:
         finally:
             _cleanup(app)
 
+    def test_delete_inactive_device(self, mob_engine, mob_session):
+        """Deleting an already-inactive device permanently removes it (hard-delete, returns 200)."""
+        from app.main import app
+
+        device = MobileDevice(
+            owner_id=_OWNER,
+            push_token=_EXPO_TOKEN,
+            platform="ios",
+            is_active=False,
+        )
+        mob_session.add(device)
+        mob_session.commit()
+        mob_session.refresh(device)
+        device_id = device.id
+
+        client = _make_client(mob_engine)
+        try:
+            resp = client.delete(f"/api/mobile/devices/{device_id}")
+            assert resp.status_code == 200
+            assert resp.json()["detail"] == "Device deleted"
+
+            mob_session.expire_all()
+            deleted = mob_session.get(MobileDevice, device_id)
+            assert deleted is None
+        finally:
+            _cleanup(app)
+
     def test_deactivate_other_users_device_returns_404(self, mob_engine, mob_session):
         """Attempting to deactivate another user's device returns 404."""
         from app.main import app
@@ -439,6 +467,42 @@ class TestWhoAmI:
             assert data["email"] == _OWNER
             assert data["avatar_url"] is not None  # Gravatar URL
             assert data["is_admin"] is False
+            assert data["preferred_language"] is None  # not set yet
+        finally:
+            _cleanup(app)
+
+    def test_whoami_returns_preferred_language(self, mob_engine, mob_session):
+        """preferred_language from UserProfile is included in the whoami response."""
+        from app.main import app
+        from app.models import UserProfile
+
+        profile = UserProfile(
+            user_id=_OWNER,
+            display_name="Bob Test",
+            preferred_language="de",
+        )
+        mob_session.add(profile)
+        mob_session.commit()
+
+        client = _make_client(mob_engine)
+        try:
+            resp = client.get("/api/mobile/whoami")
+            assert resp.status_code == 200
+            data = resp.json()
+            assert data["preferred_language"] == "de"
+        finally:
+            _cleanup(app)
+
+    def test_whoami_no_profile_preferred_language_is_null(self, mob_engine):
+        """preferred_language is null when no UserProfile exists."""
+        from app.main import app
+
+        client = _make_client(mob_engine)
+        try:
+            resp = client.get("/api/mobile/whoami")
+            assert resp.status_code == 200
+            data = resp.json()
+            assert data["preferred_language"] is None
         finally:
             _cleanup(app)