feat: migrate legacy projects through binding search

hub/src/feishu/projectOnboardingCard.ts

@@ -22,6 +22,7 @@ export function buildUnboundChatOnboardingCard(params: {
   readonly folders: readonly OnboardingFolderOption[];
   readonly projects: readonly OnboardingProjectOption[];
   readonly canCreateProject: boolean;
+  readonly searchQuery?: string | undefined;
 }): Record<string, unknown> {
   const actions: unknown[] = [];
   if (params.canCreateProject) {
@@ -64,7 +65,14 @@ export function buildUnboundChatOnboardingCard(params: {
         `这个飞书群还没有绑定项目。`,
         ``,
         `组织: **${escapeMarkdown(params.organizationName)}**`,
-        `可以选择 folder 新建项目并绑定到本群，或绑定你已经有管理权限的未绑定项目。`,
+        ...(params.searchQuery === undefined || params.searchQuery === ""
+          ? [`可以选择 folder 新建项目并绑定到本群，或绑定你已经有管理权限的未绑定项目。`]
+          : [
+              `项目搜索: **${escapeMarkdown(params.searchQuery)}**`,
+              params.projects.length === 0
+                ? `没有匹配的未绑定项目。请 @bot 后换一个项目关键词。`
+                : `请选择匹配项目绑定到本群；如未找到，请 @bot 后换一个更具体的关键词。`,
+            ]),
       ].join("\n"),
     },
   ];