fix: use consistent path pattern for all supervisor services

All services now use directory=. with relative paths in command,
matching the comfyui service configuration pattern.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

supervisord.conf

@@ -41,8 +41,8 @@ stopwaitsecs=30
 
 # AI Model Orchestrator
 [program:orchestrator]
-command=venv/bin/python orchestrator_subprocess.py
-directory=model-orchestrator
+command=model-orchestrator/venv/bin/python model-orchestrator/orchestrator_subprocess.py
+directory=.
 autostart=false
 autorestart=true
 startretries=3
@@ -58,8 +58,8 @@ stopwaitsecs=30
 
 # ComfyUI WebDAV Sync Service
 [program:webdav-sync]
-command=venv/bin/python webdav_sync.py
-directory=webdav-sync
+command=webdav-sync/venv/bin/python webdav-sync/webdav_sync.py
+directory=.
 autostart=true
 autorestart=true
 startretries=3