feat: integrate invite API and improve notification handling

- Add invite code display and binding functionality via API
- Fix notification unread count sync on auth state change
- Improve notification mark read with server state validation
- Add auth state listener to trigger notification refresh
- Add YaoCoinConverter for coin-to-yao type conversion
- Remove YaoLegend from divination screens (UI cleanup)
- Abbreviate relation labels in yao detail view
- Add re-register notice to account delete screen
- Update 'coins' terminology to 'points' in localization
- Fix backend points consumption to only run in CHAT mode
- Add HttpxAuthNoiseFilter to suppress auth endpoint logging
- Fix notification static_schema import path
- Add test coverage for notification bloc error handling
- Update AGENTS.md page header rules and image handling
- Delete deprecated run-dev.sh script

backend/src/v1/auth/router.py

@@ -7,6 +7,9 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from core.config.settings import config
 from core.db import get_db
+from core.logging import get_logger
+from v1.notifications.repository import NotificationRepository
+from v1.notifications.service import NotificationService
 from v1.auth.rate_limit import enforce_rate_limit
 from v1.auth.dependencies import get_auth_service
 from v1.auth.schemas import (
@@ -22,6 +25,7 @@ from v1.points.service import PointsService
 
 
 router = APIRouter(prefix="/auth", tags=["auth"])
+logger = get_logger("v1.auth.router")
 
 
 @router.post("/otp/send", status_code=204)
@@ -73,7 +77,16 @@ async def create_email_session(
         user_id=UUID(result.user.id),
         user_email=result.user.email,
     )
+    notification_service = NotificationService(NotificationRepository(session))
+    linked_count = await notification_service.link_published_notifications_to_user(
+        user_id=UUID(result.user.id)
+    )
     await session.commit()
+    logger.info(
+        "Linked published notifications for authenticated user",
+        user_id=result.user.id,
+        linked_count=linked_count,
+    )
     return result