1 files changed, 33 insertions, 0 deletions
diff --git a/packages/meshbay-node/src/meshbay_node/roster.py b/packages/meshbay-node/src/meshbay_node/roster.py
index b4efb7c..24424ab 100644
--- a/packages/meshbay-node/src/meshbay_node/roster.py
+++ b/packages/meshbay-node/src/meshbay_node/roster.py
@@ -665,6 +665,39 @@ class Roster:
         await self.set_setting(group_id, self.SETTING_TMDB_ENABLED,
                                "1" if enabled else "0", set_by)
 
+    # The Music app's MusicBrainz contact string (docs/musicbay.md §3.2) —
+    # node-wide, under the same group_id="" sentinel as the TMDB token/
+    # language above, for the identical reason: one operator's User-Agent
+    # identity, not a per-group concern. Unlike TMDB there is no secret to
+    # store — this is the contact MusicBrainz's usage policy asks a client
+    # to identify itself with, not a credential. Unset means "no contact
+    # configured", which musicbrainz.py treats as "make no calls at all"
+    # (docs/musicbay.md §3.1) rather than sending an unidentified client.
+    SETTING_MUSICBRAINZ_CONTACT = "musicbrainz_contact"
+
+    async def musicbrainz_contact(self) -> str | None:
+        return await self.get_setting(
+            self.NODE_WIDE_GROUP_ID, self.SETTING_MUSICBRAINZ_CONTACT) or None
+
+    async def set_musicbrainz_contact(self, contact: str | None = None, set_by: str = "") -> None:
+        """`contact=""` clears it; `contact=None` leaves it unchanged (tmdb_config's shape)."""
+        if contact is not None:
+            await self.set_setting(self.NODE_WIDE_GROUP_ID, self.SETTING_MUSICBRAINZ_CONTACT,
+                                   contact, set_by)
+
+    # Whether MusicBrainz lookups run for this group at all — per-group from
+    # the start (unlike tmdb_enabled, which started node-wide and moved
+    # per-group later once the lesson was already learned). Unset means on,
+    # same "absent means the old behaviour" discipline as everything else.
+    SETTING_MUSICBRAINZ_ENABLED = "musicbrainz_enabled"
+
+    async def musicbrainz_enabled(self, group_id: str) -> bool:
+        return (await self.get_setting(group_id, self.SETTING_MUSICBRAINZ_ENABLED, "1")) != "0"
+
+    async def set_musicbrainz_enabled(self, group_id: str, enabled: bool, set_by: str = "") -> None:
+        await self.set_setting(group_id, self.SETTING_MUSICBRAINZ_ENABLED,
+                               "1" if enabled else "0", set_by)
+
     # How often the indexer's reconciliation backstop runs, and how long it
     # waits after the last change on a file before hashing it. Unset means
     # the indexer's own defaults — an existing group's behaviour must not