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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - The hidden native coordinator already computes a run-scoped semantic tool projection. > - The durable Codex backend now accepts and enforces that projection. > - The server did not include the projection in its `run.prepare` command. > - Codex therefore received no production semantic tools even when the server authorized them. > - This pull request adds the deterministic wire projection and sends it to runnerd. > - The benefit is one fail-closed authorization catalog from the server through Codex. ## Linked Issues or Issue Description Refs #12384 **What existing behavior does this improve?** This improves the existing flagged Paperclip Runner Codex path. **Current behavior** The server creates a run-scoped list of authorized read tools. It does not pass that list to runnerd, so the production Codex session starts with no tools. **Proposed behavior** The server maps the authorized definitions to the versioned runner contract. It computes a cross-language catalog digest. It includes that immutable contract in `run.prepare`. **Reason and benefit** Runnerd and the server now enforce the same catalog identity. Unknown, duplicate, changed, or malformed tool contracts fail before Codex can use them. **Breaking changes** None. Direct adapters are unchanged. A native run with an empty server projection still starts with no dynamic tools. ## What Changed - Add a deterministic semantic-definition to runner-authorization projection. - Match the Rust canonical digest with a shared test vector. - Include the server coordinator projection in the native Codex `run.prepare` command. - Extend the native Codex vertical slice to require and execute a semantic tool. - Verify the production prepare payload in a host-independent server test. ## Verification - `pnpm --filter @paperclipai/paperclip-runner test:typescript` (354 tests pass) - `pnpm --filter @paperclipai/server exec vitest run src/services/native-runtime/native-codex-runner.test.ts` - `pnpm --filter @paperclipai/server typecheck` - `pnpm -r typecheck` - `pnpm build` - The embedded-Postgres vertical slice is present for CI. This local host reports that embedded Postgres is unavailable, so Vitest skips that host-dependent test locally. - Confirmed that the PR changes 7 files against `runner-codex-durable-tools`. - Confirmed that `pnpm-lock.yaml` is unchanged. ## Risks The main risk is a catalog digest mismatch between TypeScript and Rust. Both implementations use canonical JSON. They share the same fixed digest vector. Runnerd also recomputes the digest and rejects a mismatch. The rollout flag and the existing native runtime selection rules remain unchanged. ## Model Used OpenAI Codex with GPT-5 and repository tool use. ## 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 - [ ] 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