feat(httpapi): add local audit log with portal dual-write

Локальный audit_log (миграции pg/sqlite), GET /v1/audit, запись на CRUD и async push в auth-portal (source_app=bgp).

Co-authored-by: Cursor <[email protected]>

docs/openapi.yaml

@@ -59,6 +59,8 @@ tags:
     description: Сессия текущего API-ключа (tenant и роль).
   - name: Monitoring
     description: Наблюдаемость PostgreSQL и корреляция (instance-level, viewer+). Maintenance — operator.
+  - name: Audit
+    description: Журнал CRUD-изменений tenant (локально + опциональный push в auth-portal). Чтение — bgp:monitoring:read.
   - name: Maintenance
     description: Политики обслуживания PostgreSQL (instance-scoped). CRUD и запуск — operator.
   - name: RuntimeLogs
@@ -1297,6 +1299,70 @@ components:
         has_more:
           type: boolean
 
+    AuditSeverity:
+      type: string
+      enum: [info, warning, critical]
+
+    AuditLogEntry:
+      type: object
+      required:
+        [id, tenant_id, event_id, source_app, action, severity, summary, created_at]
+      properties:
+        id:
+          $ref: "#/components/schemas/ResourceId"
+        tenant_id:
+          $ref: "#/components/schemas/ResourceId"
+        event_id:
+          type: string
+          description: Stable id for portal ingest deduplication (prefix bgp-).
+        source_app:
+          type: string
+          enum: [bgp]
+        action:
+          type: string
+          description: Machine action key (e.g. bgp.module.create).
+        severity:
+          $ref: "#/components/schemas/AuditSeverity"
+        actor_user_id:
+          type: ["string", "null"]
+        actor_email:
+          type: ["string", "null"]
+        actor_name:
+          type: ["string", "null"]
+        actor_api_key_prefix:
+          type: ["string", "null"]
+        target_type:
+          type: ["string", "null"]
+          enum: [app_resource, null]
+        target_id:
+          type: ["string", "null"]
+        summary:
+          type: string
+        details:
+          type: ["object", "null"]
+          additionalProperties: true
+        ip:
+          type: ["string", "null"]
+        created_at:
+          type: string
+          format: date-time
+        portal_pushed_at:
+          type: ["string", "null"]
+          format: date-time
+
+    AuditLogList:
+      type: object
+      required: [items]
+      properties:
+        items:
+          type: array
+          items:
+            $ref: "#/components/schemas/AuditLogEntry"
+        next_cursor:
+          type: string
+        has_more:
+          type: boolean
+
     RuntimeLogAutoPolicy:
       type: object
       properties:
@@ -4520,6 +4586,40 @@ paths:
         default:
           $ref: "#/components/responses/DefaultProblem"
 
+  /v1/audit:
+    get:
+      tags: [Audit]
+      summary: Журнал CRUD audit tenant
+      description: |
+        Локальный журнал изменений (modules, peers, settings, API keys и т.д.).
+        При настроенных `AUTH_PORTAL_URL` + `AUTH_AUDIT_INGEST_SECRET` события также
+        отправляются в auth-portal ingest (`source_app=bgp`).
+      operationId: listAuditLog
+      parameters:
+        - $ref: "#/components/parameters/TenantId"
+        - $ref: "#/components/parameters/Cursor"
+        - $ref: "#/components/parameters/Limit"
+        - name: action
+          in: query
+          schema:
+            type: string
+          description: Filter by action prefix/key (exact match).
+        - name: severity
+          in: query
+          schema:
+            $ref: "#/components/schemas/AuditSeverity"
+      responses:
+        "200":
+          description: Успешно.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/AuditLogList"
+        "400":
+          $ref: "#/components/responses/BadRequest"
+        default:
+          $ref: "#/components/responses/DefaultProblem"
+
   /v1/settings:
     get:
       tags: [Settings]