chore(config): simplify dependabot configuration and disable enhanced services for CPU-only deployment

- Simplify .github/dependabot.yml from 70 to 49 lines
  - Remove beta ecosystems, custom registries, and detailed ignore rules
  - Reduce open PR limits (npm: 10→5, github-actions: 5→3)
  - Remove custom labels and dependency-specific ignore rules
  - Consolidate npm configs from 2 directories to single root directory
  - Remove docker ecosystem configuration

- Add /health endpoint to coordinator

cli-dev/cli-test-config.yaml

@@ -0,0 +1,8 @@
+# CLI Test Configuration for Development
+coordinator_url: https://aitbc.bubuit.net
+api_key: null
+output_format: table
+config_file: /home/oib/windsurf/aitbc/cli-dev/cli-test-config.yaml
+test_mode: true
+timeout: 30
+debug: true