v0.9.0 — InsurTech vertical, AI Claims Decision Card

What's new

4 new MCP tools for the AI Claims Decision Card spec (InsurTech vertical):

• claims_card_validate — validate a Claims Decision Card v0.1 document
• claims_card_inspect — structured summary: outcome, coverage, evidence count, chain position
• claims_card_sign — compute canonical SHA-256 card_hash for ed25519 signing
• claims_card_chain — link a new card to its predecessor (sets chain_index + prev_card_hash)

Detection key: claims_card_version: "0.1"
Tool count: 71 → 75
Specs implemented: 11 → 12 (cli.ts SPECS)
Tests: 168 passing (0 failing)
Spec repo: https://github.com/mizcausevic-dev/ai-claims-decision-card-spec

Breaking changes

None. Existing 71 tools unchanged.