feat: 任务一键推送企微（总群+KOC个人直达+群发，含推送记录）

app/globals.css

@@ -5571,6 +5571,62 @@ label small {
   line-height: 1.6;
 }
 
+.koc-picker {
+  margin: 10px 0;
+}
+
+.koc-picker-toolbar {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin-bottom: 8px;
+}
+
+.koc-picker-toolbar input[type="text"],
+.koc-picker-toolbar input:not([type]) {
+  flex: 1;
+}
+
+.koc-picker-toolbar label {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  white-space: nowrap;
+  font-size: 11px;
+  color: #4b5563;
+}
+
+.koc-picker-list {
+  max-height: 200px;
+  overflow-y: auto;
+  border: 1px solid #e2e8e4;
+  border-radius: 9px;
+  background: #fbfcfb;
+}
+
+.koc-picker-item {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 7px 12px;
+  border-bottom: 1px solid #eef2ee;
+  cursor: pointer;
+}
+
+.koc-picker-item:last-child {
+  border-bottom: none;
+}
+
+.koc-picker-item span {
+  font-size: 12px;
+}
+
+.koc-picker-item small {
+  margin-left: auto;
+  color: #8a968f;
+  font-size: 10px;
+}
+
 /* ── 合作方类型 ───────────────────────────────────────── */
 
 .partner-type-tabs {