feat: social graph features

migrations/0021_add_user_devotional_fields.up.sql

@@ -0,0 +1,24 @@
+-- Devotional profile details, plus two system-managed fields reserved for
+-- the (not-yet-built) automated-notification scheduler.
+--
+-- gender / initiated / initiated_at / daily_chanting_rounds are
+-- user-editable from the profile form. preferred_chanting_time and
+-- peak_active_time are written silently by the backend later (no UI yet) —
+-- both store a local clock time as "HH:MM" text so the scheduler can pick
+-- a send window without timezone math at write time.
+ALTER TABLE users
+    ADD COLUMN IF NOT EXISTS gender                  VARCHAR(16),
+    ADD COLUMN IF NOT EXISTS initiated               BOOLEAN NOT NULL DEFAULT FALSE,
+    ADD COLUMN IF NOT EXISTS initiated_at            DATE,
+    ADD COLUMN IF NOT EXISTS daily_chanting_rounds   INTEGER,
+    ADD COLUMN IF NOT EXISTS preferred_chanting_time VARCHAR(5),
+    ADD COLUMN IF NOT EXISTS peak_active_time        VARCHAR(5);
+
+-- Guard the chanting-round count to the meaningful range (1 round up to a
+-- full lakh of names = 1008). NULL stays allowed (not specified).
+ALTER TABLE users
+    DROP CONSTRAINT IF EXISTS users_daily_chanting_rounds_range;
+ALTER TABLE users
+    ADD CONSTRAINT users_daily_chanting_rounds_range
+        CHECK (daily_chanting_rounds IS NULL
+               OR (daily_chanting_rounds BETWEEN 1 AND 1008));