diff --git a/app/backend/features/heaven/repository.py b/app/backend/features/heaven/repository.py
index 0dc8115..b8d4162 100644
--- a/app/backend/features/heaven/repository.py
+++ b/app/backend/features/heaven/repository.py
@@ -7,6 +7,35 @@ from typing import Any
 
 
 class HeavenRepositoryMixin:
+    def list_sector_phase_overrides(self) -> dict[str, str]:
+        with self.connect() as connection:
+            rows = connection.execute(
+                "SELECT name, element FROM sector_phase_overrides ORDER BY updated_at DESC, name"
+            ).fetchall()
+        return {row["name"]: row["element"] for row in rows}
+
+    def save_sector_phase_override(self, name: str, element: str) -> None:
+        now = datetime.now().astimezone().isoformat(timespec="seconds")
+        with self.connect() as connection:
+            connection.execute(
+                """
+                INSERT INTO sector_phase_overrides (name, element, updated_at)
+                VALUES (?, ?, ?)
+                ON CONFLICT(name) DO UPDATE SET
+                    element = excluded.element,
+                    updated_at = excluded.updated_at
+                """,
+                (name, element, now),
+            )
+
+    def delete_sector_phase_override(self, name: str) -> bool:
+        with self.connect() as connection:
+            cursor = connection.execute(
+                "DELETE FROM sector_phase_overrides WHERE name = ?",
+                (name,),
+            )
+            return cursor.rowcount > 0
+
     @staticmethod
     def _heaven_reading_dict(row: sqlite3.Row | None) -> dict[str, Any] | None:
         if not row:
diff --git a/app/config/architecture-inventory.json b/app/config/architecture-inventory.json
index 3136cf7..027a0e6 100644
--- a/app/config/architecture-inventory.json
+++ b/app/config/architecture-inventory.json
@@ -384,8 +384,8 @@
     },
     {
       "path": "database.py",
-      "bytes": 33284,
-      "lines": 746
+      "bytes": 32073,
+      "lines": 716
     }
   ]
 }
diff --git a/app/database.py b/app/database.py
index 180f691..b9c3a73 100644
--- a/app/database.py
+++ b/app/database.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 import json
 import sqlite3
-from datetime import datetime, timezone
+from datetime import datetime
 from pathlib import Path
 from typing import Any
 
@@ -665,36 +665,6 @@ class ReviewDatabase(
             )
             MigrationRunner().apply(connection, MIGRATIONS)
 
-
-
-    def list_sector_phase_overrides(self) -> dict[str, str]:
-        with self.connect() as connection:
-            rows = connection.execute(
-                "SELECT name, element FROM sector_phase_overrides ORDER BY updated_at DESC, name"
-            ).fetchall()
-        return {row["name"]: row["element"] for row in rows}
-
-    def save_sector_phase_override(self, name: str, element: str) -> None:
-        now = datetime.now().astimezone().isoformat(timespec="seconds")
-        with self.connect() as connection:
-            connection.execute(
-                """
-                INSERT INTO sector_phase_overrides (name, element, updated_at)
-                VALUES (?, ?, ?)
-                ON CONFLICT(name) DO UPDATE SET
-                    element = excluded.element,
-                    updated_at = excluded.updated_at
-                """,
-                (name, element, now),
-            )
-
-    def delete_sector_phase_override(self, name: str) -> bool:
-        with self.connect() as connection:
-            cursor = connection.execute(
-                "DELETE FROM sector_phase_overrides WHERE name = ?",
-                (name,),
-            )
-            return cursor.rowcount > 0
     def list_wencai_saved_queries(
         self, user_id: int, limit: int = 30
     ) -> list[dict[str, Any]]:
diff --git a/app/tests/test_preservation_slice_heaven.py b/app/tests/test_preservation_slice_heaven.py
index 4aa489a..49d3dee 100644
--- a/app/tests/test_preservation_slice_heaven.py
+++ b/app/tests/test_preservation_slice_heaven.py
@@ -38,6 +38,9 @@ HEAVEN_SERVICE_METHODS = {
 }
 
 HEAVEN_REPOSITORY_METHODS = {
+    "list_sector_phase_overrides",
+    "save_sector_phase_override",
+    "delete_sector_phase_override",
     "_heaven_reading_dict",
     "save_heaven_reading",
     "list_heaven_readings",
diff --git a/docs/governance/code-reduction.md b/docs/governance/code-reduction.md
index f779ee5..c044075 100644
--- a/docs/governance/code-reduction.md
+++ b/docs/governance/code-reduction.md
@@ -27,6 +27,7 @@
 | CR-07 | 数据Provider组装 | 核查网关、容器和业务服务是否重复创建外部数据客户端 | 固化唯一创建位置及兼容例外，不改数据源语义 | 已完成 |
 | CR-08 | NDJSON流式传输 | 问师与复盘助手重复维护响应头、事件写入、完成、断线及关闭流程 | HTTP共享层拥有唯一流式连接生命周期 | 已完成 |
 | CR-09 | 应用服务门面 | 两个仅服务股池iFinD补全的方法仍错位在全局`DashboardService` | 原函数体机械归位到`PoolServiceMixin` | 已完成 |
+| CR-10 | Repository所有权 | 五行行业阶段覆盖的三项持久化方法仍错位在根级数据库门面 | 原函数体机械归位到问天Repository，兼容数据继续保留 | 已完成 |
 
 ## CR-01验收口径
 
@@ -226,6 +227,26 @@
 本批基线为`xiaobai-reduction-08-ndjson-transport-20260801`；检查点为
 `xiaobai-reduction-09-service-facade-20260801`。
 
+## CR-10验收口径
+
+- 只移动调用方、数据表和业务含义均明确属于单一领域的方法；数据库连接、事务和返回值必须保持不变。
+- `list_sector_phase_overrides`、`save_sector_phase_override`与`delete_sector_phase_override`必须由
+  `backend/features/heaven/repository.py`拥有，并继续通过`ReviewDatabase`的Mixin解析。
+- 不修改表结构、迁移顺序、时间格式、排序、冲突更新或删除结果语义。
+- `wencai_saved_queries`及其三个方法属于已登记的账户隔离兼容数据；即使前端入口已取消，也必须保留。
+
+## CR-10结果
+
+- 将五行行业阶段覆盖的查询、保存和删除三个方法从根级`database.py`机械移动到问天Repository；
+  调用名称、SQL、事务边界、时间值和返回结果均未改变。
+- 根级数据库门面不再直接拥有问天领域的持久化实现，问财历史兼容表和方法完整保留，未扩大删除范围。
+- 34项Repository、问天、账户隔离、清理契约及迁移定向测试通过；候选324项、纯`app/`导出261项、
+  24个JavaScript文件、API/架构注册表、Git空白检查和SQLite完整性检查通过。
+- 本批不修改页面、CSS、API、数据库结构、行情、数据源、业务计算、LLM、权限或后台任务。
+
+本批基线为`xiaobai-reduction-09-service-facade-20260801`；检查点为
+`xiaobai-reduction-10-repository-ownership-20260801`。
+
 ## 人工验收记录
 
 - 2026-08-01：用户检查CR-02与CR-03运行结果，确认未发现明显异常。本记录仅表示本轮可见功能与