feat: brady bunch (#816)

* brady bunch PRD/tasks

* clean dead daily.co code

* brady bunch prototype (no-mistakes)

* brady bunch prototype (no-mistakes) review

* self-review

* daily poll time match (no-mistakes)

* daily poll self-review (no-mistakes)

* daily poll self-review (no-mistakes)

* daily co doc

* cleanup

* cleanup

* self-review (no-mistakes)

* self-review (no-mistakes)

* self-review

* self-review

* ui typefix

* dupe calls error handling proper

* daily reflector data model doc

* logging style fix

* migration merge

---------

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

server/reflector/dailyco_api/instance_id.py

@@ -0,0 +1,37 @@
+"""
+Daily.co recording instanceId generation utilities.
+
+Deterministic instance ID generation for cloud and raw-tracks recordings.
+MUST match frontend logic
+"""
+
+from uuid import UUID, uuid5
+
+from reflector.utils.string import NonEmptyString
+
+# Namespace UUID for UUIDv5 generation of raw-tracks instanceIds
+# DO NOT CHANGE: Breaks instanceId determinism across deployments and frontend/backend matching
+RAW_TRACKS_NAMESPACE = UUID("a1b2c3d4-e5f6-7890-abcd-ef1234567890")
+
+
+def generate_cloud_instance_id(meeting_id: NonEmptyString) -> UUID:
+    """
+    Generate instanceId for cloud recording.
+
+    Cloud recordings use meeting ID directly as instanceId.
+    This ensures each meeting has one unique cloud recording.
+    """
+    return UUID(meeting_id)
+
+
+def generate_raw_tracks_instance_id(meeting_id: NonEmptyString) -> UUID:
+    """
+    Generate instanceId for raw-tracks recording.
+
+    Raw-tracks recordings use UUIDv5(meeting_id, namespace) to ensure
+    different instanceId from cloud while remaining deterministic.
+
+    Daily.co requires cloud and raw-tracks to have different instanceIds
+    for concurrent recording.
+    """
+    return uuid5(RAW_TRACKS_NAMESPACE, meeting_id)