Update notification service

AppImage/components/notification-settings.tsx

@@ -202,6 +202,35 @@ export function NotificationSettings() {
     }))
   }
 
+  /** Flatten the nested NotificationConfig into the flat key-value map the backend expects. */
+  const flattenConfig = (cfg: NotificationConfig): Record<string, string> => {
+    const flat: Record<string, string> = {
+      enabled: String(cfg.enabled),
+      severity_filter: cfg.severity_filter,
+      ai_enabled: String(cfg.ai_enabled),
+      ai_provider: cfg.ai_provider,
+      ai_api_key: cfg.ai_api_key,
+      ai_model: cfg.ai_model,
+      hostname: cfg.hostname,
+      webhook_secret: cfg.webhook_secret,
+      webhook_allowed_ips: cfg.webhook_allowed_ips,
+      pbs_host: cfg.pbs_host,
+      pve_host: cfg.pve_host,
+      pbs_trusted_sources: cfg.pbs_trusted_sources,
+    }
+    // Flatten channels: { telegram: { enabled, bot_token, chat_id } } -> telegram.enabled, telegram.bot_token, ...
+    for (const [chName, chCfg] of Object.entries(cfg.channels)) {
+      for (const [field, value] of Object.entries(chCfg)) {
+        flat[`${chName}.${field}`] = String(value ?? "")
+      }
+    }
+    // Flatten event_categories: { system: true, backups: false } -> events.system, events.backups
+    for (const [cat, enabled] of Object.entries(cfg.event_categories)) {
+      flat[`events.${cat}`] = String(enabled)
+    }
+    return flat
+  }
+
   const handleSave = async () => {
     setSaving(true)
     try {
@@ -217,9 +246,10 @@ export function NotificationSettings() {
         }
       }
       
+      const payload = flattenConfig(config)
       await fetchApi("/api/notifications/settings", {
         method: "POST",
-        body: JSON.stringify(config),
+        body: JSON.stringify(payload),
       })
       setOriginalConfig(config)
       setHasChanges(false)
@@ -244,6 +274,15 @@ export function NotificationSettings() {
     setTesting(channel)
     setTestResult(null)
     try {
+      // Auto-save current config before testing so backend has latest channel data
+      const payload = flattenConfig(config)
+      await fetchApi("/api/notifications/settings", {
+        method: "POST",
+        body: JSON.stringify(payload),
+      })
+      setOriginalConfig(config)
+      setHasChanges(false)
+      
       const data = await fetchApi<{
         success: boolean
         message?: string
@@ -642,7 +681,7 @@ matcher: proxmenux-pbs
                           <Input
                             type={showSecrets["tg_token"] ? "text" : "password"}
                             className="h-7 text-xs font-mono"
-                            placeholder="123456:ABC-DEF1234..."
+                            placeholder="7595377878:AAGE6Fb2cy... (with or without 'bot' prefix)"
                             value={config.channels.telegram?.bot_token || ""}
                             onChange={e => updateChannel("telegram", "bot_token", e.target.value)}
                           />

AppImage/scripts/notification_channels.py

@@ -133,7 +133,11 @@ class TelegramChannel(NotificationChannel):
     
     def __init__(self, bot_token: str, chat_id: str):
         super().__init__()
-        self.bot_token = bot_token.strip()
+        token = bot_token.strip()
+        # Strip 'bot' prefix if user included it (API_BASE already adds it)
+        if token.lower().startswith('bot') and ':' in token[3:]:
+            token = token[3:]
+        self.bot_token = token
         self.chat_id = chat_id.strip()
     
     def validate_config(self) -> Tuple[bool, str]:

AppImage/scripts/notification_manager.py

@@ -937,19 +937,50 @@ class NotificationManager:
             return {'success': False, 'error': str(e)}
     
     def get_settings(self) -> Dict[str, Any]:
-        """Get all notification settings for the UI."""
+        """Get all notification settings for the UI.
+        
+        Returns a structure matching the frontend's NotificationConfig shape
+        so the round-trip (GET -> edit -> POST) is seamless.
+        """
         if not self._config:
             self._load_config()
         
-        return {
+        # Build nested channels object matching frontend ChannelConfig
+        channels = {}
+        for ch_type, info in CHANNEL_TYPES.items():
+            ch_cfg: Dict[str, Any] = {
+                'enabled': self._config.get(f'{ch_type}.enabled', 'false') == 'true',
+            }
+            for config_key in info['config_keys']:
+                ch_cfg[config_key] = self._config.get(f'{ch_type}.{config_key}', '')
+            channels[ch_type] = ch_cfg
+        
+        # Build event_categories dict
+        # EVENT_GROUPS is a dict: { 'system': {...}, 'vm_ct': {...}, ... }
+        event_categories = {}
+        for group_key in EVENT_GROUPS:
+            event_categories[group_key] = self._config.get(f'events.{group_key}', 'true') == 'true'
+        
+        config = {
             'enabled': self._enabled,
-            'settings': {f'{SETTINGS_PREFIX}{k}': v for k, v in self._config.items()},
+            'channels': channels,
-            'channels': self.list_channels()['channels'],
+            'severity_filter': self._config.get('severity_filter', 'warning'),
-            'event_groups': EVENT_GROUPS,
+            'event_categories': event_categories,
-            'event_types': get_event_types_by_group(),
+            'ai_enabled': self._config.get('ai_enabled', 'false') == 'true',
-            'default_events': get_default_enabled_events(),
+            'ai_provider': self._config.get('ai_provider', 'openai'),
+            'ai_api_key': self._config.get('ai_api_key', ''),
+            'ai_model': self._config.get('ai_model', ''),
+            'hostname': self._config.get('hostname', ''),
             'webhook_secret': self._config.get('webhook_secret', ''),
             'webhook_allowed_ips': self._config.get('webhook_allowed_ips', ''),
+            'pbs_host': self._config.get('pbs_host', ''),
+            'pve_host': self._config.get('pve_host', ''),
+            'pbs_trusted_sources': self._config.get('pbs_trusted_sources', ''),
+        }
+        
+        return {
+            'success': True,
+            'config': config,
         }
     
     def save_settings(self, settings: Dict[str, str]) -> Dict[str, Any]: