feat(server): cmd/migrate up 接入 codes 库自建迁移(ApplyCodesLibMigrations)(#codes-lib)

顺带修 000020 sqlite 索引名冲突:ALTER TABLE RENAME 不会带着重命名索引,
legacy_codes 上遗留的 idx_codes_status 与 codes 库自己迁移里同名索引撞名,
一并改成 idx_legacy_codes_status(up/down 对称)。

server/internal/store/migrate.go

@@ -1,6 +1,7 @@
 package store
 
 import (
+	"context"
 	"database/sql"
 	"errors"
 	"fmt"
@@ -11,6 +12,7 @@ import (
 	migratemysql "github.com/golang-migrate/migrate/v4/database/mysql"
 	migratesqlite "github.com/golang-migrate/migrate/v4/database/sqlite"
 	"github.com/golang-migrate/migrate/v4/source/iofs"
+	libcodes "github.com/wangjia/codes"
 
 	"github.com/wangjia/pangolin/server/internal/db"
 	"github.com/wangjia/pangolin/server/migrations"
@@ -24,6 +26,18 @@ func MigrateUp(database *sql.DB, driver string) error {
 	})
 }
 
+// ApplyCodesLibMigrations creates/updates the shared codes library's own
+// tables (codes / codes_batches / codes_audit_log, tracked by the lib's
+// codes_schema_migrations). Runs AFTER pangolin's golang-migrate set — 000020
+// must have renamed the legacy `codes` table away first. Idempotent.
+func ApplyCodesLibMigrations(ctx context.Context, database *sql.DB, driver string) error {
+	d := libcodes.DialectMySQL
+	if db.Normalize(driver) == "sqlite" {
+		d = libcodes.DialectSQLite
+	}
+	return libcodes.ApplyMigrations(ctx, database, d)
+}
+
 // MigrateDown rolls back all applied migrations. ErrNoChange = success.
 func MigrateDown(database *sql.DB, driver string) error {
 	return runMigration(database, driver, func(m *migrate.Migrate) error {