feat: 品牌重命名 Sub2API -> TianShuAPI (基于官方 v0.1.46)

- 基于官方最新代码 upstream/main (93db889)
- 包含所有官方新功能：运维监控、促销码系统、Linux DO OAuth 等
- 仅修改品牌显示名称，保持所有功能完整
- 修改范围：前后端界面文字、i18n、邮件模板、日志输出

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

backend/cmd/server/main.go

@@ -51,7 +51,7 @@ func main() {
 	flag.Parse()
 
 	if *showVersion {
-		log.Printf("Sub2API %s (commit: %s, built: %s)\n", Version, Commit, Date)
+		log.Printf("TianShuAPI %s (commit: %s, built: %s)\n", Version, Commit, Date)
 		return
 	}
 
@@ -101,7 +101,7 @@ func runSetupServer() {
 	// This allows users to run setup on a different address if needed
 	addr := config.GetServerAddress()
 	log.Printf("Setup wizard available at http://%s", addr)
-	log.Println("Complete the setup wizard to configure Sub2API")
+	log.Println("Complete the setup wizard to configure TianShuAPI")
 
 	if err := r.Run(addr); err != nil {
 		log.Fatalf("Failed to start setup server: %v", err)

backend/internal/repository/github_release_service.go

@@ -52,7 +52,7 @@ func (c *githubReleaseClient) FetchLatestRelease(ctx context.Context, repo strin
 		return nil, err
 	}
 	req.Header.Set("Accept", "application/vnd.github.v3+json")
-	req.Header.Set("User-Agent", "Sub2API-Updater")
+	req.Header.Set("User-Agent", "TianShuAPI-Updater")
 
 	resp, err := c.httpClient.Do(req)
 	if err != nil {

backend/internal/repository/github_release_service_test.go

@@ -223,7 +223,7 @@ func (s *GitHubReleaseServiceSuite) TestFetchLatestRelease_Success() {
 	s.srv = newLocalTestServer(s.T(), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		require.Equal(s.T(), "/repos/test/repo/releases/latest", r.URL.Path)
 		require.Equal(s.T(), "application/vnd.github.v3+json", r.Header.Get("Accept"))
-		require.Equal(s.T(), "Sub2API-Updater", r.Header.Get("User-Agent"))
+		require.Equal(s.T(), "TianShuAPI-Updater", r.Header.Get("User-Agent"))
 		w.Header().Set("Content-Type", "application/json")
 		w.WriteHeader(http.StatusOK)
 		_, _ = w.Write([]byte(releaseJSON))

backend/internal/server/api_contract_test.go

@@ -271,14 +271,14 @@ func TestAPIContracts(t *testing.T) {
 					service.SettingKeySMTPUsername: "user",
 					service.SettingKeySMTPPassword: "secret",
 					service.SettingKeySMTPFrom:     "no-reply@example.com",
-					service.SettingKeySMTPFromName: "Sub2API",
+					service.SettingKeySMTPFromName: "TianShuAPI",
 					service.SettingKeySMTPUseTLS:   "true",
 
 					service.SettingKeyTurnstileEnabled:   "true",
 					service.SettingKeyTurnstileSiteKey:   "site-key",
 					service.SettingKeyTurnstileSecretKey: "secret-key",
 
-					service.SettingKeySiteName:     "Sub2API",
+					service.SettingKeySiteName:     "TianShuAPI",
 					service.SettingKeySiteLogo:     "",
 					service.SettingKeySiteSubtitle: "Subtitle",
 					service.SettingKeyAPIBaseURL:   "https://api.example.com",
@@ -308,7 +308,7 @@ func TestAPIContracts(t *testing.T) {
 					"smtp_username": "user",
 					"smtp_password_configured": true,
 					"smtp_from_email": "no-reply@example.com",
-					"smtp_from_name": "Sub2API",
+					"smtp_from_name": "TianShuAPI",
 					"smtp_use_tls": true,
 					"turnstile_enabled": true,
 					"turnstile_site_key": "site-key",
@@ -321,7 +321,7 @@ func TestAPIContracts(t *testing.T) {
 						"ops_realtime_monitoring_enabled": true,
 						"ops_query_mode_default": "auto",
 						"ops_metrics_interval_seconds": 60,
-						"site_name": "Sub2API",
+						"site_name": "TianShuAPI",
 						"site_logo": "",
 						"site_subtitle": "Subtitle",
 						"api_base_url": "https://api.example.com",

backend/internal/service/auth_service.go

@@ -207,7 +207,7 @@ func (s *AuthService) SendVerifyCode(ctx context.Context, email string) error {
 	}
 
 	// 获取网站名称
-	siteName := "Sub2API"
+	siteName := "TianShuAPI"
 	if s.settingService != nil {
 		siteName = s.settingService.GetSiteName(ctx)
 	}
@@ -247,7 +247,7 @@ func (s *AuthService) SendVerifyCodeAsync(ctx context.Context, email string) (*S
 	}
 
 	// 获取网站名称
-	siteName := "Sub2API"
+	siteName := "TianShuAPI"
 	if s.settingService != nil {
 		siteName = s.settingService.GetSiteName(ctx)
 	}

backend/internal/service/setting_service.go

@@ -89,7 +89,7 @@ func (s *SettingService) GetPublicSettings(ctx context.Context) (*PublicSettings
 		EmailVerifyEnabled:  settings[SettingKeyEmailVerifyEnabled] == "true",
 		TurnstileEnabled:    settings[SettingKeyTurnstileEnabled] == "true",
 		TurnstileSiteKey:    settings[SettingKeyTurnstileSiteKey],
-		SiteName:            s.getStringOrDefault(settings, SettingKeySiteName, "Sub2API"),
+		SiteName:            s.getStringOrDefault(settings, SettingKeySiteName, "TianShuAPI"),
 		SiteLogo:            settings[SettingKeySiteLogo],
 		SiteSubtitle:        s.getStringOrDefault(settings, SettingKeySiteSubtitle, "Subscription to API Conversion Platform"),
 		APIBaseURL:          settings[SettingKeyAPIBaseURL],
@@ -247,7 +247,7 @@ func (s *SettingService) IsEmailVerifyEnabled(ctx context.Context) bool {
 func (s *SettingService) GetSiteName(ctx context.Context) string {
 	value, err := s.settingRepo.GetValue(ctx, SettingKeySiteName)
 	if err != nil || value == "" {
-		return "Sub2API"
+		return "TianShuAPI"
 	}
 	return value
 }
@@ -292,7 +292,7 @@ func (s *SettingService) InitializeDefaultSettings(ctx context.Context) error {
 	defaults := map[string]string{
 		SettingKeyRegistrationEnabled: "true",
 		SettingKeyEmailVerifyEnabled:  "false",
-		SettingKeySiteName:            "Sub2API",
+		SettingKeySiteName:            "TianShuAPI",
 		SettingKeySiteLogo:            "",
 		SettingKeyDefaultConcurrency:  strconv.Itoa(s.cfg.Default.UserConcurrency),
 		SettingKeyDefaultBalance:      strconv.FormatFloat(s.cfg.Default.UserBalance, 'f', 8, 64),
@@ -332,7 +332,7 @@ func (s *SettingService) parseSettings(settings map[string]string) *SystemSettin
 		TurnstileEnabled:             settings[SettingKeyTurnstileEnabled] == "true",
 		TurnstileSiteKey:             settings[SettingKeyTurnstileSiteKey],
 		TurnstileSecretKeyConfigured: settings[SettingKeyTurnstileSecretKey] != "",
-		SiteName:                     s.getStringOrDefault(settings, SettingKeySiteName, "Sub2API"),
+		SiteName:                     s.getStringOrDefault(settings, SettingKeySiteName, "TianShuAPI"),
 		SiteLogo:                     settings[SettingKeySiteLogo],
 		SiteSubtitle:                 s.getStringOrDefault(settings, SettingKeySiteSubtitle, "Subscription to API Conversion Platform"),
 		APIBaseURL:                   settings[SettingKeyAPIBaseURL],

backend/internal/setup/cli.go

@@ -51,7 +51,7 @@ func RunCLI() error {
 
 	fmt.Println()
 	fmt.Println("╔═══════════════════════════════════════════╗")
-	fmt.Println("║       Sub2API Installation Wizard         ║")
+	fmt.Println("║       TianShuAPI Installation Wizard         ║")
 	fmt.Println("╚═══════════════════════════════════════════╝")
 	fmt.Println()