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Remove backend chunk planning

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rishikanthc
2026-05-05 20:57:54 -07:00
parent 41732d1eed
commit 3932edb262
6 changed files with 153 additions and 695 deletions
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21
devnotes/v2.0.0/sprint-trackers/backend-engine-provider-convergence-sprint-tracker.md
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## BE-ENG-PROVIDER-Sprint 3: Delete Backend Chunking And Batching Planner
Status: planned
Status: complete
Planned tasks:
- [ ] Remove local execution chunk/batch planning from orchestrator.
- [ ] Keep pipeline sequencing only.
- [ ] Persist provider/engine plan summary.
- [ ] Remove duplicated boundary progress events.
- [x] Remove local execution chunk/batch planning from orchestrator.
- [x] Keep pipeline sequencing only.
- [x] Persist provider/engine plan summary.
- [x] Remove duplicated boundary progress events.
Acceptance checks:
- [ ] Backend does not compute local chunk count.
- [ ] Backend does not choose fixed vs VAD for local engine execution.
- [ ] Engine progress drives transcription progress.
- [x] Backend does not compute local chunk count.
- [x] Backend does not choose fixed vs VAD for local engine execution.
- [x] Engine progress drives transcription progress.
Verification:
- [ ] Not started.
- [x] `GOCACHE=/tmp/scriberr-go-cache go test ./internal/transcription/orchestrator`
- [x] `GOCACHE=/tmp/scriberr-go-cache go test ./internal/transcription/...`
- [x] `GOCACHE=/tmp/scriberr-go-cache go test ./internal/profile ./internal/api`
- [x] `GOCACHE=/tmp/scriberr-engine-go-cache go test ./...` in `references/engine`
Commit:

37
devnotes/v2.0.0/status-updates/be-eng-provider-sprint-03-delete-backend-planner.md Normal file
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# BE-ENG-PROVIDER Sprint 3: Delete Backend Chunking And Batching Planner
Date: 2026-05-05
Status: complete.
## Scope
This sprint removes backend-owned local chunking, VAD, runtime, and batching planning from the transcription orchestrator.
## Changes
- Deleted the orchestrator execution planner and its tests.
- Removed backend plan boundary progress events.
- Kept orchestrator responsibility to pipeline sequencing, provider selection, preprocessing, transcript merging, and persistence.
- Provider pipeline step options are passed through unchanged; providers own validation and execution planning.
- Execution config now records pipeline steps and sanitized provider metadata after transcription succeeds.
- Engine/local provider metadata can persist its own plan summary under `provider_metadata`.
## Cleanup Decisions
- The backend no longer rejects chunking/batching combinations before provider execution.
- Backend progress no longer invents `transcribing`, `diarizing`, or `identifying_speakers` boundary stages. Those stages must come from provider progress events.
- Existing execution config still records provider/model pipeline ordering without source audio paths.
## Validation
```sh
GOCACHE=/tmp/scriberr-go-cache go test ./internal/transcription/orchestrator
GOCACHE=/tmp/scriberr-go-cache go test ./internal/transcription/...
GOCACHE=/tmp/scriberr-go-cache go test ./internal/profile ./internal/api
GOCACHE=/tmp/scriberr-engine-go-cache go test ./...
```
Notes:
- The transcription and API package runs need local `httptest` listeners, so they were run with test execution allowed outside the sandbox.