04 · Logbook
Sheet 04 · Logbook

Logbook

What one job learns, the next starts with.

  • RuleEvery card carries its evidence and where it came from.
  • RuleA card never overrides RULES.md.
  • RuleA card becomes a firm rule only with your word.
The cards · insight1 / 5
I

INSIGHT card

foreman/logbook/entries/insights/

A lesson or a trap: why something happens.

INSIGHTINSIGHT_20260220_REAIMED_PROBE_HIDES_GAP
cluster: testingimpact: HIGHconfidence: 85an example card
  1. OverviewA mutation probe that stays GREEN means no test covers that guard. Re-aiming the probe until it bites hides the gap instead of closing it.
  2. ImpactA guard ships with no test behind it, while the report says every probe bites.
  3. Pattern StructureSignal: a probe stays GREEN. Cause: the builder moves the probe somewhere a test does catch. Result: the probe bites and the missing test stays missing.
  4. Anti-PatternTreating GREEN as a broken probe and fixing the probe. In one job, a well-shaped forged value was refused only by the guard, and no test covered it.
  5. EvidenceTwo builders, in two jobs, re-aimed a GREEN probe; both times it hid a missing test (METHOD.md section 7).
  6. ApplicationsOn GREEN the builder reports and stops (work order rule 7). Before sending a work order, the foreman checks every probe anchor still matches once.
How sure
Confidence comes from the evidence: 75 for one instance, 85 for two or more, 95 when it was measured.
On every card
cluster: the area of your product. tags: 3 to 6 keywords. impact: CRITICAL, HIGH, MEDIUM or LOW.
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