merge: integrate upstream main with local Makelore changes

tests/unit/pi-extension-host.test.ts

@@ -55,6 +55,25 @@ describe('managed Pi extension bridge', () => {
     await Promise.all(registrations.map(({ dispose }) => dispose()));
   });
 
+  it('passes the project root to the managed extension', async () => {
+    const root = await mkdtemp(path.join(tmpdir(), 'makelore-pi-extension-project-'));
+    roots.push(root);
+    const projectPath = path.join(root, 'project');
+    const host = new PiManagedExtensionHost();
+    hosts.push(host);
+
+    const registration = await host.registerWorker({
+      conversationId: 'conversation-project',
+      generation: 1,
+      projectId: 'project-a',
+      projectPath,
+      extensionsDir: root,
+    });
+
+    expect(registration.env.MAKELORE_PI_PROJECT_PATH).toBe(projectPath);
+    await registration.dispose();
+  });
+
   it('finishes a queued HTTP request while closing a holder and waiter', async () => {
     const root = await mkdtemp(path.join(tmpdir(), 'makelore-pi-extension-close-'));
     roots.push(root);