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

db/migrations/001_invoice_guard.sql

@@ -1,37 +1,3 @@
-CREATE TABLE IF NOT EXISTS invoice_cases (
-    id BIGSERIAL PRIMARY KEY,
-    tenant_key TEXT NOT NULL,
-    case_id TEXT NOT NULL,
-    invoice_count INTEGER NOT NULL DEFAULT 0,
-    duplicate_count INTEGER NOT NULL DEFAULT 0,
-    total_mismatch_count INTEGER NOT NULL DEFAULT 0,
-    invoices JSONB NOT NULL DEFAULT '[]'::jsonb,
-    duplicates JSONB NOT NULL DEFAULT '[]'::jsonb,
-    total_mismatches JSONB NOT NULL DEFAULT '[]'::jsonb,
-    decisions JSONB NOT NULL DEFAULT '[]'::jsonb,
-    receipt JSONB NOT NULL DEFAULT '{}'::jsonb,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    UNIQUE (tenant_key, case_id)
-);
-
-CREATE INDEX IF NOT EXISTS invoice_cases_tenant_updated_idx
-    ON invoice_cases (tenant_key, updated_at DESC);
-
-CREATE INDEX IF NOT EXISTS invoice_cases_tenant_counts_idx
-    ON invoice_cases (tenant_key, duplicate_count, total_mismatch_count);
-
-CREATE TABLE IF NOT EXISTS invoice_execution_receipts (
-    id BIGSERIAL PRIMARY KEY,
-    tenant_key TEXT NOT NULL,
-    receipt_id TEXT NOT NULL,
-    case_id TEXT NOT NULL,
-    skill TEXT NOT NULL,
-    input_hash TEXT NOT NULL,
-    receipt JSONB NOT NULL,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    UNIQUE (tenant_key, receipt_id)
-);
-
-CREATE INDEX IF NOT EXISTS invoice_receipts_case_idx
-    ON invoice_execution_receipts (tenant_key, case_id, created_at DESC);
+-- InvoiceGuard schema lives in 001_app_records.sql. This no-op file is kept
+-- only because the scaffolded workspace may already include it during builder
+-- retries; migrations are idempotent and safe for fresh installs.