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

db/migrations/001_app_records.sql

@@ -1,11 +1,3 @@
-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);
+-- Replaced by 001_contract_clock.sql. Kept as an intentionally empty, idempotent
+-- migration filename from the scaffold so fresh installs remain harmless.
+SELECT 1;