feat: telegram commands, app settings, bot polling, webhook handling, UI improvements

Adds telegram bot command system with 13 commands (search, latest, random, etc.),
webhook/polling handlers, rate limiting, app settings page, and various UI/UX
improvements across all entity pages.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/server/src/notify_bridge_server/api/users.py

@@ -1,5 +1,7 @@
 """User management API routes (admin only)."""
 
+import logging
+
 from fastapi import APIRouter, Depends, HTTPException, status
 from pydantic import BaseModel
 from sqlmodel import select
@@ -11,6 +13,8 @@ from ..auth.dependencies import require_admin
 from ..database.engine import get_session
 from ..database.models import User
 
+_LOGGER = logging.getLogger(__name__)
+
 router = APIRouter(prefix="/api/users", tags=["users"])