check extension names don't have spoaces

plugins/template/extension_registry.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"os"
 	"path/filepath"
+	"strings"
 	"time"
 
 	"gopkg.in/yaml.v3"
@@ -118,9 +119,13 @@ func (r *ExtensionRegistry) Register(configPath string) error {
         return fmt.Errorf("failed to parse config file: %w", err)
     }
 
-    // Add validation
-    if err := r.validateExtensionDefinition(&ext); err != nil {
-        return fmt.Errorf("invalid extension configuration: %w", err)
+    // Validate extension name
+    if ext.Name == "" {
+        return fmt.Errorf("extension name cannot be empty")
+    }
+    
+    if strings.Contains(ext.Name, " ") {
+        return fmt.Errorf("extension name '%s' contains spaces - names must not contain spaces", ext.Name)
     }
 
     // Verify executable exists

plugins/template/template.go

@@ -15,18 +15,18 @@ var (
     fetchPlugin = &FetchPlugin{}
 	sysPlugin = &SysPlugin{} 
     extensionManager *ExtensionManager
-    Debug = true  // Debug flag
+    Debug = false  // Debug flag
 )
 
 
 func init() {
     homedir, err := os.UserHomeDir()
     if err != nil {
-        // We should probably handle this error appropriately
-        return
+        debugf("Warning: could not initialize extension manager: %v\n", err)
     }
     configDir := filepath.Join(homedir, ".config/fabric")
     extensionManager = NewExtensionManager(configDir)
+    // Extensions will work if registry exists, otherwise they'll just fail gracefully
 }
 
 var pluginPattern = regexp.MustCompile(`\{\{plugin:([^:]+):([^:]+)(?::([^}]+))?\}\}`)