refactor(dashboard): 项目 Dashboard 从 Features 改为 Sessions 视图

- 点击侧边栏项目名称时导航到 Dashboard
- Dashboard 主区域显示该项目的 Claude Code sessions 列表
- 支持 resume session 和下拉菜单操作
- GitHistory 的 features prop 改为可选

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: MarkShawn2020

src/components/GlobalHeader/GlobalHeader.tsx

@@ -72,17 +72,17 @@ export function GlobalHeader({
               icon={<img src="/logo.svg" alt="Lovcode" className="w-4 h-4" />}
               label="Lovcode"
             />
-            <NavButton
-              isActive={primaryFeature === "features"}
-              onClick={() => handleMainNavClick("features")}
-              icon={<LayersIcon className="w-4 h-4" />}
-              label="Features"
-            />
             <NavButton
               isActive={primaryFeature === "workspace"}
               onClick={() => handleMainNavClick("workspace")}
               icon={<RocketIcon className="w-4 h-4" />}
-              label="Workspace"
+              label="Dashboard"
+            />
+            <NavButton
+              isActive={primaryFeature === "features"}
+              onClick={() => handleMainNavClick("features")}
+              icon={<LayersIcon className="w-4 h-4" />}
+              label="Configuration"
             />
             <NavButton
               isActive={primaryFeature === "chat"}

src/components/GlobalHeader/VerticalFeatureTabs.tsx

@@ -143,15 +143,15 @@ function ProjectSessionsGroup({
   const handleSelectProject = async () => {
     if (!workspace) return;
 
-    const activeFeatureId = project.active_feature_id;
-    const mode = project.view_mode || "features";
-    navigate({ type: "workspace", projectId: project.id, featureId: activeFeatureId, mode });
-
-    if (workspace.active_project_id === project.id) return;
+    // Always navigate to dashboard when clicking project name
+    navigate({ type: "workspace", projectId: project.id, mode: "dashboard" });
 
     const newWorkspace: WorkspaceData = {
       ...workspace,
       active_project_id: project.id,
+      projects: workspace.projects.map((p) =>
+        p.id === project.id ? { ...p, view_mode: "dashboard" as const } : p
+      ),
     };
     setWorkspace(newWorkspace);
     await invoke("workspace_save", { data: newWorkspace });

src/views/Workspace/GitHistory.tsx

@@ -24,14 +24,14 @@ import type { CommitInfo, Feature } from "./types";
 
 interface GitHistoryProps {
   projectPath: string;
-  features: Feature[];
+  features?: Feature[];
   onRefresh?: () => void;
   embedded?: boolean;
 }
 
 type ViewMode = "feats" | "timeline";
 
-export function GitHistory({ projectPath, features, onRefresh, embedded = false }: GitHistoryProps) {
+export function GitHistory({ projectPath, features = [], onRefresh, embedded = false }: GitHistoryProps) {
   const [commits, setCommits] = useState<CommitInfo[]>([]);
   const [loading, setLoading] = useState(true);
   const [viewMode, setViewMode] = useState<ViewMode>("feats");