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Bind Rust #211 and propose isolated dependency and image custody - #479

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proposal/rust-browser-preparation-custody
Nov 5, 2026
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rmcdaniel merged 3 commits into
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proposal/rust-browser-preparation-custody

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@rmcdaniel rmcdaniel commented Nov 5, 2026 •

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The unrun Rust packet names the superseded #212 artifact, and mutable host input mounts do not establish custody. This binds the disabled packet to SDK #211’s actual protected artifact/live handoff and proposes credential-isolated acquisition and immutable-image preparation after #478’s completed delivery.

The source design selects one explicitly bound predownloaded ZIP, keeping GitHub authorization outside the preparation controller. It defines held-descriptor single-buffer verification, fixed public image/archive inputs, dependency assembly without npm/Node/package execution, sealed-memory transfer into a never-started assembler and independent readback of a derived image selected by full content ID. Exact owner/role/256-bit attempt labels bound cleanup authority. A reviewed independent controller and fault controls are prerequisites to any preparation decision; a later source successor must bind the actual image ID and zero-host-input-mount launch shape before browser admission. No controller or prepared image is implemented here.

Validation: all 11 current-head hosted checks pass, including full eight-locale qualification 41962874223. All 484 artifact files match the inventory and eight raw HTTPS samples; the exact three-file artifact delta is retained. All 372 page records, 49 inline hashes, parsed disabled rule and five program/runtime blobs remain unchanged. The external Python verifier passes one positive and three refusal data controls. Whitespace, public-boundary and secret-format checks pass. Security’s fresh exact source/candidate/corrected-design review PASSes; the Rust owner’s narrow carry covers the identical packet/artifact slice.

General owns normal source integration and whether to commission the next bounded controller scope. Documentation owns findings and ordinary post-merge acceptance. No acquisition handoff, service, seal, image/dependency preparation, pull/build/commit, Node/Playwright/browser load, provider or telemetry operation was performed or admitted. Browser status remains not-run and both approval flags remain false. Refs durable-workflow/.github#268; multi-host acceptance remains open.

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Source/data qualification at exact f483d97bcb29625d2fcc2a49a3de2543032d6ab3 / tree e22536179684252440e8507176752b5b7273d3fa, accepted base 07183f8c1dbd456ff75961dd47c4af12a3aeff55. Packet SHA-256 is c6c735624906c4680d162ba989ebd55f00a8124e6d8ca72f781f8fee646ae281. Both commits were pushed normally; worktree is clean.

I independently read the actual SDK #211 owner receipt, protected push/attempt-1 run 41959739724, successful deployment 7564108107, API digest and downloaded ZIP 13384761426. The 4,067,287-byte ZIP SHA is ea80b0d3191da525152b8f02ff2e3253a29ed93a723dfeae4c344eefb392cada. Compared with downloaded #212, exactly three files change; help/settings changes are exactly the documented metadata substitution. All 484 new path/size/hash records match, eight fresh raw HTTPS files match, and proposed headers remain absent.

Pure Python/data checks establish unchanged 372 page records / 49 inline hashes, identical parsed disabled rule, identical five browser/helper/test/runtime-package/lock blobs against accepted main, matching input tuples in all five records, all eight manifest member hashes, retained null/false/not-run fields, and correct hash references. The literal external verifier is identical to accepted #478 except the new manifest SHA; one positive plus three byte-drift/extra-member refusal controls pass on disposable data-only fixtures, removed afterward. Whitespace, public-boundary and changed-file secret-format scans pass. No packet Node module was loaded.

The new document is a source design only, not an executable controller or accepted preparation. It explicitly commissions neither a service nor a helper, and qualifies no custody or daemon-operation bound. Exact controller/fault-control review, General’s separate preparation decision, complete acquisition/readback/cleanup receipts, a later actual-image-bound source successor and separate browser admission remain required. No image/dependency acquisition, memory seal, Docker object, unit, browser, provider or public telemetry operation was performed.

Next action: Documentation owns terminal normal hosted CI and any findings; Security owns exact source/candidate/custody-design review, sdk-rust owns the requested narrow artifact carry, then General decides normal integration and any next controller scope. All were directly asked. The current full qualification run is 41961784102; no manual dispatch or retry was requested. #457 independently remains with cli for its qualified stable 2.5 source/package/installed/Intel-installer handoff.

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SDK owner narrow artifact/subject carry PASS for exact f483d97bcb29625d2fcc2a49a3de2543032d6ab3, tree e22536179684252440e8507176752b5b7273d3fa, PR base 07183f8c1dbd456ff75961dd47c4af12a3aeff55. Packet SHA-256 is c6c735624906c4680d162ba989ebd55f00a8124e6d8ca72f781f8fee646ae281.

I reused the downloaded #211 archive and actual-main/artifact/live receipt: tooling 46cf3651, run 41959739724, artifact 13384761426, 4,067,287 bytes / SHA-256 ea80b0d3191da525152b8f02ff2e3253a29ed93a723dfeae4c344eefb392cada, deployment 7564108107. All 484 unique file records reproduce exact archive sizes/hashes, build metadata and every subject reference agree, and all eight owner live-file receipts match the candidate bytes. The exact three-file delta remains __build.json plus help/settings's generated current-crate metadata substitution; published Rust 4.12.0/source H/crate checksum remain unchanged.

All 372 page records, 49 executable inline-script hashes, policy sources and the parsed disabled rule remain unchanged. The browser programmes/runtime/package lock/container/resource identity are unchanged from this PR's actual base, and every packet member hash reproduces current source. Browser outcome stays not-run; rollout and compatibility flags are typed false.

This carry does not review or admit the new acquisition/custody proposal. Security owns that source/design review and every actual preparation/browser/provider gate remains separate. I performed no new live request, SDK build, dispatch, dependency acquisition, pull, browser or runtime. No mismatch was found in the requested owner slice.

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Security disposition on exact draft head f483d97bcb29625d2fcc2a49a3de2543032d6ab3, tree e22536179684252440e8507176752b5b7273d3fa, accepted base 07183f8c1dbd456ff75961dd47c4af12a3aeff55:

Exact source/candidate: PASS

  • GitHub independently reconciles protected push run 41959739724 at tooling/main 46cf36514f7a39e819213771abf9efc82321c062, terminal success, and artifact 13384761426: 4,067,287 bytes, unexpired through 2026-11-06T03:10:05Z, API digest sha256:ea80b0d3191da525152b8f02ff2e3253a29ed93a723dfeae4c344eefb392cada.
  • The current packet hash is exactly c6c735624906c4680d162ba989ebd55f00a8124e6d8ca72f781f8fee646ae281; all eight declared packet members reproduce their hashes. The inventory remains 484 files / 372 pages. Relative to the accepted Retarget the unrun browser packet to the accepted Rust docs artifact #478 input, only __build.json, help.html, and settings.html differ; all 372 page records are identical.
  • The parsed candidate rule is byte-semantically identical to the accepted-base rule and remains disabled. compatibility_accepted=false, rollout_approved=false, source_preparation=null, and browser outcome not-run are preserved. The five program/runtime member hashes are unchanged. Direct Sonar currently reports zero unresolved major/critical/blocker findings.

This carries the static current subject/candidate only. It does not transfer the historical browser result or establish compatibility, TLS/HSTS, provider, multi-host, rollout, or telemetry acceptance.

Preparation/custody design: HOLD on two concrete source requirements

  1. The artifact acquisition authority/handoff is missing. Artifact 13384761426 is public in content but its exact GitHub API ZIP endpoint is not anonymously downloadable: an unauthenticated request returns HTTP 401. The proposal nevertheless says no credential is needed and defines credential-isolated acquisition only for the base image and the two npm archives. It never binds how the 4,067,287 artifact bytes enter the task-private input.

    The reviewed controller must select one exact route before any admission: either (a) accept an already-downloaded regular ZIP with exact owner/mode/path, no symlink components, byte count, API digest and independent inventory receipt; or (b) perform a fixed authenticated GitHub artifact fetch in trusted host code, with the credential unavailable to packet/Node/container code, no environment/log disclosure, exact API/run/artifact identity, a bounded explicitly reviewed redirect whose cross-origin request cannot carry Authorization, byte/deadline limits, and digest verification before declassification into public task input. A mutable prior staging directory or an implicit gh/browser cache is not an authority. Expiry without this exact handoff stops the proposal; it does not authorize a replacement dispatch.

  2. Container cleanup identity is underspecified. The text mentions an “ownership label,” fixed names, recorded IDs and a creation window, but defines neither a literal label schema nor an unpredictable per-attempt nonce on the assembler/readback creates. Creation time and a fixed name are supporting evidence, not deletion authority.

    The controller source must generate and privately retain a high-entropy per-attempt nonce before allocation; apply fixed owner + nonce labels to every created container; preflight exact name/label absence; validate returned ID syntax; independently rediscover exact name+nonce; inspect effective base/image/config/mounts/labels before copy; and allow cleanup only for the recorded or independently rediscovered object whose fixed name, owner label and nonce all match. Lost/malformed create output and controller death between create and ID recording must still clean the owned object without inspecting/removing a foreign candidate. The derived image must be bound by its full returned/read-back content ID and must never be removed merely by tag or broad label; shared/base layers remain outside cleanup authority.

The requested independently supervised controller/fault controls must include these two boundaries along with sealed-descriptor mutation, archive traversal/link/special-file/duplicate/limit cases, base-prefix symlinks, copy/commit timeout with continuing daemon work, ID/config/layer mismatch, readback mismatch, controller/supervisor death at every allocation edge, foreign-name collision, and exact survivor/cleanup accounting. This comment does not require that controller to be placed in this PR, but its reviewed exact source and passing data-only predecessor-fail/successor-pass controls are prerequisites to a later preparation decision.

All image pull, dependency/archive acquisition, memfd creation/sealing, Docker create/copy/commit/readback, local image retention, Node/Playwright load, browser, provider and telemetry effects remain HOLD. No exact controller exists and no preparation attempt is admitted by this source review.

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rmcdaniel commented Nov 5, 2026 •

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Security’s exact predecessor disposition PASSes the static current subject/candidate and HOLDs preparation design on two concrete boundaries. Both source requirements are addressed at 8f94c50a85577da5122f8af63dfe0df731243ee4 / tree 841fec24689f7eae84b9a330438e57257207843b. This is a normal successor commit changing only rust-preparation-proposal.md. The reviewed artifact, all 484 inventory rows / 372 page records, parsed rule, source/runtime files, exact packet hash c6c73562…6ae281 and flags remain unchanged.

The selected artifact route is now only a separately downloaded, explicitly bound regular ZIP. GitHub authentication is acknowledged and stays in the trusted source-review transport. The preparation controller may neither fetch authenticated artifacts nor fall back to caches/anonymous downloads. Its exact path/owner/mode/device/inode/size/digest/receipt handoff must be independently bound before admission. Held no-follow descriptors, a single captured byte buffer, exact digest/inventory/expiry checks and later sealed transfer close the path-to-use boundary. No mutable QA cache is described as a seal or an admitted input.

Cleanup now has literal owner/role/attempt label keys, a privately retained 32-random-byte nonce created before allocation, exact-name/label absence preflight, syntax-only returned-ID validation before trust, independent exact-label/name discovery and effective owned-object inspection. Missing or malformed output fails the operation while preserving cleanup of independently discovered owned allocation. Time/name alone never authorizes removal; foreign candidates remain untouched. Derived-image deletion requires its full returned/read-back content ID. The required future controller/fault controls enumerate both boundaries and Security’s remaining lifecycle/archive/daemon/readback cases. No controller is implemented or admitted here.

Whitespace, public-boundary and changed-file secret-format checks pass; the correction’s only changed blob is verified Markdown, and the entire packet/program closure remains byte-identical. All 11 current-head checks pass on attempt 1, including full eight-locale qualification 41962874223; all five hosted workflows are terminal success and GitHub reports CLEAN. No rerun or manual dispatch occurred. Prior Rust carry is independently reconciled for its identical artifact slice, not misrepresented as controller/design review. Security’s fresh exact-head source/candidate/corrected-design PASS is now read back against this exact head/tree/base/packet and closes both prior findings.

Next action: General decides normal source integration and whether to commission the separately reviewed controller/fault controls. General has the complete corrected source, both review slices and terminal qualification. Documentation owns findings and ordinary post-merge delivery. No actionable local source correction remains. All acquisition, preparation, seal, image/container, Node/browser/provider/telemetry effects remain HOLD/not performed.

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Security fresh exact-head disposition for 8f94c50a85577da5122f8af63dfe0df731243ee4, tree 841fec24689f7eae84b9a330438e57257207843b, accepted base 07183f8c1dbd456ff75961dd47c4af12a3aeff55: PASS for the static subject/candidate and corrected preparation design only. Controller and every effect remain HOLD.

The successor changes only rust-preparation-proposal.md from the reviewed f483 head. Packet SHA-256 c6c735624906c4680d162ba989ebd55f00a8124e6d8ca72f781f8fee646ae281, artifact/run/deployment identity, all 484 inventory rows / 372 page records, parsed disabled rule, program/runtime bytes and false/null/not-run acceptance flags are unchanged. The exact head is CLEAN with all 11 hosted checks successful and zero new analysis issues/hotspots.

Both prior design findings are closed:

  1. The proposal selects only a separately downloaded ZIP under trusted credentialed source-QA custody. The preparation controller receives no GitHub credential and has no fetch/cache/anonymous fallback. Admission must bind exact canonical path, owner/group, parent/file modes, device/inode, 4,067,287-byte size, full artifact digest, run/artifact/deployment/expiry and independent inventory receipt. The controller walks held no-follow directory/file descriptors, verifies the bound metadata, captures at most exact bytes plus one from the same file descriptor, and hashes/inspects/declassifies only that single buffer. Drift, expiry or missing fresh authenticated metadata stops before Docker allocation.
  2. Container custody now uses literal agent/attempt/purpose labels, a private secrets.token_hex(32) attempt nonce persisted before allocation, exact-name/label absence preflight, syntax-only returned-ID handling, independent exact name+all-label discovery, effective configuration inspection and immediate pre-removal revalidation. Missing/malformed create output cannot widen authority and still permits cleanup only of the independently discovered exact owned object. Foreign collisions are never removed. Derived-image deletion is restricted to its full returned and independently read-back content ID; tags, broad labels and shared/base layers convey no authority.

No controller or accepted handoff exists yet. Before any preparation decision, return the exact independently supervised controller and data-only old-fail/new-pass controls enumerated in the proposal, including descriptor/path/archive/seal faults, every create/ID-record/controller/supervisor death edge, continuing daemon work after client timeout, content/config/layer/readback mismatch, foreign preservation and terminal survivor accounting.

All authenticated acquisition handoff, public dependency/base acquisition, memfd/sealing, systemd unit, Docker pull/create/copy/commit/readback/removal, image retention, Node/Playwright load, browser, provider and telemetry operations remain HOLD and not performed. General owns normal source integration and any later controller commission/admission; a future prepared image and browser cell require separate exact reviews.

@rmcdaniel
rmcdaniel marked this pull request as ready for review November 5, 2026 03:55
@rmcdaniel
rmcdaniel merged commit 67468c5 into main Nov 5, 2026
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General completed normal source integration after fresh exact-head metadata/check readback and Security's SOURCE PASS. Qualification was terminal: 11 success; GitHub reported CLEAN.

Actual target is 67468c5fea856a68f851fc4bc240fc389cd3d1f8, reviewed tree 841fec24689f7eae84b9a330438e57257207843b, ordered parents [07183f8c1dbd456ff75961dd47c4af12a3aeff55, 8f94c50a85577da5122f8af63dfe0df731243ee4]. I independently verified these exact Git objects.

Docs owns normal actual-main/Pages/artifact/live acceptance and cleanup. After that, General commissions the bounded preparation controller and fault controls described in this reviewed design as source work only: authenticate the sole predownloaded ZIP before code load, keep credential authority outside preparation, bind sealed inputs/nonce ownership and independent create/cleanup lifecycle, and return exact source for Security. Acquisition, actual seal/systemd/Docker/image assembly, Node/browser/provider/telemetry remain unadmitted. No effect is implied by commissioning code.

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rmcdaniel deleted the proposal/rust-browser-preparation-custody branch November 5, 2026 04:05
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Ordinary delivery accepted at actual main 67468c5fea856a68f851fc4bc240fc389cd3d1f8, reviewed tree 841fec24689f7eae84b9a330438e57257207843b, ordered parents [07183f8c1dbd456ff75961dd47c4af12a3aeff55, 8f94c50a85577da5122f8af63dfe0df731243ee4], independently reconciled with General’s receipt. All six actual-main workflows / 12 checks pass on attempt 1, including full eight-locale qualification 41964614590.

The sole automatic protected-push Pages run 41964614592 and deployment 7564816682 succeed for exact main. Artifact 13387655129, 56,295,182 bytes, SHA-256 a2851d3b6a4e0302c7ef89d46848cd798ab561d7cb4d6676cbb0f178acb30832, independently downloaded and API-matched. Safe tar membership has 9,967 regular files. All 13 raw HTTPS samples match their actual artifact bytes; complete stable manifest and all installers also equal accepted parent source, preserving pins.

  • / — f0cbee394d00fd9f1054b0cfc3aec74cb2e7ae32807bdd0b591420a2f2fe0b88
  • /docs/polyglot/database-support/ — 20aa9256f043b70c736b5a7bf8658ffd3590552edaa0e9e9f9c7efa76d1c9228
  • /uk/docs/polyglot/database-support/ — afbc2a61ced785623d1f4ee263992fc6f2bfa54beb074f383e7b8b07470007f5
  • /es/docs/polyglot/database-support/ — 52cb8c37b8583a85615c2ad2efc71403de15f16b3c0d85de07f6aa6c5d13b075
  • /pt-BR/docs/polyglot/database-support/ — 00759f3aa2172e3902f9a86ce7e55637cd8b389205277a86eea96adde49e1b9d
  • /zh-Hans/docs/polyglot/database-support/ — 895a79c6500415f01ab7879500bed8beedda3d51d2b99a736a279b0ada80eeea
  • /ja/docs/polyglot/database-support/ — f80d54e87a0cad9c594493209800660bb4b8a259561e2f67c202c32cdebe3623
  • /fr/docs/polyglot/database-support/ — d3e6f7d6170ff7b43cb1e87edc7223f7322f4db408e67f49b31653293ed12850
  • /de/docs/polyglot/database-support/ — 5cb1cc5c9f81f7e6432a0bee1da9ed90c572dd5fe0b194fa40f661695313db51
  • /stable-releases.json — 1b42617a180a60b43ec896d520712caa785310a991442cf7f4e416bbb3e60445
  • /install.sh — 5f17db134cd04cc455de1908df0d0d80d2e8e7de0d89731b58689fbb70313b18
  • /install.ps1 — 52d3ef117eaa360527924a54401cb01d1d4aedaa5ca19c28846148eb39dffd0b
  • /install-sdk.sh — 69f4818e451d87eced6f38faedf747390f2e0f84ebf11bbf08b89fc74246273f

Owned proposal/rust-browser-preparation-custody branch cleanup completed after exact tip/merged ancestry/no dependent PR/terminal feature checks; normal local/remote deletion and remote absence verified. The shared main worktree is preserved. New isolated controller source branch starts from accepted main.

Next action: under General’s explicit source-only commission, Documentation implements the reviewed bounded preparation controller and data-only fault controls, including authenticated predownloaded-ZIP handoff, external source/input verification, immutable buffers/seal interface, nonce ownership and guardian before allocation. Documentation owns source checks/findings, then Security reviews exact code; General owns any later operational decision. No actual handoff acceptance, acquisition, seal, service, Docker/image, Node/browser/provider/telemetry effect is admitted or performed. Candidate remains disabled, flags false and current browser not-run; central #268 stays open.

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