feat: complete TASK-WP0-08 logging

apps/worker/src/worker.ts

@@ -1,5 +1,10 @@
 import { parentPort } from "node:worker_threads";
+import { join } from "node:path";
 
+import { WorkerAiCallGate } from "./ai-call-gate.js";
+import { readConfiguredLocalDataRoot } from "./runtime-config.js";
+import { StructuredJsonlLogger } from "./structured-log.js";
+import { WorkerStorageStatus } from "./storage-status.js";
 import { attachWorkerSupervisorControl, initializeWorkerCredentialClient, receiveWorkerCredentials } from "./supervisor-channel.js";
 
 export function handleWorkerProbe(message: unknown) {
@@ -20,5 +25,31 @@ if (!workerPort && process.argv.includes("--dada-credential-stdin")) {
   const controlPipe = process.argv[controlPipeIndex + 1];
   if (controlPipeIndex < 0 || !controlPipe) throw new Error("Supervisor control pipe name is required.");
   const keepAlive = setInterval(() => undefined, 30_000);
-  attachWorkerSupervisorControl(controlPipe, () => clearInterval(keepAlive));
+  let storage: WorkerStorageStatus | undefined;
+  const control = attachWorkerSupervisorControl(controlPipe, () => {
+    clearInterval(keepAlive);
+    storage?.close();
+  });
+  let storageStatus: "active" | "unavailable" = "active";
+  try {
+    const dataRoot = readConfiguredLocalDataRoot();
+    storage = new WorkerStorageStatus(join(dataRoot, "db", "dada.sqlite3"));
+    const logger = new StructuredJsonlLogger({
+      component: "worker",
+      directory: join(dataRoot, "logs", "worker"),
+      onWriteFailure: () => {
+        storageStatus = "unavailable";
+        try {
+          storage?.markLogUnavailable();
+        } finally {
+          control.reportStatus("storage_unavailable");
+        }
+      },
+    });
+    logger.write({ error_category: "none", status_category: "ready" });
+    new WorkerAiCallGate({ getStorageStatus: () => storageStatus === "unavailable" ? storageStatus : (storage?.getStatus() ?? "unavailable"), logger });
+  } catch {
+    storageStatus = "unavailable";
+    control.reportStatus("storage_unavailable");
+  }
 }