refactor(structure): group platform, infra, and shared packages

Move process wiring, technical adapters, and cross-cutting contracts out of flat internal/ packages so new code has a clear home without changing business layout.

internal/model/auth_source.go

@@ -10,7 +10,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/Rain-kl/Wavelet/internal/db"
+	"github.com/Rain-kl/Wavelet/internal/infra/persistence"
 	"gorm.io/gorm"
 )
 

internal/model/schedule.go

@@ -7,7 +7,7 @@ import (
 	"context"
 	"time"
 
-	"github.com/Rain-kl/Wavelet/internal/db"
+	"github.com/Rain-kl/Wavelet/internal/infra/persistence"
 )
 
 // Schedule 定时任务配置表

internal/model/task_execution.go

@@ -11,8 +11,8 @@ import (
 	"strings"
 	"time"
 
-	"github.com/Rain-kl/Wavelet/internal/db"
-	"github.com/Rain-kl/Wavelet/internal/db/idgen"
+	"github.com/Rain-kl/Wavelet/internal/infra/persistence"
+	"github.com/Rain-kl/Wavelet/internal/infra/persistence/idgen"
 	"github.com/redis/go-redis/v9"
 )
 

internal/model/task_execution_test.go

@@ -10,7 +10,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/Rain-kl/Wavelet/internal/db"
+	"github.com/Rain-kl/Wavelet/internal/infra/persistence"
 	"github.com/alicebob/miniredis/v2"
 	"github.com/glebarez/sqlite"
 	"github.com/redis/go-redis/v9"

internal/model/users.go

@@ -11,8 +11,8 @@ import (
 	"strings"
 	"time"
 
-	"github.com/Rain-kl/Wavelet/internal/common"
-	"github.com/Rain-kl/Wavelet/internal/db/idgen"
+	"github.com/Rain-kl/Wavelet/internal/infra/persistence/idgen"
+	"github.com/Rain-kl/Wavelet/internal/shared"
 	"github.com/Rain-kl/Wavelet/pkg/util"
 	"gorm.io/gorm"
 )
@@ -125,7 +125,7 @@ func (u *User) UpdateFromOAuthInfo(oauthInfo *OAuthUserInfo) {
 // CheckActive 检查用户账户是否激活,未激活则返回错误
 func (u *User) CheckActive() error {
 	if !u.IsActive {
-		return errors.New(common.BannedAccount)
+		return errors.New(shared.BannedAccount)
 	}
 	return nil
 }