In: snapshot, promote, average argv, pass UI.
Out: XY UI.
Implementation notes
After chartread exit 0: copy {basename}.ti3 → {basename}_passN.ti3 (1-based) and DELETE canonical.
Process id for average: average_{output} e.g. average_job.ti3.
Finish: 1 pass → promoteTi3; ≥2 → average -v {inputs…} {basename}.ti3 relative names, cwd = project dir.
On average failure, fallback promote pass 1.
chartread inoutfile remains the chart basename (do not point chartread at pass files).
Rewrite invariants
#109 never average the same file. #110 Stage 4 locked until Finish.
Dependencies
Blocks-on: 2, 4, 19.
Unblocks: 23 (via gating).
Test
CI/mock: snapshot/promote round-trip; average argv unique files; gating locked between passes.
Hardware: N/A.
Acceptance criteria
After pass 1, Stage 4 is locked and {basename}.ti3 is absent.
## Summary
Snapshot deletes canonical `.ti3`. Stage 4 stays locked until Finish.
## Spec refs
docs/15-stage3-chartread.md, 04-argyll-binaries.md §5/§14. #109 #110.
## Scope
In: snapshot, promote, average argv, pass UI.
Out: XY UI.
## Implementation notes
After chartread exit 0: copy `{basename}.ti3` → `{basename}_passN.ti3` (1-based) and DELETE canonical.
Process id for average: `average_{output}` e.g. `average_job.ti3`.
Finish: 1 pass → `promoteTi3`; ≥2 → `average -v {inputs…} {basename}.ti3` relative names, cwd = project dir.
On average failure, fallback promote pass 1.
chartread inoutfile remains the chart basename (do not point chartread at pass files).
## Rewrite invariants
#109 never average the same file. #110 Stage 4 locked until Finish.
## Dependencies
Blocks-on: 2, 4, 19.
Unblocks: 23 (via gating).
## Test
- CI/mock: snapshot/promote round-trip; average argv unique files; gating locked between passes.
- Hardware: N/A.
## Acceptance criteria
- [ ] After pass 1, Stage 4 is locked and `{basename}.ti3` is absent.
gronod
added this to the M4 — Measurement milestone 2026-09-08 17:42:40 +01:00
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Summary
Snapshot deletes canonical
.ti3. Stage 4 stays locked until Finish.Spec refs
docs/15-stage3-chartread.md, 04-argyll-binaries.md §5/§14. #109 #110.
Scope
In: snapshot, promote, average argv, pass UI.
Out: XY UI.
Implementation notes
After chartread exit 0: copy
{basename}.ti3→{basename}_passN.ti3(1-based) and DELETE canonical.Process id for average:
average_{output}e.g.average_job.ti3.Finish: 1 pass →
promoteTi3; ≥2 →average -v {inputs…} {basename}.ti3relative names, cwd = project dir.On average failure, fallback promote pass 1.
chartread inoutfile remains the chart basename (do not point chartread at pass files).
Rewrite invariants
#109 never average the same file. #110 Stage 4 locked until Finish.
Dependencies
Blocks-on: 2, 4, 19.
Unblocks: 23 (via gating).
Test
Acceptance criteria
{basename}.ti3is absent.