feat(pi-workflow): reuse standard agent profiles

extensions/pi-workflow/config.test.ts

@@ -29,6 +29,13 @@ test("configuration defaults to concurrency 8 with immutable ceiling 32", async
     });
     assert.deepEqual(config, DEFAULT_WORKFLOW_CONFIG);
     assert.equal(config.concurrency.ceiling, MAX_CONCURRENCY);
+    assert.deepEqual(config.standardAgents, {
+      enabled: true,
+      roles: {
+        scout: ["discover"],
+        worker: ["implement"],
+      },
+    });
   });
 });
 
@@ -106,6 +113,60 @@ test("untrusted project configuration is never applied", async () => {
   });
 });
 
+test("trusted configuration can replace or disable standard-agent role overlays", async () => {
+  await withTempDir(async (directory) => {
+    const agentDir = path.join(directory, "agent");
+    await writeJson(path.join(agentDir, "pi-workflow.json"), {
+      standardAgents: {
+        roles: {
+          "codebase-analyzer": ["discover"],
+          worker: ["implement", "verify"],
+        },
+      },
+    });
+    let config = await loadWorkflowConfig({
+      cwd: directory,
+      agentDir,
+      projectTrusted: false,
+    });
+    assert.deepEqual(config.standardAgents.roles, {
+      "codebase-analyzer": ["discover"],
+      worker: ["implement", "verify"],
+    });
+
+    await writeJson(path.join(directory, ".pi", "pi-workflow.json"), {
+      standardAgents: { enabled: false },
+    });
+    config = await loadWorkflowConfig({
+      cwd: directory,
+      agentDir,
+      projectTrusted: true,
+    });
+    assert.equal(config.standardAgents.enabled, false);
+  });
+});
+
+test("invalid standard-agent names and roles fail before a run starts", async () => {
+  await withTempDir(async (directory) => {
+    const agentDir = path.join(directory, "agent");
+    await writeJson(path.join(agentDir, "pi-workflow.json"), {
+      standardAgents: { roles: { Worker: ["implement"] } },
+    });
+    await assert.rejects(
+      loadWorkflowConfig({ cwd: directory, agentDir, projectTrusted: false }),
+      /lowercase kebab case/,
+    );
+
+    await writeJson(path.join(agentDir, "pi-workflow.json"), {
+      standardAgents: { roles: { worker: ["remediate"] } },
+    });
+    await assert.rejects(
+      loadWorkflowConfig({ cwd: directory, agentDir, projectTrusted: false }),
+      /unsupported role remediate/,
+    );
+  });
+});
+
 test("configuration cannot raise ceilings or activate unaudited tools", async () => {
   await withTempDir(async (directory) => {
     const agentDir = path.join(directory, "agent");