Initial open source release

sqlc.yaml

@@ -0,0 +1,13 @@
+version: "2"
+sql:
+  - engine: "postgresql"
+    # schema 只取 *.up.sql，避免 golang-migrate 的 down 脚本（DROP）被 sqlc 当成 schema 的一部分。
+    # 与 golang-migrate 共用同一份迁移文件，单一事实源。
+    schema: "deploy/migrations/*.up.sql"
+    queries: "internal/store/postgres/queries"
+    gen:
+      go:
+        package: "sqlcgen"
+        out: "internal/store/postgres/sqlcgen"
+        sql_package: "pgx/v5"
+        emit_pointers_for_null_types: true