## What changed
Track Guardian compaction and review turn execution within each tool's auto-review interval, and expose `critical_path_auto_review_overhead_ms` in turn analytics. This measures the portion of `auto_review_ms` outside observed Guardian turn execution; it is a subset, not an additional duration.
Freeze review observations when the review or tool invocation ends. Report unknown overhead as `null`, including when denial reconsideration runs an unobserved follow-up turn.
## Testing
Add coverage for shared compaction and review observations, cached reviews, unfinished reviews, reused tool call IDs, and execution timing with child critical-path capture enabled or disabled. Extend analytics and app-server tests to check the new field.
GitOrigin-RevId: a63dec2a75571a3167c8c3f0c1d21e11e4a8d050
## What changed
- Report sampling and compaction separately as `critical_path_sampling_ms` and `critical_path_compaction_ms`, retaining `critical_path_inference_ms` as their combined compatibility total.
- Enable critical path capture for subagent and Guardian turns when `CriticalPathTiming` is enabled, while continuing to exclude memory consolidation sessions.
- Preserve capture across incoming agent messages and support direct `spawn_agent` and `wait_agent` calls. Attribute these calls to the parent's tool time and keep child work on the child's own turn.
## Testing
Add runtime coverage for independent parent/child timing, incoming agent messages, Guardian turns, feature gating, and memory consolidation exclusion. Update phase accounting and analytics tests to cover the new fields and millisecond truncation.
GitOrigin-RevId: 09d4c0b853e817216bed173e4404d0d782de97ec
## What changed
- Add critical path capture status and duration fields to `codex.turn_profile` traces.
- Emit capture counts for complete and incomplete profiles, and total and component duration histograms for complete profiles, tagged by product SKU and reasoning effort. Record metrics once per turn timing state and skip disabled captures.
- Extend critical path histogram boundaries up to two hours to cover long turns.
## Testing
Add coverage for duplicate reporting, disabled and incomplete captures, product SKU normalization, trace fields, component durations, and extended histogram boundaries.
GitOrigin-RevId: 5b1af9255f1c4a376b61c81eb68c7a74b01ae9ae
## What changed
Include critical-path capture status and duration totals in `codex_turn_event`, with categories for inference, auto review, user wait, tools, overhead, and unknown time. Count sampling and compaction as inference.
Distinguish `disabled`, `incomplete`, and `complete` capture. Emit null durations for disabled or incomplete capture so missing measurements are not reported as zero. Freeze the completion timestamp so repeated terminal notifications preserve the original measurement window.
## Testing
Add core and analytics tests for capture status, duration reporting, rounding, and repeated completion. Add app-server integration coverage for completed and interrupted turns with default, enabled, and disabled capture.
GitOrigin-RevId: c6c867120ee563ac48584c2f4b12df23acbabe06
taohong-oai