✨ feat(typescript): add standards docs and sync rewrite coverage

tests/test_sync_templates_placeholders.py

@@ -16,6 +16,15 @@ def run_cli(*args):
     )
 
 
+def run_script(script_path: Path, *args, cwd: Path | None = None):
+    return subprocess.run(
+        [sys.executable, str(script_path), *args],
+        capture_output=True,
+        text=True,
+        cwd=str(cwd) if cwd else None,
+    )
+
+
 class SyncTemplatesPlaceholdersTests(unittest.TestCase):
     def test_main_language_placeholder_replaced(self):
         with tempfile.TemporaryDirectory() as tmp_dir:
@@ -44,6 +53,49 @@ langs = [\"cpp\", \"tsl\"]
             self.assertIn("docs/standards/playbook/scripts/plan_progress.py", rules_text)
             self.assertNotIn("{{PLAYBOOK_SCRIPTS}}", rules_text)
 
+    def test_sync_standards_rewrites_typescript_docs_prefix_for_vendored_playbook(self):
+        with tempfile.TemporaryDirectory() as tmp_dir:
+            root = Path(tmp_dir)
+            vendor_config = root / "vendor.toml"
+            vendor_config.write_text(
+                f"""
+[playbook]
+project_root = "{tmp_dir}"
+
+[vendor]
+langs = ["typescript"]
+""",
+                encoding="utf-8",
+            )
+
+            vendor_result = run_cli("-config", str(vendor_config))
+            self.assertEqual(vendor_result.returncode, 0, msg=vendor_result.stderr)
+
+            sync_config = root / "sync.toml"
+            sync_config.write_text(
+                f"""
+[playbook]
+project_root = "{tmp_dir}"
+
+[sync_standards]
+langs = ["typescript"]
+""",
+                encoding="utf-8",
+            )
+
+            vendored_script = (
+                root / "docs" / "standards" / "playbook" / "scripts" / "playbook.py"
+            )
+            sync_result = run_script(
+                vendored_script, "-config", str(sync_config), cwd=root
+            )
+            self.assertEqual(sync_result.returncode, 0, msg=sync_result.stderr)
+
+            agents_index = root / ".agents" / "typescript" / "index.md"
+            text = agents_index.read_text(encoding="utf-8")
+            self.assertIn("`docs/standards/playbook/docs/typescript/", text)
+            self.assertNotIn("`docs/typescript/", text)
+
 
 if __name__ == "__main__":
     unittest.main()