3 commits

Author	SHA1	Message	Date
root	254018d132	test(c4): complete contract and consumable coverage	2026-08-24 18:17:27 +00:00
root	1fe9e91354	perf(c4): batch contract usage and detail loading	2026-08-24 16:18:16 +00:00
root	a2374d8157	feat(c4): add copier contracts and shared consumable stock	2026-08-24 15:56:13 +00:00