Add TOOL_HOSTS constant for per-tool DNS mapping and integrate into MitmToolCard component (#788)

src/shared/constants/mitmToolHosts.js

@@ -0,0 +1,12 @@
+/**
+ * Per-tool DNS hosts — written to hosts file as 127.0.0.1 when MITM DNS is enabled.
+ * Kept in sync with MITM routing; shared by Node (dnsConfig) and dashboard UI.
+ */
+const TOOL_HOSTS = {
+  antigravity: ["daily-cloudcode-pa.googleapis.com", "cloudcode-pa.googleapis.com"],
+  copilot: ["api.individual.githubcopilot.com"],
+  kiro: ["q.us-east-1.amazonaws.com", "codewhisperer.us-east-1.amazonaws.com"],
+  cursor: ["api2.cursor.sh"],
+};
+
+module.exports = { TOOL_HOSTS };