MemRelay/projects/25464650-ed5d-440e-b362-190f2852d451/T0.4 broker↔app 契约放在 internal-app-port.md

title, type, permalink, stable_id, scope, memory_type, project_id, usage_profile_id, status, revision, request_id, created_at, updated_at, tags

title	type	permalink	stable_id	scope	memory_type	project_id	usage_profile_id	status	revision	request_id	created_at	updated_at	tags
T0.4 broker↔app 契约放在 internal/app/port	decision	main/projects/25464650-ed5d-440e-b362-190f2852d451/t0.4-broker-app-契约放在-internal-app-port	c21e8947-fefb-4701-90a9-e378158f8e8b	project	decision	25464650-ed5d-440e-b362-190f2852d451	0c9feb46-d06e-43cd-9ef0-c5813c84a998	active	1	t04-decision-port-pkg-20260930	2026-09-29T22:36:45.402844+00:00	2026-09-29T22:36:45.402844+00:00	t04 port decision

T0.4 决定：broker 与 app 之间的接口放在 internal/app/port（UplinkHandler、Downlink、ConnControl），不放 internal/broker/port，也不依赖 mochi。原因见 docs/DEVIATIONS.md 总控 L T0.4。