feat(acceptance): 建立同构验收与弹性容量体系

实现本地三节点 K3s 同构环境、脱敏生产快照、Gemini 图片和多参考图视频协议模拟、统一验收报告及故障注入。\n\n新增 Worker 容量控制器、资源与连接预算、任务恢复保护，并将生产验收拆分为 validation 执行和人工 CAS 放量。\n\n验证包括 Go 全量测试、PostgreSQL HTTP 集成测试、go vet、OpenAPI、ShellCheck、前端检查、迁移及发布脚本测试。

apps/api/internal/store/task_history.go

@@ -192,10 +192,13 @@ WITH picked AS (
      OR compatibility_submit_http_status IS NOT NULL
      OR COALESCE(compatibility_submit_headers, '{}'::jsonb) <> '{}'::jsonb
      OR COALESCE(compatibility_submit_body, '{}'::jsonb) <> '{}'::jsonb
-     OR result ?| ARRAY[
-       'raw', 'raw_data', 'rawData', 'provider_response', 'providerResponse',
-       'submit', 'file_retrieve', 'fileRetrieve', 'upstream_task_id', 'remote_task_id'
-     ]
+     OR (
+       jsonb_typeof(COALESCE(result, '{}'::jsonb)) = 'object'
+       AND result ?| ARRAY[
+         'raw', 'raw_data', 'rawData', 'provider_response', 'providerResponse',
+         'submit', 'file_retrieve', 'fileRetrieve', 'upstream_task_id', 'remote_task_id'
+       ]
+     )
      OR error IS NOT NULL
      OR octet_length(COALESCE(error_message, '')) > 2048
   ORDER BY updated_at
@@ -208,11 +211,15 @@ SET normalized_request = '{}'::jsonb,
     compatibility_submit_http_status = NULL,
     compatibility_submit_headers = '{}'::jsonb,
     compatibility_submit_body = '{}'::jsonb,
-    result = COALESCE(task.result, '{}'::jsonb)
-      - 'raw' - 'raw_data' - 'rawData'
-      - 'provider_response' - 'providerResponse'
-      - 'submit' - 'file_retrieve' - 'fileRetrieve'
-      - 'upstream_task_id' - 'remote_task_id',
+    result = CASE
+      WHEN jsonb_typeof(COALESCE(task.result, '{}'::jsonb)) = 'object'
+      THEN COALESCE(task.result, '{}'::jsonb)
+        - 'raw' - 'raw_data' - 'rawData'
+        - 'provider_response' - 'providerResponse'
+        - 'submit' - 'file_retrieve' - 'fileRetrieve'
+        - 'upstream_task_id' - 'remote_task_id'
+      ELSE task.result
+    END,
     error = NULL,
     error_message = CASE
       WHEN octet_length(COALESCE(task.error_message, '')) > 2048 THEN left(task.error_message, 512)
@@ -220,6 +227,8 @@ SET normalized_request = '{}'::jsonb,
     END,
     remote_task_payload = CASE
       WHEN task.status IN ('succeeded', 'failed', 'cancelled') THEN '{}'::jsonb
+      WHEN jsonb_typeof(COALESCE(task.remote_task_payload, '{}'::jsonb)) <> 'object'
+        THEN task.remote_task_payload
       ELSE (
         SELECT COALESCE(jsonb_object_agg(entry.key, entry.value), '{}'::jsonb)
         FROM jsonb_each(COALESCE(task.remote_task_payload, '{}'::jsonb)) entry
@@ -238,7 +247,9 @@ WITH picked AS (
   WHERE COALESCE(remote_task_payload, '{}'::jsonb) <> '{}'::jsonb
     AND (
       status IN ('succeeded', 'failed', 'cancelled')
-      OR EXISTS (
+      OR (
+        jsonb_typeof(COALESCE(remote_task_payload, '{}'::jsonb)) = 'object'
+        AND EXISTS (
         SELECT 1
         FROM jsonb_object_keys(COALESCE(remote_task_payload, '{}'::jsonb)) AS key
         WHERE key NOT IN (
@@ -246,6 +257,7 @@ WITH picked AS (
           'targetResolution', 'imageToken', 'receipt', 'cleanupElementIds'
         )
       )
+      )
     )
   ORDER BY updated_at
   LIMIT $1
@@ -254,6 +266,8 @@ WITH picked AS (
 UPDATE gateway_tasks task
 SET remote_task_payload = CASE
       WHEN task.status IN ('succeeded', 'failed', 'cancelled') THEN '{}'::jsonb
+      WHEN jsonb_typeof(COALESCE(task.remote_task_payload, '{}'::jsonb)) <> 'object'
+        THEN task.remote_task_payload
       ELSE (
         SELECT COALESCE(jsonb_object_agg(entry.key, entry.value), '{}'::jsonb)
         FROM jsonb_each(COALESCE(task.remote_task_payload, '{}'::jsonb)) entry
@@ -375,7 +389,8 @@ WHERE log.id = picked.id`, []any{batchSize}},
 WITH picked AS (
   SELECT id
   FROM gateway_cloned_voices
-  WHERE metadata ?| ARRAY['raw', 'raw_data', 'rawData', 'provider_response', 'providerResponse', 'request']
+  WHERE jsonb_typeof(COALESCE(metadata, '{}'::jsonb)) = 'object'
+    AND metadata ?| ARRAY['raw', 'raw_data', 'rawData', 'provider_response', 'providerResponse', 'request']
   ORDER BY updated_at
   LIMIT $1
   FOR UPDATE SKIP LOCKED