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/targets.py

@@ -1,5 +1,7 @@
 """Notification target management API routes."""
 
+import logging
+
 from fastapi import APIRouter, Depends, HTTPException, Query, status
 from pydantic import BaseModel
 from sqlmodel import select
@@ -9,6 +11,9 @@ from typing import Any
 from ..auth.dependencies import get_current_user
 from ..database.engine import get_session
 from ..database.models import NotificationTarget, TelegramBot, TelegramChat, TrackerTarget, User
+from ..services.notifier import send_test_notification
+
+_LOGGER = logging.getLogger(__name__)
 
 router = APIRouter(prefix="/api/targets", tags=["targets"])
 
@@ -137,7 +142,6 @@ async def test_target(
 ):
     """Send a test notification to a target."""
     target = await _get_user_target(session, target_id, user.id)
-    from ..services.notifier import send_test_notification
     result = await send_test_notification(target, locale=locale)
     return result