2bcc55f9399090e877fc948fa4f94246c16aa914
Flip stale Phase-1 checkboxes whose capability is clearly delivered: M1/M2/M3 (modes), Q1/Q2 (SQL subset — shipped via the unified walker, not sqlparser-rs), TT1/TT2/TT3 (test tiers 1–3) → [x]; TT4 (PTY e2e, critical flows only) → [~]. Fix stale CLAUDE.md claims: the stack no longer uses chumsky (DSL) or a reserved sqlparser-rs (SQL) — both retired (ADR-0024 §migration Phase F); the DSL and advanced-mode SQL are both parsed by the unified grammar walker (ADRs 0024 / 0030–0036). Corrects the stack note, drops the now-done "SQL handling in advanced mode" deferred bullet, and updates the parser.rs layout comment. Lower-confidence items (C1 rename, A1, I1a, I3, I4, T3, V2, export/import, resume) left for a dedicated per-item reconciliation pass (handoff-45 §5).
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