feat: wire multi-agent config and routing

Co-authored-by: Mark Pors <1078320+pors@users.noreply.github.com>

src/auto-reply/transcription.test.ts

@@ -37,8 +37,8 @@ describe("transcribeInboundAudio", () => {
     vi.stubGlobal("fetch", fetchMock);
 
     const cfg = {
-      routing: {
-        transcribeAudio: {
+      audio: {
+        transcription: {
           command: ["echo", "{{MediaPath}}"],
           timeoutSeconds: 5,
         },
@@ -64,7 +64,7 @@ describe("transcribeInboundAudio", () => {
   it("returns undefined when no transcription command", async () => {
     const { transcribeInboundAudio } = await import("./transcription.js");
     const res = await transcribeInboundAudio(
-      { routing: {} } as never,
+      { audio: {} } as never,
       {} as never,
       runtime as never,
     );