92 lines
3.7 KiB
Markdown
92 lines
3.7 KiB
Markdown
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---
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model: gpt-6 (exact variant not exposed)
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service: codex
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timestamp: 2026-09-24T18:54:56.893490+00:00
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git_ref: 1da9b760
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scope: code
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substantive: true
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raw_file: 20260924T185456Z_1da9b760_schedule_prompt_io.raw.md
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---
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## Prompt
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The human requested: first freeze a commit-plan for the existing
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close-copy/null-repair changes, then implement ib_async historical
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schedule support with tests, use it for datad.ib history-buffer gap
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spacing, and plan a common on-demand segment interface for CLI and
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chart selection. Avoid reindexing in this first pass and record
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fallback insertion only as a TODO.
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## Response summary
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Implemented historical schedule normalization, bounded startup
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reservations, explicit actor-local synthetic ranges, and two read
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RPC functions. Added deterministic adapter tests and real SHM/parquet
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startup coverage. Wrote the segment-backfill interface plan.
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This entry covers the new schedule work only. The earlier frozen
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null-repair plan has its own provenance. The shared _history.py file
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contains changes from both scopes until the earlier commit is made.
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## Human edits
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The human identified cancellation during backfill as the reproducible
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trigger, explained the packed-index insertion tradeoff, requested
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reuse of venue closure knowledge, and chose placeholders to avoid
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expensive rewrites. They required explicit placeholder annotation,
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proposed later graphics compression, and asked to defer insertion
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fallbacks. They also requested the existing null-repair commit plan
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before the new schedule work. These are human-directed architecture
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and scope choices; no acceptance or task completion state is inferred.
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## Validation and limits
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55 targeted tests passed; Ruff and diff checks passed. No live IB
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qualification was performed. Reservations are synthetic, not recovered
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observations. Repair execution, persistence of unfinished requests,
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chart compression, FSP handling, export filtering, and request-level
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IB cancellation remain follow-up work documented in the plan.
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## Files changed
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- `piker/brokers/ib/venues.py`
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- `piker/brokers/ib/api.py`
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- `piker/brokers/ib/feed.py`
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- `piker/tsp/_reserve.py`
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- `piker/tsp/_history.py`
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- `tests/providers/test_ib_schedule.py`
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- `tests/providers/test_history_reservations.py`
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- `docs/history_segment_backfill.rst`
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## Pre-commit module review
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The human requested placing historical schedule normalization in the
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existing venues.py module, naming the allocation module _reserve.py,
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and adding the missing project license headers. Applied those moves,
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updated imports and test patch targets, and added the standard AGPL
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headers to the new allocation module and both new test modules.
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## Local tuicr review follow-up
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The human supplied eleven comments requesting a configurable newest
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gap count, caller and metadata references, explanations of guards
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and provider-specific limits, multiline boolean style, capacity
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fallback rationale, an explanation of numpy split boundaries, and
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clearer test cases, fixture types, and module docstrings.
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Added newest_gaps=32, with zero disabling queries and negative values
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rejected. Documented tsdb_backfill ownership and the local/RPC range
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accessors. Explained recoverable overflow and half-open synthetic
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range grouping. Typed tmp_path as pathlib.Path and monkeypatch as
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pytest.MonkeyPatch. Added four request-budget cases.
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Verification: reservation tests 11 passed; schedule tests 7 passed;
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Ruff and git diff --check passed. Changes remain unstaged for review.
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No forge review or CI state was queried; this was local feedback.
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## Provider-test layout review
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The human requested grouping both new history/schedule test modules
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under tests/providers. Moved both files without changing test logic;
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they retain the shared tests/conftest.py fixtures.
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