fix(collector): heal Polymarket recovered market context

[proerror77]

Change

Recovered markets with a missing or invalid end time now enter the bounded authoritative market-detail queue. Their health remains fail-closed through invalid_end_time_markets, but the collector stays alive so the rotating queue can heal the backlog instead of restarting before it advances.

Issue relationship

None

Validation

• cargo test -p hft-collector --locked polymarket_raw (92 passed, 2 ignored)
• cargo test -p hft-collector --locked missing_end_time_recovery_is_bounded_and_rotates_backlog
• cargo clippy -p hft-collector --locked --all-targets -- -D warnings
• git diff --check
• cargo fmt -p hft-collector -- --check remains unavailable because the current pinned formatter reports unrelated existing diffs across the crate; the changed hunk is not reformatted broadly.

Runtime impact and rollback

Production is currently contained with the Polymarket reference collector stopped after its 6-hour restart exposed this recovery crash loop. The release candidate will first be exercised against a CoW copy of the frozen production tape and state. Rollback is the prior immutable binary and untouched production spool; no tape is deleted or rewritten by this PR.

Summary by CodeRabbit

• Bug Fixes
  • Improved market-detail recovery for markets without an end time.
  • Collection now continues when recovered markets have missing or invalid end times.
  • Added health tracking while recovery proceeds within configured limits.
  • Deferred markets are now revisited reliably during recovery.

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: d960715b-508c-46ee-87c3-9c4cf35cf8bb

📥 Commits

Reviewing files that changed from the base of the PR and between acc8629 and 8dd6719.

📒 Files selected for processing (1)

• rust_hft/tools/collector/src/polymarket_raw.rs

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 348fcc2b-a29a-4f3c-98d6-f8467449b0c9

📥 Commits

Reviewing files that changed from the base of the PR and between 454f54d and acc8629.

📒 Files selected for processing (1)

• rust_hft/tools/collector/src/polymarket_raw.rs

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📝 Walkthrough

Walkthrough

Market-detail recovery now includes markets without end times, prioritizes them, and continues bounded processing without an invalid-end-time completeness failure. A regression test verifies deferred-market rotation across planning passes.

Changes

Polymarket recovery

Layer / File(s)	Summary
Include missing-end-time markets rust_hft/tools/collector/src/polymarket_raw.rs	Recovery candidates now include markets without end times. Collection schedules detail recovery for these markets and prioritizes them.
Continue bounded recovery and validate rotation rust_hft/tools/collector/src/polymarket_raw.rs	Collection retains fail-closed health handling while bounded recovery continues. A regression test verifies deferred-market selection on the next planning pass.

Estimated code review effort: 3 (Moderate) | ~15–30 minutes

Merge Risk: ⚪ Minimal · up to acc86

This localized recovery change keeps invalid recovered markets eligible for bounded healing while preserving fail-closed health behavior; no actionable merge-blocking risk remains after normal checks and review.

Possibly related PRs

• proerror77/monday#80: Introduces the retained market-detail recovery logic extended by this change.
• proerror77/monday#415: Also changes polymarket_raw.rs health and failure handling for incomplete market data.
• proerror77/monday#680: Also changes recovery and rotation behavior in polymarket_raw.rs.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the Polymarket collector recovery fix, which is the main change in the pull request.
Description check	✅ Passed	The description includes all required sections with specific change, issue, validation, runtime impact, and rollback details.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/polymarket-v2-recovery

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