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>

apps/web/src/modules/common/themed-image.tsx

@@ -0,0 +1,23 @@
+"use client";
+
+import Image from "next/image";
+import { useTheme } from "next-themes";
+import { preload } from "react-dom";
+
+import type { ComponentProps } from "react";
+
+export const ThemedImage = ({
+  light,
+  dark,
+  ...props
+}: Omit<ComponentProps<typeof Image>, "src"> & {
+  light: string;
+  dark: string;
+}) => {
+  preload(light, { as: "image" });
+  preload(dark, { as: "image" });
+
+  const { resolvedTheme } = useTheme();
+
+  return <Image src={resolvedTheme === "dark" ? dark : light} {...props} />;
+};