* fix(#1445,#1446): exclude 999.x backlog phases from milestone totals; allow total_phases downward correction
#1445: deriveProgressFromRoadmap (phase-lifecycle.cts), the roadmapPhaseCount
loop (state.cts), and getMilestonePhaseFilter (roadmap-parser.cts) all now
skip phase tokens matching /^999\b/ — consistent with the existing init.cts
filter. 999.x backlog dirs are consequently excluded from phaseDirs too.
#1446: shouldPreserveExistingProgress (state-document.cts) no longer includes
total_phases in its ratchet check. total_phases always takes the freshly
derived value; only completed_phases, total_plans, and completed_plans retain
ratchet behaviour.
Regression tests added for both bugs.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
* chore: add changeset for #1445/#1446 progress-backlog-exclusion-and-ratchet
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
* fix(#1445,#1446): rename test files to fix-NNN convention; fix changeset pr: null
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
