feat(P03): Storage substrate — Stash, Vault, Root-Pool types
---ci---
project: oy
phase: 3
milestone: v0.1
status: execute
---/ci---
Phase 3 (Component 5: Storage Substrate) skeleton:
- x/stash: per-Holder sovereign storage (§5), Still flag (§10), maturity tracking (§9.1)
- x/vault: per-Stand governed storage (§5), sub-Vault allocations
- x/rootpool: mesh treasury (§5), attested by Watchers, visible to all Holders
- 4 unit tests passing (Freeholder maturity thresholds verified: 90d, 30d max gap)
- Lexicon compliant
CIAgent
edea9422ac