feat(api): A5 审计采集、检索与导出

AuditInterceptor 成功 / 失败双写 audit_logs（响应前 await、脱敏、sink 缺失退化 Pino）；登录 / 权限 / 客户 / 字典 / 配置等既有动作补审计；审计列表 / 详情 / 动作目录 / 异步 CSV 导出 / HMAC 签名下载；分区维护与保留归档占位；OpenAPI 快照更新。

openapi/lingxi.openapi.json

@@ -1094,6 +1094,32 @@
         ]
       }
     },
+    "/health": {
+      "get": {
+        "description": "真实检查 PostgreSQL 与 Redis；任一不可用返回 503 与统一错误体。",
+        "operationId": "HealthController_check",
+        "parameters": [],
+        "responses": {
+          "200": {
+            "description": "全部依赖健康",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/HealthResponseDto"
+                }
+              }
+            }
+          },
+          "503": {
+            "description": "依赖不可用（错误码 50002），details 内附各依赖检查结果"
+          }
+        },
+        "summary": "健康检查",
+        "tags": [
+          "platform"
+        ]
+      }
+    },
     "/api/v1/system/configs": {
       "get": {
         "operationId": "SystemConfigController_list",
@@ -1172,29 +1198,143 @@
         ]
       }
     },
-    "/health": {
+    "/api/v1/audit-logs": {
       "get": {
-        "description": "真实检查 PostgreSQL 与 Redis；任一不可用返回 503 与统一错误体。",
-        "operationId": "HealthController_check",
+        "operationId": "AuditController_list",
         "parameters": [],
         "responses": {
           "200": {
-            "description": "全部依赖健康",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/HealthResponseDto"
-                }
-              }
-            }
-          },
-          "503": {
-            "description": "依赖不可用（错误码 50002），details 内附各依赖检查结果"
+            "description": ""
           }
         },
-        "summary": "健康检查",
+        "security": [
+          {
+            "bearer": []
+          }
+        ],
+        "summary": "审计日志列表（多条件筛选 + 游标分页，稳定排序 occurred_at DESC, id DESC）",
         "tags": [
-          "platform"
+          "platform-audit"
+        ]
+      }
+    },
+    "/api/v1/audit-logs/actions": {
+      "get": {
+        "operationId": "AuditController_actions",
+        "parameters": [],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          }
+        ],
+        "summary": "审计动作目录（中文名 / 分类 / 对象类型，供筛选下拉）",
+        "tags": [
+          "platform-audit"
+        ]
+      }
+    },
+    "/api/v1/audit-logs/export": {
+      "post": {
+        "operationId": "AuditController_createExport",
+        "parameters": [],
+        "responses": {
+          "201": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          }
+        ],
+        "summary": "创建审计导出任务（异步，立即返回 queued；导出本身写审计）",
+        "tags": [
+          "platform-audit"
+        ]
+      }
+    },
+    "/api/v1/audit-logs/exports": {
+      "get": {
+        "operationId": "AuditController_listExports",
+        "parameters": [],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          }
+        ],
+        "summary": "我的审计导出任务（按发起时间倒序）",
+        "tags": [
+          "platform-audit"
+        ]
+      }
+    },
+    "/api/v1/audit-logs/exports/{id}": {
+      "get": {
+        "operationId": "AuditController_getExport",
+        "parameters": [],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          }
+        ],
+        "summary": "导出任务进度（status / progress / rowCount / fileSize / expiresAt）",
+        "tags": [
+          "platform-audit"
+        ]
+      }
+    },
+    "/api/v1/audit-logs/exports/{id}/download": {
+      "get": {
+        "operationId": "AuditController_download",
+        "parameters": [],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          }
+        ],
+        "summary": "下载审计导出 CSV（短时效 HMAC 签名链接，无需登录）",
+        "tags": [
+          "platform-audit"
+        ]
+      }
+    },
+    "/api/v1/audit-logs/{id}": {
+      "get": {
+        "operationId": "AuditController_detail",
+        "parameters": [],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          }
+        ],
+        "summary": "审计日志详情（before / after / changes / diff / trace / ip / ua）",
+        "tags": [
+          "platform-audit"
         ]
       }
     }