v0.1.0

First release: case format cics-crucible/1 (SPEC.md), schema + validator + GnuCOBOL syntax CI, 10 original cases / 37 scenarios over 5 traps (condition handling, hex attributes, COMMAREA mismatch, ghost tasks, pseudo-conversational). Expected logs hand-written from IBM CICS documentation and independently reviewed (0 wrong-oracle findings; see PR #1). Pinned by gitgalaxy (squid-protocol/gitgalaxy#3989).