feat: acquire-core full legacy C corpus (~2066 files, build-verified) + generator + inventory

db/schema.sql

@@ -0,0 +1,19 @@
+-- schema.sql - acquire-core-full 공통 스키마 루트
+-- 모듈별 원장 테이블은 db/<mod>_*.sql 참조.
+
+CREATE TABLE IF NOT EXISTS merchant (
+    merch_id   VARCHAR(15) NOT NULL,
+    merch_name VARCHAR(60) NOT NULL,
+    biz_no     VARCHAR(12),
+    status     CHAR(1)     NOT NULL DEFAULT 'A',
+    CONSTRAINT pk_merchant PRIMARY KEY (merch_id)
+);
+
+CREATE TABLE IF NOT EXISTS approval (
+    appr_no   VARCHAR(9)  NOT NULL,
+    merch_id  VARCHAR(15) NOT NULL,
+    amount    BIGINT      NOT NULL,
+    appr_date CHAR(8)     NOT NULL,
+    status    CHAR(1)     NOT NULL DEFAULT 'A',
+    CONSTRAINT pk_approval PRIMARY KEY (appr_no)
+);