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DottaandClaude Opus 5.5
e2d490c61b
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - When someone messages an agent, the reply must start fast. The durable ownership plan (#19831) makes time to first token (TTFT) a hard invariant. > - Phase 0 of that plan records a TTFT baseline per adapter and environment, measured from the moment the message or wake is accepted. > - Today `task.time_to_first_token` starts at the wake comment, the answered question, or the run row's creation. A wake request that was accepted earlier (deferred, coalesced or retried) is not part of the measurement, and the span does not say which start it used. > - This pull request moves the start back to the earliest accepted input and names it on the span. > - The benefit is that the baseline and later budgets measure what the user waits for, with no new work before `turn.start`. ## Linked Issues or Issue Description Refs #19831 **What is the problem?** `task.time_to_first_token` does not include the time between an accepted wake request and the creation of its run row. It also does not record which input it started from. **What is the expected outcome?** The span starts at the earliest accepted input and carries an `anchor` attribute: `comment`, `question_response`, `wake_request` or `run_created`. **Why does it matter?** Phase 0 of the durable ownership plan sets TTFT budgets from this baseline. A start that skips queue time hides the latency that deferred wakes add. ## What Changed - `resolveNativeTimeToFirstTokenStart` (pure) in `native-run-trace.ts` picks the start and the anchor. `anchor` joins the closed span-attribute allowlist. - `readNativeRunWakeRequestedAtMs` reads `agent_wakeup_requests.requested_at` for the run. It never throws. - `native-session-executor.ts` calls it only after the first deliverable text, so it adds no wait before `turn.start`. The span now ends at the text commit time, not after the trace write. - Updated `doc/run-log-events.md` and `doc/observability.md`. ## Verification - `cd server && npx vitest run src/services/native-runtime/native-run-trace.test.ts src/services/native-runtime/native-run-wake-anchor.test.ts` (26 pass). - `cd server && npx vitest run src/services/native-runtime/native-session-executor.test.ts -t first` (41 pass). The existing TTFT test now asserts the anchor for each ingress. ## Risks - Low risk. This changes only the run-log and OTLP span. It is not Telemetry (AGENTS.md §5.7), and it does not change runtime behavior. - One indexed primary-key read per native dispatch, after the first text. A read failure drops the anchor and keeps the old start. - TTFT values can grow for deferred wakes. That is the intended correction. `startOffsetMs` can be negative when the wake request comes before the trace start. ## Model Used - Claude Opus 5.5 (`claude-opus-5-5`), via Claude Code 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 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 - [ ] 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 <[email protected]>