docs(wiki): BUG-M4/L1 已修复 + wiki 数字更新

- BUG-M4 标记为已修复 (admin_guard_middleware)
- BUG-L1 标记为已验证修复 (代码已统一为 pain_seed_categories)
- E2E 04-17 MEDIUM/LOW 全部关闭
- butler.md/log.md: pain_seeds → pain_seed_categories

wiki/routing.md

@@ -1,6 +1,6 @@
 ---
 title: 客户端路由
-updated: 2026-04-14
+updated: 2026-04-17
 status: active
 tags: [module, routing, connection]
 ---
@@ -114,16 +114,16 @@ desktop/src/store/
     └── streamStore.ts    流式编排
 ```
 
-### lib/ 工具层 (85 个文件)
+### lib/ 工具层 (76 个文件)
 
 关键分类:
 
 | 类别 | 文件 | 数量 |
 |------|------|------|
 | Kernel 通信 | kernel-chat/kernel-client/kernel-agent/... | 7 |
-| SaaS 通信 | saas-client/saas-auth/saas-billing/... | 9 |
+| SaaS 通信 | saas-client/saas-auth/saas-billing/saas-relay/... | 12 |
 | Gateway | gateway-client/gateway-api/gateway-auth/... | 6 |
-| Intelligence | intelligence-client/ + 5 fallback | 7 |
+| Intelligence | intelligence-backend/intelligence-client | 2 |
 | 工具 | config-parser/crypto-utils/logger/utils | 10+ |
 | Tauri 集成 | safe-tauri/tauri-gateway/secure-storage | 3 |