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/email/src/templates/_components/layout/header.tsx

@@ -0,0 +1,16 @@
+import { Img } from "@react-email/components";
+
+interface HeaderProps {
+  readonly origin: string;
+}
+
+export const Header = ({ origin }: HeaderProps) => {
+  return (
+    <Img
+      src={`${origin}/images/logo-text.png`}
+      alt="Turbostarter Logo"
+      className="mb-10"
+      height={45}
+    />
+  );
+};