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/chat/thread/index.tsx

@@ -0,0 +1,39 @@
+"use client";
+
+import { Role } from "@turbostarter/ai/chat/types";
+
+import { Thread } from "../../common/ai/thread";
+import { useComposer } from "../composer/hooks/use-composer";
+
+import { AssistantMessage } from "./message/assistant";
+import { UserMessage } from "./message/user";
+
+import type { ChatMessage } from "@turbostarter/ai/chat/types";
+
+interface ChatProps {
+  readonly id?: string;
+  readonly initialMessages?: ChatMessage[];
+}
+
+const components = {
+  [Role.USER]: UserMessage,
+  [Role.ASSISTANT]: AssistantMessage,
+};
+
+export const Chat = ({ id, initialMessages }: ChatProps = {}) => {
+  const { messages, regenerate, error, status } = useComposer({
+    id,
+    initialMessages,
+  });
+
+  return (
+    <Thread
+      messages={messages}
+      initialMessages={initialMessages}
+      status={status}
+      components={components}
+      error={error}
+      regenerate={regenerate}
+    />
+  );
+};