* test(#3577): pin table-declared phase resolution across all four surfaces
Failing-first regression for #3577: a GFM table phase listing (Phase header,
id in the first data cell) declared real phases that roadmap.analyze,
roadmap.get-phase, init.phase-op, and the milestone filter all reported as
absent (phase_count: 0 / found: false). Rows pin the lookup, the scope
probe, the analyzer, schema discrimination against the canonical
RoadmapProgress table, fenced-example exclusion, heading+table union
without double-count, decimal ids, and the 999 icebox exclusion.
* fix(#3577): recognize markdown-table phase rows across the enumeration family
A GFM table whose header leads with Phase and whose data rows carry the id
in the first cell is a phase listing — the #2199 bullet blind spot's table
sibling. collectTablePhaseRows (schema-discriminated against the canonical
RoadmapProgress table via matchTableSchema, fence-aware via stripFencedCode,
digit-bearing id shape, 999 icebox excluded) now feeds: the milestone
filter's sole owner scanMilestonePhaseIds, window classification
hasPhaseEntries, both roadmap lookup chains (getRoadmapPhaseInternal +
cmdRoadmapGetPhase, as last-resort tiers after heading and bullet), and
roadmap analyze's enumerator (with the same disk enrichment contract as
headings and a zero-pad-tolerant duplicate guard). init.phase-op resolves
through its existing getRoadmapPhaseInternal fallback.
* fix(#3577): GFM table termination + icebox word boundary in the table scan
Review findings: the row harvest broke only on blank lines, so prose after
a table (a bare date line) could be harvested as a phase id — rows now stop
at the first non-row line per GFM semantics; the 999 icebox exclusion gains
the heading scan's word boundary so 9991 is kept.
* fix(#3577): sanction collectTablePhaseRows in the enumeration drift scanner
The scan's local 999-only exclusion mirrors its parent owner
scanMilestonePhaseIds' deliberate NOT-isSentinelPhaseId choice (a leading 0
is a real decimal phase, #2554), so it cannot route through the sentinel
owner — function-scoped exemption with the documented reason, same entry
shape as the #3262 owner's.
* chore(#3577): add changeset fragment
* chore(#3577): backfill changeset pr number
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Co-authored-by: sim <sim@local>