feat: auto-name sessions from first prompt

src/types/session.ts

@@ -58,6 +58,9 @@ export type SessionMode =
   | 'deepseek'
   | 'omp';
 
+/** Whether a session name may still be replaced by the first submitted prompt. */
+export type SessionNameSource = 'auto' | 'manual';
+
 export type RemoteCommandMode = Extract<
   SessionMode,
   'shell' | 'claude' | 'opencode' | 'codex' | 'gemini' | 'antigravity' | 'pi' | 'grok' | 'deepseek' | 'omp'
@@ -551,6 +554,8 @@ export interface SessionState {
   lastActivityAt: number;
   /** Session display name */
   name?: string;
+  /** Name ownership; auto names are replaced after the first real prompt. */
+  nameSource?: SessionNameSource;
   /** Session mode */
   mode?: SessionMode;
   /** Auto-clear enabled */