添加聊天框消息解析功能；优化请求头处理；更新部分 api base url

src/components/chat/chatMessageSections.ts

@@ -0,0 +1,55 @@
+export type AssistantMessageSections = {
+  answer: string;
+  thought: string | null;
+  thoughtComplete: boolean;
+};
+
+const THINK_BLOCK_PATTERN = /<think>([\s\S]*?)<\/think>/gi;
+const THINK_OPEN_TAG = "<think>";
+const THINK_CLOSE_TAG = "</think>";
+
+export const parseAssistantMessageSections = (
+  content: string,
+): AssistantMessageSections => {
+  if (!content) {
+    return { answer: "", thought: null, thoughtComplete: false };
+  }
+
+  const thoughtParts: string[] = [];
+  let answer = content;
+
+  answer = answer.replace(THINK_BLOCK_PATTERN, (_, thoughtContent: string) => {
+    const trimmedThought = thoughtContent.trim();
+    if (trimmedThought) {
+      thoughtParts.push(trimmedThought);
+    }
+
+    return "\n";
+  });
+
+  const lastOpenIndex = answer.lastIndexOf(THINK_OPEN_TAG);
+  const lastCloseIndex = answer.lastIndexOf(THINK_CLOSE_TAG);
+  const hasUnclosedThought =
+    lastOpenIndex !== -1 && lastOpenIndex > lastCloseIndex;
+
+  if (hasUnclosedThought) {
+    const streamingThought = answer
+      .slice(lastOpenIndex + THINK_OPEN_TAG.length)
+      .trim();
+
+    if (streamingThought) {
+      thoughtParts.push(streamingThought);
+    }
+
+    answer = answer.slice(0, lastOpenIndex);
+  }
+
+  const normalizedAnswer = answer.replace(/\n{3,}/g, "\n\n").trim();
+  const normalizedThought = thoughtParts.join("\n\n").trim();
+
+  return {
+    answer: normalizedAnswer,
+    thought: normalizedThought || null,
+    thoughtComplete: Boolean(normalizedThought) && !hasUnclosedThought,
+  };
+};