One Action, all 5 Kinetic Gain Suite protocols. Auto-routes changed JSON docs via kg-protocol-detect to the right diff (agent-card / mcp-tool-card / prompt-provenance / evidence-bundle / otel-genai), posts one consolidated PR comment.

PR gate for MCP Tool Card breaking changes — diffs HEAD vs base.sha via mcp-tool-card-diff, posts PR comment, fails on breaking. Second in the per-protocol diff Action quintet.

Extended KG Suite conformance runner for PR-gate-time multi-artifact-bundle integrity verification. Three checks: multi-vertical applicability + cross_binding_refs syntactic resolution + provenance-chain (all artifacts reference same root Decision Card URL — fanout = chain broken).

PR gate for A2A AgentCard breaking changes — diffs HEAD vs base.sha via agent-card-diff, posts PR comment, fails on breaking. First in the per-protocol diff Action quintet.

PR gate for prompt-provenance breaking changes — diffs HEAD vs base.sha via prompt-provenance-diff, posts PR comment, fails on hash/approval/lineage regressions. Third in the per-protocol diff Action quintet.

PR gate for evidence-bundle manifest breaking changes — diffs HEAD vs base.sha via evidence-bundle-diff, posts PR comment, fails on item-hash/item-removal/signature changes. Fourth in the per-protocol diff Action quintet.

PR gate for OTel GenAI rollup cost/token jumps — diffs HEAD vs base.sha via otel-genai-diff with configurable threshold, posts PR comment with cost-delta. Fifth and final in the per-protocol diff Action quintet (quintet complete).