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Nicky LeachandPaperclip
27be859044
## Thinking Path > - Paperclip manages agents and tasks. > - Runner owns each authenticated run and its provider process. > - Runtime clients need to report successful activity in that run. > - A retained process can outlive a run, so an operation needs current authority. > - This PR captures that authority before the operation and records activity afterward. > - Core can consume the event through the existing run stream. ## Linked Issues or Issue Description Builds on merged #18129 and targets master. The dependent consumer is #18131. Test stability fixes were separated into merged #18128. Earlier combined-head verification remains in [the archive](https://github.com/paperclipai/paperclip/pull/18050#issuecomment-6489369676). **Subsystem affected** Runner activity recording and provider command environments. **Problem or motivation** A retained provider process can complete an operation after its original run ends. Runtime clients need a host-attributed event and a helper that works inside the provider sandbox. **Proposed solution** Capture opaque Runner context before use. Publish a structured notification after success. Runner checks current authority and records `runtime.activity.recorded`. ## What Changed - Add `notification-context` and `record-activity CONTEXT NAMESPACE ACTIVITY_KEY`. Rotate context on warm attachment and process recovery. Accept no caller run ID. - Use one private named pipe. Reuse Runner's bounded JSON-line reader. Serialize concurrent publishers with a read-only lock. A blocking reader queues at most 128 records; the existing control loop handles at most 16 per pass. - Grant Codex access to the exact helper, descriptor, lock and pipe. Preserve other filesystem and network limits. Preserve host discovery values through provider launch boundaries and reject configured-environment overrides. - Update source identities to Pi 34, Copilot 81 and Grok 12. Keep historical identity fixtures and recovery behavior. ## Verification - Targeted release notification and sandbox-policy tests: seven passed. They cover run rotation, recovery, Unicode limits, concurrent writers, malformed and partial records, bounded queues, failed persistence and fixed-path cleanup. - Real CLI integration and pinned Codex 0.160.0 sandbox checks: passed. The sandbox check uses no model, credential or network call. It verifies activity recording while unrelated state reads and parent-directory writes remain denied. - ACPX profile generator check, formatting and diff checks: passed. - Rebased onto master `31b927e30` at head `64d0248a8`. Master used the same profile versions, so the resolution preserves its Pi 33, Copilot 79 and Grok 11 fixtures byte-for-byte and creates new identities. All identity checks pass. Five targeted provider/environment/recovery files pass 168 tests with one existing skip; the Rust Pi admission regression passes. The notification module and Codex sandbox implementation are byte-identical to the tested pipe head `671373fe0`. - Removed the mailbox traversal reported by security review. Its regression replaces the pipe path with a 100-level tree and an unreadable leaf. Shutdown preserves the leaf, performs no traversal and completes promptly, including with a partial record. - An initial targeted test failed because its run-rotation fixture updated config without updating durable state. The corrected fixture passes. Runner also rejects inconsistent run bindings. - Previous head `26abbf62b` passed Runner, build and browser CI. Server shard 11/12 failed in unchanged `attention-service.test.ts`: cleanup/test timeouts were followed by a duplicate `ATQ` fixture key. The final head needs fresh CI and review. - CI on `64d0248a8` completed with 52 successful checks and four intentional skips. Runner Vitest shard 1/2 failed when retained-state copies encountered the live FIFO; the aggregate also failed. Standard review scored 4/5 and found relative pipe paths plus late context publication. Follow-up `5c3f14d32` places IPC in a private canonical temporary directory and publishes context before welcome commands. Its relative-state CLI test, two authenticated reconnect cases, seven notification/policy cases and real Codex sandbox pass. One affected retained-settlement case passes with the matching release binary; the other 18 cases remain for CI. The sandbox denies sibling-directory and lock writes. All build, test and security checks pass on `5c3f14d32`; standard review is 5/5 with no unresolved threads. The requested Apex review is 5/5 on this exact head, with no findings or unresolved threads. - Earlier broad test results in the archive apply to their recorded source revisions. Per the requested workflow, final local checks stay targeted; GitHub CI supplies broad coverage. - After Apex completed, master advanced again and conflicted on Copilot identity. Head `e94a9359d` is rebased on master `8ac5a128e`; it preserves the published Copilot 80 fixture and uses Copilot 81. The notification module, Codex sandbox and durable control-loop code are byte-identical to Apex-reviewed `5c3f14d32`. All 131 targeted installation/compatibility/recovery cases and identity generator checks pass. All 55 checks pass with four intentional skips on the rebased head. Standard review is 5/5 with no unresolved threads. Apex is 5/5 on `e94a9359d`, with zero findings and no unresolved threads. GitHub confirms this head is conflict-free and ready for review. ## Risks Activity remains an optional hint and grants no access. A successful helper exit means publication to the pipe; Runner persists accepted events through its existing durable outbox. Full queues, unavailable helpers or failed writes can drop a hint without failing the operation. Context reads are local and do not wait for the control loop. Publishers have a 500 ms lock deadline and a 2 KiB record limit. IPC lives outside durable state. Idle transport blocks; cleanup removes its fixed files and empty private directory. The host must provide `/usr/bin/mkfifo`. Rebuild matching Runner/provider artifacts for the updated source identities. No dependency, migration, live provider call or deployment is included. ## Model Used OpenAI Codex, based on GPT-6, with reasoning, repository tools and code execution. The exact serving snapshot is not exposed. ## 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>