feat: 提交 task-045 至 task-058 收口产物

- 收口 rust final closure checklist，推进页面/块系统/Mindmap/CLI/AI tools 到最终 cutover 状态

- 按 ai-frontend-simplification-plan-v1 接入 Hermes bridge，合并 AI 面板并清理旧前端编排残留

- 补充 harness 任务与进度记录，加入 CLI smoke 夹具/脚本，并修正文档页 bridge SSR 自请求回退逻辑

wolai-frontend/src/app/api/mindmap-trash/empty/route.ts

@@ -1,9 +1,15 @@
 import { NextResponse } from "next/server";
 import { isConvexEnabled } from "@/lib/convex/enabled";
 import { getAuthedConvexClient } from "@/lib/convex/route";
-import { api } from "@/lib/convex/api";
-import { buildDocumentBridgeContextWithActor } from "@/lib/documents/bridge";
-import { executeRustBridgeTool } from "@/lib/documents/rust-runtime";
+import {
+  buildDocumentBridgeContextWithActor,
+  buildDocumentCommandEnvelope,
+  documentBridgeErrorResponse,
+} from "@/lib/documents/bridge";
+import {
+  executeRustBridgeMutationTransport,
+  resolveRustBridgeCommandPlan,
+} from "@/lib/documents/rust-runtime";
 
 export const dynamic = "force-dynamic";
 
@@ -13,39 +19,47 @@ interface EmptyTrashPayload {
 
 export async function POST(request: Request) {
   if (isConvexEnabled()) {
-    const { client } = await getAuthedConvexClient();
+    const { auth, client } = await getAuthedConvexClient();
     const { workspaceId }: EmptyTrashPayload = await request.json().catch(() => ({}));
     if (!workspaceId) {
       return NextResponse.json({ error: "缺少 workspaceId" }, { status: 400 });
     }
 
-    const context = buildDocumentBridgeContextWithActor({
-      request,
-      actor: {
-        actorType: "service",
-        actorId: "mindmap-trash-empty",
-        sessionId: null,
-      },
-      workspaceId,
-      source: {
-        channel: "mindmap-trash-route",
-        client: "wolai-frontend",
-      },
-    });
-    await executeRustBridgeTool({
-      context,
-      toolName: "mindmap_empty_trash",
-      invocationKind: "command",
-      args: { workspaceId },
-      data: { workspaceId, source: "mindmap-trash-empty" },
-      mode: "result",
-    });
-
     try {
-      const result = await client.mutation(api.mindmaps.emptyTrashByWorkspace, { workspaceId });
+      const context = buildDocumentBridgeContextWithActor({
+        request,
+        actor: {
+          actorType: "user",
+          actorId: auth.userId,
+          sessionId: null,
+        },
+        workspaceId,
+        source: {
+          channel: "mindmap-trash-route",
+          client: "wolai-frontend",
+        },
+      });
+      const envelope = buildDocumentCommandEnvelope({
+        name: "mindmaps.emptyTrashByWorkspace",
+        payload: { workspaceId },
+        context,
+        target: {
+          workspaceId,
+        },
+        reason: "mindmap-trash:empty",
+        refs: ["task-047", "mindmap-trash"],
+      });
+      const plan = await resolveRustBridgeCommandPlan({ context, envelope });
+      const result = await executeRustBridgeMutationTransport<{
+        ok?: boolean;
+        deletedCount?: number;
+      }>({
+        client,
+        plan,
+      });
       return NextResponse.json({ ok: true, removed: result?.deletedCount ?? 0 });
     } catch (error) {
-      return NextResponse.json({ error: (error as Error).message }, { status: 400 });
+      return documentBridgeErrorResponse(error);
     }
   }