Fix Docker Compose service name in AGENTS.md — use app instead of nonexistent mkdocs/python services (PR #118 review feedback)

Author: mrbiggred

AGENTS.md

@@ -15,17 +15,17 @@ Weekly Dev Chat website — MkDocs Material static site. Read `mkdocs.yml` and r
 
 - Pushing to `main` triggers automatic deployment to production. Do not push without explicit approval.
 - Do not modify `.github/workflows/ci.yml` unless explicitly asked.
-- Verify changes build cleanly with `docker compose run mkdocs serve` before committing.
+- Verify changes build cleanly with `docker compose run --rm app mkdocs serve` before committing.
 
 ## Using Docker Compose
 
 All Python, mkdocs, and similar commands should run via Docker Compose to ensure consistent Python versions:
 
 ```bash
-docker compose run --rm mkdocs <command>
+docker compose run --rm app <command>
 
 # Examples:
-docker compose run --rm mkdocs serve
-docker compose run --rm mkdocs build
-docker compose run --rm python -m pip list
+docker compose run --rm app mkdocs serve
+docker compose run --rm app mkdocs build
+docker compose run --rm app python -m pip list
 ```