ci / vet-and-test (pull_request) Successful in 43s
Why: Dev-level pin consistency (check-pins hard-errors on nested drift); squad main advanced to 819b0c5 (a2a adapter module #47, StepSpec.Brief #46, nested agent-native pin #48). Evidence: full backend suite green against 819b0c5 (SELF); CI authoritative (GATE). Impact: nested deps/agent-squad 633e853 -> 819b0c5; no backend source changes (backend consumes squad via wfcompile/squadadapter surfaces which are unchanged since #99-#102). Refs: Q3 plan WP4/WP6; Dev card .task/feature-agent-stack-q3.md