diff --git a/server-rs/crates/api-server/src/runtime_profile.rs b/server-rs/crates/api-server/src/runtime_profile.rs
index def489579..c4d22d258 100644
--- a/server-rs/crates/api-server/src/runtime_profile.rs
+++ b/server-rs/crates/api-server/src/runtime_profile.rs
@@ -1188,19 +1188,8 @@ pub async fn admin_upsert_profile_membership_plan(
     Extension(admin): Extension<AuthenticatedAdmin>,
     Json(payload): Json<AdminUpsertProfileMembershipPlanRequest>,
 ) -> Result<Json<Value>, Response> {
-    let plan = parse_runtime_profile_membership_plan(&payload.plan).map_err(|error| {
-        runtime_profile_error_response(
-            &request_context,
-            AppError::from_status(StatusCode::BAD_REQUEST).with_message(error),
-        )
-    })?;
-    let model_access = parse_runtime_profile_membership_model_access(&payload.model_access)
-        .map_err(|error| {
-            runtime_profile_error_response(
-                &request_context,
-                AppError::from_status(StatusCode::BAD_REQUEST).with_message(error),
-            )
-        })?;
+    let plan = payload.plan.into();
+    let model_access = payload.model_access.into();
     let updated_at_micros = OffsetDateTime::now_utc().unix_timestamp_nanos() / 1_000;
     let record = state
         .spacetime_client()
@@ -2434,22 +2423,7 @@ fn parse_profile_recharge_product_kind(
     }
 }
 
-/// 会员档位 token → 枚举。JSON 没有枚举，但解析必须严格：未知 token 一律 400。
-fn parse_runtime_profile_membership_plan(
-    raw: &str,
-) -> Result<module_runtime::RuntimeProfileMembershipPlan, String> {
-    module_runtime::RuntimeProfileMembershipPlan::parse(raw)
-        .ok_or_else(|| "会员档位无效".to_string())
-}
-
-/// 模型权限 token → 枚举；`basic` = 仅基础模型，`full` = 基础及高性能模型。
-fn parse_runtime_profile_membership_model_access(
-    raw: &str,
-) -> Result<module_runtime::RuntimeProfileMembershipModelAccess, String> {
-    module_runtime::RuntimeProfileMembershipModelAccess::parse(raw)
-        .ok_or_else(|| "模型权限无效".to_string())
-}
-
+/// 会员档位 / 模型权限 / 周期改由 typed enum 在反序列化阶段校验，未知 token 直接 4xx。
 fn parse_tracking_scope_kind(raw: &str) -> Result<RuntimeTrackingScopeKind, String> {
     match raw.trim().to_ascii_lowercase().as_str() {
         TRACKING_SCOPE_KIND_SITE => Ok(RuntimeTrackingScopeKind::Site),
diff --git a/server-rs/crates/shared-contracts/src/runtime.rs b/server-rs/crates/shared-contracts/src/runtime.rs
index bab42b467..fc576d464 100644
--- a/server-rs/crates/shared-contracts/src/runtime.rs
+++ b/server-rs/crates/shared-contracts/src/runtime.rs
@@ -801,13 +801,13 @@ pub struct ProfileMembershipPlanAdminListResponse {
 #[serde(rename_all = "camelCase")]
 pub struct AdminUpsertProfileMembershipPlanRequest {
     /// 档位 token，作为主键即档位身份。
-    pub plan: String,
+    pub plan: ProfileMembershipPlanToken,
     pub title: String,
     pub month_price_cents: u64,
     pub year_price_cents: u64,
     pub period_points: u64,
     /// 模型权限 token：`basic` / `full`；本期只落字段、不做服务端拦截。
-    pub model_access: String,
+    pub model_access: ProfileMembershipModelAccessToken,
     /// 并发上限；`128` 表示不设上限。
     pub concurrent_job_limit: u32,
     #[serde(default = "default_true")]