feat: 添加分类提案功能，包括提案表单和相关后端逻辑

frontend_nuxt/pages/new-post.vue

@@ -37,6 +37,7 @@
       </div>
       <LotteryForm v-if="postType === 'LOTTERY'" :data="lottery" />
       <PollForm v-if="postType === 'POLL'" :data="poll" />
+      <ProposalForm v-if="postType === 'PROPOSAL'" :data="proposal" />
     </div>
   </div>
 </template>
@@ -50,6 +51,7 @@ import PostTypeSelect from '~/components/PostTypeSelect.vue'
 import TagSelect from '~/components/TagSelect.vue'
 import LotteryForm from '~/components/LotteryForm.vue'
 import PollForm from '~/components/PollForm.vue'
+import ProposalForm from '~/components/ProposalForm.vue'
 import { toast } from '~/main'
 import { authState, getToken } from '~/utils/auth'
 const config = useRuntimeConfig()
@@ -76,6 +78,15 @@ const poll = reactive({
   endTime: null,
   multiple: false,
 })
+const proposal = reactive({
+  proposedName: '',
+  proposedSlug: '',
+  proposalDescription: '',
+  approveThreshold: 60,
+  quorum: 10,
+  endTime: null,
+  options: ['同意', '反对'],
+})
 const startTime = ref(null)
 const isWaitingPosting = ref(false)
 const isAiLoading = ref(false)
@@ -123,6 +134,13 @@ const clearPost = async () => {
   poll.options = ['', '']
   poll.endTime = null
   poll.multiple = false
+  proposal.proposedName = ''
+  proposal.proposedSlug = ''
+  proposal.proposalDescription = ''
+  proposal.approveThreshold = 60
+  proposal.quorum = 10
+  proposal.endTime = null
+  proposal.options = ['同意', '反对']
 
   // 删除草稿
   const token = getToken()
@@ -283,6 +301,32 @@ const submitPost = async () => {
       return
     }
   }
+  if (postType.value === 'PROPOSAL') {
+    if (!proposal.proposedName.trim()) {
+      toast.error('请填写拟议分类名称')
+      return
+    }
+    if (!proposal.proposedSlug.trim()) {
+      toast.error('请填写拟议分类 Slug')
+      return
+    }
+    if (proposal.approveThreshold < 0 || proposal.approveThreshold > 100) {
+      toast.error('通过阈值需在0到100之间')
+      return
+    }
+    if (proposal.quorum < 0) {
+      toast.error('最小参与数需大于或等于0')
+      return
+    }
+    if (proposal.options.length < 2 || proposal.options.some((o) => !o.trim())) {
+      toast.error('请填写至少两个投票选项')
+      return
+    }
+    if (!proposal.endTime) {
+      toast.error('请选择投票结束时间')
+      return
+    }
+  }
   try {
     const token = getToken()
     await ensureTags(token)
@@ -321,6 +365,18 @@ const submitPost = async () => {
         prizeDescription: postType.value === 'LOTTERY' ? lottery.prizeDescription : undefined,
         options: postType.value === 'POLL' ? poll.options : undefined,
         multiple: postType.value === 'POLL' ? poll.multiple : undefined,
+        proposedName: postType.value === 'PROPOSAL' ? proposal.proposedName : undefined,
+        proposedSlug: postType.value === 'PROPOSAL' ? proposal.proposedSlug : undefined,
+        proposalDescription:
+          postType.value === 'PROPOSAL' ? proposal.proposalDescription : undefined,
+        approveThreshold: postType.value === 'PROPOSAL' ? proposal.approveThreshold : undefined,
+        quorum: postType.value === 'PROPOSAL' ? proposal.quorum : undefined,
+        options:
+          postType.value === 'POLL'
+            ? poll.options
+            : postType.value === 'PROPOSAL'
+              ? proposal.options
+              : undefined,
         startTime:
           postType.value === 'LOTTERY' ? new Date(startTime.value).toISOString() : undefined,
         pointCost: postType.value === 'LOTTERY' ? lottery.pointCost : undefined,
@@ -330,7 +386,11 @@ const submitPost = async () => {
             ? new Date(new Date(lottery.endTime).getTime() + 8.02 * 60 * 60 * 1000).toISOString()
             : postType.value === 'POLL'
               ? new Date(new Date(poll.endTime).getTime() + 8.02 * 60 * 60 * 1000).toISOString()
-              : undefined,
+              : postType.value === 'PROPOSAL'
+                ? new Date(
+                    new Date(proposal.endTime).getTime() + 8.02 * 60 * 60 * 1000,
+                  ).toISOString()
+                : undefined,
       }),
     })
     const data = await res.json()