diff --git a/next/docs/evidence/local-preflight-2026-07-30.md b/next/docs/evidence/local-preflight-2026-07-30.md
index 801fa5e..1c350eb 100644
--- a/next/docs/evidence/local-preflight-2026-07-30.md
+++ b/next/docs/evidence/local-preflight-2026-07-30.md
@@ -48,7 +48,7 @@
 ## 自动质量门
 
 - Ruff：通过
-- pytest：112项通过
+- pytest：113项通过
 - Vue类型检查：通过
 - Vitest：7项通过
 - Vite生产构建：通过
diff --git a/next/docs/final/completion-audit.md b/next/docs/final/completion-audit.md
index 4c08b1c..14715c0 100644
--- a/next/docs/final/completion-audit.md
+++ b/next/docs/final/completion-audit.md
@@ -72,7 +72,7 @@
 - 图表夜间加载首帧、主题同步切换、7板布局和观心夜间关键文字对比度均已有浏览器直接断言，不再只依赖截图。
 - 16个主工作区、策略跟踪、提醒、复盘助手、账户/会员及系统管理已逐项区分加载、真实空和失败；统一API客户端不会向页面泄露上游错误正文。
 - 后台任务不再把`AppError`内部元组直接展示到系统管理；历史记录读取时兼容清理，新增失败按用户可读说明入库。
-- 发布候选`310dbba`本轮复核为Ruff、112项pytest、Vue类型检查、7项Vitest、生产构建和
+- 当前主分支本轮复核为Ruff、113项pytest、Vue类型检查、7项Vitest、生产构建和
   26项Playwright全部通过。
 
 ## 本轮范围外项目
diff --git a/next/tests/test_deployment_assets.py b/next/tests/test_deployment_assets.py
index 93b2bed..62ba21a 100644
--- a/next/tests/test_deployment_assets.py
+++ b/next/tests/test_deployment_assets.py
@@ -44,3 +44,19 @@ def test_portainer_preflight_is_pinned_to_the_release_candidate() -> None:
     assert "546c5af1a3010bbf0cf37e5d8b1a440fe6dfbfe80b471cddf430d4363a7b1a4a" in manifest
     for expected in ("用户 | 3", "自选 | 6", "选股归档 | 107", "策略跟踪 | 16"):
         assert expected in manifest
+
+
+def test_image_context_excludes_private_and_non_runtime_assets() -> None:
+    ignored = {
+        line.strip()
+        for line in ROOT.joinpath(".dockerignore").read_text(encoding="utf-8").splitlines()
+        if line.strip() and not line.lstrip().startswith("#")
+    }
+    assert {".git", ".venv", "data", ".env", "docs/evidence", "tests"} <= ignored
+
+    dockerfile = ROOT.joinpath("Dockerfile").read_text(encoding="utf-8")
+    assert "COPY . " not in dockerfile
+    assert "COPY backend/ ./backend/" in dockerfile
+    assert "COPY config/ ./config/" in dockerfile
+    assert "COPY tools/ ./tools/" in dockerfile
+    assert "COPY --from=frontend-build /build/frontend/dist ./frontend/dist" in dockerfile