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skills/skills/debug/references/find-polluter.sh
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mathias 08c935ba8a
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chore(debug): fold in two techniques, delete systematic-debugging
superpowers-systematic-debugging restated debug's core (hypothesis before fix)
across 296 lines, with a fix-implementation phase that belongs to tdd and a
rationalization table that mostly repeats debug's own Anti-Patterns. Two things
in it were not restatement, and both are now in debug: instrument every
component boundary before hypothesising when a bug spans components, and treat
three failed fixes as evidence the mechanism was never identified rather than
as a reason to try a fourth.

Not deleted with it, contrary to the issue: find-polluter.sh and the three
technique files (root-cause-tracing, defense-in-depth, condition-based-waiting)
are real assets, one of them an actual tool. They move to debug/references/ with
a stated load trigger each, because a reference nobody knows when to open is
dead weight. The pressure-test transcripts and CREATION-LOG from the upstream
fork go; they document obra's process, not ours.

Pressure-tested per #19, and the RED phase refuted the issue's premise. Two
subagents without the skill got the multi-component scenario and the four-failed-
fixes scenario; both already instrumented boundaries unprompted, and the second
refused to write a fifth fix on its own initiative. So these sections are not
correcting a demonstrated gap in this model — they are insurance for weaker
models and for prompts less well-posed than a test scenario. Recorded as such
rather than claimed as a fix.

The GREEN run applied both sections correctly and then found four defects in
them, all fixed here: the boundary rule read as suspending Iron Law 2's 3-5
hypotheses; the trigger said "reduced" when fixes that change nothing are the
stronger signal; "stop proposing a fourth" read as licence to return no
hypotheses at all; and the references had no load triggers. Its remaining
findings are pre-existing and filed as #36.

41 skills. debug 146 -> 188 lines.

Closes #14
Bump-Type: minor
2026-08-29 11:33:36 +02:00

64 lines
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#!/usr/bin/env bash
# Bisection script to find which test creates unwanted files/state
# Usage: ./find-polluter.sh <file_or_dir_to_check> <test_pattern>
# Example: ./find-polluter.sh '.git' 'src/**/*.test.ts'
set -e
if [ $# -ne 2 ]; then
echo "Usage: $0 <file_to_check> <test_pattern>"
echo "Example: $0 '.git' 'src/**/*.test.ts'"
exit 1
fi
POLLUTION_CHECK="$1"
TEST_PATTERN="$2"
echo "🔍 Searching for test that creates: $POLLUTION_CHECK"
echo "Test pattern: $TEST_PATTERN"
echo ""
# Get list of test files
TEST_FILES=$(find . -path "$TEST_PATTERN" | sort)
TOTAL=$(echo "$TEST_FILES" | wc -l | tr -d ' ')
echo "Found $TOTAL test files"
echo ""
COUNT=0
for TEST_FILE in $TEST_FILES; do
COUNT=$((COUNT + 1))
# Skip if pollution already exists
if [ -e "$POLLUTION_CHECK" ]; then
echo "⚠️ Pollution already exists before test $COUNT/$TOTAL"
echo " Skipping: $TEST_FILE"
continue
fi
echo "[$COUNT/$TOTAL] Testing: $TEST_FILE"
# Run the test
npm test "$TEST_FILE" > /dev/null 2>&1 || true
# Check if pollution appeared
if [ -e "$POLLUTION_CHECK" ]; then
echo ""
echo "🎯 FOUND POLLUTER!"
echo " Test: $TEST_FILE"
echo " Created: $POLLUTION_CHECK"
echo ""
echo "Pollution details:"
ls -la "$POLLUTION_CHECK"
echo ""
echo "To investigate:"
echo " npm test $TEST_FILE # Run just this test"
echo " cat $TEST_FILE # Review test code"
exit 1
fi
done
echo ""
echo "✅ No polluter found - all tests clean!"
exit 0