fix: remove console.log statements from frontend code

Issue #26: Clean up console.log debug statements in production code

- Removed debug console.log from Plans.tsx (subscription page)
- Removed debug console.log from ProjectGeneration.tsx (workspace page)
- Kept console.error for error logging

apps/web/src/pages/subscription/Plans.tsx

@@ -71,7 +71,6 @@ const Plans: React.FC = () => {
   const handleSubscribe = async (planId: string) => {
     try {
       setSubscribing(true);
-      console.log('subscribe:', planId);
       message.success('订阅成功');
     } catch (error: any) {
       message.error('订阅失败');

apps/web/src/pages/workspace/ProjectGeneration.tsx

@@ -299,7 +299,6 @@ const ProjectGeneration: React.FC = () => {
     await form.validateFields();
     try {
       const values = form.getFieldsValue();
-      console.log("生成任务参数:", { ...values, editing_mode: editingMode, edit_plan_id: selectedPlan?.id });
       message.success("成片生成任务已创建");
       setGenerateOpen(false);
       form.resetFields();