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>

cmd/test_runner.go

@@ -9,10 +9,10 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/deepblackcloud/bzzz/discovery"
-	"github.com/deepblackcloud/bzzz/p2p"
-	"github.com/deepblackcloud/bzzz/pubsub"
-	"github.com/deepblackcloud/bzzz/test"
+	"github.com/anthonyrawlins/bzzz/discovery"
+	"github.com/anthonyrawlins/bzzz/p2p"
+	"github.com/anthonyrawlins/bzzz/pubsub"
+	"github.com/anthonyrawlins/bzzz/test"
 )
 
 func main() {