初始提交：OCI 面板后端（含 GenAI 网关一期）

internal/database/database.go

@@ -0,0 +1,32 @@
+package database
+
+import (
+	"fmt"
+
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+
+	"oci-portal/internal/model"
+)
+
+// Open 打开 SQLite 数据库并自动迁移全部模型。
+func Open(path string) (*gorm.DB, error) {
+	db, err := gorm.Open(sqlite.Open(path), &gorm.Config{
+		Logger: logger.Default.LogMode(logger.Warn),
+	})
+	if err != nil {
+		return nil, fmt.Errorf("open sqlite %s: %w", path, err)
+	}
+	if err := db.AutoMigrate(
+		&model.User{}, &model.UserIdentity{}, &model.OciConfig{}, &model.Task{}, &model.TaskLog{},
+		&model.CheckSnapshot{}, &model.CostSnapshot{},
+		&model.RegionCache{}, &model.CompartmentCache{}, &model.Setting{},
+		&model.SystemLog{}, &model.LogEvent{}, &model.Proxy{},
+		&model.AiKey{}, &model.AiChannel{}, &model.AiModelCache{}, &model.AiCallLog{},
+		&model.AiContentLog{},
+	); err != nil {
+		return nil, fmt.Errorf("auto migrate: %w", err)
+	}
+	return db, nil
+}

internal/database/doc.go

@@ -0,0 +1,2 @@
+// Package database 管理 SQLite 连接和 AutoMigrate。
+package database