Update web/src/components/sidebar/CourseInfoSection.tsx

web/src/components/sidebar/CourseInfoSection.tsx

@@ -64,21 +64,15 @@ export function CourseInfoSection({
 
   // ---------- Fallback：不要静默消失 ----------
   if (!courseInfo) {
-    const wsName = (currentWorkspace as any)?.name ?? "";
-    const sel = (selectedCourse || "").trim();
-
     return (
       <div className="w-full">
         <div className="px-4 pt-4 pb-3 space-y-2">
-          <div className="font-semibold text-base">Course</div>
-          <div className="text-sm text-muted-foreground">
-            Not resolved (courseInfo is null)
-          </div>
-          <div className="text-xs text-muted-foreground">
-            selectedCourse: <span className="font-medium">{sel || "—"}</span>
-          </div>
-          <div className="text-xs text-muted-foreground">
-            currentWorkspace: <span className="font-medium">{wsName || "—"}</span>
+          <div className="text-xs text-red-600">COURSEINFO ACTIVE (fallback)</div>
+          <div className="font-semibold text-base">No course matched</div>
+          <div className="text-xs text-muted-foreground space-y-1">
+            <div>selectedCourse: <span className="font-medium">{String(selectedCourse || "")}</span></div>
+            <div>availableCourses: <span className="font-medium">{availableCourses?.length ?? 0}</span></div>
+            <div>currentWorkspaceId: <span className="font-medium">{String(currentWorkspaceId)}</span></div>
           </div>
         </div>
         <Separator className="bg-[#ECECF1]" />
@@ -86,6 +80,7 @@ export function CourseInfoSection({
     );
   }
 
+
   // ---------- Display fields ----------
   const courseName = courseInfo.name ?? (selectedCourse || "Course");