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trail-boss/notes/tb-3iu.md
jedarden f1220b06fd notes(tb-3iu): verify Open question 1 already resolved by tb-25t 
Document that Open question 1 was already marked as RESOLVED (2026-07-02)
by bead tb-25t. All acceptance criteria are met:
- Question marked as RESOLVED with verdict
- Summary links to docs/notes/decisions.md
- Reflects actual test results from previous beads

The tmux detector is confirmed viable as a harness-agnostic fallback.

Co-Authored-By: Claude <noreply@anthropic.com>
2026-07-02 19:33:33 -04:00

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Bead tb-3iu: Resolution of Open Question 1

Status: VERIFIED COMPLETE

Open question 1 in docs/plan/plan.md was already marked as RESOLVED by bead tb-25t (commit 1888875 on 2026-07-02).

Resolution Summary

Question: Can we build a purely tmux-level detector (no hooks) as a universal fallback for harnesses without hooks?

Verdict: VIABLE — Works as designed

Resolution Date: 2026-07-02

Implementation:

  • Location: daemon/tmux-detector.ts
  • Opt-in mechanism: @tb- pane title prefix
  • Quiet threshold: 30 seconds
  • Poll interval: 2 seconds
  • Detection: Prompt pattern matching + hash-based output comparison

Characteristics:

  • Low false positive rate (prompt patterns + timeout)
  • Minimal performance impact (2s poll interval)
  • Harness-agnostic
  • Emits normalized events to daemon's /event/normalized endpoint

Link to Full Details: docs/notes/decisions.md under "Tmux Detector Viability"

Acceptance Criteria Verification

✓ Open question 1 in docs/plan/plan.md is marked as RESOLVED (2026-07-02) ✓ Resolution summary includes the verdict (VIABLE — Works as designed) ✓ Summary links to docs/notes/decisions.md for full details ✓ Reflects actual test results from beads tb-2ir (viability verdict) and tb-1me (acceptance tests)

Related Work

This resolution built on extensive testing and analysis across multiple beads:

  • tb-lg44, tb-15rh, tb-43u1: Test automation setup
  • tb-1p2a, tb-4kfc, tb-1v8t, tb-1844, tb-5k9: Test execution and analysis
  • tb-1me: Comprehensive acceptance testing (5-iteration execution)
  • tb-2ir: Final viability verdict and documentation
  • tb-25t: Marked question as RESOLVED in plan.md

Current State

The "Open" section in docs/plan/plan.md now contains only one remaining question:

  • Auto-advance residual (unrelated to tmux detector)

All tmux detector work is complete and documented.