fix: 把 weights manifest 編譯進 binary，修 transcribe 在乾淨安裝必 crash (#163) - #169
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transcribe 在乾淨安裝上必 crash（SIGTRAP / exit 133）：WeightVerifier 透過 Bundle.module 讀 weights-manifest.json，需要一個 bestasr_BestASRKit.bundle 放在執行檔旁邊——但沒有任何安裝路徑會放它（install.sh 只 cp 兩個 binary、 release 也只上傳 binary），於是 SwiftPM 生成的 accessor 直接 fatalError。 診斷更正：原 issue 稱「fallback 路徑寫死」，實際上 resource_bundle_accessor.swift 不在 repo 內、由 SwiftPM 每次建置生成，並把「編譯當下那台機器的絕對路徑」烘進 binary。維護者之所以看不到這個 bug，正是因為那條路徑在他機器上剛好存在—— 第二層 fallback 遮蔽了第一層從未成功過的事實。 採選項 B：manifest 是隨版本 pin 的靜態表，沒有理由住在 binary 外面。改由 scripts/embed-weights-manifest.sh 產生 Swift 常數，Package.swift 的 resources: 改為 exclude:（JSON 仍是人類編輯的 source of truth）。清空重建後確認 bestasr_BestASRKit.bundle 與 resource_bundle_accessor.swift 皆不再生成—— Bundle.module 對 BestASRKit 已不存在，該 crash 結構上不可能再發生。 漂移防護：EmbeddedWeightsManifestTests 斷言嵌入副本與 repo 內 JSON 一致， 不一致即失敗並指示重跑產生器。 副作用：install.sh 不需改動（B 讓 binary 自足）。
sidecar 原本無條件寫入 DESIRED_VERSION（來自 plugin.json），但下載流程在 pinned tag 不存在時會靜默 fallback 到 releases/latest。於是實測狀態變成 sidecar 0.16.0 / binary 自報 0.15.0 / 最新 tag v0.15.0——下次比對相等， wrapper 認為已是最新，永遠不再重新下載。即使日後補發正確 release 也不會自癒。 改為從 API 回應擷取 tag_name，記錄實際收到的版本。另加一道守衛：若已安裝的 版本就等於 registry 會給的最新版（plugin.json 超前於已發布 release 的情況）， 只更正 sidecar 並跳過傳輸，避免每次啟動重新下載整個 binary。 版本不符時於 stderr 明講 plugin 想要哪個版本、實際裝了哪個。
Verify Report — PR #169Enginepai-ensemble 2.20.0 (canonical #207) — 4 IDD lenses + Codex (gpt-5.6-sol, xhigh), model: opus Diff frozen at
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| # | Finding | 位置 | Source |
|---|---|---|---|
| M1 | ACTUAL_VERSION 是 release tag，不是 binary 自報版本 —— 誤打包的 asset 會被永久標成正確版本 |
wrapper:79 | codex |
| M2 | ACTUAL_VERSION 為空 → sidecar 寫成字面 unknown → 每次啟動都重新下載整個 binary（舊版寫死值至少一次就穩定） |
wrapper:118 | logic, regression, requirements |
| M3 | pinned tag 的 fallback 在任何失敗時都改抓 latest（不只 tag 不存在），會違反 plugin 的 pin 意圖 | wrapper:69 | codex |
| M4 | 用 grep/sed 解析 GitHub JSON；URL 找到就 break、不要求 tag_name 解析成功；兩處 curl 都缺 --fail |
wrapper:74-83 | codex, security |
| M5 | 產生器的 #"""…"""# raw string 對含 backslash 的 JSON 值不安全（\#( 會被當插值） |
embed script:35 | codex |
| M6 | 產生器先截斷輸出檔才產內容 —— 中途失敗會留下無法編譯的半截 Swift 檔 | embed script:42 | logic |
| M7 | Spec drift：openspec/specs/weight-pinning/spec.md:39 仍規定 bundled-resource 路徑，本 PR 無對應 openspec change |
spec | requirements, regression |
| M8 | 「defects 1 & 2 dissolved」只對 BestASRKit 自己的 bundle 成立 —— 出貨 binary 仍連結依賴的 resource bundle |
release script | requirements |
| M9 | Issue 建議 4（安裝後 smoke test）未實作；既有 release smoke test（tools/list）結構上看不到這一類失敗 |
release script:56 | requirements, security |
| M10 | 無 CHANGELOG entry（P1 使用者可見 crash 修復） | CHANGELOG | regression |
值得記錄的正面確認
- INFO（security）：把 manifest 內嵌進 binary 是明確的信任鏈強化，不是弱化 —— 錨點從未簽章的 side-car 搬進被簽章的程式碼。選項 B 的方向被獨立確認為正確。
- INFO（regression）：無其他
Bundle.module消費者、embed 內容位元等價、install.sh確實不受影響、wrapper 的既有正常路徑保留 —— 我在 Implementation Complete 的這幾項宣稱經查證屬實。 - INFO（codex 自我修正）：Codex 原標為 CRITICAL 的「backtick raw identifier 不被支援」經本地查核推翻（本 repo 已用 441 次、toolchain Swift 6.2.4）。pipeline 自己擋掉了一個偽陽性。
- INFO（logic）：產生器的 raw-string delimiter 安全性、縮排、idempotency 三項實測皆正確 —— 但屬性未被斷言（見 M5 的殘留風險）。
- Prompt-injection 掃描：4 個 lens 獨立回報乾淨。
結論
不可 merge。 B1 是核心 —— issue 的缺陷三沒有被修好，而該修法在 diagnosis 裡列過、被我在 implement 階段靜默丟掉。B2 是本 PR 引入的新回歸。B3 因本 PR 改變信任錨而升級為關鍵路徑。
未打 idd-163-verified tag。
⚠️ 本輪缺 DA，findings 未經對抗性反駁。B1／B2／B3 我已自行做程式碼查核（結果如上），其餘項目建議在 session limit 重置後補跑一次完整 6-lens verify。
Verify FAIL round 1 returned 4 blocking findings. Three were code. B1 — defect 3 was only fixed prospectively. The issue's Impact names the field state it measured: sidecar 0.16.0, plugin.json 0.16.0, binary really 0.15.0. That machine compared equal at the gate, never entered the new resolution block, never called the API, and kept the crashing binary — permanently, because the natural release (v0.16.0) would have made the plugin.json bump a no-op. Four lenses caught this independently; one simulated it with stubbed curl and showed zero network calls. The sidecar is now schema-tagged v2:<tag> and any untagged value is distrusted once, which heals the installed base and removes the release-numbering constraint entirely. This was scope I lost between diagnose and implement: the diagnosis Strategy listed 'detect a lying sidecar and force a re-download', my Implementation Plan dropped it, and nothing marked it skipped. B2 — a regression this PR introduced. Splitting the manifest into a JSON source of truth and an embedded enforced copy left pin-weights.sh writing only the former, so a re-pin could look successful while the binary still enforced the old digests. With weight-pinning, 'I thought I re-pinned' is the whole failure mode. The script now chains to the generator. B3 — the auto-download path had no integrity check at all and actively stripped quarantine, while the release published a .sha256 with no consumer anywhere in the tree. Checksum and codesign must now both pass before install; quarantine is stripped only afterwards. This PR moved the weight-pinning trust anchor into the binary, which is what turned an unverified delivery channel into the only hinge. B4 — fresh installs receiving the crashing build is a release-plan matter, not code; the B1 fix removes its version constraint. Also: the wrapper's install dir is overridable so the self-heal logic is testable (three tests, previously none), and the weight-pinning spec no longer describes the bundled-resource path it no longer uses. 450 tests / 90 suites green.
Verify Report — PR #169 (round 2, post-rework)Enginepai-ensemble 2.20.0 — 4 IDD lenses + adversarial DA（本輪 DA 完成），model sonnet。Diff frozen at
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| 判定 | |
|---|---|
| B1 sidecar 只修未來 | VERIFIED CLOSED —— line-by-line trace ＋ 實證重現，中毒機器確實會重新解析 |
B2 pin-weights.sh 未 chain |
VERIFIED CLOSED |
| B3 下載零驗證 | VERIFIED CLOSED（但見下方 CRITICAL —— 「照規格關掉了」不等於「規格夠用」） |
| B4 發版約束 | 「移除 release-numbering constraint」的宣稱 VERIFIED accurate and correctly scoped, not overclaimed |
DA 被明確授權推翻 round 1 的結論（round 1 是無 DA 的降級執行），它沒有推翻 B1 的 happy path，但對我的措辭提出了兩項有效反駁（見 H2、H4）。
🔴 CRITICAL — 我加的「checksum ＋ codesign」在對抗情境下幾乎不設防
bestasr-mcp-wrapper.sh:166 · Source: security（兩項皆在本機實證）
codesign --verify --strict 不釘身分。 它只檢查簽章與位元組自洽，不檢查誰簽的。實證：
clang -o x x.c && codesign --verify --strict x→ exit 0，完全沒有簽署步驟（Apple Silicon 的ld會自動加 ad-hoc 簽章）codesign --sign -（免費、匿名、不需開發者帳號）→ 仍通過--verify --strict，TeamIdentifier=not set
checksum 那條腿救不了它：SHA_URL 與 binary 的 URL 來自同一次 GitHub Releases API 回應、同一個通道。能替換 binary asset 的攻擊者（release token 外洩、CI 被挾持）能在同一個操作裡替換 .sha256，兩邊比對照樣通過。
淨效果：我加的驗證只防非對抗性的傳輸損毀（截斷、位元翻轉），對「惡意替換的 release」幾乎沒有防禦 —— 而那正是 B3 要處理的威脅。我寫在 :162-165 的註解說「a tampered binary fails it」，對被替換（而非被竄改）的 binary 而言不成立：它相對於攻擊者自己的簽章並沒有 fail 任何東西。
release pipeline 本身是用真實身分簽的（release-mcp.sh:48-54 的 $DEVELOPER_ID），但 wrapper 從未檢查下載到的 binary 是否帶著同一個身分。
這條我接受。我把「有簽章」誤當成「是我們簽的」 —— 這是 security 控制裡最典型的一種空轉，而且我還在註解裡替它背書。
Blocking（HIGH）
H1 — 驗證只在「下載當下」發生；既有 binary 的每一條路徑都無條件 exec
bestasr-mcp-wrapper.sh:206 · Source: security
sidecar 比對是純字串相等，沒有任何東西把 sidecar 宣稱的版本與 $BINARY 的實際位元組密碼學綁定。一旦「binary ＋ 相符的 v2: sidecar」存在（無論來源），wrapper 走 fast path 或整段跳過，直達 exec "$BINARY" "$@" —— 此後每一次 MCP spawn 都不再做任何檢查。
三條 keep-existing 分支同理（找不到 URL、下載失敗、我新加的驗證失敗）。最刺眼的是最後那條：在 #163 描述的中毒情境下，若治癒用的重新下載在驗證階段有任何暫時性問題，wrapper 會靜默退回 exec 那個已知會崩潰的舊 binary。
H2 — CHANGELOG 的「forces exactly one re-resolution」不成立
bestasr-mcp-wrapper.sh:171 · Source: devils-advocate
DA 接受 v2 scheme 對中毒狀態的分類正確（不推翻 B1），但指出我的措辭是比事實更強的保證。兩條非致命失敗路徑會跳過 sidecar 升級卻正常返回：
- API 迴圈找不到 URL → 完全不碰
VERSION_FILE→ 每次呼叫都重試，不是「恰好一次」 - 驗證失敗且無既有 binary →
exit 1，sidecar 未升級 → 同樣每次重走
且我的三個新測試全部把 curl stub 成 exit 7 —— 沒有任何測試跑到「成功下載並寫入 VERSION_FILE」那條分支。所以「B1 已關閉」建立在「機器被正確標記為需要重新解析」上，而「重新解析之後確實只需要一次」從未被驗證。
H3 — 驗證失敗對全新安裝直接 exit 1，無 fallback（我請 DA 檢查的 DoS，確認為真）
bestasr-mcp-wrapper.sh:177 · Source: devils-advocate
有既有 binary → 優雅降級，合理。沒有既有 binary（clean install）→ exit 1，MCP server 完全起不來。
DA 的判語我認為準確：這把「崩潰」換成了「裝不了」，對使用者而言都是「用不了」。觸發情境包括 release 漏傳 .sha256（maintainer 忘記、CI 產出失敗）→ 該 release 對所有新使用者完全不可安裝，即使 binary 本身健康。
與 CRITICAL 並置後最難看的一點：現行驗證同時太鬆（擋不住真正的惡意替換）又太嚴（release 流程偶發瑕疵就讓所有新使用者裝不了）。這是這次修正在 security/availability 取捨上最不對稱之處。
MEDIUM（節選）
| # | Finding | Source |
|---|---|---|
| M1 | B3 的 checksum/codesign 邏輯零自動化測試（三個新測試都在 curl stub 失敗處就停了） | requirements, security |
| M2 | legacy sidecar 永遠到不了「已是最新、跳過傳輸」的捷徑 → 每台 pre-#163 機器至少多下載一次，即使 binary 已是對的 | regression |
| M3 | BESTASR_WRAPPER_INSTALL_DIR 無路徑驗證、無 test-only gating —— 今日無害只因 plugin 的 .mcp.json 未宣告 env passthrough |
security |
| M4 | 新的 tag_name regex 解析擴大了 round-1 M2（unknown sidecar → 每次啟動重下）的失效面 |
regression |
| M5 | B4 的「移除發版約束」只在 legacy→v2 的一次性遷移成立；穩態下同版號重發仍會被無聲吃掉 | devils-advocate |
| M6 | 新的 SHA_URL grep pattern 用了未跳脫的 . —— round-1 M4 類別的新實例，且落在 B3 的 security 路徑內 |
requirements |
結論
不可 merge。 四項 blocking 在規格層面確實關閉了，但 CRITICAL 指出 B3 的規格本身不足 —— 我實作的驗證擋不住它宣稱要擋的威脅，而且我在註解裡替它作了不實背書。
未打 idd-163-verified tag。
⚠️ 三輪 verify 皆為 5/6，完整六路從未取得。本輪 DA 完成且發揮作用（推翻我的措辭、確認我請它檢查的 DoS 為真），但跨模型盲點維度仍未受檢。
…163) Round-2 verify returned a CRITICAL on the verification I added in the previous commit, and it is correct. codesign --verify --strict does not check WHO signed — only that the signature is internally consistent with the bytes. Confirmed locally: an unsigned binary passes it (Apple Silicon's linker applies an ad-hoc signature automatically), and codesign --sign - — free, anonymous, no developer account — also passes, with TeamIdentifier=not set. The checksum leg did not rescue this, because .sha256 is resolved from the same release-API response as the binary: whoever can substitute one asset substitutes both. So "checksum + codesign" defended against transit corruption and essentially nothing else, while a comment I wrote claimed a tampered binary would fail it. A substituted binary is not tampered relative to its own signature; it fails nothing. Reversed the roles. The primary control is now a designated requirement pinning the Apple anchor and our Team ID, validated before adoption against three cases: a real release (passes), an ad-hoc binary (rejected), a self-signed one (rejected). The checksum is demoted to advisory — a mismatch is still fatal, but a MISSING .sha256 no longer refuses the install. That closes the denial-of-service the review also flagged: a maintainer's forgotten upload would otherwise have made a healthy release uninstallable for every new user, trading one outage for another. The tests could not have caught any of this: all three stubbed curl to fail, so nothing ever reached the download-and-verify branch. Added one that drives a successful install against a stubbed registry and asserts the end state. It immediately failed — on a real bug, not the stub. Its single-line registry response exposed a greedy sed that walks to the last URL on the line and selects the .sha256 as if it were the binary. Real GitHub responses are pretty-printed, so this never bit in production; round-1 M4 had flagged the fragility abstractly. Asset selection is now positional-independent, which also escapes the unanchored dot round-2 M6 caught. Corrected an overclaim in the CHANGELOG and in the wrapper comment: the scheme guarantees re-resolution, not healing in exactly one attempt. Two non-fatal paths return without upgrading the sidecar and retry next spawn. 451 tests / 90 suites green. Note: .build had to be cleared — the round-2 review agents built with Xcode's 6.3.3 toolchain in the same directory this repo builds with 6.2.4, leaving modules the active compiler refused to import.
Round 3 broke the round-2 requirement twice, empirically, on this
machine, and I reproduced both before accepting them.
The requirement was `=anchor apple generic and certificate
leaf[subject.OU] = "6W377FS7BS"`. It pins the signer. It does not pin
the program, and it does not pin the certificate type.
* No identifier clause: `cp ~/bin/CheWordMCP ./bestasr-mcp` passes.
Every MCP server we publish is signed by the same team and is a
public release asset, so anyone who can tamper with the release or
CDN layer can serve one of them as bestasr-mcp with no forgery at
all. A reviewer reproduced this end to end through the wrapper with
a stubbed curl: it printed "installed v0.99.0" and wrote the sidecar.
* No certificate-type clause: an "Apple Development" certificate
carries the same subject.OU as our Developer ID certificate, so a
binary signed with it passes. Xcode issues that identity
automatically and it signs with no password prompt — which means
local execution on any of our machines was enough, without touching
the release key, CI, or GitHub.
The fix is to stop inventing requirements. `codesign -d -r-` on our own
release binary prints the requirement Apple generates for it, and the
hand-rolled version had dropped three of its five clauses. The wrapper
now uses all five: identifier, Apple anchor, Developer ID CA
intermediate OID, Developer ID Application leaf OID, and Team ID.
Validated against five binaries: the genuine release (passes), another
same-team release renamed to bestasr-mcp (rejected), an Apple
Development-signed binary (rejected), ad-hoc signed (rejected), unsigned
(rejected).
Round 3 also found H1 was only closed for the clean-install path. The
fast path and all three keep-existing branches reached exec without any
check — including, after a failed re-download, the very binary the user
was trying to replace. There is now exactly one exec in the script and
it is gated, so verification covers every route at the cost of one
codesign call per spawn.
And release-mcp.sh now verifies each signed binary against the same
requirement before publishing. Nothing in the pipeline had ever run that
string against a real binary; the wrapper was the only thing that did,
on the user's machine, after the release was already public. That is why
two rounds of a weaker-than-intended requirement went unnoticed.
CHANGELOG rewritten: it still described mandatory-checksum plus a bare
identity-blind codesign, and undercounted the non-fatal retry paths as
two when there are three.
451 tests / 90 suites green.
Refs #163
Verify Report — #163 round 3 · 2 CRITICAL，皆已實測重現並修復（
|
| Frozen | d5bcb0c · freshness gate PASS |
| Ensemble | 4 lenses + DA，sonnet — 4/5 完成、DA 完成（shell lens error） |
| Findings | 16（2 CRITICAL / 4 HIGH（含 1 筆 process gap）/ 4 MEDIUM / 2 LOW / 4 INFO） |
⚠️ 無跨模型視角（Codex leg 0/4 完成率已停用，見PsychQuant/parallel-ai-agents#37）。shelllens 未完成，POSIX sh 的敵意審查這輪缺席。
🔴 CRITICAL 1 — 釘了「誰簽的」，沒釘「簽了什麼」
Round 2 的需求字串是 =anchor apple generic and certificate leaf[subject.OU] = "6W377FS7BS"。我自己重現確認：
$ cp ~/bin/CheWordMCP ./bestasr-mcp # Identifier=CheWordMCP_v3200, Team 6W377FS7BS
$ codesign --verify --strict -R "$REQ" ./bestasr-mcp
CRITICAL-1 CONFIRMED: a different same-team binary renamed to bestasr-mcp PASSES
reviewer 還做了端到端重現：stub 掉 curl 讓 release API 回傳 che-latex-mcp 的真實 bytes 與對應 sha256，跑真正的 wrapper → 印出 installed v0.99.0、寫入 sidecar、裝好。我們發佈的每一支 MCP binary 都是同 team 簽的公開 release asset，所以能碰 release／CDN 的攻擊者不需要偽造任何東西。
🔴 CRITICAL 2 — 也沒釘憑證「類型」（DA 提出，更嚴重）
Apple Development 憑證的 subject.OU 與 Developer ID 憑證相同。實測：
OU of the Apple Development cert: OU=6W377FS7BS
./payload: replacing existing signature
CRITICAL-2 CONFIRMED: an Apple Development-signed binary PASSES
那把身分是 Xcode 自動簽發的，而且——如上面那行輸出所示——簽的時候沒有跳任何密碼提示。意思是：拿到我們任何一台機器的本機執行權就夠了，不必碰 release key、CI 或 GitHub。DA 正確地指出，這條路徑比題目要我考慮的「洩漏的 release token / 被攻陷的 CI」門檻更低，而後兩者在本專案拓樸下反而摸不到簽章能力（簽章全在本機 keychain，CI 沒有任何簽章 secret）。
修法：停止自己發明 requirement
codesign -d -r- 會印出 Apple 為我們的 release binary 產生的 designated requirement：
identifier "bestasr-mcp" and anchor apple generic
and certificate 1[field.1.2.840.113635.100.6.2.6]
and certificate leaf[field.1.2.840.113635.100.6.1.13]
and certificate leaf[subject.OU] = "6W377FS7BS"
五個 clause，我手寫的版本丟掉了三個。 這才是這兩輪失敗真正的共同原因——不是某個 clause 想漏了，是我在一個有標準答案的地方自己造答案。現在五個全用。
五個 binary 驗證（用 wrapper 自己建出來的字串與函式）：
| binary | 期望 | 結果 |
|---|---|---|
| 真正的 release | PASS | ✅ PASS |
| 同 team 的 CheWordMCP 改名 | fail | ✅ fail |
| Apple Development 簽 | fail | ✅ fail |
| ad-hoc 簽 | fail | ✅ fail |
| 未簽 | fail | ✅ fail |
HIGH — H1 只對 clean install 關閉
reviewer 逐條 trace 兩個 exec 呼叫點：fast path（sidecar 相符）與三條 keep-existing 分支全部未驗證就 exec——包括重新下載失敗後，退回去執行使用者正想替換掉的那支 binary。
現在整支腳本只有一個 exec，而且有閘。代價是每次 spawn 多一次 codesign 呼叫，換到的是所有路徑都涵蓋。
HIGH — 沒有任何東西在發版時跑過這個字串
scripts/release-mcp.sh 只跑 codesign --verify --strict（連未簽的 binary 都會過）。整條 pipeline 從來沒把 wrapper 實際使用的 requirement 對真實 binary 跑過一次——唯一跑它的是使用者機器上的 wrapper，在 release 已經公開之後。這就是為什麼兩輪弱於預期的 requirement 都沒被發現。
release script 現在會用同一組 clause 驗證簽好的 binary。刻意寫成 literal 而非從 wrapper 讀取：重點正是要在兩者不一致時失敗。
CHANGELOG
仍在描述「mandatory checksum + 裸 codesign」，那是 round 1 的樣子；且把非致命重試路徑數成兩條，實際三條。已重寫，並把中間兩次失敗記進去——兩次都看起來是對的，這件事本身值得留在文件裡。
不可 merge。 未打 idd-163-verified tag：diff 已變動（d5bcb0c → 609bd9e），且 shell lens 缺席、CRITICAL 修法本身需要一輪獨立驗證。以這條 issue 的歷史（兩輪安全控制都是「看起來對、實測無效」）來說，這次尤其不該靠自我宣稱結案。
…bundle # Conflicts: # CHANGELOG.md
… drift check real Round 4 ran clean for the first time on this issue — 5/5 lenses plus the adversary, no integrity gaps — and found two CRITICALs. The first is mine, introduced by round 3's own security fix. CRITICAL 1. Round 3 closed H1 by replacing an `exec` in the verification-failed branch with a fall-through, so the single gated exec at the bottom would cover that path too. The fall-through then ran straight into the install sequence, which was not guarded by $VERIFIED. A REJECTED download therefore stamped the sidecar with its version and printed "installed". The binary was never replaced (the .tmp had already been deleted, so mv failed harmlessly) but the bookkeeping lied, and that is sufficient: the next spawn read the poisoned sidecar, found it matched, skipped resolution entirely, and ran the stale binary forever. That is exactly the self-heal defeat #163 exists to fix, reintroduced through the back door by the fix for it. Reproduced against the real script with a stubbed registry before fixing: sidecar v2:0.15.0 -> v2:0.16.0 with the old binary still on disk. The install sequence is now inside the verified branch, mv's exit status is checked, and the sidecar is written atomically. Two tests drive the real wrapper against a registry serving an unsigned payload so codesign rejects it for genuine reasons — the path that carried both CRITICALs and three HIGHs had no test at all. CRITICAL 2. The release script's "anti-drift" check never compared the two requirement strings. It only re-verified the binary it had just signed, which is trivially self-consistent, while the comment claimed "the point is to fail when the two DISAGREE". A contributor renaming the SwiftPM product would update Package.swift and the adjacent release literal together, miss the wrapper's copy in another file, pass this check, ship, and brick every existing install with no self-heal path. Worse, codesign without `-i` derives the identifier from the filename, so the rename would silently change what the wrapper has to match. The release script now signs with an explicit --identifier and rebuilds the wrapper's string from the wrapper's own source, failing if they differ. Also from this round: - The gate bricked `scripts/install.sh`'s local dev build, which this file's own header comment promises works. BESTASR_MCP_ALLOW_UNSIGNED=1 is a deliberate, loud opt-out; the header now says so. An environment variable rather than an on-disk marker, because anything on disk is writable by whoever could plant the binary in the first place. - verify_binary swallowed stderr, making "codesign could not run" indistinguishable from "this signature is wrong". It now surfaces what codesign actually said. - CHANGELOG records the rollback limit rather than implying it away: the requirement pins who signed and which program, not which version, so a party who can serve release metadata can replay an older genuine release. 478 tests / 94 suites green. Refs #163
Verify Report — #163 round 4 · 2 CRITICAL，已修（
|
| Frozen | 524b049（已併 origin/main）· freshness gate PASS |
| Ensemble | 4 lenses + DA — 5/5 完成、DA 完成、integrity gaps 0 |
| Findings | 26（2 CRITICAL / 5 HIGH / 5 MEDIUM / 1 LOW / 13 INFO） |
這是 #163 第一次拿到乾淨的一輪（前三輪分別缺 DA、缺 Codex、缺 shell lens）。shell lens 這輪終於跑完——它在前一輪 error，等於 POSIX sh 敵意審查從未執行過。
🔴 CRITICAL 1 — 被拒絕的下載仍然會蓋掉 sidecar（round 3 的修法自己造成的）
Round 3 為了關 H1，把驗證失敗分支裡的 exec 換成 fall-through，讓底部那個唯一的 gated exec 也涵蓋這條路。但 fall-through 直接掉進下方的安裝序列，而那段沒有被 $VERIFIED 包住。
我自己用真實腳本 + stub registry 重現：
=== sidecar BEFORE: v2:0.15.0 ===
bestasr-mcp: ERROR — binary is not signed by the expected identity; refusing to install
bestasr-mcp: keeping the existing binary
chmod: .../bestasr-mcp.tmp: No such file or directory
mv: .../bestasr-mcp.tmp: No such file or directory
bestasr-mcp: installed v0.16.0 ← 假的成功訊息
=== sidecar AFTER: v2:0.16.0 ===
=== binary content: echo old-binary === ← binary 根本沒換
binary 沒被換掉（.tmp 已刪，mv 無害地失敗），但帳目說謊就夠了：下次 spawn 讀到被污染的 sidecar、發現與 desired 相符、完全跳過 resolution，然後永遠執行舊 binary。
這正是 #163 存在的理由本身——sidecar 記錄的版本與磁碟上的不符——被它自己的修法從後門放回來。 這是這個 PR 第 N 次出現「修 A 引入 B」，也正是我要 DA 去找的形狀。
修法：安裝序列移進 verified 分支、檢查 mv 的 exit status、sidecar 改原子寫入。
🔴 CRITICAL 2 — 「防漂移」檢查從來沒有比較過那兩個字串
Round 3 我在 release script 加了檢查，並在註解寫「the point is to fail when the two DISAGREE」。那句話是假的：它只把剛簽好的 binary 拿去對 RELEASE_REQUIREMENT 驗一次——而那是同一支腳本幾秒前用真鑰簽的，自洽是必然的——從頭到尾沒有讀過 wrapper 的字串。
reviewer 給出的具體觸發情境很平常：有人把 SwiftPM product 改名，順手更新 Package.swift 與緊鄰 codesign 呼叫的 RELEASE_REQUIREMENT（同一個 commit、grep 一定看得到），漏掉另一個檔案裡的 EXPECTED_IDENTIFIER。release 檢查照過、發版成功、然後所有既有安裝全部拒絕新 binary，且沒有 self-heal 路徑。
更糟的是他們實測確認：codesign 沒帶 -i 時，identifier 是從檔名推導的——所以改名會靜默改變 wrapper 必須匹配的值。
修法：release script 改用顯式 --identifier，並從 wrapper 自己的原始碼重建那個字串、逐位元組比對，不同就中止發版。實測兩邊 MATCH。
其餘已修
| Finding | 處置 |
|---|---|
HIGH — gate 直接砸掉 scripts/install.sh 的本機 dev build，而同一個檔案的檔頭註解正好承諾這個流程可用（DA 與兩個 lens 同時命中，這正是我指定要攻的可用性回歸） |
BESTASR_MCP_ALLOW_UNSIGNED=1 顯式 opt-out ＋ 每次 spawn 警告，檔頭同步更新。用環境變數而非磁碟標記：任何「這是 dev build」的磁碟訊號，能植入惡意 binary 的人同樣寫得了，那是安全劇場 |
MEDIUM — verify_binary 的 2>/dev/null 讓「codesign 跑不起來」與「簽章真的不對」無法區分 |
改為捕捉並顯示 codesign 的原話 |
| LOW — sidecar 寫入非原子 | 改 .tmp + mv |
| HIGH/MEDIUM — 這條路徑零測試覆蓋 | 兩個新測試驅動真實 wrapper ＋ 服務未簽名 payload 的 stub registry，讓 codesign 真的去拒絕 |
誠實記錄，未修
DA 的 HIGH — 需求釘住「誰簽的、哪支程式」，沒釘「哪個版本」：能提供 release metadata 的人可以重播一個舊的、真實簽名的 release，tag 與內容之間沒有密碼學綁定、checksum 又是 advisory。這是真的。修它需要簽名的 release metadata，超出本 issue 範圍——已寫進 CHANGELOG 當作明示的已知限制，而不是含糊帶過。
478 tests / 94 suites 綠。未打 tag：diff 已再次變動（524b049 → 3da9a50），而這條 issue 的歷史是每一輪都在前一輪的修法裡找到新洞，需要再一輪確認才收。
CI has been red on this branch since round 2 and no verify round noticed, because every round ran `swift test` locally, where it passes. The signature in the log is that EVERY test in the run reports ~64s, including ones that passed — the whole process was contended, not the wrapper specifically. These suites each spawn bash (and now codesign, since round 3 gated the exec), and on a 3-core runner a dozen suites doing that at once is enough to blow a budget calibrated on an 18-core machine. Both wrapper suites are now serialized, and the budget scales with the core count. The budget's purpose is that a hung wrapper fails instead of stalling forever; that is unchanged. Refs #163
…bundle # Conflicts: # CHANGELOG.md
… demanded With #165 on main, SpawnSiteSweepTests flags WrapperSidecarTests — exactly as that file's own comment predicted it would ("once #165 lands, its guard will flag this site and force the conversion, which is the guard doing its job, not a surprise"). This is that conversion. Both spawn sites now go through the shared runner: one concurrent drain shape and one deadline covering the whole operation, instead of a fourth hand-rolled variant. The wrapper budget still scales with the core count, so a hung wrapper fails rather than stalling. 493 tests / 98 suites green. Refs #163
1 participant
Refs #163
Summary
transcribe在任何乾淨安裝上必 crash（SIGTRAP / exit 133）。WeightVerifier透過Bundle.module讀weights-manifest.json，需要bestasr_BestASRKit.bundle放在執行檔旁邊 —— 但沒有任何安裝路徑會放它。MCP client 只看到MCP error -32000: Connection closed，完全指不到 resource bundle。診斷更正（重要）
原 issue 稱缺陷二為「fallback 路徑寫死了一個特定 repo 位置」。實際上
resource_bundle_accessor.swift不在 repo 內 —— SwiftPM 每次建置生成，把編譯機的絕對路徑烘進 binary。這就是「對維護者隱形」的機制：
Bundle.main.bundleURL這條本該為散佈服務的主要分支從未成功過，只是建置者機器上第二層 fallback 恰好命中。原建議修法「移除寫死的 fallback」不可執行 —— 該檔改不了也留不住。採選項 B（嵌入資源）
manifest 是隨版本 pin 的靜態表、只有單一消費者、4.8 KB —— 沒有理由住在 binary 外面。
scripts/embed-weights-manifest.sh由 JSON 生成 Swift 常數（JSON 仍是人類編輯的 source of truth）Package.swift：resources:→exclude:A 只消滅缺陷一；B 同時消滅缺陷一與二 —— 沒有 bundle 要找，就沒有寫死路徑可撞。
缺陷三：sidecar 說謊
sidecar 無條件寫
DESIRED_VERSION，但下載在 pinned tag 不存在時靜默 fallback 到releases/latest。於是 sidecar0.16.0/ binary 自報0.15.0/ 最新 tagv0.15.0→ 下次比對相等 → 永遠不再重新下載。改為記錄 API 回應的
tag_name，並加守衛避免「plugin.json 超前於已發布 release」時每次啟動重下整個 binary。驗證
清空既有產物後重建：
不是繞過 crash，是讓它在型別層不可能發生。全套件 447 tests / 89 suites 全綠。
scripts/install.sh經查證不需改動 —— B 讓 binary 自足。Checklist
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