Fix Go module imports and add dynamic Ollama model selection with N8N integration

- Fixed module path from github.com/deepblackcloud/bzzz to github.com/anthonyrawlins/bzzz
- Added dynamic Ollama model detection via /api/tags endpoint
- Implemented intelligent model selection through N8N webhook integration
- Added BZZZ_MODEL_SELECTION_WEBHOOK environment variable support
- Fixed GitHub assignee issue by using valid username instead of peer ID
- Added comprehensive model fallback mechanisms
- Updated all import statements across the codebase
- Removed duplicate systemd service file
- Added sandbox execution environment and type definitions

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

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

DEVELOPMENT_PLAN.md

@@ -64,7 +64,7 @@ Based on comprehensive analysis of the existing Hive infrastructure and Bzzz's P
 # Docker Compose configuration for bzzz-agent
 services:
   bzzz-agent:
-    image: bzzz-agent:latest
+    image: registry.home.deepblack.cloud/tony/bzzz-agent:latest
     network_mode: "host"  # Direct host network access for P2P
     volumes:
       - ./data:/app/data