feat(helmchart): optimize HelmChartConfig

.env.sample

@@ -6,5 +6,9 @@ S3_ACCESS_SECRET_KEY=placeholder
 DNSPOD_SECRET_ID=placeholder
 DNSPOD_SECRET_KEY=placeholder
 
-# Gitea Actions Runner Token
+# Gitea Actions Runner Token（Gitea 启动后在 admin → Runners 生成）
 GITEA_ACTIONS_TOKEN=placeholder
+
+# Flux Operator Web OIDC 凭据（Gitea 启动后创建 OAuth2 应用获取，Redirect URI: https://cd.dev.cm/oauth2/callback）
+FLUX_WEB_OIDC_CLIENT_ID=placeholder
+FLUX_WEB_OIDC_CLIENT_SECRET=placeholder