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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - Paperclip Runner and the shared `adapter-utils` engine run ACP agents through the embedded ACPX library > - Paperclip pins ACPX 0.13.1 and keeps a large patch (`patches/acpx@0.13.1.patch`) on it > - ACPX 0.22.0 adds host hooks (`onAcpMessage`, `assertActive`, `processLifecycle`, prompt-response `_meta`, `spawnAgent`-friendly launch) that make much of that patch unnecessary > - A large patch is expensive to port and hides behavior that belongs to Paperclip > - This pull request upgrades to ACPX 0.22.0 and moves most patched behavior into Runner and `adapter-utils` > - The benefit is a patch that is 484 lines instead of 1,334, with the moved behavior covered by Paperclip tests ## Linked Issues or Issue Description Refs #20675, #14430, #15075, #17942, #9980 **Proposed enhancement** Upgrade the embedded ACPX library from 0.13.1 to 0.22.0. Keep only the patch behavior that stock 0.22 cannot express. **Motivation** The 0.13.1 patch held behavior that Paperclip owns, for example usage receipts, Copilot policy, model checks and the agent environment. Each ACPX upgrade had to port all of it. ACPX 0.22 gives hooks that let Paperclip do this work itself. **Current behavior** Runner and `adapter-utils` depend on 1,334 lines of patched ACPX 0.13.1 code. **Expected behavior** Runner and `adapter-utils` use ACPX 0.22.0. The patch keeps only: extension methods, Cursor subagent routing, event `_meta` and the message boundary chunk, the protocol guard hook, `spawnAgent`, and `requestExtension`. ## What Changed - ACPX 0.13.1 → 0.22.0 in Runner, `adapter-utils`, the server, the Daytona runner images and the qualified profiles (`acpxVersion`). `@agentclientprotocol/sdk` moves to 1.9.0. - New `patches/acpx@0.22.0.patch` (484 lines). The 0.12.0 and 0.13.1 patches are removed. - Delivery receipts: Runner confirms a permission reply when `onAcpMessage` sees the exact outbound reply. Question and extension replies count as delivered when Runner hands them back to ACPX. New `interaction-delivery.ts`. - Copilot policy: the existing policy function runs from `onAcpMessage`. A violation stops the agent, cancels later permission requests and fails the next prompt through `assertActive`. - Model selection: stock 0.22 validation, plus a sidecar gate (`createAcpxEffectiveModelGate`) that refuses a prompt if the agent reports another model. Grok binds its model when the session opens. Antigravity adds its concrete model to the model list ACPX reads. - Typed session failures: Runner and `adapter-utils` read them from the turn result `_meta` and fail the turn. They advertise the capability themselves. - Pi and Cursor usage receipts: a collector (`prompt-receipts.ts`) binds them to the turn's own `session/prompt` reply. - Goal capability: Runner reads it from the `initialize` reply. It keeps it under `paperclip.goalCapability` in the saved agent capabilities `_meta` and restores it when a saved session loads. - Agent environment: Runner and `adapter-utils` set the agent environment in `spawnAgent`. ACP terminals keep their current environment. `adapter-utils` blocks inheritance of `XAI_API_KEY` and refuses to start if the server has an `ACPX_AUTH_*` variable. - `adapter-utils` spawn hooks (`spawnCwd`, stderr, `onAgentSpawn`): a new `stockAcpRuntimeOptions` maps them to stock `spawnAgent` and `processLifecycle`. - Windows: ACPX 0.22 rejects raw command strings on Windows. `adapter-utils` now passes an argv array there. - Grok rules: a Runner guard (`grok-session-rules.ts`) writes `session/new` `_meta.rules`. - Turn-dispatch journal (#20675): ACPX 0.22 ignores errors from `onAcpMessage`. The adapter keeps a failed `dispatched` write and throws it from the turn's `assertActive`. ACPX calls `assertActive` before the prompt write, so the write still stops. The real-ACPX test now checks this route. `docs/durable-recovery.md` is updated. - Plan events: the sidecar reads 0.22 `status` events tagged `plan`. - CI: the backup-checkpoint lane now installs through the shared `setup-ci-dependencies` action, like PR CI, so it resolves a stale `pnpm-lock.yaml` in place. It runs on any root `package.json` change, and pull requests never commit the lockfile, so its own frozen install failed on dependency changes. - Tests that checked removed patch internals are removed or rewritten: the response-delivery, Cursor-usage and Pi-receipt package contracts, and the goal-persistence packaging test. New unit tests cover the moved behavior. ## Verification Local runs on macOS (darwin-arm64), Node 26, on the rebased head: - `pnpm --filter @paperclipai/paperclip-runner exec vitest run src/drivers/acpx src/cli`: 2,000 passed. - `tsc -p packages/paperclip-runner/tsconfig.json` and `tsconfig.test.json`: no errors, except the existing `@paperclipai/paperclip-eval-kernel` build gap in `workflow-harness.ts`. - Runner package contracts (`node --test test/acpx-*-package-contract.test.mjs test/acpx-sidecar-contract.test.mjs`), `scripts/build-inputs.test.mjs`, `scripts/contracts/contract-fingerprints.test.mjs`, `scripts/acpx-patch-packaging.test.mjs`: all pass. `node scripts/generate-acpx-sidecar-contract.mjs --check` passes. - `cargo test -p paperclip-runner-core --test acpx_park_preparation --test acpx_park_readiness --test acpx_warm_attachment --test native_provider_backend`: 86 passed. `cargo fmt --check` passes. - `adapter-utils`: `tsc` clean. `vitest run src/acpx-engine src/mcp-isolation.integration.test.ts`: 457 passed (one Gemini flag test failed once under load and passes when run alone). - Adapters: `claude-local` and `codex-local` `acp.quota.test.ts` (23 and 39 passed), `grok-local` (149 passed). - Server: `scripts/prepare-runner-vendor.test.mjs`, `native-session-executor.test.ts`, `quarantined-task-retry.test.ts` (1,416 passed). - `cargo test -p paperclip-runner-core --lib -- previous_acpx_release acpx_upgrade unrestorable_saved_sessions`: 3 passed. `node --test test/acpx-session-carry-forward-package-contract.test.mjs`: passes. - `patch -p1 --forward` on a clean `acpx-0.22.0.tgz` gives output identical to the port. - Under full-suite load, some Runner live and recovery tests time out. Each one passes when run alone. Full regression is left to CI. Not run: live provider runs (they need provider credentials), the opt-in Kimi live peer test, the Gemini filesystem smoke test, and Windows. ## Risks - Previous-release story: sessions saved by the previous release (ACPX 0.13.1) carry forward. ACPX 0.22 loads the session records 0.13.1 wrote. Runner moves a saved descriptor that names 0.13.1 (`CARRIED_ACPX_RELEASES`) to 0.22.0, and the sidecar keeps 0.13.1 as the ACPX value in the session identity, so the saved session key and identity record still match. The existing launch-profile rebind still decides which sessions resume: a settled session, or the same run's interrupted turn through lost-turn recovery. A session saved by any other ACPX release is still refused as `provider_state_incompatible`. `rules/acpx-profile-identity.mdc` and `docs/durable-recovery.md` now describe this. - Proof: `acpx-session-carry-forward-package-contract.test.mjs` resumes a session record written by the real ACPX 0.13.1 with its Paperclip patch. 0.22 loads the same provider session (no `session/new`), runs a turn and keeps the earlier turn. Rust tests cover a settled 0.13.1 session that the next run attaches to, and a turn interrupted by the upgrade. A recovery-identity test checks that the session key and identity record match across the versions. - `pnpm-lock.yaml` is not committed. CI resolves it for each run, and the lockfile refresh workflow updates it after merge. - Behavior change on the server: `adapter-utils` refuses to create an ACPX runtime if the server environment has an `ACPX_AUTH_*` variable. Before, ACPX ignored such variables. Stock 0.22 would use them to authenticate agents with server credentials. - Delivery confirmation is now Runner-owned. A permission reply is confirmed by the exact outbound message. Question and extension replies are confirmed when Runner hands them to ACPX, not when the pipe accepts them. - Users can select only models that the agent advertises. Stock 0.22 rejects other model IDs (Claude is exempt). - ACP terminals keep the sidecar or server environment, as before. This existing exposure is not changed by this pull request. - The `adapter-utils` Gemini version probe now runs with the server environment plus the run variables, not the run variables alone. - The pack contract digest and profile `acpxVersion` change, so Daytona needs a new runner image. - Grok launch flags (`--model`, `--reasoning-effort`) were checked on 1.0.13 but session open needs a login, so Grok keeps the existing `_meta` path. > For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and discuss it in `#dev` before opening the PR. Feature PRs that overlap with planned core work may need to be redirected — check the roadmap first. See `CONTRIBUTING.md`. ## Model Used Claude Opus 5.5 (`claude-opus-5-5`), Anthropic, in Claude Code with tool use (shell, file editing, subagents). Extended reasoning was used. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
197 lines
11 KiB
Markdown
197 lines
11 KiB
Markdown
# Paperclip Daytona runner image
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Ordinary provider packs now include pinned Cursor assets for Linux x64; no
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`--candidate-providers=cursor` flag is needed. Cursor admission is enabled after
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the [production readiness gates](../../doc/plans/2026-10-03-cursor-production-readiness.md)
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passed. The public CLI installation command is `paperclipai runtime setup cursor`;
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it runs explicitly on the execution host and is never an npm installation hook.
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This image is the Paperclip Cloud fleet sandbox image plus a source-built
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`paperclip-runnerd` and immutable provider pack. The pack contains Node 24.11,
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OpenCode 1.18.34, the compiled OpenCode proxy, ACPX 0.22.0 sidecar, qualified ACP
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agents, and the production lockfile. Its manifest digests each executable bridge
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and records the runner source revision as provenance. Its interface declaration
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allows compatible app releases to reuse it without uploading or installing a pack.
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The fleet pins are intentionally copied from
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[`paperclip-cloud/fleet-sandbox-image/Dockerfile`](https://github.com/paperclipai/paperclip-cloud/blob/master/fleet-sandbox-image/Dockerfile).
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Update both definitions together until the fleet base is published as a stable
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image that this Dockerfile can extend directly.
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## Harness versions
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The October 2026 refreshes pin Codex 0.160.0, Claude Agent SDK
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0.3.286 (Claude Code 2.1.286), and OpenCode 1.18.34 in the shared provider
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pack. Claude Code 2.1.280 is the minimum for
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[Opus 5.5](https://code.claude.com/docs/en/model-config) and 2.1.284 is the
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minimum for Sonnet 5.5; the pinned runtime also supports Fable 5.1. Codex
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0.160.0 ships bundled metadata for the current
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[GPT-6.1 Sol, GPT-6 Sol, and GPT-6 Luna model IDs](https://learn.chatgpt.com/docs/models).
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The sandbox layer pins Grok CLI 1.0.70, Gemini CLI 0.65.0, Kimi Code 2.3.3,
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Cursor CLI 2026.10.22-27dcf5f, and GitHub CLI 2.103.3 (October 2026
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refresh). The native Cursor provider uses its separately verified distribution,
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pinned to 2026.09.26-dd393fe; it does not use the sandbox layer’s global Cursor
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executable. Grok CLI 1.0.70 supports the current
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[Grok 4.7](https://docs.x.ai/developers/grok-4-7) model family. Hermes stays
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at 0.19.0, the newest release on PyPI.
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Keep the patched ACP bridge versions separate from their CLI runtime pins.
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Their executable digests do not change when only the runtime dependency
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changes. Refresh the runtime executable digests from integrity-verified npm
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release archives for every supported platform, and keep the native runner,
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provider manifest, and remote controller version checks aligned.
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## Build and verify
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Run `pnpm --filter @paperclipai/paperclip-runner test:opencode:qualification`
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after installing dependencies to exercise the actual pinned OpenCode executable.
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It checks health/version, session creation and retrieval, SSE messages, an async
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prompt, and session deletion against a loopback mock provider. It uses an
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isolated home, starts no paid model request, and retires its process group.
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Set `PAPERCLIP_TEST_OPENCODE_BINARY` to the materialized Linux executable when
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qualifying an assembled provider pack.
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The fleet image is currently amd64-only because the pinned Cursor and GitHub CLI
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checksums cover amd64.
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```bash
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content_id="$(pnpm --silent test:e2e:runner:image-id)"
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docker buildx build \
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--platform linux/amd64 \
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--build-arg PAPERCLIP_RUNNER_CONTENT_ID="${content_id}" \
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--build-arg PAPERCLIP_RUNNER_SOURCE_REVISION="$(git rev-parse HEAD)" \
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--build-arg PAPERCLIP_RUNNER_LOCK_SHA256="$(shasum -a 256 pnpm-lock.yaml | cut -d ' ' -f 1)" \
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--tag "paperclip-daytona-runner:e2e-content-${content_id}" \
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--load \
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--file docker/daytona-runner/Dockerfile \
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.
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docker run --rm --platform linux/amd64 \
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--entrypoint paperclip-runnerd \
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"paperclip-daytona-runner:e2e-content-${content_id}" \
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--build-metadata
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```
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The metadata must advertise `dial_ws_loopback`, `dial_wss`, and `listen_ws`.
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The explicit entrypoint is needed only for this local probe because Daytona's
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base image uses its own long-running sandbox entrypoint.
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`test:e2e:runner:image-id` hashes the audited Docker build dependency closure,
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target platform, the immutable Dockerfile syntax-frontend digest, and every
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immutable `FROM` reference. It fails before the paid workflow can build when
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the frontend or a base is not pinned to a sha256 digest. When updating the
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syntax version, resolve and review its registry digest and update both values in
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the first Dockerfile line. Git commits that do not change those inputs reuse the
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same content tag.
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`PAPERCLIP_RUNNER_SOURCE_REVISION` remains the full Git SHA that built the first
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published copy and is retained as provenance rather than cache identity.
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## Use in Paperclip
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Publish the image to a registry Daytona can pull, or use the environment
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editor's **Configure image** flow to produce a Daytona snapshot. Set the
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environment image to that immutable tag or snapshot. Paperclip probes the
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sandbox user's `PATH` for `paperclip-runnerd` and `codex` and checks
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`/opt/paperclip-runner/provider-pack` for OpenCode and ACPX. It uses the pack
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when its selected provider interface and platform are compatible. App source
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revisions and unrelated provider pins do not force an update. Startup reads the
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small manifest in the existing runner metadata query. It does not scan the pack,
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run a version command, or transfer files on this path. Otherwise it stages the pack configured by
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`PAPERCLIP_RUNNER_REMOTE_PROVIDER_PACK_PATH`. Remote OpenCode and ACPX never
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fall back to host-local processes.
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`src/live/provider-pack-contract.json` in the Runner package declares the
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OpenCode and ACPX interface revisions. Change a revision only for an incompatible
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runner/pack boundary change, and qualify the new pack before publishing it.
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Bumping a revision also retires every older image pack.
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The pack build also records a `contractDigest`, computed by
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`scripts/contracts/contract-fingerprints.mjs` from the JSON contracts under
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`protocol/` and `generated/`, from Rust serde shapes, payload keys, match
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literals and env keys, and from the Runner's ACPX patch, rather than from
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source bytes. An image pack is reused
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only when its digest equals the controller's bundled pack; comments and
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refactors leave it unchanged, so a mismatch means a contract changed and the
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controller uploads its bundled pack. Packs without a digest are not reused.
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Define a new runner/pack contract in a schema under `protocol/` and generate the
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TypeScript from it, as the sidecar's `session.open` parameter allowlist is
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generated from `acpx-sidecar.schema.json`; TypeScript-only definitions are not
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part of the digest.
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Dependency versions and Git SHAs remain build provenance. ACPX retains its
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selected agent's qualified profile checks.
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The image build makes the pack root-owned and non-writable to the execution user. Fast admission
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requires protected ancestors and manifest, with no writable path alias. Task-owned
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packs and older packs without an interface declaration keep full content
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verification. An attached session retains the exact pack and daemon identity
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admitted at launch. Publish one new image with the interface declaration to enable
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reuse across later compatible app releases.
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Do not promote `paperclip-runner-e2e-20260826-v2` for OpenCode or ACPX. Build a
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new immutable image or snapshot from a clean committed revision and pass that
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full Git SHA as `PAPERCLIP_RUNNER_SOURCE_REVISION`.
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Do not bake provider credentials, Paperclip bootstrap tickets, or Daytona
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preview tokens into this image. They remain per-run secret material.
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The provider-pack build pins the official Linux x64 Node 24.21.0 image by
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manifest digest. Its bundled Undici is 7.29.1, which fixes
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[GHSA-3wwx-pv8p-q78v](https://github.com/advisories/GHSA-3wwx-pv8p-q78v).
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Pi separately verifies its private Node executable and nested npm dependency;
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changing the outer interpreter does not replace either provider-owned pin.
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Provider CLI updates are manifest-only changes: repository CI owns the root
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lockfile. Resolve the complete workspace manifest graph in the build context
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before invoking Docker, matching CI when a source commit precedes the lockfile
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bot. The trusted workflow supplies this resolved lockfile as an immutable artifact.
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The complete resolved lockfile must match `PAPERCLIP_RUNNER_LOCK_SHA256` before
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package installation or lifecycle execution. Review and refresh that digest
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with source dependency changes; registry-time resolution drift fails closed.
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The Product E2E workflow resolves one lockfile before the image build. It
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verifies the downloaded artifact, then passes that artifact's SHA-256 as the
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`PAPERCLIP_RUNNER_LOCK_SHA256` build argument. The Dockerfile checks the resolved
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lock against this value before installation. The Dockerfile has no default
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digest: standalone builds pass the SHA-256 of the lockfile in their build
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context, and a missing or malformed value fails before installation instead of
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surfacing as a checksum mismatch. When a source change needs a fresh lockfile,
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resolve it from the clean tracked lockfile using the exact
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`pnpm install --resolution-only --ignore-scripts --no-frozen-lockfile` command,
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and verify a second resolution preserves the digest. A lockfile left by a
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filtered or incremental install can retain stale importer patch identities.
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Refresh exact runtime versions and qualification digests together; do not
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download dependencies when a task starts.
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## Candidate ACP qualification assets
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Provider branches can build their pinned assets with
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`node packages/paperclip-runner/scripts/build-provider-pack.mjs /absolute/pack --candidate-providers=cursor`
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(or `copilot` or `pi`). The source revision must include the named provider's
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builder. Assets are installed at build time under `provider-assets/<provider>/<platform>-<architecture>`.
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The pack manifest binds each complete asset tree. Runtime admission separately
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checks the provider's source-owned closure pins and copies a verified launch snapshot.
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A pack with candidate assets does not qualify or enable that provider.
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For an isolated Linux x64 Daytona qualification image, pass
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`--build-arg PAPERCLIP_RUNNER_CANDIDATE_PROVIDERS=cursor` with the normal build arguments.
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Compute its content ID with the same selection:
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`pnpm --silent test:e2e:runner:image-id --candidate-providers=cursor`.
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Candidate assets and the default pack have distinct image identities. Never reuse
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the default image's content ID for a candidate build.
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Use each provider branch's recorded version and explicit model. Keep credentials
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out of images. Paid qualification requires bound provider and Daytona credentials,
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inspectable spend, and the shared $100 ceiling recorded in the capability report.
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The pack builder tests its copied Node interpreter after relocation. Use a
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standalone Node distribution if the host interpreter depends on a package manager's
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private shared libraries. Pi additionally pins its complete portable interpreter
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and npm dependency graph.
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Refresh exact runtime versions and qualification digests together; never download
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dependencies when a task starts. Grok's additive native ACP profile keeps its
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qualified 1.0.13 executable at the verified sandbox prerequisite path. It does not replace the
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legacy adapter's `grok` command on PATH.
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Native Grok is an image prerequisite at `/opt/paperclip/providers/grok/1.0.13/grok`.
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Its checksum-verified provisioning is separate from the provider pack, which ships
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only the built-in launcher. Public npm installation never downloads this binary.
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