feat: AI terminal, Z.AI quota, /model change, formatting fixes, update redirects

- Add dedicated AI Terminal tab (non-deletable) shared between user and AI
- Add Z.AI quota display on dashboard via /api/monitor/usage/quota/limit
- Add /model change command in Studio to toggle MiniMax/ZAI
- Apply Studio formatting (formatText, renderContent) to Shell AI messages
- Add render tick refresh for Shell (1s streaming, 5s idle)
- Add analysis viewer modal (Eye button) in Shell panel
- Fix multi-shell tab creation with retry init and settings ref
- Persist shell tabs to localStorage
- Fix line spacing in Studio (line-height 1.7→1.5, cleanup stray <br/>)
- Redirect Config updates to AI terminal via custom events
- Fix CI: delete existing release before recreating
- Bump version to 0.3.4

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

web/src/api/client.js

@@ -60,6 +60,7 @@ const api = {
   getShellChatHistory: () => request('/shell/chat/history'),
   clearShellChat: () => request('/shell/chat/clear', { method: 'POST' }),
   analyzeSystem: () => request('/shell/analyze', { method: 'POST' }),
+  getShellAnalysis: () => request('/shell/analysis'),
   sendChat: (message, stream = true, onChunk, signal) => {
     if (!stream) {
       return request('/chat', { method: 'POST', body: JSON.stringify({ message, stream: false }) })