Files
PaperClipAI/packages/paperclip-runner/protocol
DottaandPaperclip d034ba7491 fix(interactions): derive question storage from canonical forms (#14946)
## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Agents request human input through durable issue interactions.
> - A question form has a canonical presentation and a compatibility
storage format.
> - The creation API required agents to write both formats.
> - Tool guidance told agents to split text and choice questions across
those formats.
> - This pull request accepts one complete canonical form and derives
storage fields on the server.
> - The benefit is a complete question card with stable answer and retry
behavior.

## Linked Issues or Issue Description

Related work: Refs #13630 and #14430. PR #13630 addresses the display of
historical partial forms. This change fixes creation and keeps the check
that rejects conflicting new forms.

**What happened?**

A question save supplied three compatibility questions and one canonical
text question. The API correctly rejected the incomplete canonical form.
The Runner's tool description encouraged this split. Sending only a
complete canonical form also failed because the API required
compatibility questions.

**Expected behavior**

An agent sends one complete `payload.questionSet` with every text and
choice question. Paperclip derives `payload.questions` for storage and
answer compatibility. Existing legacy requests remain valid. Explicitly
conflicting dual forms remain invalid.

**Steps to reproduce**

1. Call `paperclip_request_human_input` with `interactionKind:
"questions"`.
2. Send `payload: { version: 1, questionSet: ... }` with a required text
question and a required choice question.
3. The old API rejects the missing compatibility questions. With this
change, it stores both questions and preserves the canonical form.
4. Retry with the same idempotency key. Confirm that only one
interaction exists.
5. Submit both answers. Confirm that the normal resolver and
continuation rules apply.

**Paperclip version or commit**

The branch is based on `cf8ad63c8`. The problem affects the native
Runner and the interaction creation API.

**Deployment mode**

Server deployment with the native Paperclip Runner. Integration tests
use the real interaction service and an embedded test database.

## What Changed

- Add one shared canonical-to-storage projection. Reuse it for native
harness question requests.
- Accept canonical-only question creation at the shared validator and
server boundary.
- Export the input type and update the plugin SDK and its RPC contract.
- Advertise a typed, complete question form in the live and scenario
tool schemas.
- Enforce canonical text and custom-answer constraints before ordinary
or native resolution. Preserve harmless display whitespace.
- Run regex matching in isolated workers with a deadline and resource
limits. Both answer paths await the result before persistence. Saved
native delivery uses the validated answer without taking another worker
slot.
- Update agent guidance and generated Runner contracts.
- Test mixed forms, option-ID collisions, retries, answers, legacy
requests, and conflicting forms.

## Verification

- Interaction service, HTTP route, native bridge, and Runner authority
suites: 221 tests passed after correcting an obsolete tool-description
assertion.
- Shared validator, plugin SDK, CLI, and UI compatibility suites: 67
tests passed.
- Runner core tool-contract suite: 20 tests passed. AJV validates live
and scenario schemas.
- Final review regressions: 172 shared, service, native bridge, and
authority tests passed. These cover text length, pattern, numeric
limits, whitespace, custom option IDs, and historical pending cards.
- Runner session suites: 67 tests passed. Published example tests: 4
tests passed.
- Server typecheck and the shared/server builds passed after the
compatibility fixes.
- Final delivery verification: 35 response-delivery tests passed. The
native delivery regression proves saved answers do not enter pattern
workers; server typecheck and build passed.
- Pattern security and answer-flow verification: 205 tests passed after
repairing the child fixture loader. These cover pathological matching,
event-loop responsiveness, worker concurrency, slot cleanup, HTTP
routes, native delivery, and the full helper in a child process.
- `pnpm -r typecheck` passed on the bounded-worker revision.
- `pnpm build` passed on the bounded-worker revision.
- All 55 GitHub checks passed on `fe457af`; four optional jobs were
skipped. An unchanged Cursor adapter test timed out once in CI, passed
locally, and passed on one failed-job rerun.
- Reviewers can send the canonical-only mixed form above and verify that
the saved interaction contains both canonical and compatibility
questions.

## Risks

- The creation API accepts a new input shape. Stored rows and answer
contracts keep the existing shape.
- The shared projection must preserve synthetic free-text option IDs.
Collision and native round-trip tests cover this behavior.
- Historical partial rows remain readable. New conflicting dual forms,
including written-answer mismatches, remain rejected.
- Existing pending cards retain the written-answer paths offered by
their stored options. Canonical text constraints still apply.
- Ordinary answers now enforce declared canonical constraints before
persistence. Invalid answers leave the card pending.
- Regex validation has a one-second deadline and a four-worker capacity
limit. A complex pattern or capacity error leaves the card pending with
a validation error.
- No database migration or change to company authorization is required.

## Model Used

- OpenAI GPT-6 through Codex. The session exposes the GPT-6 model
family; its exact runtime model identifier and context window size are
not exposed. Used reasoning, 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 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

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>
2026-10-02 14:21:11 -05:00
..

PRP v1/v2 Contract

The JSON Schema files in schemas/ are the language-neutral source of truth for Paperclip Runner Protocol versions 1 and 2. The fixtures in fixtures/ define accepted and rejected compatibility cases.

Compatibility

  • protocolVersion, fixtureVersion, and event.schemaVersion are required.
  • A consumer fails closed when a required version or schema discriminator is not supported.
  • A v1 envelope can contain an unknown optional property when its schema marks that object as extensible.
  • A consumer ignores an unknown optional property until a later contract gives it meaning.
  • A required field, enum value, or typed structured-input field is not optional.
  • Question and answer identifiers are stable across the provider boundary.
  • Peers negotiate the highest mutually supported protocol version. Existing v1 runners remain compatible but cannot receive v2-only session-goal commands.

The unknown-optional-fields.json fixture must be accepted. The unsupported-required-version.json fixture must be rejected.

Session goals (v2)

PRP v2 adds a provider-neutral durable session-goal lifecycle. Every v2 capability snapshot includes sessionGoals, even when its availability is unsupported or policy_disabled. Paperclip sends controls only when the negotiated capability advertises the corresponding action.

Commands:

  • session.goal.get
  • session.goal.set for objective, status, and optional token budget changes
  • session.goal.clear

Events:

  • session.capabilities.updated
  • session.goal.snapshot
  • session.goal.updated
  • session.goal.cleared

Goal state is separate from Paperclip's company/business goal hierarchy. The snapshot distinguishes the durable status from workingNow, because an active goal can be idle between autonomous turns. A runner emits the full capability and authoritative snapshot after every session open or resume. Missing v1 capability is unsupported; clients do not infer support from an adapter name.

Scope

The first provider descriptor and adapter fixture cover Codex only. The schemas for provider-neutral events and semantic receipts do not enable those actions. Discovery and authorization are separate contracts.

The conformance manifest records every source file and its SHA-256 digest. Run pnpm generate:protocol-manifest from this package after a source change. CI runs the same generator with --check to reject drift. This check also compiles the JSON Schemas and validates every replay, question, and cross-language conformance fixture against its declared schema.

The files in fixtures/replay/golden/ are deterministic reducer oracles. Each accepted replay fixture has a complete session snapshot and a compact parity summary. pnpm generate:replay-goldens updates them after an intentional reducer change; package build and CI fail when they drift.

The files in fixtures/local-runner/scripts/ drive the package-local fake harness. They cover successful, failed, interrupted, interactive, duplicate terminal, process-cleanup, and oversized-frame behavior without starting a production adapter.