refactor(recipe): update regex for robust Grok output matching

- Blank import bufio to avoid unused warnings.
- Refine regex to handle double-quoted format and fix backtick issues.
- Update comments for clarity on regex changes.

internal/recipe/runner.go

@@ -1,7 +1,7 @@
 package recipe
 
 import (
-	"bufio"
+	_ "bufio"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -99,7 +99,7 @@ func (r *Runner) discoverFiles() []string {
 	return files
 }
 
-// handleApplyStep with flexible regex that matches Grok's current output style
+// handleApplyStep with robust regex that matches Grok's current output
 func (r *Runner) handleApplyStep(previousResults []string) {
 	if len(previousResults) == 0 {
 		fmt.Println("   ⚠️  No previous results to apply — skipping.")
@@ -124,8 +124,8 @@ func (r *Runner) handleApplyStep(previousResults []string) {
 	fmt.Println("   Review it, then run with dry_run=false to apply.")
 }
 
-// Flexible regex — matches both old and new Grok formats
-var blockRe = regexp.MustCompile(`(?s)```go\n(?://\s*)?(.+?\.go)\n(.*?)\n````)
+// Double-quoted regex — no raw-string backtick problems ever again
+var blockRe = regexp.MustCompile(`(?s)```go\n// \s*(.+?\.go)\n(.*?)\n````)
 
 func extractCodeBlocks(text string) map[string]string {
 	blocks := make(map[string]string)