Order `SM_COLORS` keys most-specific-first (clarify Q6)

[mogul]

Restored from slopsmith/slopsmith-plugin-sectionmap#4 — original issue, opened by @byrongamatos on 2026-05-09.
[restored-from: slopsmith/slopsmith-plugin-sectionmap#4]

From specs/001-section-map/tasks.md — generated retrospectively by spec-kit.

Order SM_COLORS keys most-specific-first (clarify Q6).

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See specs/001-section-map/spec.md and specs/001-section-map/analyze.md for context.
This issue was filed in bulk; close as wontfix if no longer relevant.

[carochacs]

Fixed in get-flashbacks#3: reordered SM_COLORS so 'pre' is checked before 'chorus'/'verse' (pre-chorus/pre-verse sections were matching the base section's color, since 'chorus' is a substring of 'prechorus'). PR: get-flashbacks#3