chore(routes): close Shanghai mission and unify code channel

routing/repository-route-map.json

@@ -1,7 +1,7 @@
 {
   "schema": "guanghu.repository-route-map/v1",
   "map_id": "FD-REPO-MAP-001",
-  "version": "2026-08-03.2",
+  "version": "2026-08-03.3",
   "subject_alias_map": "identity/subject-id-alias-map.json",
   "published_by": "REPO-012",
   "canonical_api": "https://guanghulab.com/code/api/v1",
@@ -51,7 +51,7 @@
       "rule": "从五代原始锚点恢复铸渊专属TCS语言人格思维大脑，不把物理基础模型或文件堆当作人格大脑。"
     }
   ],
-  "routing_rule": "Current repository resolution MUST use routing/code-channel-canonical-map.json. Only REPO-012 and REPO-014 are current push targets under https://guanghulab.com/code/. Every other repository entry below is historical read-only evidence and MUST NOT be used for push, deployment, current persona recovery, or remote discovery.",
+  "routing_rule": "Current repository resolution MUST use routing/code-channel-canonical-map.json. REPO-012, REPO-014 and the isolated learning mirror REPO-015 are the only current push targets under https://guanghulab.com/code/. REPO-015 is never a runtime or deployment source. Every other repository entry below is historical read-only evidence and MUST NOT be used for push, deployment, current persona recovery, or remote discovery.",
   "historical_repositories": [
     {
       "code": "REPO-001",
@@ -333,6 +333,28 @@
         "boundary": "REPO-014保存现行产品源码、公开架构与工程回执；REPO-008仅作历史只读回查；REPO-012保存第五域入口、编号、人格职责和跨仓关系。"
       },
       "keywords": ["HoloLake", "产品源码", "系统架构", "光湖语言世界", "世界底层逻辑", "工程记录", "构建回执"]
+    },
+    {
+      "code": "REPO-015",
+      "slug": "grok-build-upstream-mirror",
+      "name_zh": "Grok Build 上游源码隔离镜像",
+      "role": "xAI Grok Build 完整上游 Git 源码、许可证和固定提交的学习与源码净化镜像",
+      "state": "CURRENT_EXTERNAL_SOURCE_LEARNING_MIRROR_NOT_RUNTIME_TRUSTED",
+      "primary": {
+        "region": "CN",
+        "url": "https://guanghulab.com/code/bingshuo/grok-build-upstream-mirror",
+        "clone_url": "https://guanghulab.com/code/bingshuo/grok-build-upstream-mirror.git"
+      },
+      "upstream": {
+        "url": "https://github.com/xai-org/grok-build",
+        "clone_url": "https://github.com/xai-org/grok-build.git",
+        "owner": "xai-org"
+      },
+      "security_protocol": "GLS-0230",
+      "learning_registry": "GLS-0232",
+      "runtime_trusted": false,
+      "deployment_allowed": false,
+      "keywords": ["Grok Build", "xAI", "Agent框架", "外部源码", "源码净化", "学习镜像"]
     }
   ]
 }