pref: support searching main session's messages

Author: ourongxing

src/store.ts

@@ -256,7 +256,8 @@ export function loadSession(id: string) {
     }
   })
   setTimeout(() => {
-    FZFData.sessionOptions = fetchAllSessions()
+    const seesions = fetchAllSessions()
+    FZFData.sessionOptions = seesions
       .sort((m, n) => n.lastVisit - m.lastVisit)
       .filter(k => k.id !== store.sessionId && k.id !== "index")
       .map(k => ({
@@ -269,7 +270,12 @@ export function loadSession(id: string) {
     if (id !== "index") {
       FZFData.sessionOptions.unshift({
         title: "回到主对话",
-        desc: "其实点击顶部 Logo 也可以直接回到主对话",
+        desc:
+          "其实点击顶部 Logo 也可以直接回到主对话。" +
+            seesions
+              .find(k => k.id === "index")
+              ?.messages.map(k => k.content)
+              .join("\n") ?? "",
         extra: {
           id: "index"
         }