fix(mitm): update Kiro API endpoint to runtime.us-east-1.kiro.dev

Kiro IDE changed its API endpoint from q.us-east-1.amazonaws.com to
runtime.us-east-1.kiro.dev. Old domains kept as fallback.

- mitm/config.js: add new hosts to TARGET_HOSTS + getToolForHost()
- cliTools.js: update mitmDomain to new endpoint
- mitmToolHosts.js: prepend new domain (keep legacy for compat)
- dataDir.js: on Windows ignore Unix-style DATA_DIR paths

Co-authored-by: joutvhu <joutvhu@users.noreply.github.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/dataDir.js

@@ -14,6 +14,14 @@ function defaultDir() {
 export function getDataDir() {
   const configured = process.env.DATA_DIR;
   if (!configured) return defaultDir();
+
+  // On Windows, ignore Unix-style absolute paths (e.g. /var/lib/...) that come
+  // from a Linux-targeted .env or Docker config — they are not valid here.
+  if (process.platform === "win32" && /^\//.test(configured)) {
+    console.warn(`[DATA_DIR] '${configured}' is a Unix path on Windows → fallback to default`);
+    return defaultDir();
+  }
+
   try {
     fs.mkdirSync(configured, { recursive: true });
     return configured;