Remove analysis link and related code

- Removed Analysis navigation link from sidebar
- Removed AnalysisView component import and case from page.tsx
- Removed analysis from ViewMode type in app-store
- Removed analysis-related state (projectAnalysis, isAnalyzing) and actions
- Deleted analysis-view.tsx file
- Removed unused Search icon import

Generated with Claude Code https://claude.com/claude-code

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

app/src/components/layout/sidebar.tsx

@@ -16,7 +16,6 @@ import {
   ChevronRight,
   Folder,
   X,
-  Search,
   Wrench,
   PanelLeft,
   PanelLeftClose,
@@ -71,7 +70,6 @@ export function Sidebar() {
         { id: "spec", label: "Spec Editor", icon: FileText },
         { id: "context", label: "Context", icon: BookOpen },
         { id: "code", label: "Code View", icon: Code },
-        { id: "analysis", label: "Analysis", icon: Search },
         { id: "tools", label: "Agent Tools", icon: Wrench },
       ],
     },