Carlos Florêncio
54 lines
2.6 KiB
Markdown
54 lines
2.6 KiB
Markdown
---
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id: "01-backend-normalization"
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title: "Backend shell output normalization"
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status: done
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wave: 1
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depends_on: []
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plan: "plan.md"
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spec: "../../specs/ui/acp-shell-command-output.md"
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---
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# Task 01: Backend Shell Output Normalization
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## Acceptance
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- The normalized shell contract distinguishes explicit exit `0`, nonzero exit, and unknown exit, and bounds each output field to 256 KiB with valid UTF-8 tail retention.
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- Table-driven tests cover final Codex, Claude, OpenCode, and Auggie shapes, including precedence and malformed/absent exits.
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- Append, cumulative replace, final replace, final-without-output, and truncation behavior cannot duplicate or silently discard retained output.
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## Verification
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```bash
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make -C apps/backend fmt
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(cd apps/backend && go test ./internal/agentctl/server/adapter/transport/acp -run 'Test.*Shell|TestNormalizerResult')
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```
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## Files likely touched
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- `apps/backend/internal/agentctl/types/streams/tool_payload.go`
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- `apps/backend/internal/agentctl/server/adapter/transport/acp/normalize.go`
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- `apps/backend/internal/agentctl/server/adapter/transport/acp/normalize_test.go`
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- `apps/backend/internal/agentctl/server/adapter/transport/acp/shell_output.go` (new, if needed)
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- `apps/backend/internal/agentctl/server/adapter/transport/acp/shell_output_test.go` (new, if needed)
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## Dependencies
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None.
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## Inputs
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- Spec sections `What`, `Data model`, and `Failure modes`.
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- Existing `NormalizeToolResult` and `extractRawOutput` patterns in `normalize.go`, plus the checked-in provider cases in `shell_output_test.go`.
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- Provider mappings and captured-shape summaries pinned in the feature spec; raw ACP captures were investigation artifacts, not repository fixtures.
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## Output contract
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Report the normalization API chosen, provider precedence, truncation behavior, tests run, files changed, blockers, and follow-up risks. Set this task to `done` and update `plan.md` only after targeted tests pass.
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## Completion Report
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- Added `NormalizeShellToolUpdate` and final-result normalization with independent stdout/stderr presence and truncation state, explicit-field precedence, optional exit codes, and 256 KiB UTF-8 tail retention.
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- Covered Codex, Claude, OpenCode, and Auggie final shapes, malformed/absent exits, precedence, live append/replace behavior, partial stream merges, and truncation.
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- Changed `shell_output.go`, `shell_output_test.go`, `normalize.go`, `normalize_test.go`, and the normalized stream payload type.
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- Targeted ACP adapter tests, full backend tests, formatting, and backend lint passed. No blockers remain; new provider-specific shapes require new fixtures.
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