Add cron schedules and sync docs

README.md

@@ -110,8 +110,8 @@ The server owns incident and notification lifecycle. The agent sends facts only.
 The web UI is read-only for monitoring state; agent admission and blacklist
 controls are the v1 mutation surface.
 
-Public API contracts live in `api/openapi.yaml`. Design and operations docs live
-under `docs/`.
+Public API contracts live in `api/openapi.yaml`. Design and operations docs start
+at `docs/index.md`.
 
 ## Non-Goals
 
@@ -134,6 +134,7 @@ Start with:
 3. [server/README.md](server/README.md)
 4. [web/README.md](web/README.md)
 5. [api/README.md](api/README.md)
+6. [docs/index.md](docs/index.md)
 
 Dependency caches and virtual environments are kept inside the repository. See
 the component READMEs for current local development commands.