feat(skills): complete WorkspaceSkillAutoMatch runtime packaging (PF-213)

Ship workspace-skill-auto-match module, skill match CLI, validation node, and tests so lifecycle Stop force wiring is not a false green on clean checkout. Clear match state each UserPromptSubmit reset.

Author: rockyshi1993

hooks/_runtime/lifecycle-bootstrap-state.cjs

@@ -559,6 +559,8 @@ function buildLifecycleBootstrapStateUtils(ctx) {
     state.governanceIntake = normalizeGovernanceIntakeState(previousState?.governanceIntake)
     state.turnLiveness = normalizeTurnLivenessState(previousState?.turnLiveness)
     state.dangerousApprovals = { ...(previousState?.dangerousApprovals || {}) }
+    // Per-turn only: set after reset on UserPromptSubmit; never inherit prior match/enforceCount
+    state.workspaceSkillAutoMatch = null
     const previousAcquisition = previousState ? normalizeContextAcquisition(previousState) : null
     if (previousAcquisition?.contextEpoch) {
       state.contextAcquisition.handoff = {