docs(standards): vendor template into MCP bundle; add component tools + start_app prompt

standards/mcp/templates/app/tests/unit/test_item_sync.py

@@ -0,0 +1,28 @@
+from types import SimpleNamespace
+
+from pipelines.item_sync import run_item_sync
+
+
+class FakeItemSvc:
+    def __init__(self):
+        self.created = []
+
+    async def create(self, data: dict):
+        self.created.append(dict(data))
+
+
+async def test_run_item_sync_creates_item():
+    svc = FakeItemSvc()
+    job = SimpleNamespace(id="j1", name="widget", payload={"quantity": 4})
+    await run_item_sync(job, {"item_svc": svc})
+
+    assert len(svc.created) == 1
+    assert svc.created[0] == {"name": "widget", "quantity": 4}
+
+
+async def test_run_item_sync_uses_payload_name():
+    svc = FakeItemSvc()
+    job = SimpleNamespace(id="j1", name="ignored", payload={"name": "gadget"})
+    await run_item_sync(job, {"item_svc": svc})
+
+    assert svc.created[0]["name"] == "gadget"