docs: 新增V30.0版本相关设计文档与指南

新增服务器启动文档、设计说明书、风险清单等核心文档
补充前端集成蓝图、多租户实施清单、上线红线检查清单
添加质量保障文档与早期业务规格书

docs/blueprints/frontend-integration/approval-center.md

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+# Frontend Integration: Approval Center (通用审批中心)
+
+## 🎨 UI Layout Sketch
+- **Page Path**: `/governance/approval`
+- **Component Structure**:
+  - `ApprovalSummary`: Top metrics (Pending Approvals, Approved, Rejected).
+  - `ApprovalTabs`: "My Pending", "My History", "All (Admin only)".
+  - `ApprovalCardList`: Grid showing:
+    - Type icon (e.g., `HIGH_VALUE_ORDER` in red, `PRICE_CHANGE` in blue).
+    - Status Badge (e.g., `PENDING` in orange, `APPROVED` in green).
+    - Stage indicator: `Stage 1/2` (Manager), `Stage 2/2` (Finance).
+    - Requester & Date.
+    - Resource ID & Description.
+  - `ApprovalDetailModal`:
+    - Full details (Metadata, Amount, etc.).
+    - Decision log (who approved which stage).
+    - Decision Narrative from `DecisionExplainabilityEngine`.
+    - "Approve", "Reject", "Comment" actions.
+
+## 🔄 Interaction State Machine
+- `INITIAL`: Fetching pending requests.
+- `PENDING`: Request listed for approver.
+- `STAGE_TRANSITION`: Request moving from Stage 1 to Stage 2.
+- `APPROVED`: Final approval reached.
+- `REJECTED`: Request terminated at any stage.
+
+## 🔗 API Mapping
+- `GET /api/v1/approval/pending`: Fetches `cf_approval_requests` with `status=PENDING`.
+- `POST /api/v1/approval/approve`: Triggers `ApprovalService.approve`.
+- `GET /api/v1/approval/history`: Fetches `cf_approval_requests` with `status=APPROVED|REJECTED`.
+
+## 📈 ROI Visualization
+- "Compliance Audit Trail": 100% visibility of sensitive actions.
+- "Approval Latency": Average time from request to final decision.