chore: remove exp slices package and use stdlib

go.mod

@@ -19,7 +19,6 @@ require (
 	github.com/tinyauthapp/paerser v0.0.0-20260410140347-85c3740d6298
 	github.com/weppos/publicsuffix-go v0.50.3
 	golang.org/x/crypto v0.50.0
-	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546
 	golang.org/x/oauth2 v0.36.0
 	gotest.tools/v3 v3.5.2
 	modernc.org/sqlite v1.49.1
@@ -117,6 +116,7 @@ require (
 	go.opentelemetry.io/otel/sdk/metric v1.43.0 // indirect
 	go.opentelemetry.io/otel/trace v1.43.0 // indirect
 	golang.org/x/arch v0.22.0 // indirect
+	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
 	golang.org/x/net v0.52.0 // indirect
 	golang.org/x/sync v0.20.0 // indirect
 	golang.org/x/sys v0.43.0 // indirect

internal/service/auth_service.go

@@ -15,10 +15,11 @@ import (
 	"github.com/tinyauthapp/tinyauth/internal/utils"
 	"github.com/tinyauthapp/tinyauth/internal/utils/tlog"
 
+	"slices"
+
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 	"golang.org/x/crypto/bcrypt"
-	"golang.org/x/exp/slices"
 	"golang.org/x/oauth2"
 )
 

internal/service/oauth_broker_service.go

@@ -4,7 +4,8 @@ import (
 	"github.com/tinyauthapp/tinyauth/internal/config"
 	"github.com/tinyauthapp/tinyauth/internal/utils/tlog"
 
-	"golang.org/x/exp/slices"
+	"slices"
+
 	"golang.org/x/oauth2"
 )
 

internal/service/oidc_service.go

@@ -18,13 +18,14 @@ import (
 	"strings"
 	"time"
 
+	"slices"
+
 	"github.com/gin-gonic/gin"
 	"github.com/go-jose/go-jose/v4"
 	"github.com/tinyauthapp/tinyauth/internal/config"
 	"github.com/tinyauthapp/tinyauth/internal/repository"
 	"github.com/tinyauthapp/tinyauth/internal/utils"
 	"github.com/tinyauthapp/tinyauth/internal/utils/tlog"
-	"golang.org/x/exp/slices"
 )
 
 var (