归档贷款定价流程相关的 OpenSpec 变更

- 归档 add-loan-pricing-workflow：完成流程后端 API
- 归档 add-loan-pricing-frontend：完成前端列表和详情页面
- 归档 add-loan-pricing-create：完成前端创建功能
- 新增规范文件：loan-pricing-workflow 和 loan-pricing-workflow-ui
- 更新前端 API 和页面组件（新增创建流程功能）

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

.claude/settings.json

@@ -0,0 +1,7 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(openspec archive add-loan-pricing-frontend:*)"
+    ]
+  }
+}

.claude/settings.local.json

@@ -11,7 +11,9 @@
       "Bash(findstr:*)",
       "Bash(chcp:*)",
       "Bash(cmd.exe:*)",
-      "Bash(powershell -Command:*)"
+      "Bash(powershell -Command:*)",
+      "Bash(openspec archive add-loan-pricing-create:*)",
+      "Bash(git add:*)"
     ],
     "additionalDirectories": [
       "d:\\利率定价\\loan-pricing-892\\loan-pricing-892-v2.0"