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/commands/registry.py

@@ -0,0 +1,42 @@
+"""Command definitions — descriptions, categories, and rate limit grouping."""
+
+from __future__ import annotations
+
+# Command descriptions for Telegram menu (EN / RU)
+COMMAND_DESCRIPTIONS: dict[str, dict[str, str]] = {
+    "status":    {"en": "Show tracker status", "ru": "Показать статус трекеров"},
+    "albums":    {"en": "List tracked albums", "ru": "Список отслеживаемых альбомов"},
+    "events":    {"en": "Show recent events", "ru": "Показать последние события"},
+    "summary":   {"en": "Send album summary now", "ru": "Отправить сводку альбомов"},
+    "latest":    {"en": "Show latest photos", "ru": "Показать последние фото"},
+    "memory":    {"en": "On This Day memories", "ru": "Воспоминания за этот день"},
+    "random":    {"en": "Send random photo", "ru": "Отправить случайное фото"},
+    "search":    {"en": "Smart search (AI)", "ru": "Умный поиск (AI)"},
+    "find":      {"en": "Search by filename", "ru": "Поиск по имени файла"},
+    "person":    {"en": "Find photos of person", "ru": "Найти фото человека"},
+    "place":     {"en": "Find photos by location", "ru": "Найти фото по месту"},
+    "favorites": {"en": "Show favorites", "ru": "Показать избранное"},
+    "people":    {"en": "List detected people", "ru": "Список людей"},
+    "help":      {"en": "Show available commands", "ru": "Показать доступные команды"},
+}
+
+ALL_COMMANDS = list(COMMAND_DESCRIPTIONS.keys())
+
+# Map commands to rate limit categories
+_RATE_CATEGORY: dict[str, str] = {
+    "search": "search", "find": "search", "person": "search",
+    "place": "search", "favorites": "search", "people": "search",
+}
+
+
+def get_rate_category(cmd: str) -> str:
+    return _RATE_CATEGORY.get(cmd, "default")
+
+
+DEFAULT_COMMANDS_CONFIG = {
+    "enabled": ["help", "status", "albums", "events", "latest", "random", "favorites", "summary", "memory"],
+    "locale": "en",
+    "response_mode": "media",
+    "default_count": 5,
+    "rate_limits": {"search": 30, "default": 10},
+}