Fix bridge: PYTHONPATH con pylibs per websockets (bridge.py falliva con ModuleNotFoundError)

extensions/firefox-bidi.ts

@@ -36,6 +36,8 @@ const SCRIPT =
   process.env.FIREFOX_BIDI_SCRIPT ?? "/home/enne2/Dev/firefox-bidi/start-firefox-bidi.sh";
 const BRIDGE_PY =
   process.env.FIREFOX_BIDI_BRIDGE_PY ?? "/home/enne2/Dev/firefox-bidi/bridge/bridge.py";
+const BRIDGE_PYLIBS =
+  process.env.FIREFOX_BIDI_PYLIBS ?? "/home/enne2/Dev/firefox-bidi/pylibs";
 
 const DEFAULT_TIMEOUT_MS = 120_000; // comandi BiDi lunghi (navigate wait:"complete")
 const STATUS_TIMEOUT_MS = 5_000;
@@ -166,7 +168,14 @@ async function startFirefox(profile: "dedicated" | "main"): Promise<void> {
 }
 
 function startBridgeProcess(): void {
-  bridgeProcess = spawn("python3", [BRIDGE_PY], { stdio: "ignore", detached: true });
+  bridgeProcess = spawn("python3", [BRIDGE_PY], {
+    stdio: "ignore",
+    detached: true,
+    env: {
+      ...process.env,
+      PYTHONPATH: [BRIDGE_PYLIBS, process.env.PYTHONPATH ?? ""].filter(Boolean).join(":"),
+    },
+  });
   bridgeProcess.unref();
 }