feat(routing): 引入多执行池智能调度

将 Worker 发现、路由画像、容量与执行传输抽象为平台无关接口，新增 Kubernetes 和静态容量适配器，并以 shadow 模式接入生产配置。

实现网络与容量评分、路由防抖、池队列、同步 Worker 租约、一次性执行令牌，以及提交状态不明时禁止重复分配的安全语义。

新增 0105 兼容迁移、管理接口、指标、OpenAPI 和回归测试。已执行全量 Go 测试、go vet、OpenAPI、迁移安全、Compose 与 Kustomize 验证。

apps/api/docs/swagger.yaml

@@ -72,6 +72,119 @@ definitions:
           $ref: '#/definitions/store.AccessRule'
         type: array
     type: object
+  httpapi.AdminExecutionPool:
+    properties:
+      capabilities:
+        additionalProperties: {}
+        type: object
+      capacity:
+        $ref: '#/definitions/httpapi.AdminExecutionPoolCapacity'
+      labels:
+        additionalProperties:
+          type: string
+        type: object
+      poolId:
+        type: string
+      state:
+        type: string
+      workers:
+        items:
+          $ref: '#/definitions/httpapi.AdminExecutionPoolWorker'
+        type: array
+    type: object
+  httpapi.AdminExecutionPoolCapacity:
+    properties:
+      activeTasks:
+        type: integer
+      allocated:
+        type: integer
+      critical:
+        type: boolean
+      estimatedQueueWaitMs:
+        type: integer
+      heavyCapacity:
+        type: integer
+      heavyTasks:
+        type: integer
+      queueDepth:
+        type: integer
+      resourceHeadroom:
+        type: number
+      safeCapacity:
+        type: integer
+      sampledAt:
+        type: string
+      stability:
+        type: number
+      workerCount:
+        type: integer
+    type: object
+  httpapi.AdminExecutionPoolResponse:
+    properties:
+      capturedAt:
+        type: string
+      pools:
+        items:
+          $ref: '#/definitions/httpapi.AdminExecutionPool'
+        type: array
+      routeHealth:
+        items:
+          $ref: '#/definitions/httpapi.AdminRouteHealth'
+        type: array
+    type: object
+  httpapi.AdminExecutionPoolWorker:
+    properties:
+      activeTasks:
+        type: integer
+      allocated:
+        type: integer
+      capabilities:
+        additionalProperties: {}
+        type: object
+      heartbeatAt:
+        type: string
+      instanceId:
+        type: string
+      pressureState:
+        type: string
+      protocolVersion:
+        type: string
+      revision:
+        type: string
+      safeCapacity:
+        type: integer
+      workerId:
+        type: string
+    type: object
+  httpapi.AdminRouteHealth:
+    properties:
+      connectTlsP95Ms:
+        type: integer
+      consecutiveFailures:
+        type: integer
+      consecutiveSuccesses:
+        type: integer
+      expiresAt:
+        type: string
+      firstByteP95Ms:
+        type: integer
+      jitterP95Ms:
+        type: integer
+      poolId:
+        type: string
+      routeProfileKey:
+        type: string
+      sampleCount:
+        type: integer
+      sampledAt:
+        type: string
+      state:
+        type: string
+      successRate:
+        type: number
+      uploadBytesPerSecond:
+        type: number
+    type: object
   httpapi.AdminTaskListResponse:
     properties:
       items:
@@ -4449,6 +4562,8 @@ definitions:
         type: string
       podUid:
         type: string
+      poolId:
+        type: string
       preparingTasks:
         type: integer
       pressureReason:
@@ -5816,6 +5931,24 @@ paths:
       summary: 重试计费结算
       tags:
       - billing
+  /api/admin/runtime/execution-pools:
+    get:
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/httpapi.AdminExecutionPoolResponse'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/httpapi.ErrorEnvelope'
+      security:
+      - BearerAuth: []
+      summary: 查询逻辑执行池、Worker 容量和上游路由健康状态
+      tags:
+      - Admin Runtime
   /api/admin/runtime/model-rate-limits:
     get:
       description: 管理端查看平台模型维度的限流和冷却状态。