Index: src/services/ActivityPubService.js
===================================================================
--- src/services/ActivityPubService.js	(revision 4c70ecbe5990b354c76af6b01ef4b3d7e937a63a)
+++ src/services/ActivityPubService.js	(revision 8b07c12ebf1ce49b35e4b1ca78fddc8702616a5b)
@@ -167,4 +167,8 @@
     following: `${id}/following`,
     featured: `${id}/featured`,
+    // AP §5.6: the private blocked collection (owner-only GET). The server
+    // list is the source of truth for Shaer's "in Orbit"; clients keep no
+    // separate state.
+    blocked: `${id}/blocked`,
     // C2S clients (Shaer apps) discover auth + upload here — no hardcoded paths.
     // All four are ActivityPub-spec `endpoints` terms. Dynamic client registration