Add profile-aware scaffold system so SF does not lay down irrelevant
templates in infra/ops/docs repos.
## What ships
Phase 1 — data model
- scaffold-versioning.js: add 'disabled' to VALID_STATES; readScaffoldManifest
returns profile field; recordScaffoldApply preserves manifest.profile (fixes
roundtrip bug where profile was stripped on every write).
- scaffold-constants.js: PROFILES (app/library/infra/docs/minimal as Set<string>)
and PROFILE_NAMES exports.
Phase 2 — profile-aware drift detection
- scaffold-drift.js: disabled bucket in emptyCounts, resolveActiveProfileSet
integration, profile param on detectScaffoldDrift/migrateLegacyScaffold.
- doc-checker.js: filter to active profile, skip disabled-state files.
Phase 3 — auto-detection on first run
- scaffold-profiles.js: detectRepoProfile() heuristics (nix→infra,
terraform→infra, react→app, node-no-ui→library, docs-only→docs, else→app).
- agentic-docs-scaffold.js: reads profile from manifest, auto-detects on first
run, persists to manifest, filters SCAFFOLD_FILES to active profile.
Phase 4 — migrate command
- commands-scaffold-migrate.js: sf scaffold migrate --profile <name>
Re-enables pending files entering the new profile; stamps state=disabled
(or prunes with --prune) files leaving it; warns on editing/completed files.
- commands/handlers/ops.js, commands/catalog.js: registered and tab-completed.
Phase 5 — custom profiles + PREFERENCES.md frontmatter
- scaffold-profiles.js: readPreferencesProfile(), loadCustomProfileSet()
(~/.sf/profiles/<name>.yaml with extends/add/remove), resolveActiveProfileSet()
implementing full ADR-022 §6 precedence.
- All callers updated to use resolveActiveProfileSet as the single source of truth.
Tests: 28 new tests in adr-022-scaffold-profiles.test.mjs — all passing.
Pre-existing node:test stubs (3 files) unaffected.
ADR: docs/dev/ADR-022-scaffold-profiles.md
Misc: triage TODO.md dump into BACKLOG.md (phases-helpers export error T1,
/todo triage typed-handler gap T1, structured triage tiers T2, sha-track
markdown files T2, cross-repo triage T3). Reset TODO.md to empty template.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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