完善多赛道联调与全局产品架构

miniprogram/utils/backendApi.ts

@@ -30,6 +30,21 @@ export interface BackendResolvedRelease {
   routeCode?: string | null
 }
 
+export interface BackendCourseVariantSummary {
+  id: string
+  name: string
+  description?: string | null
+  routeCode?: string | null
+  selectable?: boolean
+}
+
+export interface BackendLaunchVariantSummary {
+  id: string
+  name: string
+  routeCode?: string | null
+  assignmentMode?: string | null
+}
+
 export interface BackendEntrySessionSummary {
   id: string
   status: string
@@ -38,6 +53,8 @@ export interface BackendEntrySessionSummary {
   releaseId?: string | null
   configLabel?: string | null
   routeCode?: string | null
+  variantId?: string | null
+  variantName?: string | null
   launchedAt?: string | null
   startedAt?: string | null
   endedAt?: string | null
@@ -111,6 +128,8 @@ export interface BackendEventPlayResult {
     primaryAction: string
     reason: string
     launchSource?: string
+    assignmentMode?: string | null
+    courseVariants?: BackendCourseVariantSummary[] | null
     ongoingSession?: BackendEntrySessionSummary | null
     recentSession?: BackendEntrySessionSummary | null
   }
@@ -139,6 +158,7 @@ export interface BackendLaunchResult {
       sessionTokenExpiresAt: string
       routeCode?: string | null
     }
+    variant?: BackendLaunchVariantSummary | null
   }
 }
 
@@ -294,6 +314,7 @@ export function launchEvent(input: {
   eventId: string
   accessToken: string
   releaseId?: string
+  variantId?: string
   clientType: string
   deviceKey: string
 }): Promise<BackendLaunchResult> {
@@ -304,6 +325,9 @@ export function launchEvent(input: {
   if (input.releaseId) {
     body.releaseId = input.releaseId
   }
+  if (input.variantId) {
+    body.variantId = input.variantId
+  }
   return requestBackend<BackendLaunchResult>({
     method: 'POST',
     baseUrl: input.baseUrl,