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Direct-Spend Hardening Journey

This is a concise boundary timeline, not a full historical changelog.

Landed Hardening Outcomes

  • safe/default identity authority moved to commitment-authoritative posture
  • runtime-proof-authoritative tx assembly and carrier checks landed
  • verifier/export boundary tightened against conservation-opening style leakage
  • continuation lifecycle correctness landed for follow-on authority source selection
  • shell economics support path landed with explicit supplemental funding disclosure
  • fixed-depth continuation unlock-shape mismatch was corrected
  • bounded two-input proof alignment reached truthful bounded milestone

Live Validation Outcomes

  • first-hop direct spend succeeds on Chipnet
  • follow-on direct spend succeeds on Chipnet
  • receiver recovery succeeds on validated path
  • wrong-key recovery fails closed

Current Caveats

  • reserve-limited repeated no-top-up continuation
  • no private reserve replenishment path yet on deployed direct spend
  • public observability of graph/shell economics/settlement topology remains

Current Milestone Position

Direct spend is publishable as a bounded protocol-first milestone with explicit public-observable limits and explicit later aggregation role.