Fix local WAV transcription startup (#7103)

* fix(speech): complete local transcription providers

* test(speech): document lazy worker assumption

Co-authored-by: LauraGPT <18321252+LauraGPT@users.noreply.github.com>

---------

Co-authored-by: LauraGPT <lauragpt@users.noreply.github.com>
Co-authored-by: LauraGPT <18321252+LauraGPT@users.noreply.github.com>

packages/server/scripts/transcribe-local-wav.test.ts

@@ -0,0 +1,40 @@
+import { spawnSync } from "node:child_process";
+import { mkdtempSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+import { afterEach, describe, expect, test } from "vitest";
+
+const tempDirs: string[] = [];
+
+afterEach(() => {
+  for (const dir of tempDirs.splice(0)) {
+    rmSync(dir, { recursive: true, force: true });
+  }
+});
+
+describe("transcribe-local-wav CLI", () => {
+  test("initializes the complete speech provider configuration", () => {
+    const modelsDir = mkdtempSync(path.join(tmpdir(), "paseo-transcribe-local-"));
+    tempDirs.push(modelsDir);
+    const missingWav = path.join(modelsDir, "missing.wav");
+    const scriptPath = fileURLToPath(new URL("./transcribe-local-wav.ts", import.meta.url));
+
+    const result = spawnSync(
+      process.execPath,
+      ["--import", "tsx", scriptPath, missingWav, "--models-dir", modelsDir],
+      {
+        encoding: "utf8",
+        timeout: 15_000,
+      },
+    );
+
+    expect(result.error).toBeUndefined();
+    expect(result.status).not.toBe(0);
+    // The worker client is lazy, so reaching the missing WAV proves provider initialization completed first.
+    expect(result.stderr).toContain("ENOENT");
+    expect(result.stderr).toContain(missingWav);
+    expect(result.stderr).not.toContain("Cannot read properties of undefined");
+  });
+});

packages/server/scripts/transcribe-local-wav.ts

@@ -120,6 +120,7 @@ async function main(): Promise<void> {
 
   const providers: RequestedSpeechProviders = {
     dictationStt: { provider: "local", explicit: true },
+    voiceTurnDetection: { provider: "local", explicit: false, enabled: false },
     voiceStt: { provider: "local", explicit: true },
     // Not used here, but required by the shared runtime config shape.
     voiceTts: { provider: "openai", explicit: false },