diff --git a/AGENTS.md b/AGENTS.md
index 3a90a6c..27c61a6 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -410,7 +410,23 @@ myservice_router = Router(myservice_routes)
 app.mount("/api/env/{env_id}/services/myservice", myservice_router)
 ```
 
-**5. Write a seed script** in `backend/utils/seed_myservice_template.py` that:
+**5. Register the service with the platform API** in `src/platform/api/models.py`.
+Add it to the `Service` enum so `initEnv` (and other platform endpoints that take
+a `templateService`) will accept the new value:
+
+```python
+class Service(str, Enum):
+    slack = "slack"
+    linear = "linear"
+    calendar = "calendar"
+    box = "box"
+    myservice = "myservice"   # ← add this
+```
+
+If you skip this step, `POST /api/platform/initEnv` returns a Pydantic enum
+validation error even though the template rows exist and the router is mounted.
+
+**6. Write a seed script** in `backend/utils/seed_myservice_template.py` that:
 - Creates the PostgreSQL schema (e.g. `myservice_default`)
 - Uses `Base.metadata.create_all()` to create tables
 - Inserts seed data from a JSON file
@@ -419,10 +435,10 @@ app.mount("/api/env/{env_id}/services/myservice", myservice_router)
 Follow `seed_slack_template.py` as a reference — it shows the full pattern including
 schema creation, table ordering, and template registration.
 
-**6. Add seed data** in `examples/myservice/seeds/myservice_default.json` and copy to
+**7. Add seed data** in `examples/myservice/seeds/myservice_default.json` and copy to
 `backend/seeds/myservice/` for Docker builds.
 
-**7. Register the seed script** in the Docker startup command in `ops/docker-compose.yml`:
+**8. Register the seed script** in the Docker startup command in `ops/docker-compose.yml`:
 
 ```yaml
 command: >
diff --git a/backend/src/platform/api/main.py b/backend/src/platform/api/main.py
index f5d4df5..aa4b7cf 100644
--- a/backend/src/platform/api/main.py
+++ b/backend/src/platform/api/main.py
@@ -1,3 +1,5 @@
+from contextlib import asynccontextmanager
+
 from sqlalchemy import create_engine
 from sqlalchemy.pool import NullPool
 from src.platform.isolationEngine.session import SessionManager
@@ -35,7 +37,13 @@
 
 
 def create_app():
-    app = Starlette()
+    @asynccontextmanager
+    async def lifespan(app_):
+        yield
+        if getattr(app_.state, "replication_service", None):
+            app_.state.replication_service.stop()
+
+    app = Starlette(lifespan=lifespan)
     db_url = environ["DATABASE_URL"]
 
     # Use NullPool when using Neon's PgBouncer (-pooler) to avoid double pooling
@@ -143,12 +151,6 @@ def create_app():
 
     app.mount("/api/env/{env_id}/services/linear", linear_graphql)
 
-    @app.on_event("shutdown")
-    async def shutdown_event():
-        # Stop replication service if running (it's on-demand now)
-        if app.state.replication_service:
-            app.state.replication_service.stop()
-
     return app
 
 
diff --git a/backend/src/platform/api/models.py b/backend/src/platform/api/models.py
index 6a6df6a..3bdd9d9 100644
--- a/backend/src/platform/api/models.py
+++ b/backend/src/platform/api/models.py
@@ -13,6 +13,7 @@ class Service(str, Enum):
     linear = "linear"
     calendar = "calendar"
     box = "box"
+    github = "github"
 
 
 class Visibility(str, Enum):