Merge Conflicts (#41)

Co-authored-by: Sayan Datta <sayan@Sayans-MacBook-Air.local>
Reviewed-on: #41

backend/oracle/schema_extension_v2.sql

@@ -223,7 +223,7 @@ CREATE TABLE IF NOT EXISTS user_calendar_events (
     end_at              TIMESTAMPTZ NOT NULL,
     all_day             BOOLEAN NOT NULL DEFAULT FALSE,
     status              TEXT NOT NULL DEFAULT 'confirmed'
-                        CHECK (status IN ('tentative','confirmed','cancelled')),
+                        CHECK (status IN ('tentative','confirmed','done','cancelled')),
     reminder_minutes    INTEGER[] NOT NULL DEFAULT '{15}'::INTEGER[],
     created_by          TEXT NOT NULL
                         CHECK (created_by IN ('user','nemoclaw_suggested','operator_import')),