fix: restore .vscode/launch.json to match main

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Clement Fauchere

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Python Debugger: Attach",
+      "type": "debugpy",
+      "request": "attach",
+      "connect": {
+        "host": "localhost",
+        "port": 5678
+      }
+    }
+  ]
+}