Changeset 0.20.0 (#85)

server/database/migrations/007_v0200_notifications.sql

@@ -0,0 +1,17 @@
+-- 007_v0200_notifications.sql
+-- Notification infrastructure (v0.20.0 Phase 1)
+
+CREATE TABLE IF NOT EXISTS notifications (
+    id              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id         UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    type            VARCHAR(50) NOT NULL,
+    title           VARCHAR(255) NOT NULL,
+    body            TEXT DEFAULT '',
+    resource_type   VARCHAR(50),
+    resource_id     UUID,
+    is_read         BOOLEAN DEFAULT false,
+    created_at      TIMESTAMPTZ DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_notifications_user_unread ON notifications(user_id, is_read, created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_notifications_user_created ON notifications(user_id, created_at DESC);