feat(kernel): complete tree-first graph tasks 074-080

wolai-frontend/src/lib/sidebar-data.test.ts

@@ -136,6 +136,8 @@ describe("buildSidebarInitialData", () => {
     });
 
     expect(payload.activeWorkspaceId).toBe("ws_1");
+    expect(payload.kernelSidebarProjection?.projection).toBe("sidebar_tree");
+    expect(payload.kernelSidebarTree?.map((item) => item.id)).toEqual(["doc_1"]);
     expect(payload.mindmapDocs).toEqual(["doc_1"]);
     expect(payload.mindmapAssetChildren).toEqual({
       mind_1: ["img_a", "img_b"],
@@ -210,6 +212,24 @@ describe("buildSidebarInitialData", () => {
           updated_at: null,
         },
       ],
+      kernel_sidebar_projection: {
+        projectionId: "kernel_projection:sidebar_tree:workspace_root",
+        projection: "sidebar_tree",
+        rootNodeId: null,
+        items: [
+          {
+            nodeId: "doc_1",
+            parentNodeId: null,
+            nodeType: "page",
+            title: "页面 1",
+            depth: 0,
+            position: 1,
+            childCount: 0,
+            expandedByDefault: true,
+          },
+        ],
+        edges: [],
+      },
       trashed_documents: [],
       media_assets: [],
       trashed_media_assets: [],
@@ -247,6 +267,46 @@ describe("buildSidebarInitialData", () => {
           updated_at: null,
         },
       ],
+      kernelSidebarProjection: {
+        projectionId: "kernel_projection:sidebar_tree:workspace_root",
+        projection: "sidebar_tree",
+        rootNodeId: null,
+        items: [
+          {
+            nodeId: "doc_1",
+            parentNodeId: null,
+            nodeType: "page",
+            title: "页面 1",
+            depth: 0,
+            position: 1,
+            childCount: 0,
+            expandedByDefault: true,
+          },
+        ],
+        edges: [],
+      },
+      kernelSidebarTree: [
+        {
+          access_scope: "private",
+          id: "doc_1",
+          workspace_id: "ws_1",
+          title: "页面 1",
+          parent_id: null,
+          sort_order: 1,
+          is_starred: false,
+          is_template: false,
+          created_at: "2026-04-14T00:00:00Z",
+          updated_at: null,
+          children: [],
+          kernel: {
+            nodeType: "page",
+            depth: 0,
+            position: 1,
+            childCount: 0,
+            expandedByDefault: true,
+          },
+        },
+      ],
       trashedDocuments: [],
       trashedMediaAssets: [],
       trashedMindmapAssets: [],