feat(chat): add local-first conversation workspace

2026-08-13 15:55:15 +08:00
parent d1d50d722c
commit 8991f78f9f
43 changed files with 5450 additions and 592 deletions
@@ -0,0 +1,37 @@
+import type {StoredChatMessage} from "./conversation-types";
+
+export const untitledConversationLabel = "未命名会话";
+
+function messageText(message: StoredChatMessage) {
+  return message.parts
+    .filter((part) => part.type === "text" && typeof part.text === "string")
+    .map((part) => String(part.text))
+    .join("\n")
+    .trim();
+}
+
+export function conversationTitlePrompt(messages: StoredChatMessage[]) {
+  const transcript = messages
+    .filter((message) => message.role === "user" || message.role === "assistant")
+    .slice(0, 4)
+    .map((message) => `${message.role === "user" ? "用户" : "助手"}：${messageText(message).slice(0, 2000)}`)
+    .filter((line) => !line.endsWith("："))
+    .join("\n\n");
+  return `请为下面的对话生成一个简洁、具体的中文标题。只输出标题，不要解释，不要加引号、Markdown 或“标题：”前缀。标题不超过 30 个字符，不要使用斜杠。\n\n${transcript}`;
+}
+
+export function normalizeGeneratedConversationTitle(value: string) {
+  let title = value
+    .replace(/<think>[\s\S]*?<\/think>/gi, "")
+    .trim()
+    .split(/\r?\n/)[0]
+    .replace(/^#{1,6}\s*/, "")
+    .replace(/^(?:标题|title)\s*[：:]\s*/i, "")
+    .replace(/^[`'“”‘’\"]+|[`'“”‘’\"]+$/g, "")
+    .replace(/[\u0000-\u001f]/g, " ")
+    .replace(/\s+/g, " ")
+    .replaceAll("/", "／")
+    .trim();
+  title = [...title].slice(0, 60).join("").trim();
+  return title;
+}