feat(TRUEREF-0023): add sqlite-vec search pipeline

src/routes/api/v1/jobs/[id]/stream/+server.ts

@@ -44,7 +44,7 @@ export const GET: RequestHandler = ({ params, request }) => {
 						status: job.status,
 						error: job.error
 					};
-					controller.enqueue(`data: ${JSON.stringify(initialData)}\n\n`);
+					controller.enqueue(`event: job-progress\ndata: ${JSON.stringify(initialData)}\n\n`);
 
 					// Check for Last-Event-ID header for reconnect
 					const lastEventId = request.headers.get('Last-Event-ID');
@@ -57,6 +57,13 @@ export const GET: RequestHandler = ({ params, request }) => {
 
 					// Check if job is already done or failed - close immediately after first event
 					if (job.status === 'done' || job.status === 'failed') {
+						if (job.status === 'done') {
+							controller.enqueue(`event: job-done\ndata: ${JSON.stringify({ jobId })}\n\n`);
+						} else {
+							controller.enqueue(
+								`event: job-failed\ndata: ${JSON.stringify({ jobId, error: job.error })}\n\n`
+							);
+						}
 						controller.close();
 						return;
 					}
@@ -73,18 +80,29 @@ export const GET: RequestHandler = ({ params, request }) => {
 							controller.enqueue(value);
 
 							// Check if the incoming event indicates job completion
-							if (value.includes('event: done') || value.includes('event: failed')) {
+							if (
+								value.includes('event: job-done') ||
+								value.includes('event: job-failed')
+							) {
 								controller.close();
 								break;
 							}
 						}
 					} finally {
 						reader.releaseLock();
-						controller.close();
+						try {
+							controller.close();
+						} catch {
+							// Stream may already be closed after a terminal event.
+						}
 					}
 				} catch (err) {
 					console.error('SSE stream error:', err);
-					controller.close();
+					try {
+						controller.close();
+					} catch {
+						// Stream may already be closed.
+					}
 				}
 			}
 		});