feat(db): mesh data model — meshes, members, invites, audit log

- pgSchema "mesh" with 4 tables isolating the peer mesh domain
- Enums: visibility, transport, tier, role
- audit_log is metadata-only (E2E encryption enforced at broker/client)
- Cascade on mesh delete, soft-delete via archivedAt/revokedAt

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

packages/analytics/mobile/src/hooks/index.ts

@@ -0,0 +1 @@
+export * from "./use-tracking-permissions";

packages/analytics/mobile/src/hooks/use-tracking-permissions.tsx

@@ -0,0 +1,32 @@
+import { requestTrackingPermissionsAsync } from "expo-tracking-transparency";
+import { useEffect, useState, useCallback } from "react";
+import { AppState } from "react-native";
+
+export const useTrackingPermissions = () => {
+  const [granted, setGranted] = useState(false);
+
+  const checkPermission = useCallback(async () => {
+    const { granted: isGranted } = await requestTrackingPermissionsAsync();
+    setGranted(isGranted);
+  }, []);
+
+  useEffect(() => {
+    void checkPermission();
+  }, [checkPermission]);
+
+  useEffect(() => {
+    const subscription = AppState.addEventListener("change", (status) => {
+      if (status !== "active") {
+        return;
+      }
+
+      void checkPermission();
+    });
+
+    return () => {
+      subscription.remove();
+    };
+  }, [checkPermission]);
+
+  return granted;
+};