a2a-source-edit: write db/migrations/001_app_records.sql

db/migrations/001_app_records.sql

@@ -0,0 +1,11 @@
+CREATE TABLE IF NOT EXISTS app_records (
+    id BIGSERIAL PRIMARY KEY,
+    tenant_key TEXT NOT NULL,
+    record_kind TEXT NOT NULL,
+    payload JSONB NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS app_records_tenant_kind_idx
+    ON app_records (tenant_key, record_kind, created_at DESC);