feat: surface live clip metadata in search cards and share

Include host and platform in keyword search, show date/host/platform on
material cards and share detail, and reset live fields when switching
material type.

app/share/[id]/page.tsx

@@ -38,6 +38,10 @@ interface Material {
   previewUrl: string
   productModel: string
   reportTitle?: string | null
+  liveDate?: string | Date | null
+  liveHost?: string | null
+  liveHostUserId?: string | null
+  livePlatform?: string | null
   categoryName: string
   sceneName: string
   platformName?: string // 平台分类
@@ -2063,6 +2067,22 @@ export default function SharePage() {
                         <p className="mb-1 text-[12px] text-[#86898e]">报告名称 / 检测对象</p>
                         <p className="text-[15px] font-medium text-[#1a1c1d]">{material.reportTitle || '未填写'}</p>
                       </div>
+                      {material.materialType === '直播切片' && (
+                        <>
+                          <div>
+                            <p className="mb-1 text-[12px] text-[#86898e]">直播日期</p>
+                            <p className="text-[15px] font-medium text-[#1a1c1d]">{material.liveDate ? String(material.liveDate).slice(0, 10) : '未填写'}</p>
+                          </div>
+                          <div>
+                            <p className="mb-1 text-[12px] text-[#86898e]">主播</p>
+                            <p className="text-[15px] font-medium text-[#1a1c1d]">{material.liveHost || '未填写'}</p>
+                          </div>
+                          <div>
+                            <p className="mb-1 text-[12px] text-[#86898e]">直播平台</p>
+                            <p className="text-[15px] font-medium text-[#1a1c1d]">{material.livePlatform || '未填写'}</p>
+                          </div>
+                        </>
+                      )}
                       <div>
                         <p className="mb-1 text-[12px] text-[#86898e]">文件数量</p>
                         <p className="text-[15px] font-medium text-[#1a1c1d]">{reportViewerItems.length}</p>

components/UploadModal.tsx

@@ -189,6 +189,22 @@ export default function UploadModal({ onClose, onSuccess }: UploadModalProps) {
   const [liveHost, setLiveHost] = useState('')
   const [liveHostUserId, setLiveHostUserId] = useState('')
   const [livePlatform, setLivePlatform] = useState('')
+
+  // 切换素材类型时清空直播切片字段，避免串类型残留
+  useEffect(() => {
+    if (materialType !== '直播切片') {
+      setLiveDate('')
+      setLiveHost('')
+      setLiveHostUserId('')
+      setLivePlatform('')
+    } else if (!liveDate) {
+      const now = new Date()
+      const y = now.getFullYear()
+      const m = String(now.getMonth() + 1).padStart(2, '0')
+      const d = String(now.getDate()).padStart(2, '0')
+      setLiveDate(`${y}-${m}-${d}`)
+    }
+  }, [materialType])
   
   const [uploading, setUploading] = useState(false)
   const [uploadProgress, setUploadProgress] = useState(0)
@@ -1704,7 +1720,9 @@ export default function UploadModal({ onClose, onSuccess }: UploadModalProps) {
           ? '请填写任务号'
           : materialType === '材质'
             ? '请填写材质名称'
-            : '请填写SPU型号'
+            : materialType === '直播切片'
+              ? '请填写标题'
+              : '请填写SPU型号'
       )
       return
     }

components/home/MaterialCard.tsx

@@ -18,6 +18,9 @@ export interface Material {
   id: string
   productModel: string
   reportTitle?: string | null
+  liveDate?: string | null
+  liveHost?: string | null
+  livePlatform?: string | null
   categoryName: string
   sceneName: string
   platformName?: string
@@ -584,6 +587,13 @@ export default function MaterialCard({
         <h3 className="truncate font-display text-[16px] font-semibold tracking-[-0.03em] text-[#1a1c1d]">
           {materialDisplayTitle}
         </h3>
+        {(material.materialType === '直播切片' && (material.liveDate || material.liveHost || material.livePlatform)) && (
+          <p className="mt-1 truncate text-[12px] leading-relaxed text-[#86898e]">
+            {material.livePlatform && <span>{material.livePlatform}</span>}
+            {material.liveDate && <span>{material.livePlatform ? ' · ' : ''}{String(material.liveDate).slice(0, 10)}</span>}
+            {material.liveHost && <span> · {material.liveHost}</span>}
+          </p>
+        )}
         <p className="mt-1.5 truncate text-[12px] leading-relaxed text-[#86898e]">
           {fileSizeLabel && <><span className="font-en tabular-nums tracking-[0.04em]">{fileSizeLabel}</span> · </>}
           {material.authorName && <><span>{material.authorName}</span> · </>}

lib/material-query.ts

@@ -280,6 +280,8 @@ export async function buildMaterialSearchOrConditions(search: string): Promise<a
     { categoryName: { contains: keyword, mode: 'insensitive' } },
     { sceneName: { contains: keyword, mode: 'insensitive' } },
     { authorName: { contains: keyword, mode: 'insensitive' } },
+    { liveHost: { contains: keyword, mode: 'insensitive' } },
+    { livePlatform: { contains: keyword, mode: 'insensitive' } },
   ]
 
   if (skuMaterialIds.length > 0) {