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tai/research/background-work-limits/python-concurrent-futures-deadlock.md
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retoor af080fe68e Strict goal verification, approval hardening, retrieval eval, work limits, sandbox caps (1.38.0)
- Approval: re-prompt unknown answers (max 3), shell-only affirmative
  guidance recovery; destructive actions stay strict
- GoalVerifier subagent with strict JSON verdicts, bounded follow-up
  rounds, nonzero exit plus open turn on unverified one-shots
- Retrieval eval (Hit@K/MRR/nDCG/Context Precision), FTS cascade with
  title weighting, query/read event logging, --eval-retrieval CLI
- Supervisor caps (8 parallel, 64 records) and scheduler hardening
  (4 fires/tick, per-schedule lease, stated misfire policy)
- Sandbox box resource trio: 2g/2.0/256 at create, best-effort
  update for existing boxes, rm -f recovery pointer
- Research archive: 12 subjects, 667 sources, 27 conclusions;
  suites 979 + 16 green
2026-10-18 12:13:24 +02:00

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980 B
Markdown

# concurrent.futures
## Metadata
| Field | Value |
|---|---|
| Institute | Molodetz Institute — Research & Retrieval Division |
| Subject | background-work-limits |
| Document type | Source Citation Card |
| Tier | 2 |
| Source title | concurrent.futures |
| Source URL | https://docs.python.org/3/library/concurrent.futures.html |
| Source type | vendor docs |
| Date researched | 2026-10-18 |
| Researched by | tai (agent), model: Muse Spark, on behalf of retoor |
| Research method | Search aggregator result listing (not independently opened or quoted) |
| Confidence | Not independently verified |
| Status | Active |
## Why it's here
Surfaced by the supervision gather worker; reported the deadlock warning for tasks waiting on each other's futures. Supports the reject-instead-of-block choice (a blocked spawn could stall a turn holding budget); not opened first-hand.
## Changelog
| Date | Change |
|---|---|
| 2026-10-18 | Logged as consulted-but-not-analyzed. |