Add Asterisk configuration and diagnostics support

- Updated .env.example to include Asterisk templates path.
- Modified docker-compose.yml to mount the templates directory.
- Enhanced backend Dockerfile to copy templates into the container.
- Introduced Asterisk diagnostics functionality in asterisk_profiles.py, allowing for baseline checks and diagnostics reporting.
- Integrated Asterisk diagnostics into the device diagnostics workflow in graph.py.
- Added formatting for Asterisk baseline drift reports in diagnostic_format.py.
- Updated SKILL.md to document new config baseline drift feature for Asterisk.

This commit enhances the system's capabilities for managing Asterisk configurations and diagnostics, improving overall troubleshooting processes.

.env.example

@@ -123,6 +123,13 @@ SKILLS_PATH=/app/skills
 SKILLS_MAX_MATCHED=2
 SKILLS_MAX_BODY_CHARS=8000
 
+# Asterisk golden config templates (templates/asterisk/<profile>/manifest.yaml)
+ASTERISK_TEMPLATES_PATH=/app/templates/asterisk
+# Per-vessel overrides when not using inventory metadata:
+# ASTERISK_BASELINE_ASTERISK_IP=10.20.30.222
+# ASTERISK_BASELINE_PHONE_SUBNET=192.168.0.0/24
+# ASTERISK_BASELINE_VOIP_SUBNET=10.20.30.0/24
+
 # ---- Frontend ---------------------------------------------------------
 # Public URL the browser uses to reach the backend API
 NEXT_PUBLIC_API_BASE_URL=http://localhost:8000