Model routing, PostCompact hook, parallel spawning, error recovery

Model tier assignment:
- model: haiku → help, sprint-status, story-readiness, scope-check,
  project-stage-detect, changelog, patch-notes, onboard (read-only/format)
- model: opus → review-all-gdds, architecture-review, gate-check
  (multi-doc synthesis, high-stakes verdicts)

PostCompact hook:
- New .claude/hooks/post-compact.sh — fires after compaction, reminds
  Claude to re-read production/session-state/active.md to restore context
- Registered in settings.json between PreCompact and Stop

Parallel Task spawning:
- review-all-gdds: Phase 2 (consistency) and Phase 3 (design theory) now
  explicitly instructed to spawn as parallel Task agents simultaneously

Error Recovery Protocol:
- Standard BLOCKED-handling section added to: review-all-gdds,
  architecture-review, dev-story, team-combat, team-qa, team-narrative,
  team-level, team-ui, team-audio, team-release, team-polish
- Pattern: surface blocker → assess dependencies → offer 3 options via
  AskUserQuestion → always produce partial report

Coordination rules:
- Added Model Tier Assignment table with routing rationale
- Added Subagents vs Agent Teams section (experimental agent teams docs)
- Added Parallel Task Protocol (when/how to spawn parallel agents)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.claude/skills/sprint-status/SKILL.md

@@ -5,6 +5,7 @@ argument-hint: "[sprint-number or blank for current]"
 user-invocable: true
 allowed-tools: Read, Glob, Grep
 context: fork
+model: haiku
 ---
 
 # Sprint Status