Fix Internal Server Error after SSH server add (server_info must be a dict).

Co-authored-by: Cursor <cursoragent@cursor.com>

db/store.py

@@ -94,6 +94,33 @@ def _merge_settings(raw: Optional[dict]) -> dict:
     return settings
 
 
+def _as_dict(value, default=None):
+    """Coerce JSONB / legacy values to a plain dict."""
+    if default is None:
+        default = {}
+    if value is None:
+        return dict(default)
+    if isinstance(value, dict):
+        return dict(value)
+    # Legacy: ssh.test_connection() used to return a plain string
+    if isinstance(value, str):
+        text = value.strip()
+        if not text:
+            return dict(default)
+        if text.startswith('{') or text.startswith('['):
+            try:
+                parsed = json.loads(text)
+                if isinstance(parsed, dict):
+                    return parsed
+            except Exception:
+                pass
+        return {'raw': text}
+    try:
+        return dict(value)
+    except Exception:
+        return {'raw': str(value)}
+
+
 def _row_to_server(row) -> dict:
     return {
         'name': row['name'] or '',
@@ -102,8 +129,8 @@ def _row_to_server(row) -> dict:
         'username': row['username'] or '',
         'password': row['password'],
         'private_key': row['private_key'],
-        'server_info': dict(row['server_info'] or {}),
-        'protocols': dict(row['protocols'] or {}),
+        'server_info': _as_dict(row['server_info']),
+        'protocols': _as_dict(row['protocols']),
     }
 
 
@@ -241,8 +268,8 @@ def save_data(data: dict) -> None:
                         server.get('username') or '',
                         server.get('password'),
                         server.get('private_key'),
-                        Jsonb(server.get('server_info') or {}),
-                        Jsonb(server.get('protocols') or {}),
+                        Jsonb(_as_dict(server.get('server_info'))),
+                        Jsonb(_as_dict(server.get('protocols'))),
                     ),
                 )