feat(rag): skip document chunks marked for exclusion

main.py

@@ -341,10 +341,24 @@ async def main():
                     console.print("No documents found to analyze!", style="red")
                     continue
 
+                # Exclude chunks where metadata has exclude: true
+                filtered_pairs = [
+                    (text, meta) for text, meta in zip(all_texts, all_metas)
+                    if meta and not meta.get('exclude', False)
+                ]
+
+                excluded_count = len(all_texts) - len(filtered_pairs)
+                if excluded_count > 0:
+                    console.print(f"ℹ Excluded {excluded_count} chunks marked 'exclude: true'", style="dim")
+                
+                if not filtered_pairs:
+                    console.print("All documents are marked for exclusion. Nothing to analyze.", style="yellow")
+                    continue
+
                 full_context = ""
                 char_count = 0
                 
-                paired = sorted(zip(all_texts, all_metas), key=lambda x: x[1]['source'])
+                paired = sorted(filtered_pairs, key=lambda x: x[1]['source'])
                 
                 for text, meta in paired:
                     entry = f"\n---\nSource: {Path(meta['source']).name}\n{text}\n"