feat(S-102): Test-drive and implement --timeout flag, config layering, and default in

tools/ai-cli-dispatch/tests/cli.test.ts

@@ -39,6 +39,8 @@ describe("main", () => {
     stdout: "output",
     stderr: "",
     exitCode: 0,
+    client: "codex",
+    durationMs: 42,
   };
 
   it("returns 0 for --help and prints usage", async () => {
@@ -152,6 +154,8 @@ describe("main", () => {
             stdout: "hello-out",
             stderr: "hello-err",
             exitCode: 0,
+            client: "codex",
+            durationMs: 42,
           }),
           stdoutWrite: (chunk) => stdoutChunks.push(chunk),
           stderrWrite: (chunk) => stderrChunks.push(chunk),
@@ -259,7 +263,7 @@ describe("main", () => {
             return mockResult;
           },
           resolveClient: () => "claude",
-          resolveConfig: () => ({ paths: {} }),
+          resolveConfig: () => ({ paths: {}, timeout: 600_000 }),
         }
       );
       assert.strictEqual(code, 0);
@@ -286,7 +290,7 @@ describe("main", () => {
             return mockResult;
           },
           resolveClient: () => "codex",
-          resolveConfig: () => ({ paths: {} }),
+          resolveConfig: () => ({ paths: {}, timeout: 600_000 }),
         }
       );
       assert.strictEqual(code, 0);
@@ -310,7 +314,7 @@ describe("main", () => {
             return mockResult;
           },
           resolveClient: (_p, cfg) => cfg?.client ?? null,
-          resolveConfig: () => ({ paths: {}, defaultClient: "claude" }),
+          resolveConfig: () => ({ paths: {}, defaultClient: "claude", timeout: 600_000 }),
         }
       );
       assert.strictEqual(code, 0);
@@ -329,7 +333,7 @@ describe("main", () => {
           detectClients: () => mockClients,
           executePrompt: async () => mockResult,
           resolveClient: () => null,
-          resolveConfig: () => ({ paths: {} }),
+          resolveConfig: () => ({ paths: {}, timeout: 600_000 }),
         }
       );
       assert.strictEqual(code, 1);
@@ -351,7 +355,7 @@ describe("main", () => {
             throw new ClientNotFoundError("claude");
           },
           resolveClient: () => "claude",
-          resolveConfig: () => ({ paths: {} }),
+          resolveConfig: () => ({ paths: {}, timeout: 600_000 }),
         }
       );
       assert.strictEqual(code, 1);
@@ -388,9 +392,11 @@ describe("main", () => {
             stdout: "done",
             stderr: "",
             exitCode: 0,
+            client: "codex",
+            durationMs: 42,
           }),
           resolveClient: () => "codex",
-          resolveConfig: () => ({ paths: {} }),
+          resolveConfig: () => ({ paths: {}, timeout: 600_000 }),
           stdoutWrite: (chunk) => stdoutChunks.push(chunk),
         }
       );