Update notification service

AppImage/scripts/flask_server.py

@@ -71,9 +71,10 @@ _PROXMOX_NODE_CACHE_TTL = 300  # seconds (5 minutes)
 
 def get_proxmox_node_name() -> str:
     """
-    Retrieve the real Proxmox node name.
+    Retrieve the real Proxmox node name for the LOCAL node.
 
     - First tries reading from: `pvesh get /nodes`
+    - In a cluster, matches the local hostname against the node list
     - Uses an in-memory cache to avoid repeated API calls
     - Falls back to the short hostname if the API call fails
     """
@@ -85,6 +86,9 @@ def get_proxmox_node_name() -> str:
     if cached_name and (now - float(cached_ts)) < _PROXMOX_NODE_CACHE_TTL:
         return str(cached_name)
 
+    # Get local hostname for matching
+    local_hostname = socket.gethostname().split(".", 1)[0].lower()
+
     # Try Proxmox API
     try:
         result = subprocess.run(
@@ -98,19 +102,36 @@ def get_proxmox_node_name() -> str:
         if result.returncode == 0 and result.stdout:
             nodes = json.loads(result.stdout)
             if isinstance(nodes, list) and nodes:
-                node_name = nodes[0].get("node")
-                if node_name:
-                    _PROXMOX_NODE_CACHE["name"] = node_name
-                    _PROXMOX_NODE_CACHE["timestamp"] = now
-                    return node_name
+                # In a cluster, find the node that matches local hostname
+                # Node names in Proxmox typically match the hostname
+                for node_info in nodes:
+                    node_name = node_info.get("node", "")
+                    if node_name.lower() == local_hostname:
+                        _PROXMOX_NODE_CACHE["name"] = node_name
+                        _PROXMOX_NODE_CACHE["timestamp"] = now
+                        return node_name
+                
+                # If no exact match, try partial match (hostname might be truncated)
+                for node_info in nodes:
+                    node_name = node_info.get("node", "")
+                    if local_hostname.startswith(node_name.lower()) or node_name.lower().startswith(local_hostname):
+                        _PROXMOX_NODE_CACHE["name"] = node_name
+                        _PROXMOX_NODE_CACHE["timestamp"] = now
+                        return node_name
+                
+                # Last resort: if single node cluster, use that node
+                if len(nodes) == 1:
+                    node_name = nodes[0].get("node")
+                    if node_name:
+                        _PROXMOX_NODE_CACHE["name"] = node_name
+                        _PROXMOX_NODE_CACHE["timestamp"] = now
+                        return node_name
 
     except Exception as exc:
         logger.warning("Failed to get Proxmox node name from API: %s", exc)
 
     # Fallback: short hostname (without domain)
-    hostname = socket.gethostname()
-    short_hostname = hostname.split(".", 1)[0]
-    return short_hostname
+    return local_hostname
 
 
 # -------------------------------------------------------------------

AppImage/scripts/notification_templates.py

@@ -1406,7 +1406,8 @@ EMOJI USAGE — place ONE emoji at the START of EVERY non-empty line (title and
    ❌  failed / FAILED / error
    💥  crash / collision / I/O error
    🆘  new critical health issue
-   📦  backup started / updates available
+   📦  updates available
+   💾  backup started
    🆕  new PVE version available
    🔺  escalated / severity increased
    📋  health digest / persistent issues
@@ -1436,6 +1437,7 @@ EMOJI USAGE — place ONE emoji at the START of EVERY non-empty line (title and
    ✔️  status ok / success / completed
    ❌  status error / failed
    💽  size / tamaño / Größe
+   💾  total backup size (summary line only)
    ⏱️  duration / tiempo / Dauer
    🗄️  storage / almacenamiento / PBS
    🗃️  archive path / ruta de archivo
@@ -1459,6 +1461,8 @@ EMOJI USAGE — place ONE emoji at the START of EVERY non-empty line (title and
    🚦  severity / severidad
    🖥️  node / nodo
    🎯  target / destino
+   🔹  current version (pve_update)
+   🟢  new version (pve_update)
 
    BLANK LINES FOR READABILITY — insert ONE blank line between logical sections within the body.
    Blank lines go BETWEEN groups, not before the first line or after the last line.
@@ -1527,7 +1531,7 @@ EMOJI USAGE — place ONE emoji at the START of EVERY non-empty line (title and
    ⏱️ Duration: 00:01:10
    🗄️ Storage: ct/101/2026-03-17T22:04:29Z
 
-   📊 Total: 2 backups | 📦 16.4 GiB | ⏱️ 00:05:31
+   📊 Total: 2 backups | 💾 16.4 GiB | ⏱️ 00:05:31
 
    EXAMPLE — backup partially failed (some ok, some failed):
    [TITLE]
@@ -1546,7 +1550,7 @@ EMOJI USAGE — place ONE emoji at the START of EVERY non-empty line (title and
    💽 Size: 0 B
    ⏱️ Duration: 00:00:37
 
-   📊 Total: 2 backups | ❌ 1 failed | 📦 12.3 GiB | ⏱️ 00:04:58
+   📊 Total: 2 backups | ❌ 1 failed | 💾 12.3 GiB | ⏱️ 00:04:58
 
    EXAMPLE — disk I/O health warning:
    [TITLE]