fix: skip queueLength===0 completion branch when session returns 404

src/cli/handlers/summarize.ts

@@ -94,9 +94,11 @@ export const summarizeHandler: EventHandler = {
         const statusResponse = await workerHttpRequest(`/api/sessions/status?contentSessionId=${encodeURIComponent(sessionId)}`, {
           timeoutMs: 5000
         });
-        if (statusResponse.ok) {
         const status = await statusResponse.json() as { queueLength?: number; summaryStored?: boolean | null };
-          if ((status.queueLength ?? 0) === 0) {
+        const queueLength = status.queueLength ?? 0;
+        // Only treat an empty queue as completion when the session exists (non-404).
+        // A 404 means the session was not found — not that processing finished.
+        if (queueLength === 0 && statusResponse.status !== 404) {
           summaryStored = status.summaryStored ?? null;
           logger.info('HOOK', 'Summary processing complete', {
             waitedMs: Date.now() - waitStart,
@@ -112,7 +114,6 @@ export const summarizeHandler: EventHandler = {
           }
           break;
         }
-        }
       } catch {
         // Worker may be busy — keep polling
       }