Files
beads/cmd/bd/testdata/dep_tree.txt
Steve Yegge b4cb636d92 Switch from hex to Base36 encoding for issue IDs (GH #213)
This change improves information density by using Base36 (0-9, a-z) instead
of hex (0-9, a-f) for hash-based issue IDs. Key benefits:

- Shorter IDs: Can now use 3-char IDs (was 4-char minimum)
- Better scaling: 3 chars good for ~160 issues, 4 chars for ~980 issues
- Case-insensitive: Maintains excellent CLI usability
- Backward compatible: Old hex IDs continue to work

Changes:
- Implemented Base36 encoding with proper truncation (keep LSB)
- Updated adaptive length thresholds (3-8 chars instead of 4-8)
- Fixed collision probability math to match encoding (was calculating
  for base36 but encoding in hex - now both use base36)
- Fixed ID parser bug (use prefixWithHyphen for substring matching)
- Updated all tests and test data patterns

Fixes #213

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-03 12:02:15 -08:00

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# Test bd dep tree command
bd init --prefix test
# Create issues and capture their hash IDs
bd create 'Root issue'
cp stdout root.txt
exec sh -c 'grep -oE "test-[a-z0-9]+" root.txt > root_id.txt'
bd create 'Child issue'
cp stdout child.txt
exec sh -c 'grep -oE "test-[a-z0-9]+" child.txt > child_id.txt'
# Add dependency: child depends on root
exec sh -c 'bd dep add $(cat child_id.txt) $(cat root_id.txt)'
# Show dependency tree for root
exec sh -c 'bd dep tree $(cat root_id.txt)'
stdout 'test-'