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/database/models.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 
 from datetime import datetime, timezone
 from typing import Any
+from uuid import uuid4
 
 from sqlmodel import JSON, Column, Field, SQLModel
 
@@ -44,6 +45,9 @@ class TelegramBot(SQLModel, table=True):
     icon: str = Field(default="")
     bot_username: str = Field(default="")
     bot_id: int = Field(default=0)
+    webhook_path_id: str = Field(default_factory=lambda: uuid4().hex)
+    update_mode: str = Field(default="polling")  # "polling" or "webhook"
+    commands_config: dict[str, Any] = Field(default_factory=dict, sa_column=Column(JSON))
     created_at: datetime = Field(default_factory=_utcnow)
 
 
@@ -106,6 +110,7 @@ class TrackingConfig(SQLModel, table=True):
 
     # Memory mode
     memory_enabled: bool = Field(default=False)
+    memory_source: str = Field(default="albums")  # "albums" or "native"
     memory_times: str = Field(default="09:00")
     memory_collection_mode: str = Field(default="combined")
     memory_limit: int = Field(default=10)
@@ -221,13 +226,22 @@ class EventLog(SQLModel, table=True):
     __tablename__ = "event_log"
 
     id: int | None = Field(default=None, primary_key=True)
-    tracker_id: int | None = Field(default=None, foreign_key="tracker.id")
+    tracker_id: int | None = Field(default=None, foreign_key="tracker.id", index=True)
     tracker_name: str = Field(default="")
-    provider_id: int | None = Field(default=None)
+    provider_id: int | None = Field(default=None, index=True)
     provider_name: str = Field(default="")
-    event_type: str
+    event_type: str = Field(index=True)
     collection_id: str
     collection_name: str
     assets_count: int = Field(default=0)
     details: dict[str, Any] = Field(default_factory=dict, sa_column=Column(JSON))
     created_at: datetime = Field(default_factory=_utcnow)
+
+
+class AppSetting(SQLModel, table=True):
+    """Key-value app-level settings (admin-configurable)."""
+
+    __tablename__ = "app_setting"
+
+    key: str = Field(primary_key=True)
+    value: str = Field(default="")