tegwick
d477c3b5d9
Assistant: codex Assistant-Model: gpt-6-astra Assistant-Session: 01a0726e-5232-73f2-aaca-2c05ceb62efb
119 lines
5.1 KiB
Markdown
119 lines
5.1 KiB
Markdown
---
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id: SAND-WP-0015
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type: workplan
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title: "Provide a pinned bwrap rein runtime and private state"
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domain: infotech
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repo: sand-boxer
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status: blocked
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owner: codex
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topic_slug: bwrap-runtime-and-private-state
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created: "2026-09-05"
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updated: "2026-09-05"
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state_hub_workstream_id: "d3f12387-fd23-58f0-b979-9c811507614d"
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---
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# Provide a pinned bwrap rein runtime and private state
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Implement the runtime prerequisites returned by Glas in `GLAS-WP-0012` and
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`docs/local-profile-acceptance.md`. Continue owner work `SAND-WP-0014-T05` and
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live residual `GLAS-IN-0002`. Runtime startup is a separate acceptance gate
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from credential delivery, enforced provider egress, and a real model task.
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## Mount an owner-selected, digest-pinned Python runtime
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```task
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id: SAND-WP-0015-T01
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status: done
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priority: high
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state_hub_task_id: "93e4aad8-ba9b-5850-93d4-b5bf78ac8978"
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```
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Add exact artifact verification to trusted extension configuration and mount
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the standalone runtime read-only at a fixed namespace path. Reject altered
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content/modes, unexpected files, escaping symlinks, special files, and source
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or workspace overlap. A caller cannot choose runtime paths through exec input.
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Provide a non-editable rein-aharness/llm-connect bundle builder with recorded
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source revisions and resolved dependency versions.
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Completed 2026-09-05. `extensions/runtime.py` verifies complete artifact
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contents/modes before a read-only mount; the builder installed committed
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rein-aharness `1429db5` and llm-connect `0056094` without editable source paths.
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Candidate digest and source/package evidence are in `docs/bwrap-runtime.md`.
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## Keep writable runtime state outside the repository
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```task
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id: SAND-WP-0015-T02
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status: done
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priority: high
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state_hub_task_id: "c8a689f8-bdf2-57a2-8521-a1c0ca44e750"
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```
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Create private mode-0700 HOME/config/cache/state/tmp directories within the
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namespace, preserve them across exec requests, and remove them with teardown.
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Keep the command environment sanitized and disable Python user-site/bytecode
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writes. Fail closed on profile network/setup-credential declarations that the
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current bwrap implementation cannot honor.
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Completed 2026-09-05. Mode-0700 namespace HOME and XDG/TMP directories sit
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outside the copied Git tree. Explicit runtime PATH selection remains owner
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controlled. Unsupported egress/default-allow and setup credentials now refuse
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before workspace creation; regression tests cover these boundaries.
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## Verify the real rein runtime and owner regression paths
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```task
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id: SAND-WP-0015-T03
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status: done
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priority: high
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state_hub_task_id: "1a3002f6-c6a8-59d0-9d38-942028419de5"
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```
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Run `make check`, the existing authenticated cross-request owner smoke, and a
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real runtime startup smoke. Verify the actual rein CLI and adapter imports,
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read-only runtime, private HOME, clean worktree, absent source, loopback-only
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network, and teardown. Keep the production Glas profile blocked.
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Completed 2026-09-05. `make check`: lint clean, 132 tests passed. Authenticated
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owner API smoke `223db65b` returned HTTP 200 and proved exact consumer identity,
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stdin delivery, absent source, loopback-only network and complete teardown.
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Pinned runtime smoke `d4de9531` ran the actual rein CLI and imported its Claude
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adapter, proved read-only runtime/private HOME/clean worktree, retained private
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state across a second exec, and removed the workspace. No model call or
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credential acquisition occurred; T04 remains waiting.
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## Resolve Claude credentials, enforced egress, and production acceptance
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```task
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id: SAND-WP-0015-T04
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status: wait
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priority: high
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state_hub_task_id: "58817ef6-76d9-5e34-908f-c024e6c99f93"
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```
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The 2026-09-05 routing lookup found no concrete Anthropic/Claude workload lane.
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The generic OpenBao template is not a delegable lane; the OpenRouter AppRole
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belongs to another rein. Credential owner railiance-platform/OpenBao plus
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rein-aharness must establish a concrete Claude-compatible route and delivery/
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revocation contract before values can be requested or supplied to the runtime.
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Sand-boxer must then implement the matching enforced provider egress contract
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(including DNS/TLS and denied-destination proof) and pin/deploy the actual
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Claude executable. No unrestricted-network or interactive-login substitute is
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permitted. Review the deployed runtime/profile with Glas, run its real-rein
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acceptance fixture, and update only the proven profile's readiness. No
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production schedule is enabled by the runtime-startup smoke.
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This task and SAND-WP-0014-T05 remain open until those gates pass. The detailed
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return contract and runtime proof are in `docs/bwrap-runtime.md`; the live
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cross-repo residual remains `GLAS-IN-0002`.
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## 2026-09-05 transport implementation evidence
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T04 remains waiting on owner machine authentication, protected credential
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delivery, pinned Claude startup and the real model proof. CCR-2026-0016 custody
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is confirmed by a metadata-only check of live version 2; no value was read.
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HTTPS egress is now implemented as an exact owner/profile allowlisted CONNECT
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proxy while retaining an isolated network namespace. Non-secret live smoke
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sandbox e290e788 verified provider TLS response, undeclared destination and
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direct-IP denial, and proxy/workspace teardown. See docs/bwrap-egress.md.
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