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Commit Graph

Author	SHA1	Message	Date
DottaandPaperclip	250deab910	fix(runner): keep healthy native sessions alive (#13261 ) ## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Native sessions keep a provider process and its work alive across control-plane operations. > - A hidden 15-minute turn deadline stopped work even when the agent timeout was zero. > - A one-hour runner lifetime and fixed connection lease added two more limits. > - Recovery also rejected goal commands because it reconstructed their startup summary with the wrong protocol version. > - This pull request removes implicit duration limits and renews authenticated leases in the harness. > - Healthy sessions can continue without model action or a user interface change. ## Linked Issues or Issue Description Refs #13092 and #12845. Related: #13163 covers sandbox recovery after app restarts; this change covers session duration and lease renewal. What happened? A native Codex session stopped after 15 minutes while a tool was still running. The agent had `timeoutSec: 0`. Recovery then rejected a `session.goal.get` startup command with `invalid provider startup ownership fence`. Expected behavior An unlimited session keeps working while its provider and authenticated controller remain healthy. Lease maintenance is transparent. Explicit timeouts, cancellation and revoked authority still take effect. Steps to reproduce Start a native session with `timeoutSec: 0` and run a tool beyond 15 minutes. Before this fix, the runtime cancels the turn. A recovery startup that uses a goal command also exposes the protocol-version mismatch. ## What Changed - Honor the agent turn timeout. Zero disables the timer. Long explicit durations use timer chunks to avoid Node timer overflow. - Default native runner lifetime to unlimited. Keep bounded startup, reconnect and control-operation deadlines. - Renew leases over the authenticated connection. Persist renewal before the reply. Validate identity, epoch and expiry. Handle duplicate requests and a lost reply on reconnect. - Freeze renewal during warm ownership transitions and terminal handling. - Validate persisted goal startup commands with protocol v2. - Add duration, renewal, ownership, recovery and real-process regression tests. Update runner protocol and recovery docs. - Add no UI components or controls. Renewal requires no model output or user action. ## Verification Current head: `348e369c35c5da8bb8be378f4b35dcf6f40882e7`. [CI run](https://github.com/paperclipai/paperclip/actions/runs/34649767113). - All 32 checks pass on this head. The two Storybook checks are skipped as expected. CI includes full build, typecheck, runner verification, browser suites, server tests and the canary package dry run. - Greptile reports 5/5 on this head. All review threads are resolved, and the security scan passes. - Passed `pnpm -r typecheck` and `pnpm build` locally. - Passed 219 native-runtime and controller tests, including fake-clock tests for three weeks of renewal and 30-day explicit timeouts. Six denial tests confirm that renewal cannot extend expired, revoked or mismatched authority. - Passed 337 executor, cancellation and restart-recovery tests, plus 278 Rust runner-core library tests. - Passed a real runner with a silent fake Codex provider across its original lease expiry. Runner PID, provider PID, thread and active turn stayed unchanged. Warm-attach recovery tests also pass. - Passed all 83 plugin-worker tests and 159 of 161 workspace-runtime tests locally. The two remaining assertions passed with a canonical macOS temporary directory, as did the changed runtime fixture. The full affected server shard passes in CI. - An unchanged GitHub callback-ordering test failed once in CI, passed locally in isolation, and passed its one test-shard retry. The final CI summary is successful. - The full local `pnpm test:run` sweep was interrupted after dependency setup failures and load-related timeouts. Identified failing suites passed in isolated reruns after the dependency repair. The complete test matrix passed remotely in CI. ## Risks - Deploy the controller and runner together to enable renewal. Older peers keep their existing bounded lease behavior. - Unlimited runtime permits long resource use until completion, explicit cancellation, configured timeout or loss of valid authority. - Lease renewal changes authenticated protocol handling. Regression tests cover stale, revoked and mismatched authority, lost replies and warm handoff behavior. - Simulated multi-week tests and a real lease-boundary test do not constitute a weeks-long production soak. ## Model Used OpenAI GPT-6 through Codex, with repository inspection, code execution and TypeScript/Rust test tools. The exact backend revision and context-window size are not exposed in this session. ## 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 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 --------- Co-authored-by: Paperclip <noreply@paperclip.ing>	2026-09-11 17:09:43 -05:00
Dotta	0bdbf61564	feat(runner): add secure remote transport (#12639 ) ## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Paperclip Runner gives native runs a durable and governed execution path. > - The lower stack PR adds authenticated remote execution targets and provider ingress. > - The Rust daemon currently accepts only loopback plaintext WebSocket connections. > - Remote Codex needs authenticated WSS dialing and provider-ingress listener mode. > - This pull request adds the bounded Rust transport contract. > - The benefit is a secure transport layer for the Codex remote vertical slice. ## Linked Issues or Issue Description Refs #12638. Refs #12616. Refs #12352. Subsystem affected Paperclip Runner Rust transport and remote runner networking. Problem or motivation The runner daemon cannot connect to a public control plane with TLS. It also cannot accept a provider preview connection on the run-bound ingress path. Proposed solution Add WSS with native trust roots and an optional private CA bundle. Add a fixed authenticated listener mode for provider ingress. Advertise the exact transport contract through build metadata. Alternatives considered Plaintext public WebSocket connections would weaken the transport boundary. A general listener would expose more network surface than the run-bound provider ingress requires. Roadmap alignment This work supports the Cloud and Sandbox agents milestone. It also supports self-healing native runs. ## Stack - Lower merged PR: #12638. - This PR contains only its 13-file delta against `master`. - Later stack PRs add the task workspace and administrator UI. ## What Changed - Added WSS dialing with rustls and native certificate roots. - Added an optional bounded private CA bundle that augments native roots. - Kept plaintext WebSocket dialing restricted to loopback addresses. - Pinned resolved dial addresses for the process lifetime. - Added a fixed `0.0.0.0:43127` listener with an exact run-bound path. - Rejected listener queries, ambiguous paths, and WebSocket extensions. - Kept frame and message size bounds. - Added bounded reconnect grace and exponential jitter. - Retried bootstrap failures only before authentication proof transmission begins. - Kept post-proof failures fail-closed and bounded the welcome exchange at two seconds. - Added runnerd build metadata for the versioned transport contract. - Updated Rust dependencies and `Cargo.lock` only for TLS and certificate handling. - Did not add provider dispatch, Pi, AWS, `pnpm-lock.yaml`, migrations, or workflows. ## Verification - GitHub Actions will run Cargo formatting, Rust tests, repository tests, typecheck, build, security, and policy gates. - Rust tests cover URL validation, listener path validation, build metadata, durable recovery, and the existing Codex provider path. - Local tests were not run. The requested verification policy uses GitHub Actions for this series. - `git diff --check master...HEAD` passes. - The delta contains 13 files. ## Risks - TLS and listener changes affect the runner trust boundary. - Public plaintext transport remains rejected. - The listener uses one fixed port and one exact run-bound path. - PRP authentication remains required after the WebSocket upgrade. - The optional CA file uses the existing private-file checks and a 4 MiB limit. - This PR does not enable another provider or change direct adapters. > 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 OpenAI Codex with GPT-5.6. The work used high-reasoning agent mode, repository tools, GitHub tools, and parallel code-audit agents. ## 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 or instance-local Paperclip issues or links - [x] My branch name describes the change and contains no internal Paperclip ticket id - [ ] 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 risks above - [ ] All Paperclip CI gates are green - [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge	2026-09-01 02:19:11 -05:00
Dotta	560e7e48b5	feat(runner): add SDK and developer tooling (#12608 ) ## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - The runner package already provides the production protocol and execution spine. > - Contributors still need stable SDK surfaces, deterministic test tools, and local inspection tools. > - Those surfaces share generated contracts and must change as one package boundary. > - This pull request adds the package-local SDK, labs, examples, and drift checks. > - The benefit is a reviewable developer platform that does not change application execution selection. ## Linked Issues or Issue Description Subsystem affected `packages/paperclip-runner` — runner SDK, conformance tools, and developer tooling. Problem or motivation The production runner spine is present, but package consumers cannot build deterministic integrations, inspect sessions, or verify provider-neutral behavior through supported surfaces. Proposed solution Add browser, React, standalone, live-session, scenario, conformance, and evaluation surfaces. Add generated contract inventories and package-local verification scripts. Keep production application routing unchanged. Alternatives considered We considered splitting each generated catalog, SDK surface, and demo into separate pull requests. Those changes share exports, fixtures, and drift gates. Splitting them would create intermediate package states that do not build. Roadmap alignment No overlapping item appears in `ROADMAP.md`. This work extends the runner package that is already on `master`. ## What Changed - Add browser, React, standalone, live-session, and issue-thread SDK surfaces. - Add deterministic mock control-plane, scenario, conformance, replay, and evaluation tools. - Add bounded Codex, OpenCode, and ACPX development transports and fixtures. - Keep deferred managed-provider execution fail-closed. Persisted compatibility data remains readable. - Add generated capability inventories with their source files and drift checks. - Add examples, package documentation, browser checks, and clean-consumer checks. - Preserve the reviewed protocol bounds, replay compatibility aliases, process environment isolation, and semantic redaction limits. - Update the ACPX package patch that the existing workspace patch registry already tracks. - Do not change `pnpm-lock.yaml`, repository workflows, server runtime selection, or the application UI. ## Verification GitHub Actions is the verification authority for this pull request. The repository CI, package TypeScript and Rust checks, package tests, generated-output drift checks, browser checks, security scans, and Greptile review must pass on the exact head. Local test suites were not run because this series uses parallel GitHub Actions for verification. ## Risks This is a large greenfield package change. The main risks are public export drift, generated-output drift, and optional React consumer compatibility. Package boundary checks, clean-consumer checks, and browser tests cover those risks. Production adapter selection and server execution are outside this pull request. ## Stack 1. This PR: runner SDK and developer tooling. 2. [Codex production server integration](https://github.com/paperclipai/paperclip/pull/12616). 3. [Provider-neutral task-thread UI](https://github.com/paperclipai/paperclip/pull/12617). ## Model Used OpenAI Codex, GPT-5, high-reasoning mode, with tool use and code execution. ## 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 described the issue in-PR following the feature request template - [x] I have not referenced internal/instance-local Paperclip issues or links - [x] My branch name describes the change and contains no internal Paperclip ticket id - [ ] 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 risks above - [ ] All Paperclip CI gates are green - [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge	2026-08-31 21:33:11 -05:00

Author

SHA1

Message

Date

DottaandPaperclip

250deab910

fix(runner): keep healthy native sessions alive (#13261 )

## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Native sessions keep a provider process and its work alive across
control-plane operations.
> - A hidden 15-minute turn deadline stopped work even when the agent
timeout was zero.
> - A one-hour runner lifetime and fixed connection lease added two more
limits.
> - Recovery also rejected goal commands because it reconstructed their
startup summary with the wrong protocol version.
> - This pull request removes implicit duration limits and renews
authenticated leases in the harness.
> - Healthy sessions can continue without model action or a user
interface change.

## Linked Issues or Issue Description

Refs #13092 and #12845. Related: #13163 covers sandbox recovery after
app restarts; this change covers session duration and lease renewal.

**What happened?**

A native Codex session stopped after 15 minutes while a tool was still
running. The agent had `timeoutSec: 0`. Recovery then rejected a
`session.goal.get` startup command with `invalid provider startup
ownership fence`.

**Expected behavior**

An unlimited session keeps working while its provider and authenticated
controller remain healthy. Lease maintenance is transparent. Explicit
timeouts, cancellation and revoked authority still take effect.

**Steps to reproduce**

Start a native session with `timeoutSec: 0` and run a tool beyond 15
minutes. Before this fix, the runtime cancels the turn. A recovery
startup that uses a goal command also exposes the protocol-version
mismatch.

## What Changed

- Honor the agent turn timeout. Zero disables the timer. Long explicit
durations use timer chunks to avoid Node timer overflow.
- Default native runner lifetime to unlimited. Keep bounded startup,
reconnect and control-operation deadlines.
- Renew leases over the authenticated connection. Persist renewal before
the reply. Validate identity, epoch and expiry. Handle duplicate
requests and a lost reply on reconnect.
- Freeze renewal during warm ownership transitions and terminal
handling.
- Validate persisted goal startup commands with protocol v2.
- Add duration, renewal, ownership, recovery and real-process regression
tests. Update runner protocol and recovery docs.
- Add no UI components or controls. Renewal requires no model output or
user action.

## Verification

Current head: `348e369c35c5da8bb8be378f4b35dcf6f40882e7`. [CI
run](https://github.com/paperclipai/paperclip/actions/runs/34649767113).

- All 32 checks pass on this head. The two Storybook checks are skipped
as expected. CI includes full build, typecheck, runner verification,
browser suites, server tests and the canary package dry run.
- Greptile reports 5/5 on this head. All review threads are resolved,
and the security scan passes.
- Passed `pnpm -r typecheck` and `pnpm build` locally.
- Passed 219 native-runtime and controller tests, including fake-clock
tests for three weeks of renewal and 30-day explicit timeouts. Six
denial tests confirm that renewal cannot extend expired, revoked or
mismatched authority.
- Passed 337 executor, cancellation and restart-recovery tests, plus 278
Rust runner-core library tests.
- Passed a real runner with a silent fake Codex provider across its
original lease expiry. Runner PID, provider PID, thread and active turn
stayed unchanged. Warm-attach recovery tests also pass.
- Passed all 83 plugin-worker tests and 159 of 161 workspace-runtime
tests locally. The two remaining assertions passed with a canonical
macOS temporary directory, as did the changed runtime fixture. The full
affected server shard passes in CI.
- An unchanged GitHub callback-ordering test failed once in CI, passed
locally in isolation, and passed its one test-shard retry. The final CI
summary is successful.
- The full local `pnpm test:run` sweep was interrupted after dependency
setup failures and load-related timeouts. Identified failing suites
passed in isolated reruns after the dependency repair. The complete test
matrix passed remotely in CI.

## Risks

- Deploy the controller and runner together to enable renewal. Older
peers keep their existing bounded lease behavior.
- Unlimited runtime permits long resource use until completion, explicit
cancellation, configured timeout or loss of valid authority.
- Lease renewal changes authenticated protocol handling. Regression
tests cover stale, revoked and mismatched authority, lost replies and
warm handoff behavior.
- Simulated multi-week tests and a real lease-boundary test do not
constitute a weeks-long production soak.

## Model Used

OpenAI GPT-6 through Codex, with repository inspection, code execution
and TypeScript/Rust test tools. The exact backend revision and
context-window size are not exposed in this session.

## 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 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

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>

2026-09-11 17:09:43 -05:00

Dotta

0bdbf61564

feat(runner): add secure remote transport (#12639 )

## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Paperclip Runner gives native runs a durable and governed execution
path.
> - The lower stack PR adds authenticated remote execution targets and
provider ingress.
> - The Rust daemon currently accepts only loopback plaintext WebSocket
connections.
> - Remote Codex needs authenticated WSS dialing and provider-ingress
listener mode.
> - This pull request adds the bounded Rust transport contract.
> - The benefit is a secure transport layer for the Codex remote
vertical slice.

## Linked Issues or Issue Description

Refs #12638.
Refs #12616.
Refs #12352.

**Subsystem affected**

Paperclip Runner Rust transport and remote runner networking.

**Problem or motivation**

The runner daemon cannot connect to a public control plane with TLS. It
also cannot accept a provider preview connection on the run-bound
ingress path.

**Proposed solution**

Add WSS with native trust roots and an optional private CA bundle. Add a
fixed authenticated listener mode for provider ingress. Advertise the
exact transport contract through build metadata.

**Alternatives considered**

Plaintext public WebSocket connections would weaken the transport
boundary. A general listener would expose more network surface than the
run-bound provider ingress requires.

**Roadmap alignment**

This work supports the Cloud and Sandbox agents milestone. It also
supports self-healing native runs.

## Stack

- Lower merged PR: #12638.
- This PR contains only its 13-file delta against `master`.
- Later stack PRs add the task workspace and administrator UI.

## What Changed

- Added WSS dialing with rustls and native certificate roots.
- Added an optional bounded private CA bundle that augments native
roots.
- Kept plaintext WebSocket dialing restricted to loopback addresses.
- Pinned resolved dial addresses for the process lifetime.
- Added a fixed `0.0.0.0:43127` listener with an exact run-bound path.
- Rejected listener queries, ambiguous paths, and WebSocket extensions.
- Kept frame and message size bounds.
- Added bounded reconnect grace and exponential jitter.
- Retried bootstrap failures only before authentication proof
transmission begins.
- Kept post-proof failures fail-closed and bounded the welcome exchange
at two seconds.
- Added runnerd build metadata for the versioned transport contract.
- Updated Rust dependencies and `Cargo.lock` only for TLS and
certificate handling.
- Did not add provider dispatch, Pi, AWS, `pnpm-lock.yaml`, migrations,
or workflows.

## Verification

- GitHub Actions will run Cargo formatting, Rust tests, repository
tests, typecheck, build, security, and policy gates.
- Rust tests cover URL validation, listener path validation, build
metadata, durable recovery, and the existing Codex provider path.
- Local tests were not run. The requested verification policy uses
GitHub Actions for this series.
- `git diff --check master...HEAD` passes.
- The delta contains 13 files.

## Risks

- TLS and listener changes affect the runner trust boundary.
- Public plaintext transport remains rejected.
- The listener uses one fixed port and one exact run-bound path.
- PRP authentication remains required after the WebSocket upgrade.
- The optional CA file uses the existing private-file checks and a 4 MiB
limit.
- This PR does not enable another provider or change direct adapters.

> 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

OpenAI Codex with GPT-5.6. The work used high-reasoning agent mode,
repository tools, GitHub tools, and parallel code-audit agents.

## 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 or instance-local Paperclip issues
or links
- [x] My branch name describes the change and contains no internal
Paperclip ticket id
- [ ] 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 risks above
- [ ] All Paperclip CI gates are green
- [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

2026-09-01 02:19:11 -05:00

Dotta

560e7e48b5

feat(runner): add SDK and developer tooling (#12608 )

## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - The runner package already provides the production protocol and
execution spine.
> - Contributors still need stable SDK surfaces, deterministic test
tools, and local inspection tools.
> - Those surfaces share generated contracts and must change as one
package boundary.
> - This pull request adds the package-local SDK, labs, examples, and
drift checks.
> - The benefit is a reviewable developer platform that does not change
application execution selection.

## Linked Issues or Issue Description

**Subsystem affected**

`packages/paperclip-runner` — runner SDK, conformance tools, and
developer tooling.

**Problem or motivation**

The production runner spine is present, but package consumers cannot
build deterministic integrations, inspect sessions, or verify
provider-neutral behavior through supported surfaces.

**Proposed solution**

Add browser, React, standalone, live-session, scenario, conformance, and
evaluation surfaces. Add generated contract inventories and
package-local verification scripts. Keep production application routing
unchanged.

**Alternatives considered**

We considered splitting each generated catalog, SDK surface, and demo
into separate pull requests. Those changes share exports, fixtures, and
drift gates. Splitting them would create intermediate package states
that do not build.

**Roadmap alignment**

No overlapping item appears in `ROADMAP.md`. This work extends the
runner package that is already on `master`.

## What Changed

- Add browser, React, standalone, live-session, and issue-thread SDK
surfaces.
- Add deterministic mock control-plane, scenario, conformance, replay,
and evaluation tools.
- Add bounded Codex, OpenCode, and ACPX development transports and
fixtures.
- Keep deferred managed-provider execution fail-closed. Persisted
compatibility data remains readable.
- Add generated capability inventories with their source files and drift
checks.
- Add examples, package documentation, browser checks, and
clean-consumer checks.
- Preserve the reviewed protocol bounds, replay compatibility aliases,
process environment isolation, and semantic redaction limits.
- Update the ACPX package patch that the existing workspace patch
registry already tracks.
- Do not change `pnpm-lock.yaml`, repository workflows, server runtime
selection, or the application UI.

## Verification

GitHub Actions is the verification authority for this pull request. The
repository CI, package TypeScript and Rust checks, package tests,
generated-output drift checks, browser checks, security scans, and
Greptile review must pass on the exact head.

Local test suites were not run because this series uses parallel GitHub
Actions for verification.

## Risks

This is a large greenfield package change. The main risks are public
export drift, generated-output drift, and optional React consumer
compatibility. Package boundary checks, clean-consumer checks, and
browser tests cover those risks. Production adapter selection and server
execution are outside this pull request.

## Stack

1. **This PR:** runner SDK and developer tooling.
2. [Codex production server
integration](https://github.com/paperclipai/paperclip/pull/12616).
3. [Provider-neutral task-thread
UI](https://github.com/paperclipai/paperclip/pull/12617).

## Model Used

OpenAI Codex, GPT-5, high-reasoning mode, with tool use and code
execution.

## 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 described the issue in-PR following the feature request
template
- [x] I have not referenced internal/instance-local Paperclip issues or
links
- [x] My branch name describes the change and contains no internal
Paperclip ticket id
- [ ] 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 risks above
- [ ] All Paperclip CI gates are green
- [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

2026-08-31 21:33:11 -05:00