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