fix(api): populate Repo field in release API responses

Set release.Repo before converting to API format in all v2 release endpoints (CheckAppUpdate, ListReleasesV2, GetReleaseV2, GetLatestReleaseV2). Ensures repository information is available in API responses

routers/api/v2/releases.go

@@ -148,6 +148,7 @@ func CheckAppUpdate(ctx *context.APIContext) {
 		ctx.APIErrorInternal(err)
 		return
 	}
+	latestRelease.Repo = repo
 
 	// Find the appropriate asset for this platform/arch
 	downloadURL, platformInfo := findUpdateAsset(latestRelease, platform, arch)
@@ -346,6 +347,7 @@ func ListReleasesV2(ctx *context.APIContext) {
 	// Convert to API format
 	apiReleases := make([]*api.Release, 0, len(releases))
 	for _, release := range releases {
+		release.Repo = repo
 		apiReleases = append(apiReleases, convertToAPIRelease(repo, release))
 	}
 
@@ -388,6 +390,7 @@ func GetReleaseV2(ctx *context.APIContext) {
 		return
 	}
 
+	release.Repo = repo
 	ctx.JSON(http.StatusOK, convertToAPIRelease(repo, release))
 }
 
@@ -436,6 +439,7 @@ func GetLatestReleaseV2(ctx *context.APIContext) {
 		return
 	}
 
+	release.Repo = repo
 	ctx.JSON(http.StatusOK, convertToAPIRelease(repo, release))
 }