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feat(386): 面板可回收存储空间,两步确认 + VACUUM 默认关(#386 第 4 条) - #410

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feat/386-panel-reclaim
Oct 11, 2026
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modusensus merged 2 commits into
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feat/386-panel-reclaim

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@modusensus modusensus commented Oct 11, 2026 •

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这条做了什么

面板此前只能看「库有多大」,不能收。回收一直只有两条路:命令行,或独立服务的数据面——两条都要离开面板。现在状态页多了「维护」分区与一张存储回收卡。

  • 挂载即预估一次:文件体积、空闲页、本次会清掉多少条输入快照与多少条归档向量
  • 改窗口后必须点「重新估算」;输入框与已算出的报告窗口不一致时执行钮禁用——对不可逆动作,确认态里摆着另一个窗口的数字是最坏的一种错位
  • 执行是两步确认:第一次点只进确认态,确认态把窗口与 VACUUM 状态锁死显示,第二次才真发请求;不用 window.confirm
  • VACUUM 默认关:它会短暂独占数据库(此时别的进程写入会 SQLITE_BUSY),属可选动作,默认开等于每次回收都替用户独占一次库
  • VACUUM 失败不渲染成干净的成功:两个 UPDATE 各自提交且不可逆,半成功态单独出文案(清理已完成、不可逆、文件暂时不会变小、重跑幂等),无论成败都露出回执号

后端

新增 GET/POST /api/dsh-mneme/maintenance/reclaim,复用与 CLI、standalone 同一份 maintenance 实现,数据面零改动。

两侧窗口解析口径刻意不同,都有理由:

  • GET 是 query 字符串域,只收十进制整数字面量(/^\d+$/),不用 Number()——它把空串、空数组、纯空格都化成 0,而 0 的含义是「清掉全部快照」,最坏解释绝不能从一个畸形输入静默拿到
  • POST 是 JSON 数字域,收数字并做 Number.isInteger + 非负校验
  • 两个方法都要鉴权;maintenance 未接线时回 503 而不是崩

测试与验证

项目 结果
全量 npm test 1650 tests / 1649 pass / 0 fail / 1 skipped
新增锁 后端 14 条 + 面板 8 条
变异检验 后端 19 条 + 面板 12 条,全部 RED、还原后 GREEN
src/ 与 lib/ check-sync 一致(57 个文件)

跳过的 1 条是 Windows 符号链接用例,环境性预存。

本改动另有一轮独立复核(自写探针、独立重做全部变异)。复核确认实现无正确性缺陷,但指出原变异清单有 5 条契约硬要求没被任何锁钉住,其中一条是危险默认——VACUUM 默认关没有任何测试守住。这 5 条锁已补齐并逐条变异验证,一并进本 PR:

覆盖洞 后果
VACUUM 默认关无锁 改成默认开也全绿:每次回收都独占数据库
非 2xx 报错文案无锁 失败被吞掉也全绿
执行丢 VACUUM 透传无锁 勾了 VACUUM 却静默不跑
确认报告丢窗口透传无锁 用户照着错的数字按下去
执行后不复位确认态无锁 下次点击绕过确认门

边界

  • 不关整条 issue:Refs #386
  • 不碰 docs/,不碰数据面实现

Summary by CodeRabbit

  • 新功能
    • 状态页新增存储回收面板,可估算指定保留期限内可回收的数据,并在两步确认后执行回收;可选整理数据库空间。
    • 面板展示回收数量、空间变化、操作回执和耗时,并区分回收失败与数据库整理失败。
  • 文档
    • 更新中英文开发文档中的测试数量,并补充存储回收功能说明。

面板此前只能看「库有多大」,不能收。回收一直只有命令行与独立服务
数据面两条路,而这两条都要离开面板。状态页新增「维护」分区与存储
回收卡:挂载即预估,改窗口必须重新估算,数字与输入框不一致时禁用
执行钮。

执行走两步确认:第一次点击只进确认态并把窗口与 VACUUM 状态锁死
显示,第二次才发请求。VACUUM 默认关——它会短暂独占数据库,属可选
动作,默认开等于每次回收都替用户独占一次库。VACUUM 失败不渲染成
干净的成功:两个 UPDATE 各自提交且不可逆,半成功态单独出文案,
无论成败都露出回执号。

后端新增 GET/POST /api/dsh-mneme/maintenance/reclaim,复用与 CLI、
standalone 同一份 maintenance 实现,数据面零改动。GET 是 query 字符
串域,只收十进制整数字面量,不用 Number()——它把空串、空数组、纯
空格都化成 0,而 0 的含义是「清掉全部快照」,最坏解释绝不能从一个
畸形输入静默拿到;POST 收 JSON 数字域,口径不同是刻意的。两个方法
都要鉴权。

Refs #386
Copilot AI lite review requested due to automatic review settings October 11, 2026 23:03

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Review in Change Stack →

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📝 Walkthrough

Walkthrough

新增存储回收 API 和状态页卡片。API 提供只读预估及经确认的回收操作。卡片提供预估、两步确认和执行结果展示。

Changes

存储回收

Layer / File(s) Summary
回收接口与请求校验
dsh-mneme/src/api.js, dsh-mneme/lib/api.js, dsh-mneme/CHANGELOG.md
新增需鉴权的 GET/POST 回收路由,支持 dry-run、请求校验、确认执行和错误响应。回收窗口上限为 3650 天。变更记录描述接口行为及维护实例接线。
维护实例接线与接口回归测试
dsh-mneme/src/index.js, dsh-mneme/lib/index.js, dsh-mneme/test/api-routes-gaps.test.js, README.md, dsh-mneme/README.md
维护实例现在传入面板 API 和 standalone API。新增接口及接线测试,覆盖鉴权、参数校验、dry-run、确认门、执行结果和错误处理。测试数量说明从 1627 更新为 1651。
状态页回收卡片
dsh-mneme/lib/client.js, dsh-mneme/test/client.test.js
状态页新增中英文存储回收卡片。卡片支持估算、两步确认、结果和回执展示,并区分 VACUUM 失败状态。测试覆盖请求、输入校验、确认状态及错误展示。

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant MaintenanceCard
  participant createApi
  participant maintenance
  MaintenanceCard->>createApi: 请求预估或提交确认后的回收请求
  createApi->>maintenance: 以 dryRun 参数调用回收
  maintenance-->>createApi: 返回回收报告
  createApi-->>MaintenanceCard: 返回报告或错误响应
Loading

Suggested reviewers: heptaspirit


Merge Risk | ⚪ Minimal · up to 3bd59

Merge Risk: ⚪ Minimal · up to 3bd59

This change adds a storage-reclaim card and API that require authentication, validate inputs, and need explicit two-step confirmation before deleting data. No outstanding defects were identified, and the earlier problems with window bounds, error handling, and receipt wording appear fixed. The change looks ready to merge.

Security Architecture Review

Security architecture risk: 🟡 Moderate · up to 3bd59

Storage cleanup can now be requested without credentials when no API token is configured. Two-step confirmation prevents accidental clicks, but does not authorize callers. Documented local-only access limits exposure; deployed network access and additional authentication are not confirmed.

Retained concerns

  • Medium · security · observed: The new reclaim handler allows credential-free irreversible cleanup when apiToken is empty. It is registered whenever the panel webServer exists, even when the standalone maintenance API is disabled. A caller reaching this handler can directly supply dryRun:false and confirm:true; the UI confirmation sequence is not an authorization boundary. Effective external exposure depends on host controls that are not established.
Security review details

Security Blast Radius

  • observed — The cleanup scope is the injected SQLite store, not an individual actor or tenant predicate. A zero-day request can clear essentially all eligible non-organize input snapshots; archived embeddings are cleared independently of that window. VACUUM also acts on the shared database. These effects do not delete memory rows or organize replay payloads.

Security Findings and Attack Paths

  • inferred — If an untrusted caller can reach the new handler without upstream authentication and apiToken is empty, a direct confirmed POST can reach global cleanup without credentials or either UI click. This is a conditional source-level attack path, not a verified deployed exploit. No retained security finding was supplied.

Trust Boundaries and Controls

  • observed — Configured panel credentials are checked before maintenance execution. The prior standalone service generates a nonempty token and authenticates reclaim requests, but the base panel already exposed that token through GET external-api and allowed other writes under optional authentication. Therefore the PR adds a direct cleanup path rather than creating the permissive policy itself; existing standalone protection was not an independent effective boundary against every panel-reachable caller.

Resilience and Maintainability Implications

  • observed — The unchanged maintenance implementation commits cleanup through separate updates. A later update or statistics failure can escape before receipt creation, leaving partial cleanup; VACUUM failure is instead recorded and returned. Receipts can be null when auditing is disabled or persistence fails. Non-null predicates make repeated cleanup data-idempotent for already-cleared rows, but do not provide a durable operation identity or restore removed snapshots. These recovery limitations predate this PR.

Hardening Proposals

  • proposed — For destructive panel maintenance, require a nonempty credential or an explicitly established authenticated host identity. Keep the two-step UI as an accidental-action safeguard rather than treating confirm:true as evidence of authority.

Pre-merge checks | Passed 4 | Failed 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage Warning Docstring coverage is 68.75% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 7 files. (3 skipped: … Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Description Check Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check Passed 标题准确概括了本次变更的主要内容:面板存储回收、两步确认和默认关闭 VACUUM。标题具体、简洁,并与新增回收 API 和 UI 功能一致。
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 68.75% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 7 files. (3 skipped: 3 unsupported.)


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Codecov Report

❌ Patch coverage is 98.56115% with 2 lines in your changes missing coverage. Please review.

Files with missing lines Patch % Lines
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Actionable comments posted: 2


  • 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @dsh-mneme/lib/client.js:
- Line 775: 将维护回执缺失状态的 `memory.status.maint.receiptNone`
文案改为中性表述,避免断言缺失是由审计未启用导致;中英文文案都应说明回执未记录,并涵盖审计未启用或写入失败两种情况。

Review comments at @dsh-mneme/src/api.js:
- Around line 772-782: 在 dsh-mneme/src/api.js 第 772-782 行的 confirm-required
分支中,将 maintenance.reclaim 调用放入异常处理;若调用抛错,记录警告并返回 500 internal,否则将报告放入现有 400 响应。对
dsh-mneme/lib/api.js 第 772-782 行同步相同修改。统一 GET 和 POST 的 olderThanDays
上限,避免接受会导致日期计算超出有效范围的值。

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Comment thread dsh-mneme/lib/client.js Outdated
Comment thread dsh-mneme/src/api.js
评审指出的三处:

1. olderThanDays 只校验整数、不校验量级。1e20 也是整数,maintenance 拿它算
   now() - days * 86400000 再 toISOString() 会抛 RangeError;GET 侧 400 位十进制
   字面量还会化成 Infinity,被当成畸形输入静默落回默认窗口 7——调用方要一个巨大
   窗口,实际只清了 7 天外的东西。两侧统一钉 MAX_RECLAIM_WINDOW_DAYS = 3650
   (与 llmAudit.retentionDays / recallRetentionDays 同值)。

2. confirm-required 分支里那份 dry-run 报告在 readBody 的回调里计算,外层 try
   那时已退栈,抛错就是一个没人接的 rejection——调用方拿到的是「一个字节都没回」
   而不是 500 internal。挪进本地 try/catch,与执行路径同一个答复。

3. 「未记录」文案断言了单一成因(审计未启用),但 writeReceipt 返回 null 也可能是
   回执写库失败。这行出现在不可逆操作的结果区,改成同时点出两种成因。

面板同步补上本地窗口上界(超界直接提示窗口不合法,不发请求)。
补锁三条并逐条变异转红;双 README 测试数 1650 → 1651。

Refs #386
Copilot AI lite review requested due to automatic review settings October 11, 2026 23:26

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两条都属实,已在 3bd59fd 修掉。

① confirm-required 的报告没兜住抛错 —— 确认。那份报告在 readBody 的回调里算,外层 try 那时已经退栈,所以抛出去是个没人接的 rejection。实测 POST {dryRun:false, olderThanDays:1e20} 得到的是一个字节都没回(不是 500),同时产生一个 unhandledRejection。现已挪进本地 try/catch,与执行路径给出同一个 500 internal。

② olderThanDays 缺上界 —— 确认,而且比报告里说的还宽一点。整数校验只挡形状不挡量级:1e20 过 Number.isInteger,maintenance 拿它算 now() - days * 86400000 再 toISOString() 就抛 RangeError: Invalid time value(阈值实测在 1e9 附近)。另外 GET 侧还有一条:400 位十进制字面量化成 Infinity,被 Number.isFinite 判为非数后静默落回默认窗口 7 —— 调用方要一个巨大窗口,实际只清了 7 天外的东西,而报告上写着 7,看不出异样。两侧统一钉 MAX_RECLAIM_WINDOW_DAYS = 3650(与 llmAudit.retentionDays、recallRetentionDays 同值)。

③ 顺带:「无(审计未启用)」把两种成因说成一种 —— writeReceipt 返回 null 也可能是回执写库失败(saveLlmAudit 抛错只 warn)。这行出现在不可逆操作的结果区,改成「未记录(审计未启用或回执写入失败)」。

面板同步补上本地窗口上界(超界直接提示窗口不合法、不发请求,免得把 400 看成网络故障)。

补锁三条并逐条变异转红;全量 1651 tests / 1650 pass / 0 fail / 1 skipped。

另注:src/api-standalone.js 的 /maintenance/reclaim 是这条路由的复制源,:508 与 :523 有同样两处形态。它是 #275 起的既有实现、本 PR 未改动(契约与提交信息都写明数据面零改动),所以这次没动它,另开 issue 跟踪。

@modusensus
modusensus merged commit c624e47 into main Oct 11, 2026
11 checks passed
modusensus added a commit that referenced this pull request Oct 12, 2026
解决与 #410(面板存储回收卡)的冲突:lib/client.js 的 zh/en 词典里,
本分支删掉了被 TokenFlowSection 取代的 LlmStatusCard 的 memory.status.llm* 键,
upstream 在同一区域新增了 MaintenanceCard 的 memory.status.maint.* 键——两者都是
增量,保留 maint.* 与 token.*、不复活已删除的 llm.*。README 徽章取上游计数后
由 sync-test-badge 重算为 1652。
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