v1.2.3 底部快捷问题AI预测:对话进行中由大模型预测用户可能追问的问题(每个≤30字),个数后台可配(默认3,1-6),异步刷新防串扰;初始与开场白一致
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@@ -53,6 +53,7 @@ DEFAULT_CONFIG = {
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"footer_text": "NBA球迷大全 · 数据为模拟演示数据(2025-26 赛季) · LLM: DeepSeek · 向量: Chroma + bge-large-zh",
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"admin_password": "admin123",
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"entity_mark_mode": "first", # 实体标记:first=只标记首次出现 / all=全部标记
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"suggestion_count": "3", # 对话中底部快捷问题预测个数(默认3)
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}
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SEARCHABLE = { # 每个表可搜索的 TEXT 字段
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@@ -64,6 +64,22 @@ def boot():
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return jsonify(chat.boot_info())
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@app.route("/api/suggest", methods=["POST"])
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def api_suggest():
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"""基于对话历史预测底部快捷问题(个数后台可配,默认3)"""
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body = request.get_json(force=True, silent=True) or {}
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history = body.get("history") or []
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try:
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n = int(admin_mod.get_config().get("suggestion_count", "3") or "3")
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except Exception:
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n = 3
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try:
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return jsonify({"suggestions": chat.predict_suggestions(history, n)})
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except Exception as e:
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log.exception("suggest error")
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return jsonify({"suggestions": chat.suggest_questions()[:n]}), 200
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# ------------------------------------------------------------------ 对话
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@app.route("/api/chat", methods=["POST"])
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def api_chat():
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@@ -272,3 +272,53 @@ def boot_info():
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"suggestions": suggest_questions(),
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"footer_text": cfg.get("footer_text", "NBA球迷大全 · 数据为模拟演示数据(2025-26 赛季)"),
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}
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def _parse_json_array(text):
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"""从 LLM 输出中解析 JSON 数组(容错:直接 JSON / 提取中括号段)"""
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if not text:
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return []
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text = text.strip()
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try:
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arr = json.loads(text)
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if isinstance(arr, list):
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return arr
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except Exception:
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pass
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m = re.search(r"\[.*\]", text, re.S)
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if m:
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try:
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arr = json.loads(m.group(0))
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if isinstance(arr, list):
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return arr
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except Exception:
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pass
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return []
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def predict_suggestions(history=None, n=3):
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"""基于对话历史,让大模型预测用户接下来最可能追问的 n 个问题(底部快捷语句)。
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每个问题不超过 30 字;LLM 异常时回退到默认快捷问题。"""
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n = max(1, min(int(n or 3), 6))
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history = history or []
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msgs = [{"role": "system", "content": (
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f"你是「NBA球迷大全」智能助手。根据对话历史,站在用户角度预测他接下来最可能追问的{n}个问题。\n"
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"要求:\n"
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"1. 每个问题不超过30个汉字,简洁口语化\n"
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"2. 必须是用户会直接发送的提问,不要编号、不要引号、不要解释\n"
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"3. 只输出JSON数组,例如:[\"库里今天拿了几分\",\"湖人下一场什么时候\"],不要输出任何其他内容")}]
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for h in history[-6:]:
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msgs.append({"role": "user", "content": h.get("user", "")})
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if h.get("assistant"):
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msgs.append({"role": "assistant", "content": str(h["assistant"])[:600]})
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if len(msgs) == 1:
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return DEFAULT_SUGGESTIONS[:n]
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try:
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resp = llm.chat(msgs, temperature=0.9, max_tokens=200)
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arr = _parse_json_array(llm.parse_content(resp))
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out = [str(x).strip()[:30] for x in arr if str(x).strip()][:n]
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if out:
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return out
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except Exception as e:
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log.warning("快捷问题预测失败(%s),回退默认", e)
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return DEFAULT_SUGGESTIONS[:n]
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@@ -157,6 +157,10 @@ td.num { text-align:center; }
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<textarea id="cfg-suggestions" style="min-height:160px"></textarea>
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<div class="tip">💡 一行一个问题。保存后刷新前台页面即可看到新的快捷问题。</div>
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</div>
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<div class="row2">
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<div><label>对话中底部快捷问题预测个数(默认3,范围1-6)</label><input type="number" id="cfg-suggestion_count" min="1" max="6">
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<div class="tip">对话进行中,大模型根据上下文预测用户可能追问的问题数量(每个≤30字)</div></div>
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</div>
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<div class="row2">
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<div><label>管理员密码(留空则不修改)</label><input type="password" id="cfg-admin_password" placeholder="••••••"></div>
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<div><label>实体标记模式</label><select id="cfg-entity_mark_mode">
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@@ -208,6 +208,7 @@ async function loadConfig() {
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$("#cfg-footer_text").value = d.footer_text || "";
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$("#cfg-admin_password").value = "";
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$("#cfg-entity_mark_mode").value = d.entity_mark_mode === "all" ? "all" : "first";
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$("#cfg-suggestion_count").value = d.suggestion_count || "3";
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try { $("#cfg-suggestions").value = JSON.parse(d.suggestions || "[]").join("\n"); }
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catch (e) { $("#cfg-suggestions").value = ""; }
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$("#cfg-msg").textContent = "";
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@@ -224,6 +225,7 @@ $("#cfg-save").addEventListener("click", async () => {
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const pw = $("#cfg-admin_password").value;
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if (pw) payload.admin_password = pw;
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payload.entity_mark_mode = $("#cfg-entity_mark_mode").value;
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payload.suggestion_count = String(Math.min(6, Math.max(1, parseInt($("#cfg-suggestion_count").value || "3"))));
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try {
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await api("/api/admin/config", { method: "PUT", body: JSON.stringify(payload) });
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$("#cfg-msg").textContent = "✅ 保存成功,前台刷新后生效";
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@@ -122,6 +122,9 @@ async function sendChat(text) {
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addMsg("bot", html);
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chatHistory.push({ user: text, assistant: d.reply });
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if (chatHistory.length > 20) chatHistory.splice(0, chatHistory.length - 20);
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// 大模型预测下一轮快捷问题(异步刷新底部 chips)
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const mark = chatHistory.length;
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refreshChips(mark);
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} catch (e) {
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typing.remove();
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addMsg("bot", "⚠️ 网络异常,请稍后再试。");
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@@ -139,6 +142,19 @@ function askQuick(q) {
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sendChat(q);
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}
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/* 底部快捷问题:对话进行中由大模型预测用户可能追问的问题(异步刷新) */
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async function refreshChips(mark) {
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try {
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const r = await fetch("/api/suggest", { method: "POST", headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ history: chatHistory.slice(-6) }) });
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const d = await r.json();
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if (!d.suggestions || !d.suggestions.length) return;
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if (mark !== chatHistory.length) return; // 期间用户又发了新消息 → 丢弃过期预测
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$("#chips").innerHTML = d.suggestions.map((q) => `<button>${esc(q)}</button>`).join("");
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$$("#chips button").forEach((b) => b.addEventListener("click", () => askQuick(b.textContent)));
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} catch (e) {}
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}
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/* 聊天区事件委托:快捷语句 / 实体标记 / 新闻链接 / 卡片 */
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$("#chat-list").addEventListener("click", (e) => {
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const q = e.target.closest(".quick-q");
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