Cronozen Proof updates

Cronozen Proof — Operational Decision Evidence Platform. Record, verify, and export AI-assisted decisions as cryptographically chained Decision Proof Units (DPUs). - proof_record: Create a DPU with SHA-256 hash chain linking - proof_verify: Verify individual proof integrity - proof_chain_v

Updates are company announcements posted by the listing owner and reviewed before publishing. All AiList updates.