Web: link and serve the file

main.py

@@ -182,7 +182,7 @@ def query(db_path: str, query_text: str):
 def start_web_server(db_path: str, host: str = "127.0.0.1", port: int = 5000):
     """Start a web server for the semantic search tool."""
     try:
-        from flask import Flask, request, jsonify, render_template
+        from flask import Flask, request, jsonify, render_template, send_file
     except ImportError:
         print("❌ Flask not found. Please install it first:")
         print("   pip install flask")
@@ -201,6 +201,22 @@ def start_web_server(db_path: str, host: str = "127.0.0.1", port: int = 5000):
     def index():
         return render_template("index.html", results=None)
     
+    @app.route('/file/<path:document_path>')
+    def serve_file(document_path):
+        """Serve PDF files directly."""
+        try:
+            file_path = Path(document_path)
+            if not file_path.exists():
+                return jsonify({'error': 'File not found'}), 404
+            
+            # Check if it's a PDF file for security
+            if file_path.suffix.lower() != '.pdf':
+                return jsonify({'error': 'Only PDF files are allowed'}), 403
+            
+            return send_file(file_path, as_attachment=False)
+        except Exception as e:
+            return jsonify({'error': str(e)}), 500
+    
     @app.route('/api/search', methods=['POST'])
     def search():
         try:
@@ -221,6 +237,7 @@ def start_web_server(db_path: str, host: str = "127.0.0.1", port: int = 5000):
                 formatted_results.append({
                     'distance': float(distance),
                     'document': record.document.name,
+                    'document_path': str(record.document),  # Full path for the link
                     'page': record.page,
                     'chunk': record.chunk,
                     'text': ' '.join(record.text[:300].split())  # Clean and truncate text