Initial import with GitLab CI/CD and registry deploy flow

migrations/sql/0013_asterisk_bridge_idempotency_sqlite.sql

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+ALTER TABLE voice_events ADD COLUMN source_event_id TEXT;
+
+CREATE UNIQUE INDEX IF NOT EXISTS ix_voice_events_source_event_id ON voice_events(source_event_id);
+
+DROP INDEX IF EXISTS ix_call_recordings_source_event_id;
+CREATE UNIQUE INDEX IF NOT EXISTS ix_call_recordings_source_event_id ON call_recordings(source_event_id);