style: 合入后修 gofmt/govet 与 RegistrationView 类型检查

internal/admin/h03_test.go

@@ -4,6 +4,9 @@ import (
 	"context"
 	"errors"
 	"net/http"
+	"net/http/cookiejar"
+	"net/http/httptest"
+	"path/filepath"
 	"sync"
 	"testing"
 
@@ -11,9 +14,6 @@ import (
 	"git.asio.asia/nixevol/NixMsg/internal/app/identity"
 	"git.asio.asia/nixevol/NixMsg/internal/auth"
 	"git.asio.asia/nixevol/NixMsg/internal/store"
-	"net/http/cookiejar"
-	"net/http/httptest"
-	"path/filepath"
 )
 
 type failDisableIdentity struct {

internal/admin/h06_test.go

@@ -53,11 +53,11 @@ func TestLoginDeletesExpiredAdminSessions(t *testing.T) {
 	})
 	srv := httptest.NewServer(h)
 	t.Cleanup(srv.Close)
-	if err := db.Queue.Do(context.Background(), func(tx *sql.Tx) error {
+	if qerr := db.Queue.Do(context.Background(), func(tx *sql.Tx) error {
 		_, e := tx.Exec(`INSERT INTO admin_sessions(token_hash, created_at, expires_at) VALUES ('expired-hash', 1, 1)`)
 		return e
-	}); err != nil {
-		t.Fatal(err)
+	}); qerr != nil {
+		t.Fatal(qerr)
 	}
 	jar, err := cookiejar.New(nil)
 	if err != nil {

internal/admin/handler.go

@@ -1,7 +1,6 @@
 package admin
 
 import (
-	"errors"
 	"log/slog"
 	"net"
 	"net/http"
@@ -148,9 +147,7 @@ func New(d Deps) *Handler {
 // ServeHTTP 实现 http.Handler。按路由限制请求体大小与读截止时间。
 func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	limit, readFor := requestBodyBudget(r)
-	if err := http.NewResponseController(w).SetReadDeadline(time.Now().Add(readFor)); err != nil && !errors.Is(err, http.ErrNotSupported) {
-		// 测试用 ResponseRecorder 或不支持截止时间的封装：忽略。
-	}
+	_ = http.NewResponseController(w).SetReadDeadline(time.Now().Add(readFor))
 	if r.Body != nil {
 		r.Body = http.MaxBytesReader(w, r.Body, limit)
 	}