47 lines
1.6 KiB
Markdown
47 lines
1.6 KiB
Markdown
---
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model: gpt-5.6-sol
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provider: openai
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service: opencode
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session: ses_0799212ebffe42arY96czXn89F
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timestamp: 2026-07-22T00:13:57Z
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git_ref: 16f3cd6f
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scope: code
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substantive: true
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raw_file: 20260722T001357Z_16f3cd6f_prompt_io.raw.md
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---
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## Prompt
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Continue the gap-checker and history-backfiller repair plan. Start
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with deterministic analysis characterization, then fix canonical
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sorting, dedupe-derived columns, positive gap detection, and null
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grouping.
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During review, the user challenged the replacement null-grouping
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algorithm because its initial tests did not assert exact endpoints.
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The user explicitly required retaining detailed, human-oriented
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algorithm documentation such as the existing ASCII segment map.
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## Response summary
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Added deterministic analysis regressions and corrected normalization
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so sorting and duplicate resolution precede derived-column
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calculation. Unified null grouping for NumPy and Polars inputs,
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documented its exact inclusive-boundary contract with an adapted
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visual map, and verified all small null layouts against an independent
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state-machine oracle. Retained sorted smart-dedupe output.
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## Files changed
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- `piker/tsp/_anal.py` - canonical gap and documented null grouping
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- `piker/tsp/_dedupe_smart.py` - sorted duplicate resolution
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- `tests/test_tsp_analysis.py` - exact and exhaustive regressions
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- `ai/prompt-io/opencode/20260722T001357Z_16f3cd6f_prompt_io.raw.md`
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- unedited response record
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- `ai/prompt-io/opencode/20260722T001357Z_16f3cd6f_prompt_io.md`
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- provenance metadata and response summary
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## Human edits
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None - generated changes have not yet been edited by the human.
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