task logs: migrate from filesystem to postgresql; refactor sidecars into submodules

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/server.tsx

@@ -56,6 +56,12 @@ const sidecarWebsocket = {
         return;
       }
 
+      // Handle queue commands from sidecars (e.g., email sidecar enqueuing jobs)
+      if (typeof msg.type === 'string' && msg.type.startsWith('queue:') && msg.id) {
+        handleSidecarQueueCommand(ws, msg);
+        return;
+      }
+
       const id = sidecarConnections.get(ws);
       if (id) {
         handleSidecarMessage(id, msg);
@@ -74,6 +80,39 @@ const sidecarWebsocket = {
   drain() {},
 };
 
+// Handle queue commands from sidecars (e.g., email sidecar enqueuing jobs)
+async function handleSidecarQueueCommand(ws: ServerWebSocket<WSData>, msg: Record<string, unknown>) {
+  const id = msg.id as string;
+  try {
+    switch (msg.type) {
+      case 'queue:enqueue': {
+        const job = await queueEnqueue(msg.params as import('./servers/queue/types').EnqueueParams);
+        ws.send(JSON.stringify({ type: 'queue:enqueued', id, job }));
+        break;
+      }
+      case 'queue:cancel': {
+        const job = await queueCancel(msg.jobId as string);
+        ws.send(JSON.stringify({ type: 'queue:cancelled', id, job }));
+        break;
+      }
+      case 'queue:list': {
+        const jobs = await queueList();
+        ws.send(JSON.stringify({ type: 'queue:list', id, jobs }));
+        break;
+      }
+      case 'queue:get': {
+        const job = await queueGet(msg.jobId as string);
+        ws.send(JSON.stringify({ type: 'queue:get', id, job }));
+        break;
+      }
+      default:
+        ws.send(JSON.stringify({ type: 'queue:error', id, error: `Unknown queue command: ${msg.type}` }));
+    }
+  } catch (err) {
+    ws.send(JSON.stringify({ type: 'queue:error', id, error: err instanceof Error ? err.message : String(err) }));
+  }
+}
+
 const handlers: Record<string, any> = {
   terminal: terminalWebsocket,
   pi: piWebsocket,
@@ -274,7 +313,9 @@ try {
   console.error('[browser-relay] failed to start:', err instanceof Error ? err.message : err);
 }
 
-// Sidecars connect to us via /api/sidecar/register — no init needed
+// Initialize queue engine in API server process
+import { initQueue, enqueueJob as queueEnqueue, cancelJob as queueCancel, listAllJobs as queueList, readJob as queueGet } from './servers/queue/init';
+initQueue().catch((err) => console.error('[queue] failed to initialize:', err));
 
 // Ensure PulseAudio is running with virtual sink for cliamp audio streaming
 (async () => {