# -*- coding: utf-8 -*-
"""PySide6 desktop shell for the WeCom customer-service assistant."""

from __future__ import annotations

import json
import os
import queue
import signal
import sys
import threading
import time
from pathlib import Path

from PySide6.QtCore import (
    QEasingCurve,
    QEvent,
    QObject,
    QPoint,
    QPointF,
    QPropertyAnimation,
    QRect,
    QSize,
    QTimer,
    Qt,
    QUrl,
    Signal,
)
from PySide6.QtGui import (
    QColor,
    QDesktopServices,
    QFont,
    QFontMetrics,
    QIcon,
    QPainter,
    QPen,
    QPixmap,
)
from PySide6.QtWidgets import (
    QAbstractItemView,
    QApplication,
    QCheckBox,
    QDialog,
    QDoubleSpinBox,
    QFrame,
    QGraphicsDropShadowEffect,
    QGraphicsOpacityEffect,
    QGridLayout,
    QHBoxLayout,
    QHeaderView,
    QLabel,
    QLineEdit,
    QListWidget,
    QListWidgetItem,
    QMainWindow,
    QMessageBox,
    QPlainTextEdit,
    QProgressBar,
    QPushButton,
    QScrollArea,
    QSpinBox,
    QStackedWidget,
    QTableWidget,
    QTableWidgetItem,
    QTextEdit,
    QVBoxLayout,
    QWidget,
)
from PySide6.QtWebEngineWidgets import QWebEngineView

from app_version import APP_VERSION, release_status
from runtime_paths import application_data_dir, resource_path


# 直接用 GUI 无关的共享运行时；过去 import wechat_gui 会连带把整个
# tkinter/tcl 拖进 Qt 进程，冷启动白付一笔加载费。
from gui_runtime import (
    BotThread,
    LogQueue,
    delete_pending_reply_file,
    normalize_message_batch_window_seconds,
)
from gui_runtime import (
    MESSAGE_BATCH_WINDOW_SECONDS,
    MESSAGE_BATCH_WINDOW_MAX_SECONDS as _BATCH_MAX,
    MESSAGE_BATCH_WINDOW_MIN_SECONDS as _BATCH_MIN,
)

MESSAGE_BATCH_WINDOW_MIN_SECONDS = int(_BATCH_MIN)
MESSAGE_BATCH_WINDOW_MAX_SECONDS = int(_BATCH_MAX)
SCRIPT_DIR = application_data_dir()
APP_SETTINGS_FILE = SCRIPT_DIR / "app_settings.json"
WIN_TITLE = f"甄养堂 · 企微客服助手 v{APP_VERSION}"
APP_ICON_PATH = resource_path("assets", "brand", "zhenyangtang-icon.png")
WECOM_WAITING_MESSAGE = (
    "企业微信主界面未显示、未在前台或已最小化，正在尝试切到前台；"
    "本轮失败时下一轮将自动重试。"
)


COLORS = {
    "canvas": "#F4F7F5",
    "surface": "#FFFFFF",
    "surface_alt": "#F8FAF9",
    "sidebar": "#10271F",
    "sidebar_alt": "#17372C",
    "ink": "#17251F",
    "muted": "#617269",
    "faint": "#8A9991",
    "line": "#DDE7E1",
    "line_soft": "#EAF0ED",
    "accent": "#10A57A",
    "accent_dark": "#087A59",
    "accent_soft": "#DDF5EC",
    "success": "#118764",
    "warning": "#B67820",
    "danger": "#D85260",
    "danger_soft": "#FBEAEC",
}


APP_QSS = """
* {
    font-family: "Microsoft YaHei UI", "Segoe UI";
    font-size: 14px;
    color: #17251F;
}
QMainWindow, QWidget#AppRoot, QWidget#PageRoot, QScrollArea#PageScroll,
QScrollArea#PageScroll > QWidget > QWidget {
    background: #F4F7F5;
}
QDialog#SessionDetailDialog { background: #F4F7F5; }
QFrame#Sidebar {
    background: #FCFDFC;
    border: none;
    border-right: 1px solid #DDE7E1;
}
QFrame#Sidebar QLabel { color: #42574D; }
QFrame#Sidebar QLabel#Brand {
    color: #087A59;
    font-family: "Cascadia Mono", "Microsoft YaHei UI";
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}
QFrame#Sidebar QLabel#BrandSub { color: #6C7D74; font-size: 13px; }
QFrame#Sidebar QLabel#SectionLabel {
    color: #8A9991;
    font-family: "Cascadia Mono";
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
}
QFrame#SideStatus {
    background: #EEF8F3;
    border: 1px solid #CFE9DE;
    border-radius: 12px;
}
QFrame#Sidebar QLabel#SideStatusTitle { color: #17372C; font-size: 15px; font-weight: 700; }
QFrame#Sidebar QLabel#SideStatusHint { color: #6C7D74; font-size: 12px; }
QPushButton#NavButton {
    background: transparent;
    color: #5D7067;
    border: none;
    border-left: 3px solid transparent;
    border-radius: 0px;
    text-align: left;
    padding: 13px 16px;
    font-size: 15px;
}
QPushButton#NavButton:hover { background: #F0F6F3; color: #17372C; }
QPushButton#NavButton:checked {
    background: #DDF5EC;
    color: #087A59;
    border-left-color: #10A57A;
    font-weight: 700;
}
QFrame#DeskRail {
    background: #FCFDFC;
    border: none;
    border-right: 1px solid #DDE7E1;
}
QListWidget#DeskSessionList {
    background: transparent;
    border: none;
    outline: none;
}
QListWidget#DeskSessionList::item {
    background: transparent;
    border: none;
    padding: 0px;
    margin: 3px 8px;
}
QLabel#DeskSessionTitle { color: #17372C; font-size: 14px; font-weight: 700; }
QLabel#DeskSessionPreview { color: #8A9991; font-size: 12px; }
QFrame#DeskSessionCard {
    background: transparent;
    border-radius: 12px;
    padding: 2px;
}
QListWidget#DeskSessionList::item:selected QFrame#DeskSessionCard {
    background: #DDF5EC;
}
QPlainTextEdit#DeskComposer { min-height: 84px; }
QPushButton#PrimaryButton, QPushButton#SidePrimary {
    background: #10A57A;
    color: #FFFFFF;
    border: none;
    border-radius: 10px;
    padding: 11px 20px;
    font-weight: 700;
}
QPushButton#PrimaryButton:hover, QPushButton#SidePrimary:hover { background: #087A59; }
QPushButton#PrimaryButton:pressed, QPushButton#SidePrimary:pressed { background: #06684B; }
QPushButton#PrimaryButton:disabled, QPushButton#SidePrimary:disabled {
    background: #C8D7D0; color: #F7F9F8;
}
QPushButton#SecondaryButton {
    background: #FFFFFF;
    color: #42574D;
    border: 1px solid #D7E2DC;
    border-radius: 10px;
    padding: 10px 18px;
}
QPushButton#SecondaryButton:hover { background: #F0F6F3; border-color: #BFD3C9; }
QPushButton#DangerButton {
    background: #FBEAEC;
    color: #C74452;
    border: 1px solid #F2CDD2;
    border-radius: 10px;
    padding: 10px 18px;
    font-weight: 600;
}
QPushButton#DangerButton:hover { background: #D85260; color: #FFFFFF; }
QFrame#Card, QFrame#HeroCard, QFrame#MetricCard {
    background: #FFFFFF;
    border: 1px solid #DDE7E1;
    border-radius: 16px;
}
QFrame#CustomerBubble {
    background: #FFFFFF;
    border: 1px solid #DDE7E1;
    border-radius: 13px;
}
QFrame#AssistantBubble {
    background: #DDF5EC;
    border: 1px solid #BFE8D8;
    border-radius: 13px;
}
QFrame#SystemBubble {
    background: #EEF2F0;
    border: 1px solid #DDE7E1;
    border-radius: 11px;
}
QLabel#MessageRole { color: #087A59; font-size: 12px; font-weight: 700; }
QLabel#MessageTime { color: #91A097; font-size: 11px; }
QLabel#MessageContent { color: #17251F; font-size: 14px; }
QFrame#HeroCard { background: #FBFDFC; }
QLabel#Eyebrow {
    color: #0B8B67;
    font-family: "Cascadia Mono";
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}
QLabel#PageTitle { color: #17251F; font-size: 28px; font-weight: 700; }
QLabel#PageSubtitle { color: #687A71; font-size: 14px; }
QLabel#CardTitle { color: #17251F; font-size: 17px; font-weight: 700; }
QLabel#CardSubtitle { color: #6E7F76; font-size: 13px; }
QLabel#MetricValue {
    color: #17251F;
    font-family: "Cascadia Mono";
    font-size: 30px;
    font-weight: 700;
}
QLabel#MetricLabel { color: #6C7D74; font-size: 13px; }
QLabel#MetricMeta { color: #96A39C; font-size: 12px; }
QLabel#HeroStatus { color: #17251F; font-size: 30px; font-weight: 700; }
QLabel#HeroHint { color: #687A71; font-size: 14px; }
QLabel#SuccessText { color: #118764; font-weight: 600; }
QLabel#WarningText { color: #B67820; font-weight: 600; }
QLabel#DangerText { color: #D85260; font-weight: 600; }
QLineEdit, QPlainTextEdit, QTextEdit, QSpinBox, QDoubleSpinBox {
    background: #FBFCFB;
    color: #17251F;
    border: 1px solid #D7E2DC;
    border-radius: 9px;
    padding: 9px 11px;
    selection-background-color: #BDEBDC;
}
QLineEdit:focus, QPlainTextEdit:focus, QTextEdit:focus,
QSpinBox:focus, QDoubleSpinBox:focus {
    background: #FFFFFF;
    border: 2px solid #10A57A;
    padding: 8px 10px;
}
QLineEdit[readOnly="true"] { background: #F2F5F3; color: #798880; }
QCheckBox { spacing: 10px; font-size: 14px; }
QCheckBox::indicator {
    width: 38px; height: 21px;
    border-radius: 10px;
    background: #C9D6D0;
}
QCheckBox::indicator:checked { background: #10A57A; }
QTableWidget {
    background: #FFFFFF;
    alternate-background-color: #F8FAF9;
    border: 1px solid #DDE7E1;
    border-radius: 12px;
    gridline-color: #EAF0ED;
    selection-background-color: #DDF5EC;
    selection-color: #17251F;
}
QHeaderView::section {
    background: #F2F6F4;
    color: #607168;
    border: none;
    border-bottom: 1px solid #DDE7E1;
    padding: 10px;
    font-weight: 600;
}
QScrollBar:vertical { width: 10px; background: transparent; margin: 3px; }
QScrollBar::handle:vertical { background: #C7D5CE; border-radius: 4px; min-height: 30px; }
QScrollBar::handle:vertical:hover { background: #9EB5AA; }
QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical { height: 0px; }
QProgressBar { background: transparent; border: none; max-height: 3px; }
QProgressBar::chunk { background: #10A57A; }
QToolTip {
    background: #17372C; color: #FFFFFF; border: none; padding: 7px;
}
"""


def _button(text: str, kind: str = "secondary") -> QPushButton:
    button = QPushButton(text)
    names = {
        "primary": "PrimaryButton",
        "danger": "DangerButton",
        "side": "SidePrimary",
    }
    button.setObjectName(names.get(kind, "SecondaryButton"))
    button.setCursor(Qt.PointingHandCursor)
    return button


def _shadow(widget: QWidget, blur: int = 28, y: int = 8, alpha: int = 24) -> None:
    effect = QGraphicsDropShadowEffect(widget)
    effect.setBlurRadius(blur)
    effect.setOffset(0, y)
    effect.setColor(QColor(45, 52, 49, alpha))
    widget.setGraphicsEffect(effect)


def _label(text: str, name: str = "") -> QLabel:
    item = QLabel(text)
    if name:
        item.setObjectName(name)
    item.setWordWrap(True)
    return item


def _page_header(index: str, title: str, subtitle: str) -> QVBoxLayout:
    layout = QVBoxLayout()
    layout.setSpacing(5)
    layout.addWidget(_label(f"{index}  CONTROL CENTER", "Eyebrow"))
    layout.addWidget(_label(title, "PageTitle"))
    layout.addWidget(_label(subtitle, "PageSubtitle"))
    return layout


def _card(title: str = "", subtitle: str = "") -> tuple[QFrame, QVBoxLayout]:
    frame = QFrame()
    frame.setObjectName("Card")
    layout = QVBoxLayout(frame)
    layout.setContentsMargins(22, 20, 22, 20)
    layout.setSpacing(11)
    if title:
        layout.addWidget(_label(title, "CardTitle"))
    if subtitle:
        layout.addWidget(_label(subtitle, "CardSubtitle"))
    return frame, layout


class FadingStack(QStackedWidget):
    def setCurrentIndexAnimated(self, index: int) -> None:
        if index == self.currentIndex():
            return
        self.setCurrentIndex(index)
        page = self.currentWidget()
        effect = QGraphicsOpacityEffect(page)
        page.setGraphicsEffect(effect)
        animation = QPropertyAnimation(effect, b"opacity", page)
        animation.setDuration(220)
        animation.setStartValue(0.25)
        animation.setEndValue(1.0)
        animation.setEasingCurve(QEasingCurve.OutCubic)
        animation.finished.connect(lambda: page.setGraphicsEffect(None))
        page._fade_animation = animation
        animation.start()


class _DeskBridge(QObject):
    finished = Signal(str, object)


class AgentDeskPage(QWidget):
    """本地 DeepSeek Harness 客服工作台，取代原先嵌入的第三方网页。"""

    def __init__(self, parent: QWidget | None = None):
        super().__init__(parent)
        self.setObjectName("PageRoot")
        self.view = None
        self._session_id = ""
        self._busy = False
        self._bridge: _DeskBridge | None = None

        layout = QHBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)

        rail = QFrame()
        rail.setObjectName("DeskRail")
        rail.setFixedWidth(272)
        rail_layout = QVBoxLayout(rail)
        rail_layout.setContentsMargins(16, 22, 16, 18)
        rail_layout.setSpacing(10)
        rail_layout.addWidget(_label("ZHEN AI", "Eyebrow"))
        rail_layout.addWidget(_label("客服工作台", "CardTitle"))
        rail_layout.addWidget(
            _label("同一输入框里起草回复、整理话术；会话按 SDK 的 session id 延续。", "CardSubtitle")
        )
        self.new_chat_button = _button("+  开始新对话", "primary")
        self.new_chat_button.clicked.connect(self._new_session)
        rail_layout.addWidget(self.new_chat_button)
        rail_layout.addWidget(_label("最近对话", "SectionLabel"))
        self.session_list = QListWidget()
        self.session_list.setObjectName("DeskSessionList")
        self.session_list.setSpacing(2)
        self.session_list.currentItemChanged.connect(self._session_changed)
        rail_layout.addWidget(self.session_list, 1)
        self.backend_label = _label("", "CardSubtitle")
        rail_layout.addWidget(self.backend_label)
        layout.addWidget(rail)

        stage = QWidget()
        stage_layout = QVBoxLayout(stage)
        stage_layout.setContentsMargins(28, 22, 28, 22)
        stage_layout.setSpacing(12)
        stage_layout.addLayout(
            _page_header(
                "01",
                "AI 客服工作台",
                "打开即可对话，走本机已配置的 DeepSeek 接口，不远程下载。同一会话会保留上下文。",
            )
        )
        self.chat_scroll = QScrollArea()
        self.chat_scroll.setWidgetResizable(True)
        self.chat_scroll.setFrameShape(QFrame.NoFrame)
        self.chat_scroll.setStyleSheet(
            "QScrollArea{background:#EEF3F0;border:1px solid #DDE7E1;border-radius:16px;}"
            "QScrollArea>QWidget>QWidget{background:#EEF3F0;}"
        )
        self.chat_root = QWidget()
        self.chat_layout = QVBoxLayout(self.chat_root)
        self.chat_layout.setContentsMargins(20, 20, 20, 20)
        self.chat_layout.setSpacing(13)
        self.chat_scroll.setWidget(self.chat_root)
        stage_layout.addWidget(self.chat_scroll, 1)

        composer_row = QHBoxLayout()
        composer_row.setSpacing(10)
        self.composer = QPlainTextEdit()
        self.composer.setObjectName("DeskComposer")
        self.composer.setPlaceholderText("描述你要完成的任务，Agent 会按当前客服人格执行")
        self.composer.installEventFilter(self)
        composer_row.addWidget(self.composer, 1)
        send_col = QVBoxLayout()
        send_col.addStretch(1)
        self.send_button = _button("发送", "primary")
        self.send_button.clicked.connect(self._send)
        send_col.addWidget(self.send_button)
        composer_row.addLayout(send_col)
        stage_layout.addLayout(composer_row)
        self.status_label = _label("Enter 发送，Shift+Enter 换行。", "CardSubtitle")
        stage_layout.addWidget(self.status_label)
        layout.addWidget(stage, 1)

        self.ensure_view()

    def eventFilter(self, watched, event) -> bool:
        if watched is self.composer and event.type() == QEvent.Type.KeyPress:
            if event.key() in (Qt.Key_Return, Qt.Key_Enter) and not (
                event.modifiers() & Qt.ShiftModifier
            ):
                self._send()
                return True
        return super().eventFilter(watched, event)

    def ensure_view(self) -> None:
        from dsh_agent import get_desk

        desk = get_desk()
        self.backend_label.setText(desk.backend_label())
        sessions = desk.list_sessions()
        if not sessions:
            sessions = [desk.create_session()]
        current_id = desk.current_session_id()
        self._reload_session_list(sessions, current_id)
        self._open_session(current_id)

    def focus_view(self) -> None:
        self.composer.setFocus(Qt.OtherFocusReason)

    def reload(self) -> None:
        self.ensure_view()

    def open_external(self) -> None:
        QDesktopServices.openUrl(
            QUrl("https://deepseek-harness.github.io/deepseek-harness/guide/python-sdk")
        )

    def _reload_session_list(self, sessions, current_id: str) -> None:
        self.session_list.blockSignals(True)
        self.session_list.clear()
        current_row = 0
        for index, session in enumerate(sessions):
            item = QListWidgetItem()
            item.setData(Qt.UserRole, session.id)
            item.setSizeHint(QSize(240, 58))
            card = QFrame()
            card.setObjectName("DeskSessionCard")
            card_layout = QVBoxLayout(card)
            card_layout.setContentsMargins(12, 9, 12, 9)
            card_layout.setSpacing(3)
            card_layout.addWidget(_label(session.title or "新对话", "DeskSessionTitle"))
            preview = str(session.preview or "还没有消息").replace("\n", " ")
            if len(preview) > 28:
                preview = preview[:27] + "…"
            card_layout.addWidget(_label(preview, "DeskSessionPreview"))
            self.session_list.addItem(item)
            self.session_list.setItemWidget(item, card)
            if session.id == current_id:
                current_row = index
        if self.session_list.count():
            self.session_list.setCurrentRow(current_row)
        self.session_list.blockSignals(False)

    def _session_changed(self, current: QListWidgetItem | None, _previous=None) -> None:
        if current is None or self._busy:
            return
        session_id = str(current.data(Qt.UserRole) or "")
        if session_id:
            self._open_session(session_id)

    def _new_session(self) -> None:
        if self._busy:
            return
        from dsh_agent import get_desk

        session = get_desk().create_session()
        self.ensure_view()
        self._open_session(session.id)
        self.focus_view()

    def _open_session(self, session_id: str) -> None:
        from dsh_agent import get_desk

        desk = get_desk()
        session = desk.set_current_session(session_id) or desk.get_session(session_id)
        if session is None:
            return
        self._session_id = session.id
        self._render_messages(session.messages)

    def _render_messages(self, messages: list) -> None:
        while self.chat_layout.count():
            item = self.chat_layout.takeAt(0)
            widget = item.widget()
            if widget is not None:
                widget.deleteLater()
        if not messages:
            empty = QWidget()
            empty_layout = QVBoxLayout(empty)
            empty_layout.setAlignment(Qt.AlignCenter)
            empty_layout.addStretch(1)
            empty_layout.addWidget(_label("一个输入框，完成客服起草与对话", "PageTitle"))
            empty_layout.addWidget(
                _label(
                    "复用同一个会话 id 会保留上下文。独立任务请点「开始新对话」。",
                    "PageSubtitle",
                )
            )
            empty_layout.addStretch(1)
            self.chat_layout.addWidget(empty)
        else:
            for message in messages:
                self._add_bubble(message)
            self.chat_layout.addStretch(1)
        QTimer.singleShot(0, self._scroll_to_bottom)

    def _add_bubble(self, message: dict) -> None:
        role = str(message.get("role") or "system").lower()
        names = {"user": "坐席", "assistant": "Agent", "system": "系统"}
        bubble = QFrame()
        bubble.setObjectName(
            {"user": "CustomerBubble", "assistant": "AssistantBubble"}.get(role, "SystemBubble")
        )
        bubble.setMaximumWidth(720)
        bubble_layout = QVBoxLayout(bubble)
        bubble_layout.setContentsMargins(15, 12, 15, 13)
        bubble_layout.setSpacing(6)
        meta = QHBoxLayout()
        meta.addWidget(_label(names.get(role, role), "MessageRole"))
        stamp = message.get("ts")
        if stamp:
            try:
                meta.addWidget(
                    _label(
                        time.strftime("%H:%M", time.localtime(float(stamp))),
                        "MessageTime",
                    )
                )
            except (TypeError, ValueError, OSError):
                pass
        meta.addStretch(1)
        bubble_layout.addLayout(meta)
        content = _label(str(message.get("content") or ""), "MessageContent")
        content.setTextInteractionFlags(Qt.TextSelectableByMouse)
        bubble_layout.addWidget(content)
        holder = QHBoxLayout()
        if role == "user":
            holder.addStretch(1)
            holder.addWidget(bubble, 0, Qt.AlignRight)
        else:
            holder.addWidget(bubble, 0, Qt.AlignLeft)
            holder.addStretch(1)
        wrap = QWidget()
        wrap.setLayout(holder)
        self.chat_layout.addWidget(wrap)

    def _scroll_to_bottom(self) -> None:
        bar = self.chat_scroll.verticalScrollBar()
        bar.setValue(bar.maximum())

    def _send(self) -> None:
        if self._busy:
            return
        prompt = self.composer.toPlainText().strip()
        if not prompt:
            return
        from dsh_agent import get_desk

        desk = get_desk()
        session_id = self._session_id or desk.current_session_id()
        session = desk.get_session(session_id)
        pending = list(session.messages if session is not None else [])
        pending.append({"role": "user", "content": prompt, "ts": time.time()})
        pending.append({"role": "system", "content": "Agent 正在处理当前任务…"})
        self.composer.clear()
        self._busy = True
        self.send_button.setEnabled(False)
        self.new_chat_button.setEnabled(False)
        self.status_label.setText("Agent 正在处理…")
        self._render_messages(pending)

        bridge = _DeskBridge(self)
        self._bridge = bridge
        bridge.finished.connect(self._on_finished)

        def worker() -> None:
            try:
                result = desk.run(prompt, session_id=session_id)
                bridge.finished.emit(session_id, result)
            except Exception as exc:
                bridge.finished.emit(session_id, exc)

        threading.Thread(target=worker, daemon=True, name="dsh-desk-run").start()

    def _on_finished(self, session_id: str, payload) -> None:
        self._busy = False
        self.send_button.setEnabled(True)
        self.new_chat_button.setEnabled(True)
        from dsh_agent import get_desk

        desk = get_desk()
        self.backend_label.setText(desk.backend_label())
        if isinstance(payload, Exception):
            self.status_label.setText(f"任务失败：{payload}")
        else:
            self.status_label.setText("Enter 发送，Shift+Enter 换行。")
        self._reload_session_list(desk.list_sessions(), session_id)
        self._open_session(session_id)
        self.focus_view()


class PortalPage(AgentDeskPage):
    """AI 客服页：本地工作台，打开即可用，不经过 npx 远程下载。"""


class MetricCard(QFrame):
    def __init__(self, label: str, value: str, meta: str):
        super().__init__()
        self.setObjectName("MetricCard")
        layout = QVBoxLayout(self)
        layout.setContentsMargins(19, 17, 19, 17)
        layout.setSpacing(6)
        layout.addWidget(_label(label, "MetricLabel"))
        self.value = _label(value, "MetricValue")
        layout.addWidget(self.value)
        layout.addWidget(_label(meta, "MetricMeta"))


class DashboardPage(QScrollArea):
    startRequested = Signal()
    stopRequested = Signal()
    pageRequested = Signal(int)

    def __init__(self):
        super().__init__()
        self.setObjectName("PageScroll")
        self.setWidgetResizable(True)
        self.setFrameShape(QFrame.NoFrame)
        root = QWidget()
        root.setObjectName("PageRoot")
        self.setWidget(root)
        layout = QVBoxLayout(root)
        layout.setContentsMargins(28, 25, 28, 28)
        layout.setSpacing(18)
        layout.addLayout(
            _page_header(
                "02",
                "自动回复控制台",
                "监控企业微信窗口、AI 决策和客户沉淀状态。",
            )
        )

        hero = QFrame()
        hero.setObjectName("HeroCard")
        hero_layout = QHBoxLayout(hero)
        hero_layout.setContentsMargins(25, 22, 25, 22)
        hero_layout.setSpacing(20)
        status_box = QVBoxLayout()
        status_box.setSpacing(5)
        status_box.addWidget(_label("WECOM LIVE MONITOR", "Eyebrow"))
        self.status = _label("待命", "HeroStatus")
        status_box.addWidget(self.status)
        self.status_hint = _label("确认企业微信已登录后即可启动。", "HeroHint")
        status_box.addWidget(self.status_hint)
        self.timer = _label("运行时长  --:--:--", "CardSubtitle")
        status_box.addWidget(self.timer)
        hero_layout.addLayout(status_box, 1)
        self.hero_button = _button("开始监听", "primary")
        self.hero_button.setMinimumWidth(128)
        self.hero_button.clicked.connect(self.startRequested)
        hero_layout.addWidget(self.hero_button, 0, Qt.AlignVCenter)
        layout.addWidget(hero)

        metrics = QGridLayout()
        metrics.setSpacing(12)
        self.replied = MetricCard("本次已回复", "0", "自动回复数量")
        self.false_pos = MetricCard("识别误判", "0", "已跳过的会话")
        self.registration = MetricCard("待处理登记", "0", "挂号与回访线索")
        self.sessions = MetricCard("会话档案", "0", "已保存上下文")
        for column, card in enumerate(
            (self.replied, self.false_pos, self.registration, self.sessions)
        ):
            metrics.addWidget(card, 0, column)
            metrics.setColumnStretch(column, 1)
        layout.addLayout(metrics)

        workflow, workflow_layout = _card(
            "实际工作流",
            "每一步都映射到当前软件已经具备的执行能力。",
        )
        steps = (
            ("A1", "消息监听", "未读识别 → 会话提取 → 自动回复", 2),
            ("A2", "AI 决策", "上下文记忆 → 医疗客服人格 → MCP 工具", 4),
            ("A3", "业务沉淀", "挂号登记 → 会话档案 → 运行记录", 3),
        )
        for code, title, text, page_index in steps:
            row = QFrame()
            row.setStyleSheet(
                "QFrame{background:#F8FAF9;border:1px solid #E4ECE8;border-radius:11px;}"
            )
            row_layout = QHBoxLayout(row)
            row_layout.setContentsMargins(15, 12, 15, 12)
            badge = _label(code, "Eyebrow")
            badge.setFixedWidth(38)
            row_layout.addWidget(badge)
            copy = QVBoxLayout()
            copy.setSpacing(2)
            copy.addWidget(_label(title, "CardTitle"))
            copy.addWidget(_label(text, "CardSubtitle"))
            row_layout.addLayout(copy, 1)
            action = _button("打开")
            action.clicked.connect(lambda _checked=False, i=page_index: self.pageRequested.emit(i))
            row_layout.addWidget(action)
            workflow_layout.addWidget(row)
        layout.addWidget(workflow)
        layout.addStretch(1)

    def set_status(self, state: str, text: str, hint: str) -> None:
        colors = {
            "running": COLORS["success"],
            "waiting": COLORS["warning"],
            "connecting": COLORS["warning"],
            "error": COLORS["danger"],
            "verification": COLORS["danger"],
            "stopping": COLORS["warning"],
            "stopped": COLORS["ink"],
        }
        self.status.setText(text)
        self.status.setStyleSheet(
            f"color:{colors.get(state, COLORS['ink'])};font-size:30px;font-weight:700;"
        )
        self.status_hint.setText(hint)
        active = state in {"running", "waiting", "connecting", "stopping"}
        self.hero_button.setText("监听运行中" if active else "开始监听")
        self.hero_button.setEnabled(not active)


class SettingsPage(QScrollArea):
    saved = Signal(dict)

    def __init__(self, settings: dict):
        super().__init__()
        self.setObjectName("PageScroll")
        self.setWidgetResizable(True)
        self.setFrameShape(QFrame.NoFrame)
        root = QWidget()
        root.setObjectName("PageRoot")
        self.setWidget(root)
        layout = QVBoxLayout(root)
        layout.setContentsMargins(28, 25, 28, 28)
        layout.setSpacing(18)
        layout.addLayout(_page_header(
            "03",
            "通用设置",
            "修改后自动保存；连续消息合并等待从下一轮回复生效。",
        ))

        runtime, runtime_layout = _card(
            "运行参数", "参数直接参与企业微信监听，不是静态展示。"
        )
        runtime_grid = QGridLayout()
        runtime_grid.setHorizontalSpacing(18)
        runtime_grid.setVerticalSpacing(8)
        runtime_grid.addWidget(_label("固定回复（关闭 AI 时使用）", "CardSubtitle"), 0, 0, 1, 3)
        self.reply = QLineEdit(str(settings["auto_reply_text"]))
        self.reply.setPlaceholderText("请输入固定回复")
        runtime_grid.addWidget(self.reply, 1, 0, 1, 3)
        runtime_grid.addWidget(_label("轮询间隔（秒）", "CardSubtitle"), 2, 0)
        runtime_grid.addWidget(_label("鼠标静止等待（秒）", "CardSubtitle"), 2, 1)
        runtime_grid.addWidget(_label("连续消息合并等待（秒）", "CardSubtitle"), 2, 2)
        self.poll = QDoubleSpinBox()
        self.poll.setRange(0.2, 300.0)
        self.poll.setDecimals(1)
        self.poll.setValue(float(settings["poll_interval"]))
        self.idle_seconds = QDoubleSpinBox()
        self.idle_seconds.setRange(0.0, 3600.0)
        self.idle_seconds.setDecimals(1)
        self.idle_seconds.setValue(float(settings["mouse_idle_seconds"]))
        self.batch_window = QDoubleSpinBox()
        self.batch_window.setRange(
            float(MESSAGE_BATCH_WINDOW_MIN_SECONDS),
            float(MESSAGE_BATCH_WINDOW_MAX_SECONDS),
        )
        self.batch_window.setDecimals(1)
        self.batch_window.setSingleStep(1.0)
        self.batch_window.setValue(float(settings["message_batch_window_seconds"]))
        self.batch_window.setToolTip(
            "同一客户连续发送多条消息时，等待后合并为一次回复；默认 20 秒。"
        )
        runtime_grid.addWidget(self.poll, 3, 0)
        runtime_grid.addWidget(self.idle_seconds, 3, 1)
        runtime_grid.addWidget(self.batch_window, 3, 2)
        runtime_grid.setColumnStretch(0, 1)
        runtime_grid.setColumnStretch(1, 1)
        runtime_grid.setColumnStretch(2, 1)
        runtime_grid.addWidget(
            _label(
                "同一客户的连续消息会在该窗口内合并为一次回复（1–120 秒，默认 20 秒）。",
                "CardSubtitle",
            ),
            4,
            0,
            1,
            3,
        )
        runtime_layout.addLayout(runtime_grid)
        self.save_status = _label("已加载保存配置", "SuccessText")
        self.save_status.setAlignment(Qt.AlignRight)
        runtime_layout.addWidget(self.save_status)
        layout.addWidget(runtime)

        safety, safety_layout = _card(
            "人机共存",
            "检测到用户正在操作时自动等待，避免与人工客服争抢鼠标。",
        )
        self.mouse_idle = QCheckBox("启用鼠标空闲检测")
        self.mouse_idle.setChecked(bool(settings["mouse_idle_enabled"]))
        safety_layout.addWidget(self.mouse_idle)
        safety_layout.addWidget(
            _label(
                "企业微信未显示或最小化时，机器人会尝试还原到前台；本轮未就绪会暂停并自动重试。",
                "CardSubtitle",
            )
        )
        layout.addWidget(safety)

        checks, checks_layout = _card("启动前检查")
        for index, text in enumerate(
            (
                "企业微信 PC 端已登录，且账号状态正常。",
                "软件启动时会自动获取云端 AI 配置，无需本机填写模型参数。",
                "双屏环境可以使用不同缩放比例，Qt 会跟随当前屏幕自动缩放。",
            ),
            start=1,
        ):
            row = QHBoxLayout()
            badge = _label(f"{index:02d}", "Eyebrow")
            badge.setFixedWidth(32)
            row.addWidget(badge)
            row.addWidget(_label(text, "CardSubtitle"), 1)
            checks_layout.addLayout(row)
        layout.addWidget(checks)
        layout.addStretch(1)

        self.save_timer = QTimer(self)
        self.save_timer.setSingleShot(True)
        self.save_timer.setInterval(500)
        self.save_timer.timeout.connect(self._emit_save)
        self.reply.textChanged.connect(self._schedule_save)
        self.poll.valueChanged.connect(self._schedule_save)
        self.idle_seconds.valueChanged.connect(self._schedule_save)
        self.batch_window.valueChanged.connect(self._schedule_save)
        self.mouse_idle.toggled.connect(self._schedule_save)

    def values(self) -> dict:
        return {
            "auto_reply_text": self.reply.text().strip() or "在的，您慢慢说，我这边看着呢。",
            "poll_interval": self.poll.value(),
            "mouse_idle_enabled": self.mouse_idle.isChecked(),
            "mouse_idle_seconds": self.idle_seconds.value(),
            "message_batch_window_seconds": float(self.batch_window.value()),
        }

    def _schedule_save(self, *_args) -> None:
        self.save_status.setText("正在保存…")
        self.save_status.setObjectName("WarningText")
        self.save_status.style().unpolish(self.save_status)
        self.save_status.style().polish(self.save_status)
        self.save_timer.start()

    def _emit_save(self) -> None:
        self.saved.emit(self.values())

    def mark_saved(self, ok: bool, message: str) -> None:
        self.save_status.setText(message)
        self.save_status.setObjectName("SuccessText" if ok else "DangerText")
        self.save_status.style().unpolish(self.save_status)
        self.save_status.style().polish(self.save_status)


class SessionDetailDialog(QDialog):
    def __init__(
        self,
        session_id: str,
        history: list[dict],
        last_lines: list[str],
        parent: QWidget | None = None,
    ):
        super().__init__(parent)
        self.setObjectName("SessionDetailDialog")
        self.setWindowTitle("客户会话记录")
        self.setModal(True)
        self.resize(920, 720)
        self.setMinimumSize(700, 520)
        self.session_id = session_id
        self.history = history
        self.last_lines = last_lines

        layout = QVBoxLayout(self)
        layout.setContentsMargins(24, 22, 24, 20)
        layout.setSpacing(16)

        header = QHBoxLayout()
        title_box = QVBoxLayout()
        title_box.setSpacing(4)
        title_box.addWidget(_label("客户会话记录", "PageTitle"))
        title_box.addWidget(
            _label(
                f"会话 ID  {session_id}  ·  共 {len(history)} 条消息",
                "PageSubtitle",
            )
        )
        header.addLayout(title_box, 1)
        copy_button = _button("复制全部记录")
        copy_button.clicked.connect(self._copy_all)
        header.addWidget(copy_button, 0, Qt.AlignBottom)
        layout.addLayout(header)

        scroll = QScrollArea()
        scroll.setWidgetResizable(True)
        scroll.setFrameShape(QFrame.NoFrame)
        scroll.setStyleSheet(
            "QScrollArea{background:#EEF3F0;border:1px solid #DDE7E1;border-radius:15px;}"
            "QScrollArea>QWidget>QWidget{background:#EEF3F0;}"
        )
        message_root = QWidget()
        message_layout = QVBoxLayout(message_root)
        message_layout.setContentsMargins(20, 20, 20, 20)
        message_layout.setSpacing(13)
        scroll.setWidget(message_root)

        if history:
            for message in history:
                self._add_message(message_layout, message)
        elif last_lines:
            self._add_message(
                message_layout,
                {
                    "role": "system",
                    "content": "仅保留了最近画面快照：\n\n" + "\n".join(last_lines),
                    "ts": None,
                },
            )
        else:
            empty = _label("这份会话档案暂时没有可显示的消息。", "PageSubtitle")
            empty.setAlignment(Qt.AlignCenter)
            message_layout.addWidget(empty)
        message_layout.addStretch(1)
        layout.addWidget(scroll, 1)

        footer = QHBoxLayout()
        footer.addWidget(_label("按时间顺序展示已保存的客户与客服消息。", "CardSubtitle"), 1)
        close_button = _button("关闭")
        close_button.clicked.connect(self.accept)
        footer.addWidget(close_button)
        layout.addLayout(footer)
        QTimer.singleShot(0, lambda: scroll.verticalScrollBar().setValue(0))

    @staticmethod
    def _message_time(value) -> str:
        try:
            return time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(float(value)))
        except (TypeError, ValueError, OSError):
            return ""

    def _add_message(self, parent: QVBoxLayout, message: dict) -> None:
        role = str(message.get("role") or "system").lower()
        role_name = {"user": "客户", "assistant": "客服", "system": "系统记录"}.get(
            role, role
        )
        bubble_name = {
            "user": "CustomerBubble",
            "assistant": "AssistantBubble",
        }.get(role, "SystemBubble")
        bubble = QFrame()
        bubble.setObjectName(bubble_name)
        bubble.setMaximumWidth(690)
        bubble_layout = QVBoxLayout(bubble)
        bubble_layout.setContentsMargins(15, 12, 15, 13)
        bubble_layout.setSpacing(6)
        meta = QHBoxLayout()
        meta.setSpacing(10)
        meta.addWidget(_label(role_name, "MessageRole"))
        stamp = self._message_time(message.get("ts"))
        if stamp:
            meta.addWidget(_label(stamp, "MessageTime"))
        meta.addStretch(1)
        bubble_layout.addLayout(meta)
        content = _label(str(message.get("content") or ""), "MessageContent")
        content.setTextInteractionFlags(Qt.TextSelectableByMouse)
        content.setMinimumWidth(260)
        bubble_layout.addWidget(content)
        self._add_snapshot(bubble_layout, message)

        row = QHBoxLayout()
        row.setContentsMargins(0, 0, 0, 0)
        if role == "assistant":
            row.addStretch(1)
            row.addWidget(bubble)
        elif role == "system":
            row.addStretch(1)
            row.addWidget(bubble)
            row.addStretch(1)
        else:
            row.addWidget(bubble)
            row.addStretch(1)
        parent.addLayout(row)

    # 气泡最宽 690，留出左右内边距后图片可用的宽度
    _SNAPSHOT_MAX_WIDTH = 640
    _SNAPSHOT_MAX_HEIGHT = 420

    @staticmethod
    def _snapshot_path(message: dict) -> str:
        """把档案里的文件名还原成 media 目录下的绝对路径。

        存文件名而不是绝对路径，是为了档案换台机器打开也还能对上。
        """
        name = str(message.get("image") or "").strip()
        if not name or os.path.basename(name) != name:
            return ""
        path = os.path.join(str(SCRIPT_DIR), "media", name)
        return path if os.path.exists(path) else ""

    def _add_snapshot(self, bubble_layout: QVBoxLayout, message: dict) -> None:
        """客户发来图片/表情时，把当时的聊天画面贴在这条消息下面。

        企微的图片没有可复制的文本，档案里只能写「（客户发来图片）」这样的占位；
        光看这行字事后完全不知道客户发了什么。留存的是那一刻的整块聊天画面，
        不是抠出来的单张图，所以标注清楚免得看的人误会。
        """
        path = self._snapshot_path(message)
        if not path:
            return
        pixmap = QPixmap(path)
        if pixmap.isNull():
            return
        if (
            pixmap.width() > self._SNAPSHOT_MAX_WIDTH
            or pixmap.height() > self._SNAPSHOT_MAX_HEIGHT
        ):
            pixmap = pixmap.scaled(
                self._SNAPSHOT_MAX_WIDTH,
                self._SNAPSHOT_MAX_HEIGHT,
                Qt.KeepAspectRatio,
                Qt.SmoothTransformation,
            )
        caption = _label("客户发来消息时的聊天画面", "MessageTime")
        bubble_layout.addWidget(caption)
        view = QLabel()
        view.setPixmap(pixmap)
        view.setStyleSheet("border:1px solid #DDE7E1;border-radius:8px;")
        view.setCursor(Qt.PointingHandCursor)
        view.setToolTip("点击用系统看图工具打开原图")
        view.mouseReleaseEvent = lambda _event, target=path: QDesktopServices.openUrl(
            QUrl.fromLocalFile(target)
        )
        bubble_layout.addWidget(view)

    def _copy_all(self) -> None:
        lines = [f"客户会话记录\n会话 ID：{self.session_id}\n"]
        role_names = {"user": "客户", "assistant": "客服", "system": "系统记录"}
        if self.history:
            for message in self.history:
                role = str(message.get("role") or "system").lower()
                name = role_names.get(role, role)
                stamp = self._message_time(message.get("ts"))
                heading = f"[{stamp}] {name}" if stamp else name
                body = str(message.get("content") or "")
                snapshot = self._snapshot_path(message)
                if snapshot:
                    body = f"{body}\n[聊天画面] {snapshot}"
                lines.append(f"{heading}\n{body}")
        elif self.last_lines:
            lines.append("系统记录\n" + "\n".join(self.last_lines))
        QApplication.clipboard().setText("\n\n".join(lines))


class BusinessPage(QScrollArea):
    logMessage = Signal(str, str)

    def __init__(self):
        super().__init__()
        self.setObjectName("PageScroll")
        self.setWidgetResizable(True)
        self.setFrameShape(QFrame.NoFrame)
        root = QWidget()
        root.setObjectName("PageRoot")
        self.setWidget(root)
        layout = QVBoxLayout(root)
        layout.setContentsMargins(28, 25, 28, 28)
        layout.setSpacing(18)

        header = QHBoxLayout()
        header.addLayout(_page_header("04", "业务数据", "管理挂号线索与客户会话档案。"), 1)
        refresh = _button("刷新数据")
        refresh.clicked.connect(self.refresh_data)
        header.addWidget(refresh, 0, Qt.AlignBottom)
        layout.addLayout(header)

        summary = QGridLayout()
        summary.setSpacing(12)
        self.registration_metric = MetricCard("待处理登记", "0", "需要人工跟进")
        self.session_metric = MetricCard("会话档案", "0", "长期上下文记录")
        summary.addWidget(self.registration_metric, 0, 0)
        summary.addWidget(self.session_metric, 0, 1)
        summary.setColumnStretch(0, 1)
        summary.setColumnStretch(1, 1)
        layout.addLayout(summary)

        registrations, registrations_layout = _card(
            "挂号与回访登记", "AI 识别出的明确挂号意向会沉淀在这里。"
        )
        self.registration_table = self._table(
            ["最近更新", "微信客户", "症状 / 诉求", "状态"]
        )
        registrations_layout.addWidget(self.registration_table)
        registration_actions = QHBoxLayout()
        registration_actions.addStretch(1)
        done = _button("标记已联系", "primary")
        done.clicked.connect(self._mark_registration_done)
        delete = _button("删除所选", "danger")
        delete.clicked.connect(self._delete_registrations)
        registration_actions.addWidget(done)
        registration_actions.addWidget(delete)
        registrations_layout.addLayout(registration_actions)
        layout.addWidget(registrations)

        sessions, sessions_layout = _card(
            "客户会话档案",
            "机器人重启后仍可继续使用已保存的上下文；双击任意一行查看完整记录。",
        )
        self.session_table = self._table(["最近更新", "会话 ID", "消息数", "内容预览"])
        self.session_table.setToolTip("双击任意会话查看完整记录")
        self.session_table.cellDoubleClicked.connect(self._open_session_detail)
        sessions_layout.addWidget(self.session_table)
        session_actions = QHBoxLayout()
        session_actions.addStretch(1)
        view_session = _button("查看记录", "primary")
        view_session.clicked.connect(self._open_selected_session)
        delete_session = _button("删除所选", "danger")
        delete_session.clicked.connect(self._delete_sessions)
        session_actions.addWidget(view_session)
        session_actions.addWidget(delete_session)
        sessions_layout.addLayout(session_actions)
        layout.addWidget(sessions)
        layout.addStretch(1)
        self.refresh_data()

    @staticmethod
    def _table(headers: list[str]) -> QTableWidget:
        table = QTableWidget(0, len(headers))
        table.setHorizontalHeaderLabels(headers)
        table.setSelectionBehavior(QAbstractItemView.SelectRows)
        table.setSelectionMode(QAbstractItemView.ExtendedSelection)
        table.setEditTriggers(QAbstractItemView.NoEditTriggers)
        table.setAlternatingRowColors(True)
        table.verticalHeader().hide()
        table.verticalHeader().setDefaultSectionSize(42)
        table.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
        table.horizontalHeader().setStretchLastSection(True)
        table.setMinimumHeight(230)
        return table

    @staticmethod
    def _time_text(value) -> str:
        try:
            return time.strftime("%Y-%m-%d %H:%M", time.localtime(float(value)))
        except (TypeError, ValueError, OSError):
            return "--"

    @staticmethod
    def _selected_ids(table: QTableWidget) -> list[str]:
        rows = sorted({index.row() for index in table.selectionModel().selectedRows()})
        ids = []
        for row in rows:
            item = table.item(row, 0)
            if item:
                ids.append(str(item.data(Qt.UserRole) or ""))
        return [item for item in ids if item]

    def refresh_data(self) -> None:
        try:
            from registration_store import RegistrationStore

            self.registration_store = RegistrationStore()
            leads = self.registration_store.list_leads(include_done=True)
        except Exception as exc:
            leads = []
            self.logMessage.emit(f"读取挂号登记失败：{exc}", "err")
        status_map = {"pending_symptom": "待补症状", "booked": "待联系", "done": "已联系"}
        self.registration_table.setRowCount(len(leads))
        for row, lead in enumerate(leads):
            values = (
                self._time_text(lead.get("updated")),
                lead.get("contact") or "未知客户",
                (lead.get("symptom") or "待补充").replace("\n", " "),
                status_map.get(lead.get("status"), lead.get("status") or "--"),
            )
            for column, value in enumerate(values):
                item = QTableWidgetItem(str(value))
                if column == 0:
                    item.setData(Qt.UserRole, lead.get("id"))
                self.registration_table.setItem(row, column, item)
        pending = sum(1 for item in leads if item.get("status") in {"pending_symptom", "booked"})
        self.registration_metric.value.setText(str(pending))

        try:
            from conversation_store import ConversationStore

            self.conversation_store = ConversationStore(str(SCRIPT_DIR / "conversations.json"))
            sessions = self.conversation_store.list_sessions(limit=500)
        except Exception as exc:
            sessions = []
            self.logMessage.emit(f"读取会话档案失败：{exc}", "err")
        self.session_table.setRowCount(len(sessions))
        for row, session in enumerate(sessions):
            values = (
                self._time_text(session.get("updated")),
                session.get("session_id") or "--",
                session.get("message_count") or 0,
                session.get("preview") or "--",
            )
            for column, value in enumerate(values):
                item = QTableWidgetItem(str(value))
                if column == 0:
                    item.setData(Qt.UserRole, session.get("session_id"))
                self.session_table.setItem(row, column, item)
        self.session_metric.value.setText(str(len(sessions)))

    def _mark_registration_done(self) -> None:
        ids = self._selected_ids(self.registration_table)
        if not ids:
            QMessageBox.information(self, "提示", "请先选择登记记录。")
            return
        count = self.registration_store.set_status_many(ids, "done")
        self.logMessage.emit(f"已将 {count} 条登记标记为已联系", "ok")
        self.refresh_data()

    def _delete_registrations(self) -> None:
        ids = self._selected_ids(self.registration_table)
        if not ids:
            QMessageBox.information(self, "提示", "请先选择要删除的登记。")
            return
        if QMessageBox.question(self, "确认删除", f"确定删除选中的 {len(ids)} 条登记吗？") != QMessageBox.Yes:
            return
        count = self.registration_store.delete_many(ids)
        self.logMessage.emit(f"已删除 {count} 条挂号登记", "warn")
        self.refresh_data()

    def _delete_sessions(self) -> None:
        ids = self._selected_ids(self.session_table)
        if not ids:
            QMessageBox.information(self, "提示", "请先选择要删除的会话档案。")
            return
        if QMessageBox.question(self, "确认删除", f"确定删除选中的 {len(ids)} 份档案吗？") != QMessageBox.Yes:
            return
        count = sum(1 for session_id in ids if self.conversation_store.delete(session_id))
        self.logMessage.emit(f"已删除 {count} 份会话档案", "warn")
        self.refresh_data()

    def _open_selected_session(self) -> None:
        rows = self.session_table.selectionModel().selectedRows()
        if not rows:
            QMessageBox.information(self, "提示", "请先选择要查看的会话档案。")
            return
        self._open_session_detail(rows[0].row(), 0)

    def _open_session_detail(self, row: int, _column: int) -> None:
        id_item = self.session_table.item(row, 0)
        session_id = str(id_item.data(Qt.UserRole) or "") if id_item else ""
        if not session_id:
            QMessageBox.warning(self, "无法打开", "未找到这条会话的 ID。")
            return
        try:
            history = list(self.conversation_store.history(session_id))
            last_lines = list(self.conversation_store.last_lines(session_id))
        except Exception as exc:
            QMessageBox.critical(self, "无法读取会话", str(exc))
            return
        SessionDetailDialog(session_id, history, last_lines, self).exec()


class BackendLoginDialog(QDialog):
    completed = Signal(bool, str)

    def __init__(self, parent: QWidget | None = None):
        super().__init__(parent)
        self.setWindowTitle("登录配置后台")
        self.setObjectName("SessionDetailDialog")
        self.setModal(True)
        self.setMinimumWidth(480)
        layout = QVBoxLayout(self)
        layout.setContentsMargins(26, 24, 26, 24)
        layout.setSpacing(14)
        layout.addWidget(_label("登录配置后台", "CardTitle"))
        layout.addWidget(
            _label("登录成功后，模型与 MCP 参数会自动同步到当前电脑。", "CardSubtitle")
        )

        import backend_client

        settings = backend_client.load_settings()
        layout.addWidget(_label("后台地址", "CardSubtitle"))
        self.server_url = QLineEdit(settings.get("server_url", backend_client.DEFAULT_SERVER_URL))
        self.server_url.setPlaceholderText("http://127.0.0.1:8765")
        layout.addWidget(self.server_url)
        layout.addWidget(_label("用户名", "CardSubtitle"))
        self.username = QLineEdit(settings.get("username", ""))
        self.username.setPlaceholderText("请输入后台用户名")
        layout.addWidget(self.username)
        layout.addWidget(_label("密码", "CardSubtitle"))
        self.password = QLineEdit()
        self.password.setEchoMode(QLineEdit.Password)
        self.password.setPlaceholderText("密码不会保存在本地")
        self.password.returnPressed.connect(self.submit)
        layout.addWidget(self.password)
        self.auto_sync = QCheckBox("启动及运行期间自动同步")
        self.auto_sync.setChecked(bool(settings.get("auto_sync", True)))
        layout.addWidget(self.auto_sync)
        self.status = _label("", "DangerText")
        self.status.setWordWrap(True)
        layout.addWidget(self.status)
        actions = QHBoxLayout()
        actions.addStretch(1)
        cancel = _button("取消")
        cancel.clicked.connect(self.reject)
        actions.addWidget(cancel)
        self.login_button = _button("登录并同步", "primary")
        self.login_button.clicked.connect(self.submit)
        actions.addWidget(self.login_button)
        layout.addLayout(actions)
        self.completed.connect(self._finished)

    def submit(self) -> None:
        if not self.server_url.text().strip() or not self.username.text().strip() or not self.password.text():
            self.status.setText("请填写后台地址、用户名和密码")
            return
        self.login_button.setEnabled(False)
        self.status.setObjectName("WarningText")
        self.status.setText("正在登录并获取模型配置…")
        self.status.style().unpolish(self.status)
        self.status.style().polish(self.status)
        server_url = self.server_url.text().strip()
        username = self.username.text().strip()
        password = self.password.text()
        auto_sync = self.auto_sync.isChecked()

        def worker() -> None:
            try:
                import backend_client

                backend_client.login(server_url, username, password, auto_sync=auto_sync)
                result = backend_client.sync_config(force=True)
                message = str(result.get("message") or "登录并同步成功")
            except Exception as exc:
                self.completed.emit(False, str(exc))
            else:
                self.completed.emit(True, message)

        threading.Thread(target=worker, daemon=True).start()

    def _finished(self, ok: bool, message: str) -> None:
        self.login_button.setEnabled(True)
        self.status.setObjectName("SuccessText" if ok else "DangerText")
        self.status.setText(message)
        self.status.style().unpolish(self.status)
        self.status.style().polish(self.status)
        if ok:
            QTimer.singleShot(250, self.accept)


class PersonaPage(QScrollArea):
    saved = Signal(bool, str)
    cloudSyncFinished = Signal(bool, str)

    def __init__(self):
        super().__init__()
        self.setObjectName("PageScroll")
        self.setWidgetResizable(True)
        self.setFrameShape(QFrame.NoFrame)
        root = QWidget()
        root.setObjectName("PageRoot")
        self.setWidget(root)
        layout = QVBoxLayout(root)
        layout.setContentsMargins(28, 25, 28, 28)
        layout.setSpacing(18)
        layout.addLayout(
            _page_header(
                "05",
                "AI 人格与能力",
                "模型与能力由云端统一管理，本机仅保留客服身份偏好。",
            )
        )

        import ai_config

        identity, identity_layout = _card(
            "客服与回复",
            "客服名称留空时自动采用云端名称；填写后优先使用本机名称。",
        )
        form = QGridLayout()
        form.setHorizontalSpacing(18)
        form.setVerticalSpacing(8)
        self.agent_name = self._field(
            form,
            0,
            0,
            "本机客服名称（可留空）",
            ai_config.local_agent_name_override(),
            1,
            2,
        )
        self.agent_name.setPlaceholderText(
            f"云端客服名称：{ai_config.AI_CLOUD_AGENT_NAME}"
        )
        self.rounds = QSpinBox()
        self.rounds.setRange(1, 50)
        self.rounds.setValue(int(ai_config.AI_CONTEXT_MAX_ROUNDS))
        self.max_tokens = QSpinBox()
        self.max_tokens.setRange(50, 32000)
        self.max_tokens.setValue(int(ai_config.AI_MAX_TOKENS))
        self.temperature = QDoubleSpinBox()
        self.temperature.setRange(0.0, 2.0)
        self.temperature.setSingleStep(0.05)
        self.temperature.setValue(float(ai_config.AI_TEMPERATURE))
        form.addWidget(_label("上下文轮数", "CardSubtitle"), 2, 0)
        form.addWidget(_label("最大回复 tokens", "CardSubtitle"), 2, 1)
        form.addWidget(self.rounds, 3, 0)
        form.addWidget(self.max_tokens, 3, 1)
        form.addWidget(_label("温度", "CardSubtitle"), 4, 0)
        form.addWidget(self.temperature, 5, 0)
        form.setColumnStretch(0, 1)
        form.setColumnStretch(1, 1)
        identity_layout.addLayout(form)
        layout.addWidget(identity)

        mcp, mcp_layout = _card("MCP 服务器", "填写服务器 JSON 数组，配置将与 AI 能力一起保存。")
        self.mcp_json = QPlainTextEdit()
        self.mcp_json.setMinimumHeight(160)
        self.mcp_json.setPlainText(
            json.dumps(getattr(ai_config, "AI_MCP_SERVERS", []) or [], ensure_ascii=False, indent=2)
        )
        mcp_layout.addWidget(self.mcp_json)
        mcp_row = QHBoxLayout()
        mcp_row.addWidget(_label("单次回复最多工具轮数", "CardSubtitle"))
        self.mcp_rounds = QSpinBox()
        self.mcp_rounds.setRange(1, 20)
        self.mcp_rounds.setValue(int(getattr(ai_config, "AI_MCP_MAX_ROUNDS", 5)))
        mcp_row.addWidget(self.mcp_rounds)
        mcp_row.addStretch(1)
        mcp_layout.addLayout(mcp_row)
        layout.addWidget(mcp)

        actions = QHBoxLayout()
        self.save_status = _label("", "SuccessText")
        actions.addWidget(self.save_status, 1)
        self.save_button = _button("保存本地偏好", "primary")
        self.save_button.clicked.connect(self.save_config)
        actions.addWidget(self.save_button)
        layout.addLayout(actions)
        layout.addStretch(1)
        self._cloud_sync_running = False
        self._cloud_sync_silent = False
        self.cloudSyncFinished.connect(self._cloud_sync_finished)

    @staticmethod
    def _field(
        layout: QGridLayout,
        row: int,
        column: int,
        title: str,
        value,
        row_span: int = 1,
        column_span: int = 1,
    ) -> QLineEdit:
        layout.addWidget(_label(title, "CardSubtitle"), row, column, 1, column_span)
        field = QLineEdit(str(value or ""))
        layout.addWidget(field, row + 1, column, row_span, column_span)
        return field

    def save_config(self) -> None:
        try:
            servers = json.loads(self.mcp_json.toPlainText().strip() or "[]")
            if not isinstance(servers, list):
                raise ValueError("MCP JSON 根节点必须是数组")
            import ai_config

            ai_config.set_local_agent_name_override(self.agent_name.text().strip())
            ai_config.AI_CONTEXT_MAX_ROUNDS = self.rounds.value()
            ai_config.AI_MAX_TOKENS = self.max_tokens.value()
            ai_config.AI_TEMPERATURE = self.temperature.value()
            ai_config.AI_MCP_SERVERS = servers
            ai_config.AI_MCP_MAX_ROUNDS = self.mcp_rounds.value()
            ai_config.AI_SYSTEM_PROMPT = ai_config.build_system_prompt()
            ai_config.save_settings()
        except Exception as exc:
            self.save_status.setText(f"保存失败：{exc}")
            self.save_status.setObjectName("DangerText")
            self.saved.emit(False, str(exc))
        else:
            self.save_status.setText("本地偏好已保存并立即生效")
            self.save_status.setObjectName("SuccessText")
            self.saved.emit(True, "AI 本地偏好已保存并生效")
        self.save_status.style().unpolish(self.save_status)
        self.save_status.style().polish(self.save_status)

    def sync_from_cloud(self, *, silent: bool = True) -> None:
        if self._cloud_sync_running:
            return
        self._cloud_sync_running = True
        self._cloud_sync_silent = silent

        def worker() -> None:
            try:
                import backend_client

                result = backend_client.sync_cloud_config()
                message = str(result.get("message") or "云端配置同步完成")
                diagnostics = [str(item) for item in result.get("diagnostics") or []]
                if diagnostics:
                    message += "\n" + "\n".join(diagnostics)
            except Exception as exc:
                self.cloudSyncFinished.emit(False, str(exc))
            else:
                self.cloudSyncFinished.emit(True, message)

        threading.Thread(target=worker, daemon=True).start()

    def _cloud_sync_finished(self, ok: bool, message: str) -> None:
        silent = self._cloud_sync_silent
        self._cloud_sync_running = False
        if ok:
            self.reload_from_ai_config()
        if not silent or not ok or "[开发模式]" in message:
            self.saved.emit(ok, message if ok else f"云端配置同步失败：{message}")

    def reload_from_ai_config(self) -> None:
        import ai_config

        self.agent_name.setText(ai_config.local_agent_name_override())
        self.agent_name.setPlaceholderText(
            f"云端客服名称：{ai_config.AI_CLOUD_AGENT_NAME}"
        )
        self.rounds.setValue(int(ai_config.AI_CONTEXT_MAX_ROUNDS))
        self.max_tokens.setValue(int(ai_config.AI_MAX_TOKENS))
        self.temperature.setValue(float(ai_config.AI_TEMPERATURE))
        self.mcp_json.setPlainText(
            json.dumps(getattr(ai_config, "AI_MCP_SERVERS", []) or [], ensure_ascii=False, indent=2)
        )
        self.mcp_rounds.setValue(int(getattr(ai_config, "AI_MCP_MAX_ROUNDS", 5)))


class QueuePage(QScrollArea):
    """回复队列：现在还欠谁一条回复，以及每个任务都经历了什么。

    队列本身只存"未完成"的任务，做完就删，什么痕迹都不留。出问题时——某个客户
    没收到回复、同一句话回了三遍——事后完全看不出它经历过什么。执行记录补的
    就是这条时间线。
    """

    logMessage = Signal(str, str)
    deleteTasksRequested = Signal(object)

    EVENT_COLORS = {
        "视觉识别": COLORS["accent_dark"],
        "入队": COLORS["accent_dark"],
        "开始处理": COLORS["ink"],
        "调用模型": COLORS["accent_dark"],
        "生成回复": COLORS["ink"],
        "已发送": COLORS["success"],
        "完成": COLORS["success"],
        "对账": COLORS["muted"],
        "页面诊断": COLORS["muted"],
        "发送待核对": COLORS["warning"],
        "跳过": COLORS["warning"],
        "失败": COLORS["danger"],
    }

    STAGE_LABELS = {
        "queued": "等待处理",
        "opening": "正在视觉定位",
        "reading": "正在读取消息",
        "collecting": "正在合并消息",
        "generating": "正在生成回复",
        "ready_to_send": "等待发送",
        "sending": "正在发送",
        "receipt_check": "正在核对回执",
        "retry_wait": "重试等待",
        "blocked_modal": "弹窗阻塞",
        "call_paused": "视频/通话暂停",
        "manual_takeover": "人工接管",
        "uncertain": "发送待核对",
    }

    def __init__(self):
        super().__init__()
        self.setObjectName("PageScroll")
        self.setWidgetResizable(True)
        self.setFrameShape(QFrame.NoFrame)
        root = QWidget()
        root.setObjectName("PageRoot")
        self.setWidget(root)
        layout = QVBoxLayout(root)
        layout.setContentsMargins(28, 25, 28, 28)
        layout.setSpacing(18)

        header = QHBoxLayout()
        header.addLayout(
            _page_header("06", "回复队列", "排队等回复的会话，以及每个任务的执行流水。"),
            1,
        )
        refresh = _button("刷新")
        refresh.clicked.connect(self.refresh_data)
        header.addWidget(refresh, 0, Qt.AlignBottom)
        layout.addLayout(header)

        summary = QGridLayout()
        summary.setSpacing(12)
        self.waiting_metric = MetricCard("排队中", "0", "等待回复的会话")
        self.sent_metric = MetricCard("今日已回", "0", "成功发出的回复")
        self.failed_metric = MetricCard("今日失败", "0", "发送未成功，会自动重试")
        for column, card in enumerate(
            (self.waiting_metric, self.sent_metric, self.failed_metric)
        ):
            summary.addWidget(card, 0, column)
            summary.setColumnStretch(column, 1)
        layout.addLayout(summary)

        vision_card, vision_layout = _card(
            "实时视觉监控",
            "红框是客户未读，橙框是已排除的系统入口，蓝框是当前会话；模型生成期间仍会只读识别新消息。",
        )
        self.vision_status = _label("尚未收到视觉画面", "CardSubtitle")
        self.vision_status.setWordWrap(True)
        vision_layout.addWidget(self.vision_status)
        self.vision_preview = QLabel("开始监听后，这里会显示企业微信会话列表的实时识别画面")
        self.vision_preview.setAlignment(Qt.AlignCenter)
        self.vision_preview.setMinimumHeight(260)
        self.vision_preview.setStyleSheet(
            f"background:{COLORS['surface_alt']};border:1px solid {COLORS['line']};"
            f"border-radius:8px;color:{COLORS['muted']};padding:8px;"
        )
        vision_layout.addWidget(self.vision_preview)
        layout.addWidget(vision_card)

        queue_card, queue_layout = _card(
            "当前队列",
            "按进入顺序排队，一次只服务一个会话，聊天内容互不串扰。",
        )
        self._running = False
        self.queue_notice = _label("", "CardSubtitle")
        self.queue_notice.setStyleSheet(
            f"color:{COLORS['warning']};background:#FFF7E8;"
            "border-radius:6px;padding:7px 10px;"
        )
        self.queue_notice.hide()
        queue_layout.addWidget(self.queue_notice)
        self.queue_table = self._table(
            ["排队", "客户", "状态", "等待时长", "阶段耗时", "重试", "结果/原因", "会话 ID"]
        )
        queue_layout.addWidget(self.queue_table)
        queue_actions = QHBoxLayout()
        queue_actions.addStretch(1)
        self.delete_queue_button = _button("删除所选任务", "danger")
        self.delete_queue_button.setToolTip("取消并删除所选未完成回复，不会删除会话档案和执行记录")
        self.delete_queue_button.clicked.connect(self._request_delete_selected)
        queue_actions.addWidget(self.delete_queue_button)
        queue_layout.addLayout(queue_actions)
        layout.addWidget(queue_card)

        history_card, history_layout = _card(
            "执行记录",
            "每个任务从入队到完成的每一步，最新的排在最上面。",
        )
        self.history_table = self._table(["时间", "客户", "动作", "内容"])
        history_layout.addWidget(self.history_table)
        history_actions = QHBoxLayout()
        history_actions.addStretch(1)
        clear = _button("清空记录", "danger")
        clear.clicked.connect(self._clear_history)
        history_actions.addWidget(clear)
        history_layout.addLayout(history_actions)
        layout.addWidget(history_card)
        layout.addStretch(1)
        self.refresh_data()

    @staticmethod
    def _table(headers: list[str]) -> QTableWidget:
        table = QTableWidget(0, len(headers))
        table.setHorizontalHeaderLabels(headers)
        table.setSelectionBehavior(QAbstractItemView.SelectRows)
        table.setSelectionMode(QAbstractItemView.ExtendedSelection)
        table.setEditTriggers(QAbstractItemView.NoEditTriggers)
        table.setAlternatingRowColors(True)
        table.verticalHeader().hide()
        table.verticalHeader().setDefaultSectionSize(38)
        table.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
        table.horizontalHeader().setStretchLastSection(True)
        table.setMinimumHeight(220)
        return table

    def set_running(self, running: bool) -> None:
        """监听是否在跑。停着的时候队列里的等待时长会一直涨，不说明白会被当成卡死。"""
        self._running = bool(running)
        self._refresh_notice()

    def _refresh_notice(self) -> None:
        waiting = self.queue_table.rowCount() if self.queue_table.item(0, 1) else 0
        if not self._running and waiting:
            self.queue_notice.setText(
                "监听已停止，这些任务原地保留；重新开始监听后会接着处理，等待时长仍在累计。"
            )
            self.queue_notice.show()
        else:
            self.queue_notice.hide()

    @staticmethod
    def _show_placeholder(table: QTableWidget, text: str) -> None:
        """空表就是一大片白，看着像坏了。用一行字说明它本来就该是空的。"""
        table.setRowCount(1)
        item = QTableWidgetItem(text)
        item.setForeground(QColor(COLORS["muted"]))
        table.setItem(0, 0, item)
        table.setSpan(0, 0, 1, table.columnCount())

    @staticmethod
    def _as_time(value) -> float:
        try:
            return float(value)
        except (TypeError, ValueError):
            return float("inf")

    @staticmethod
    def _waited_text(since: float) -> str:
        try:
            seconds = max(0, int(time.time() - float(since)))
        except (TypeError, ValueError):
            return "--"
        if seconds < 60:
            return f"{seconds} 秒"
        if seconds < 3600:
            return f"{seconds // 60} 分 {seconds % 60} 秒"
        return f"{seconds // 3600} 小时 {(seconds % 3600) // 60} 分"

    @staticmethod
    def _state_text(state: dict) -> str:
        send_state = str(state.get("send_state") or "")
        if send_state == "sending":
            return "正在发送"
        if send_state == "uncertain":
            return "发送待核对"
        if send_state == "sent_uncommitted":
            return "已发送，待归档"
        stage = str(state.get("stage") or "")
        if stage in QueuePage.STAGE_LABELS:
            return QueuePage.STAGE_LABELS[stage]
        if state.get("batch_ready"):
            return "正在生成回复"
        if state.get("confirmed_unread"):
            return "等待处理"
        return "排队中"

    @classmethod
    def _stage_elapsed_text(cls, state: dict) -> str:
        started = state.get("stage_started_at")
        if started in (None, ""):
            return "--"
        return cls._waited_text(started)

    def apply_visual_state(self, payload: dict) -> None:
        """显示机器人最近一次真实截图及其本地视觉判定。"""
        if not isinstance(payload, dict):
            return
        try:
            stamp = float(payload.get("ts") or 0.0)
        except (TypeError, ValueError):
            stamp = 0.0
        parts = [
            time.strftime("%H:%M:%S", time.localtime(stamp)) if stamp else "--:--:--",
            str(payload.get("source") or "视觉识别"),
            f"未读 {int(payload.get('unread_count') or 0)}",
            "消息页正常" if payload.get("message_page") else "消息页待确认",
        ]
        if payload.get("model_busy"):
            parts.append("模型生成中·并行监听")
        if payload.get("blocking_modal"):
            parts.append("检测到遮挡弹窗")
        if payload.get("call_window"):
            parts.append(f"通话保护：{payload.get('call_window')}")
        system_entries = payload.get("system_entries") or []
        if system_entries:
            names = [str(item.get("name") or "系统入口") for item in system_entries if isinstance(item, dict)]
            parts.append("已排除 " + "、".join(names[:4]))
        self.vision_status.setText(" ｜ ".join(parts))

        path = str(payload.get("preview_path") or "")
        if not path or not os.path.isfile(path):
            return
        pixmap = QPixmap(path)
        if pixmap.isNull():
            return
        width = max(480, self.viewport().width() - 120)
        self.vision_preview.setPixmap(
            pixmap.scaled(width, 330, Qt.KeepAspectRatio, Qt.SmoothTransformation)
        )
        self.vision_preview.setText("")

    def _refresh_visual_monitor(self) -> None:
        try:
            with open(SCRIPT_DIR / "vision_status.json", encoding="utf-8") as handle:
                payload = json.load(handle)
        except FileNotFoundError:
            return
        except Exception as exc:
            self.vision_status.setText(f"视觉状态读取失败：{exc}")
            return
        self.apply_visual_state(payload)

    def refresh_data(self) -> None:
        self._refresh_visual_monitor()
        self._refresh_queue()
        self._refresh_history()
        self._refresh_notice()

    def _refresh_queue(self) -> None:
        try:
            with open(SCRIPT_DIR / "pending_replies.json", encoding="utf-8") as handle:
                raw = json.load(handle)
        except FileNotFoundError:
            raw = {}
        except Exception as exc:
            raw = {}
            self.logMessage.emit(f"读取回复队列失败：{exc}", "err")
        pending = raw.get("pending", raw) if isinstance(raw, dict) else {}
        rows = sorted(
            (
                (key, value)
                for key, value in pending.items()
                if isinstance(value, dict)
            ),
            # 先来的排前面，界面上的顺序就是实际服务顺序。时间戳脏了也不能
            # 让整页读不出来——排到最后就是了
            key=lambda item: self._as_time(item[1].get("created_at")),
        )
        self.waiting_metric.value.setText(str(len(rows)))
        self.queue_table.clearSpans()
        self.queue_table.setRowCount(len(rows))
        if not rows:
            self._show_placeholder(self.queue_table, "没有排队的会话，所有消息都已回复。")
            return
        for index, (key, state) in enumerate(rows):
            values = (
                str(index + 1),
                state.get("display_name") or "（未识别昵称）",
                self._state_text(state),
                self._waited_text(state.get("created_at")),
                self._stage_elapsed_text(state),
                str(int(state.get("resume_failures") or 0)),
                state.get("last_error") or state.get("stage_detail") or "--",
                str(key)[:32],
            )
            for column, value in enumerate(values):
                item = QTableWidgetItem(str(value))
                if column == 0:
                    item.setData(Qt.UserRole, str(key))
                self.queue_table.setItem(index, column, item)

    def _request_delete_selected(self) -> None:
        rows = sorted(
            {index.row() for index in self.queue_table.selectionModel().selectedRows()}
        )
        selected = []
        for row in rows:
            key_item = self.queue_table.item(row, 0)
            name_item = self.queue_table.item(row, 1)
            key = str(key_item.data(Qt.UserRole) or "") if key_item else ""
            if key:
                selected.append((key, name_item.text() if name_item else "（未识别昵称）"))
        if not selected:
            QMessageBox.information(self, "提示", "请先选择要删除的队列任务。")
            return
        names = "、".join(name for _key, name in selected[:3])
        if len(selected) > 3:
            names += f" 等 {len(selected)} 条"
        running_note = (
            "\n\n监听正在运行：若模型还在生成，本次结果也会被取消，不会继续粘贴或发送。"
            if self._running
            else ""
        )
        prompt = (
            f"确定删除所选任务吗？\n\n{names}"
            f"{running_note}\n\n会话档案和执行记录会保留；客户以后发来新消息仍可重新入队。"
        )
        if QMessageBox.question(self, "确认删除队列任务", prompt) != QMessageBox.Yes:
            return
        self.deleteTasksRequested.emit([key for key, _name in selected])

    def _refresh_history(self) -> None:
        try:
            from queue_log import QueueLog

            events = QueueLog().recent(200)
        except Exception as exc:
            events = []
            self.logMessage.emit(f"读取队列执行记录失败：{exc}", "err")
        self.history_table.clearSpans()
        self.history_table.setRowCount(len(events))
        if not events:
            self._show_placeholder(self.history_table, "还没有队列执行记录。")
            self.sent_metric.value.setText("0")
            self.failed_metric.value.setText("0")
            return
        midnight = time.mktime(time.localtime()[:3] + (0, 0, 0, 0, 0, -1))
        sent = failed = 0
        for row, event in enumerate(events):
            try:
                stamp = float(event.get("ts") or 0.0)
            except (TypeError, ValueError):
                stamp = 0.0
            action = str(event.get("event") or "")
            if stamp >= midnight:
                if action == "已发送":
                    sent += 1
                elif action == "失败":
                    failed += 1
            values = (
                time.strftime("%m-%d %H:%M:%S", time.localtime(stamp)) if stamp else "--",
                event.get("name") or "（未识别昵称）",
                action,
                str(event.get("detail") or "").replace("\n", " "),
            )
            for column, value in enumerate(values):
                item = QTableWidgetItem(str(value))
                if column == 2 and action in self.EVENT_COLORS:
                    item.setForeground(QColor(self.EVENT_COLORS[action]))
                self.history_table.setItem(row, column, item)
        self.sent_metric.value.setText(str(sent))
        self.failed_metric.value.setText(str(failed))

    def _clear_history(self) -> None:
        try:
            from queue_log import QueueLog

            QueueLog().clear()
        except Exception as exc:
            self.logMessage.emit(f"清空队列执行记录失败：{exc}", "err")
            return
        self._refresh_history()


class LogPage(QWidget):
    def __init__(self):
        super().__init__()
        self.setObjectName("PageRoot")
        layout = QVBoxLayout(self)
        layout.setContentsMargins(28, 25, 28, 28)
        layout.setSpacing(18)
        header = QHBoxLayout()
        header.addLayout(_page_header("07", "运行日志", "实时查看连接、识别、AI 与业务沉淀事件。"), 1)
        clear = _button("清空日志")
        clear.clicked.connect(self.clear)
        header.addWidget(clear, 0, Qt.AlignBottom)
        layout.addLayout(header)
        card, card_layout = _card()
        self.editor = QTextEdit()
        self.editor.setReadOnly(True)
        self.editor.setAcceptRichText(True)
        # 机器人每轮轮询都在打日志，跑一天就是几万块富文本；不封顶的话文档
        # 越长每次追加越慢，整个界面跟着卡。磁盘副本是全量的，界面只留近况。
        self.editor.document().setMaximumBlockCount(2000)
        self.editor.setStyleSheet(
            "QTextEdit{font-family:'Cascadia Mono','Microsoft YaHei UI';font-size:13px;line-height:1.5;}"
        )
        card_layout.addWidget(self.editor)
        layout.addWidget(card, 1)

    def append(self, message: str, tag: str = "") -> None:
        colors = {
            "ok": COLORS["success"],
            "warn": COLORS["warning"],
            "err": COLORS["danger"],
            "notify": COLORS["accent_dark"],
        }
        color = colors.get(tag, COLORS["ink"])
        stamp = time.strftime("%H:%M:%S")
        safe = (
            str(message)
            .replace("&", "&amp;")
            .replace("<", "&lt;")
            .replace(">", "&gt;")
            .replace("\n", "<br>")
        )
        self.editor.append(
            f'<span style="color:#94A29B">[{stamp}]</span> '
            f'<span style="color:{color}">{safe}</span>'
        )

    def clear(self) -> None:
        self.editor.clear()


class CapsuleActionButton(QPushButton):
    """不依赖字体字形的胶囊浮窗矢量操作按钮。"""

    def __init__(self, icon_kind: str, parent: QWidget | None = None):
        super().__init__(parent)
        self.icon_kind = icon_kind
        self.setCursor(Qt.PointingHandCursor)
        self.setFixedSize(30, 34)
        self.setFocusPolicy(Qt.NoFocus)
        self.setStyleSheet(
            "QPushButton{background:transparent;border:none;border-radius:9px;}"
            "QPushButton:hover{background:#F1F5F3;}"
            "QPushButton:pressed{background:#E4ECE8;}"
        )

    def paintEvent(self, event) -> None:
        super().paintEvent(event)
        painter = QPainter(self)
        painter.setRenderHint(QPainter.RenderHint.Antialiasing, True)
        color = "#006C51" if self.underMouse() or self.isDown() else "#5A5F5D"
        pen = QPen(QColor(color))
        center_x = self.width() / 2.0
        center_y = self.height() / 2.0

        if self.icon_kind == "pause":
            pen.setWidthF(3.0)
            pen.setCapStyle(Qt.PenCapStyle.FlatCap)
            painter.setPen(pen)
            painter.drawLine(
                QPointF(center_x - 3.5, center_y - 6.0),
                QPointF(center_x - 3.5, center_y + 6.0),
            )
            painter.drawLine(
                QPointF(center_x + 3.5, center_y - 6.0),
                QPointF(center_x + 3.5, center_y + 6.0),
            )
        else:
            pen.setWidthF(1.8)
            pen.setCapStyle(Qt.PenCapStyle.SquareCap)
            painter.setPen(pen)
            left, right = center_x - 7.0, center_x + 7.0
            top, bottom = center_y - 7.0, center_y + 7.0
            arm = 4.5
            for start, end in (
                (QPointF(left, top + arm), QPointF(left, top)),
                (QPointF(left, top), QPointF(left + arm, top)),
                (QPointF(right - arm, top), QPointF(right, top)),
                (QPointF(right, top), QPointF(right, top + arm)),
                (QPointF(left, bottom - arm), QPointF(left, bottom)),
                (QPointF(left, bottom), QPointF(left + arm, bottom)),
                (QPointF(right - arm, bottom), QPointF(right, bottom)),
                (QPointF(right, bottom), QPointF(right, bottom - arm)),
            ):
                painter.drawLine(start, end)


class CapsuleWindow(QWidget):
    expandRequested = Signal()
    stopRequested = Signal()

    def __init__(self):
        super().__init__(None)
        self.setWindowFlags(
            Qt.Tool
            | Qt.FramelessWindowHint
            | Qt.WindowStaysOnTopHint
            | Qt.WindowDoesNotAcceptFocus
        )
        self.setAttribute(Qt.WA_TranslucentBackground)
        self.setAttribute(Qt.WA_ShowWithoutActivating)
        self.setFixedSize(436, 112)
        self._drag_origin: QPoint | None = None
        self._window_origin = QPoint()

        outer = QVBoxLayout(self)
        outer.setContentsMargins(8, 7, 8, 11)
        self.panel = QFrame()
        self.panel.setObjectName("CapsulePanel")
        self.panel.setAccessibleName("监听状态浮窗")
        self.panel.setToolTip("按住空白区域可拖动浮窗")
        self.panel.setCursor(Qt.SizeAllCursor)
        self.panel.setStyleSheet(
            "QFrame#CapsulePanel{background:#FEFEFE;"
            "border:1px solid #EFF2F0;border-radius:47px;}"
            "QFrame#CapsulePanel QLabel{background:transparent;border:none;}"
        )
        _shadow(self.panel, 20, 4, 18)
        panel_layout = QVBoxLayout(self.panel)
        panel_layout.setContentsMargins(34, 8, 10, 8)
        panel_layout.setSpacing(3)

        top_row = QWidget()
        top_row.setObjectName("CapsuleTopRow")
        top_row.setFixedHeight(46)
        row = QHBoxLayout(top_row)
        row.setContentsMargins(0, 0, 0, 0)
        row.setSpacing(0)

        self.status_group = QWidget()
        self.status_group.setObjectName("CapsuleStatusGroup")
        self.status_group.setFixedSize(108, 46)
        status_row = QHBoxLayout(self.status_group)
        status_row.setContentsMargins(0, 0, 0, 0)
        status_row.setSpacing(4)

        self.dot = QFrame()
        self.dot.setObjectName("CapsuleStatusDot")
        self.dot.setAccessibleName("监听状态")
        self.dot.setFixedSize(10, 10)
        self.dot.setStyleSheet(
            "QFrame#CapsuleStatusDot{background:#7AB2A4;"
            "border:none;border-radius:5px;}"
        )
        status_row.addWidget(self.dot, 0, Qt.AlignVCenter)

        copy = QVBoxLayout()
        copy.setContentsMargins(0, 0, 0, 0)
        copy.setSpacing(0)
        copy.addStretch(1)
        self.status = QLabel("监听中")
        self.status.setMinimumWidth(94)
        self.status.setStyleSheet(
            "QLabel{color:#006C51;font-size:13px;font-weight:600;}"
        )
        self.hint = QLabel("安全运行中")
        self.hint.setStyleSheet(
            "QLabel{color:#666A68;font-size:10px;}"
        )
        copy.addWidget(self.status)
        copy.addWidget(self.hint)
        copy.addStretch(1)
        status_row.addLayout(copy)
        row.addWidget(self.status_group, 0, Qt.AlignVCenter)
        row.addStretch(14)

        # 上排只保留运行时长。执行进程放在胶囊底部整行显示，不能再挤在
        # 150px 宽、13px 高的小字里，否则稍长一点的客户名就几乎看不见。
        clock = QWidget()
        clock.setObjectName("CapsuleClock")
        clock.setFixedSize(100, 46)
        clock_column = QVBoxLayout(clock)
        clock_column.setContentsMargins(0, 0, 0, 0)
        clock_column.setSpacing(0)
        clock_column.addStretch(1)

        self.timer = QLabel("00:00:00")
        self.timer.setObjectName("CapsuleTimer")
        self.timer.setAccessibleName("监听运行时长")
        self.timer.setAlignment(Qt.AlignCenter)
        self.timer.setFixedSize(84, 28)
        self.timer.setStyleSheet(
            "QLabel#CapsuleTimer{background:#F5F5F5;border:1px solid #E8E8E8;"
            "border-radius:8px;font-family:'Cascadia Mono','Consolas';"
            "font-size:10px;font-weight:600;color:#1A1C1C;}"
        )
        clock_column.addWidget(self.timer, 0, Qt.AlignHCenter)
        clock_column.addStretch(1)

        row.addWidget(clock, 0, Qt.AlignVCenter)
        row.addStretch(39)

        self.divider = QFrame()
        self.divider.setObjectName("CapsuleDivider")
        self.divider.setFixedSize(1, 22)
        self.divider.setStyleSheet(
            "QFrame#CapsuleDivider{background:#EFEFEF;border:none;}"
        )
        row.addWidget(self.divider, 0, Qt.AlignVCenter)
        row.addSpacing(5)

        actions = QWidget()
        actions.setObjectName("CapsuleActions")
        actions.setFixedSize(62, 34)
        action_row = QHBoxLayout(actions)
        action_row.setContentsMargins(0, 0, 0, 0)
        action_row.setSpacing(2)

        self.stop_button = CapsuleActionButton("pause")
        self.stop_button.setObjectName("CapsuleStopButton")
        self.stop_button.setAccessibleName("停止监听")
        self.stop_button.setToolTip("停止监听")
        self.stop_button.clicked.connect(self.stopRequested)
        action_row.addWidget(self.stop_button)

        self.expand_button = CapsuleActionButton("fullscreen")
        self.expand_button.setObjectName("CapsuleExpandButton")
        self.expand_button.setAccessibleName("展开控制台")
        self.expand_button.setToolTip("展开控制台")
        self.expand_button.clicked.connect(self.expandRequested)
        action_row.addWidget(self.expand_button)
        row.addWidget(actions, 0, Qt.AlignVCenter)

        panel_layout.addWidget(top_row)

        self._progress_text = ""
        self.progress = QLabel("")
        self.progress.setObjectName("CapsuleProgress")
        self.progress.setAccessibleName("当前执行进程")
        self.progress.setAlignment(Qt.AlignCenter)
        self.progress.setFixedHeight(21)
        self.progress.setStyleSheet(
            "QLabel#CapsuleProgress{background:#F2F7F5;color:#46635A;"
            "border-radius:7px;padding:0 8px;font-size:10px;font-weight:500;}"
        )
        panel_layout.addWidget(self.progress)
        outer.addWidget(self.panel)

    def show_near(self, window: QWidget) -> None:
        screen = window.screen() or QApplication.primaryScreen()
        area = screen.availableGeometry()
        x = area.x() + (area.width() - self.width()) // 2
        y = area.y() + 28
        self.move(x, y)
        self.show()

    def mousePressEvent(self, event) -> None:
        if event.button() == Qt.LeftButton:
            self._drag_origin = event.globalPosition().toPoint()
            self._window_origin = self.pos()
            event.accept()

    def mouseMoveEvent(self, event) -> None:
        if self._drag_origin is not None and event.buttons() & Qt.LeftButton:
            self.move(self._window_origin + event.globalPosition().toPoint() - self._drag_origin)
            event.accept()

    def mouseReleaseEvent(self, event) -> None:
        self._drag_origin = None
        super().mouseReleaseEvent(event)

    def set_status(self, state: str, text: str) -> None:
        colors = {
            "running": ("#006C51", "#7AB2A4"),
            "waiting": ("#9B681D", "#D2A85F"),
            "connecting": ("#9B681D", "#D2A85F"),
            "stopping": ("#9B681D", "#D2A85F"),
            "error": ("#B84552", "#DF8E98"),
            "verification": ("#B84552", "#DF8E98"),
        }
        hints = {
            "running": "安全运行中",
            "waiting": "等待企业微信",
            "connecting": "正在连接窗口",
            "stopping": "正在结束任务",
            "error": "请查看运行日志",
            "verification": "请先用手机扫码验证",
            "stopped": "监听已停止",
        }
        title_color, dot_color = colors.get(state, ("#66736D", "#A8B2AD"))
        self.dot.setStyleSheet(
            f"QFrame#CapsuleStatusDot{{background:{dot_color};border:none;border-radius:5px;}}"
        )
        self.status.setText(text)
        self.status.setStyleSheet(
            f"QLabel{{color:{title_color};font-size:13px;font-weight:600;}}"
        )
        self.hint.setText(hints.get(state, text))
        if state in ("stopped", "error", "verification"):
            # 停下来之后还挂着"正在回复 XXX"会让人以为它还在干活
            self.set_progress("")
        elif state == "connecting" and not self._progress_text:
            self.set_progress("正在连接企业微信")
        elif state == "waiting" and not self._progress_text:
            self.set_progress("等待企业微信窗口")
        elif state == "running" and not self._progress_text:
            self.set_progress("等待新消息")

    def set_progress(self, text: str) -> None:
        """显示与“执行记录”同源的当前步骤；长内容保留在悬浮提示里。"""
        self._progress_text = str(text or "")
        display_text = f"当前进程 · {self._progress_text}" if self._progress_text else ""
        metrics = QFontMetrics(self.progress.font())
        self.progress.setText(
            metrics.elidedText(
                display_text,
                Qt.ElideRight,
                max(0, self.progress.contentsRect().width() - 12),
            )
        )
        self.progress.setToolTip(display_text)


class Sidebar(QFrame):
    pageRequested = Signal(int)
    startRequested = Signal()
    stopRequested = Signal()

    PAGE_NAMES = (
        "AI 客服", "自动回复", "通用设置", "业务数据", "AI 人格", "回复队列", "运行日志",
    )

    def __init__(self):
        super().__init__()
        self.setObjectName("Sidebar")
        self.setFixedWidth(258)
        layout = QVBoxLayout(self)
        layout.setContentsMargins(18, 24, 18, 18)
        layout.setSpacing(8)
        layout.addWidget(_label("ZHEN AI DESK", "Brand"))
        layout.addWidget(_label("AI 客服 · 企业微信自动回复", "BrandSub"))
        layout.addSpacing(13)

        status_card = QFrame()
        status_card.setObjectName("SideStatus")
        status_layout = QVBoxLayout(status_card)
        status_layout.setContentsMargins(15, 13, 15, 13)
        status_layout.setSpacing(3)
        self.status_title = _label("●  已停止", "SideStatusTitle")
        self.status_hint = _label("等待连接企业微信", "SideStatusHint")
        status_layout.addWidget(self.status_title)
        status_layout.addWidget(self.status_hint)
        layout.addWidget(status_card)
        layout.addSpacing(9)
        layout.addWidget(_label("CONTROL CENTER", "SectionLabel"))

        self.nav_buttons: list[QPushButton] = []
        for index, name in enumerate(self.PAGE_NAMES, start=1):
            button = QPushButton(f"{index:02d}   {name}")
            button.setObjectName("NavButton")
            button.setCheckable(True)
            button.setAutoExclusive(True)
            button.setCursor(Qt.PointingHandCursor)
            button.clicked.connect(lambda _checked=False, i=index - 1: self.pageRequested.emit(i))
            layout.addWidget(button)
            self.nav_buttons.append(button)
        self.nav_buttons[0].setChecked(True)
        layout.addStretch(1)
        self.monitor_button = _button("开始监听", "side")
        self.monitor_button.clicked.connect(self.startRequested)
        layout.addWidget(self.monitor_button)
        layout.addWidget(_label("RPA DESKTOP  /  LOCAL", "SectionLabel"))

    def select(self, index: int) -> None:
        if 0 <= index < len(self.nav_buttons):
            self.nav_buttons[index].setChecked(True)

    def set_status(self, state: str, text: str, hint: str) -> None:
        colors = {
            "running": "#43E1AE",
            "waiting": "#F2BC64",
            "connecting": "#F2BC64",
            "stopping": "#F2BC64",
            "error": "#FF818E",
            "verification": "#FF818E",
            "stopped": "#A5B9B0",
        }
        self.status_title.setText(f"●  {text}")
        self.status_title.setStyleSheet(
            f"color:{colors.get(state, '#A5B9B0')};font-size:15px;font-weight:700;"
        )
        self.status_hint.setText(hint)
        active = state in {"running", "waiting", "connecting", "stopping"}
        self.monitor_button.setText("停止监听" if active else "开始监听")
        try:
            self.monitor_button.clicked.disconnect()
        except RuntimeError:
            pass
        self.monitor_button.clicked.connect(self.stopRequested if active else self.startRequested)
        self.monitor_button.setObjectName("DangerButton" if active else "SidePrimary")
        self.monitor_button.style().unpolish(self.monitor_button)
        self.monitor_button.style().polish(self.monitor_button)


class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle(WIN_TITLE)
        self.setMinimumSize(1120, 720)
        self._set_initial_geometry()
        self._queue: queue.Queue = queue.Queue()
        self._thread = None
        self._running = False
        self._start_time: float | None = None
        self._status_key = "stopped"
        self._original_stdout = sys.stdout
        self._stdout_proxy = None
        self._saved_geometry = None
        self._was_maximized = False
        self._capsule_minimize_pending = False
        self.runtime_settings = self._load_runtime_settings()

        root = QWidget()
        root.setObjectName("AppRoot")
        self.setCentralWidget(root)
        root_layout = QHBoxLayout(root)
        root_layout.setContentsMargins(0, 0, 0, 0)
        root_layout.setSpacing(0)

        self.sidebar = Sidebar()
        root_layout.addWidget(self.sidebar)
        self.stack = FadingStack()
        root_layout.addWidget(self.stack, 1)

        self.portal_page = PortalPage()
        self.dashboard_page = DashboardPage()
        self.settings_page = SettingsPage(self.runtime_settings)
        self.business_page = BusinessPage()
        self.persona_page = PersonaPage()
        self.queue_page = QueuePage()
        self.log_page = LogPage()
        for page in (
            self.portal_page,
            self.dashboard_page,
            self.settings_page,
            self.business_page,
            self.persona_page,
            self.queue_page,
            self.log_page,
        ):
            self.stack.addWidget(page)

        self.capsule = CapsuleWindow()
        self._connect_signals()
        self.business_refresh_timer = QTimer(self)
        self.business_refresh_timer.setSingleShot(True)
        self.business_refresh_timer.setInterval(220)
        self.business_refresh_timer.timeout.connect(self._refresh_counts)
        self.set_status("stopped", "已停止")
        self._refresh_counts()
        self.append_log("新控制台已就绪。请确认企业微信已登录，再开始监听。", "notify")

        self.queue_timer = QTimer(self)
        self.queue_timer.setInterval(140)
        self.queue_timer.timeout.connect(self._process_queue)
        self.queue_timer.start()

        # 队列页面只在自己露脸时刷新：读的是磁盘上的两个 JSON，
        # 后台一直轮询纯属白白占着硬盘和 CPU
        self.queue_page_timer = QTimer(self)
        self.queue_page_timer.setInterval(2000)
        self.queue_page_timer.timeout.connect(self._refresh_queue_page)
        self.queue_page_timer.start()

        try:
            import backend_client

            sync_seconds = int(
                backend_client.load_settings().get("sync_interval_seconds", 300)
            )
        except Exception:
            sync_seconds = 300
        self.backend_sync_timer = QTimer(self)
        self.backend_sync_timer.setInterval(max(60, sync_seconds) * 1000)
        self.backend_sync_timer.timeout.connect(
            lambda: self.persona_page.sync_from_cloud(silent=True)
        )
        self.backend_sync_timer.start()

    def _set_initial_geometry(self) -> None:
        screen = QApplication.primaryScreen()
        area = screen.availableGeometry() if screen else QRect(0, 0, 1440, 900)
        width = min(1480, max(1120, area.width() - 72))
        height = min(940, max(720, area.height() - 72))
        self.resize(width, height)
        self.move(area.x() + (area.width() - width) // 2, area.y() + (area.height() - height) // 2)

    def _connect_signals(self) -> None:
        self.sidebar.pageRequested.connect(self.show_page)
        self.sidebar.startRequested.connect(self.start_monitoring)
        self.sidebar.stopRequested.connect(self.stop_monitoring)
        self.dashboard_page.startRequested.connect(self.start_monitoring)
        self.dashboard_page.stopRequested.connect(self.stop_monitoring)
        self.dashboard_page.pageRequested.connect(self.show_page)
        self.settings_page.saved.connect(self.save_runtime_settings)
        self.business_page.logMessage.connect(self.append_log)
        self.queue_page.logMessage.connect(self.append_log)
        self.queue_page.deleteTasksRequested.connect(self._delete_queue_tasks)
        self.persona_page.saved.connect(self._persona_saved)
        self.capsule.expandRequested.connect(self.expand_console)
        self.capsule.stopRequested.connect(self.stop_monitoring)

    @staticmethod
    def _runtime_defaults() -> dict:
        return {
            "auto_reply_text": "在的，您慢慢说，我这边看着呢。",
            "poll_interval": 2.0,
            "mouse_idle_enabled": True,
            "mouse_idle_seconds": 20.0,
            "message_batch_window_seconds": MESSAGE_BATCH_WINDOW_SECONDS,
        }

    def _load_runtime_settings(self) -> dict:
        settings = self._runtime_defaults()
        try:
            saved = json.loads(APP_SETTINGS_FILE.read_text(encoding="utf-8"))
            if isinstance(saved, dict):
                settings.update({key: saved[key] for key in settings if key in saved})
        except (OSError, ValueError, TypeError):
            pass
        try:
            settings["poll_interval"] = max(0.2, float(settings["poll_interval"]))
            settings["mouse_idle_seconds"] = max(0.0, float(settings["mouse_idle_seconds"]))
            settings["message_batch_window_seconds"] = (
                normalize_message_batch_window_seconds(
                    settings["message_batch_window_seconds"]
                )
            )
            settings["mouse_idle_enabled"] = bool(settings["mouse_idle_enabled"])
            settings["auto_reply_text"] = (
                str(settings["auto_reply_text"]).strip()
                or "在的，您慢慢说，我这边看着呢。"
            )
        except (TypeError, ValueError):
            return self._runtime_defaults()
        return settings

    def save_runtime_settings(self, settings: dict | None = None) -> None:
        self.runtime_settings = dict(settings or self.settings_page.values())
        try:
            temporary = APP_SETTINGS_FILE.with_suffix(".json.tmp")
            temporary.write_text(
                json.dumps(self.runtime_settings, ensure_ascii=False, indent=2),
                encoding="utf-8",
            )
            os.replace(temporary, APP_SETTINGS_FILE)
        except OSError as exc:
            self.settings_page.mark_saved(False, f"保存失败：{exc}")
            self.append_log(f"运行参数保存失败：{exc}", "err")
        else:
            thread = getattr(self, "_thread", None)
            if thread is not None and thread.is_alive():
                thread.set_message_batch_window_seconds(float(
                    self.runtime_settings["message_batch_window_seconds"]
                ))
            self.settings_page.mark_saved(True, "已自动保存")

    def show_page(self, index: int) -> None:
        self.sidebar.select(index)
        self.stack.setCurrentIndexAnimated(index)
        if index == 3:
            self.business_page.refresh_data()
        if index == 5:
            self.queue_page.refresh_data()
        if index == 0:
            self.portal_page.ensure_view()
            QTimer.singleShot(80, self.portal_page.focus_view)

    def _refresh_queue_page(self) -> None:
        """队列页开着的时候，让它跟着机器人一起动。"""
        if self.stack.currentWidget() is self.queue_page and self.isVisible():
            self.queue_page.refresh_data()

    def _delete_queue_tasks(self, keys) -> None:
        """Delete selected work through the live bot or the stopped queue file."""
        requested = [str(key or "").strip() for key in (keys or [])]
        requested = [key for key in requested if key]
        if not requested:
            return
        thread = getattr(self, "_thread", None)
        try:
            if thread is not None and thread.is_alive():
                result = thread.cancel_pending_tasks(requested)
            else:
                result = delete_pending_reply_file(
                    requested,
                    str(SCRIPT_DIR / "pending_replies.json"),
                )
        except Exception as exc:
            QMessageBox.warning(self, "删除失败", f"无法删除队列任务：{exc}")
            self.append_log(f"删除队列任务失败：{exc}", "err")
            return

        error = str(result.get("error") or "")
        deleted = list(result.get("deleted") or [])
        protected = list(result.get("protected") or [])
        scheduled = list(result.get("scheduled") or [])
        if error:
            QMessageBox.warning(self, "删除失败", error)
            self.append_log(f"删除队列任务失败：{error}", "err")
        if deleted:
            self.append_log(
                f"已手动删除 {len(deleted)} 条未完成回复；模型中的旧结果不会发送。",
                "warn",
            )
        if scheduled:
            self.append_log(
                f"已登记删除 {len(scheduled)} 条任务，后台初始化完成后立即取消。",
                "warn",
            )
        if protected:
            QMessageBox.warning(
                self,
                "任务正在核对发送结果",
                f"有 {len(protected)} 条任务可能已经按下发送键，暂不能删除。"
                "请等待回执核对完成，或先停止监听后再删除，避免重复回复。",
            )
            self.append_log(
                f"有 {len(protected)} 条任务处于发送回执保护中，未执行删除。",
                "warn",
            )
        self.queue_page.refresh_data()

    def start_monitoring(self) -> None:
        if self._thread is not None and self._thread.is_alive():
            self.append_log("监听线程已经在运行", "warn")
            return
        self.save_runtime_settings()
        self.persona_page.save_config()
        self._stdout_proxy = LogQueue(self._queue)
        sys.stdout = self._stdout_proxy
        self._thread = BotThread(
            self._queue,
            self.runtime_settings["auto_reply_text"],
            float(self.runtime_settings["poll_interval"]),
            mouse_idle_enabled=bool(self.runtime_settings["mouse_idle_enabled"]),
            mouse_idle_seconds=float(self.runtime_settings["mouse_idle_seconds"]),
            message_batch_window_seconds=float(
                self.runtime_settings["message_batch_window_seconds"]
            ),
        )
        self._running = True
        self._start_time = time.time()
        self.set_status("connecting", "连接中")
        self.append_log("正在连接企业微信窗口…", "notify")
        self._thread.start()

    def stop_monitoring(self) -> None:
        if self._thread is None or not self._thread.is_alive():
            self._finish_thread("stopped")
            return
        self._running = False
        self._thread.stop()
        self.set_status("stopping", "正在停止")
        self.append_log("正在停止监听…", "warn")

    def set_status(self, state: str, text: str) -> None:
        self._status_key = state
        hints = {
            "connecting": "正在查找企业微信窗口",
            "waiting": WECOM_WAITING_MESSAGE,
            "running": "安全运行中，检测到未读消息后自动处理",
            "stopping": "等待后台任务退出",
            "error": "连接失败，请查看运行日志",
            "verification": "请用手机企业微信扫码验证，完成后重新开始监听",
            "stopped": "等待连接企业微信",
        }
        hint = hints.get(state, text)
        self.sidebar.set_status(state, text, hint)
        self.dashboard_page.set_status(state, text, hint)
        self.capsule.set_status(state, text)
        self.queue_page.set_running(state not in ("stopped", "error", "verification"))

    def changeEvent(self, event) -> None:
        if (
            event.type() == QEvent.Type.WindowStateChange
            and self.isMinimized()
            and getattr(self, "_running", False)
            and not self.capsule.isVisible()
            and not self._capsule_minimize_pending
        ):
            self._capsule_minimize_pending = True
            previous_state = event.oldState()
            saved_geometry = self.saveGeometry()
            was_maximized = bool(previous_state & Qt.WindowMaximized)
            portal_view = self.portal_page.view
            portal_was_visible = bool(
                self.stack.currentIndex() == 0
                and portal_view is not None
                and not portal_view.isHidden()
            )
            QTimer.singleShot(
                0,
                lambda: self._enter_capsule_after_minimize(
                    saved_geometry,
                    was_maximized,
                    portal_was_visible,
                ),
            )
        super().changeEvent(event)

    def _enter_capsule_after_minimize(
        self,
        saved_geometry,
        was_maximized: bool,
        portal_was_visible: bool,
    ) -> None:
        self._capsule_minimize_pending = False
        if (
            not self._running
            or not self.isMinimized()
            or self.capsule.isVisible()
        ):
            return
        self.enter_capsule_mode(
            saved_geometry=saved_geometry,
            was_maximized=was_maximized,
            portal_was_visible=portal_was_visible,
        )

    def enter_capsule_mode(
        self,
        *,
        saved_geometry=None,
        was_maximized: bool | None = None,
        portal_was_visible: bool | None = None,
    ) -> None:
        if self.capsule.isVisible():
            return
        self._saved_geometry = (
            self.saveGeometry() if saved_geometry is None else saved_geometry
        )
        self._was_maximized = (
            self.isMaximized() if was_maximized is None else bool(was_maximized)
        )
        # QWebEngineView owns a native Chromium surface. Hiding the top-level
        # window while that surface is still visible can leave a large black DWM
        # window above WeCom on some Windows/GPU combinations. Tear down the
        # visible surface first and let Qt flush that state before hiding us.
        portal_view = self.portal_page.view
        self._portal_was_visible = (
            portal_view is not None and portal_view.isVisible()
            if portal_was_visible is None
            else bool(portal_was_visible)
        )
        if self._portal_was_visible and self.portal_page.view is not None:
            self.portal_page.view.hide()
            QApplication.processEvents()
        self.capsule.show_near(self)
        self.hide()

    def expand_console(self) -> None:
        self.capsule.hide()
        if self._saved_geometry is not None:
            self.restoreGeometry(self._saved_geometry)
        if self._was_maximized:
            self.showMaximized()
        else:
            self.showNormal()
        self.raise_()
        self.activateWindow()
        if getattr(self, "_portal_was_visible", False) and self.stack.currentIndex() == 0:
            def restore_portal() -> None:
                if self.portal_page.view is not None:
                    self.portal_page.view.show()
                    self.portal_page.view.setFocus(Qt.OtherFocusReason)

            QTimer.singleShot(80, restore_portal)
        self._portal_was_visible = False

    def _finish_thread(self, final_state: str) -> None:
        self._running = False
        if self.capsule.isVisible():
            self.expand_console()
        if sys.stdout is self._stdout_proxy:
            sys.stdout = self._original_stdout
        self._stdout_proxy = None
        if final_state == "error":
            self.set_status("error", "连接失败")
            self.show_page(5)
        else:
            self.set_status("stopped", "已停止")
            self.dashboard_page.timer.setText("运行时长  --:--:--")

    def append_log(self, message: str, tag: str = "") -> None:
        self.log_page.append(message, tag)

    def _persona_saved(self, ok: bool, message: str) -> None:
        self.append_log(message, "ok" if ok else "err")

    def _refresh_counts(self) -> None:
        try:
            self.business_page.refresh_data()
            self.dashboard_page.registration.value.setText(
                self.business_page.registration_metric.value.text()
            )
            self.dashboard_page.sessions.value.setText(
                self.business_page.session_metric.value.text()
            )
        except Exception as exc:
            self.append_log(f"刷新业务数据失败：{exc}", "err")

    def _schedule_business_refresh(self) -> None:
        """合并短时间内的多条挂号日志，避免在队列循环中反复重建表格。"""
        self.business_refresh_timer.start()

    def _process_queue(self) -> None:
        try:
            while True:
                kind, data = self._queue.get_nowait()
                if kind == "log":
                    lowered = str(data).lower()
                    if any(token in str(data) for token in ("[+]", "回复完成", "已保存")):
                        tag = "ok"
                    elif any(token in str(data) for token in ("[!]", "误判", "停止")):
                        tag = "warn"
                    elif any(token in lowered for token in ("错误", "[-]", "失败", "exception", "traceback")):
                        tag = "err"
                    elif any(token in str(data) for token in ("[MCP]", "[挂号]", "启动", "连接")):
                        tag = "notify"
                    else:
                        tag = ""
                    self.append_log(str(data), tag)
                    if "[挂号]" in str(data):
                        self._schedule_business_refresh()
                elif kind == "status":
                    if data == "running":
                        self.set_status("running", "监听中")
                        self.enter_capsule_mode()
                    elif data == "waiting":
                        self.set_status("waiting", "等待企业微信")
                    elif data == "error":
                        self._finish_thread("error")
                    elif data == "verification":
                        self._finish_thread("verification")
                        self.set_status("verification", "需要扫码验证")
                        self.show_page(5)
                    elif data == "stopped":
                        self._finish_thread("stopped")
                elif kind == "progress":
                    self.capsule.set_progress(str(data or ""))
                elif kind == "stats":
                    self.dashboard_page.replied.value.setText(str(data.get("replied", 0)))
                    self.dashboard_page.false_pos.value.setText(str(data.get("false_pos", 0)))
                elif kind == "visual":
                    self.queue_page.apply_visual_state(data)
        except KeyboardInterrupt:
            # Qt 默认会把 Ctrl+C 打断留在当前槽函数中并打印堆栈；转为正常关闭。
            QTimer.singleShot(0, self.close)
            return
        except queue.Empty:
            pass

        if self._start_time and self._running:
            elapsed = int(time.time() - self._start_time)
            runtime = f"{elapsed // 3600:02d}:{(elapsed % 3600) // 60:02d}:{elapsed % 60:02d}"
            self.dashboard_page.timer.setText(f"运行时长  {runtime}")
            self.capsule.timer.setText(runtime)

    def closeEvent(self, event) -> None:
        self.save_runtime_settings()
        self._running = False
        if self._thread is not None and self._thread.is_alive():
            self._thread.stop()
        if sys.stdout is self._stdout_proxy:
            sys.stdout = self._original_stdout
        self.capsule.close()
        try:
            from dsh_agent import close_desk

            close_desk()
        except Exception:
            pass
        event.accept()


def _app_icon() -> QIcon:
    icon = QIcon(str(APP_ICON_PATH))
    if not icon.isNull():
        return icon

    pixmap = QPixmap(64, 64)
    pixmap.fill(Qt.transparent)
    painter = QPainter(pixmap)
    painter.setRenderHint(QPainter.Antialiasing)
    painter.setBrush(QColor(COLORS["accent"]))
    painter.setPen(Qt.NoPen)
    painter.drawRoundedRect(5, 5, 54, 54, 17, 17)
    painter.setBrush(QColor("#FFFFFF"))
    painter.drawEllipse(17, 18, 30, 24)
    painter.drawPolygon([QPoint(25, 39), QPoint(22, 49), QPoint(34, 41)])
    painter.end()
    return QIcon(pixmap)


def install_console_shutdown_handler(app: QApplication, window: MainWindow):
    """将控制台 Ctrl+C / Ctrl+Break 转换为 Qt 的正常关闭流程。"""
    shutdown_requested = False

    def request_shutdown(_signum=None, _frame=None) -> None:
        nonlocal shutdown_requested
        if shutdown_requested:
            return
        shutdown_requested = True
        QTimer.singleShot(0, window.close)
        QTimer.singleShot(0, app.quit)

    handled = [signal.SIGINT]
    if hasattr(signal, "SIGBREAK"):
        handled.append(signal.SIGBREAK)
    for signal_number in handled:
        try:
            signal.signal(signal_number, request_shutdown)
        except (OSError, ValueError):
            pass
    return request_shutdown


def handle_startup_update(release: object) -> bool:
    """显示启动升级提示；返回 False 表示本次不能进入软件。"""
    status = release_status(release)
    if not status["update_available"]:
        return True

    forced = status["force_upgrade"]
    message = QMessageBox()
    message.setIcon(QMessageBox.Icon.Critical if forced else QMessageBox.Icon.Information)
    message.setWindowTitle("必须升级" if forced else "发现新版本")
    message.setText(
        f"当前版本：v{status['local_version']}\n"
        f"云端版本：v{status['latest_version']}"
    )
    message.setInformativeText(
        "管理员已设置强制升级，升级前无法继续使用。"
        if forced
        else "是否现在前往下载新版本？也可以稍后继续使用。"
    )
    if status["release_notes"]:
        message.setDetailedText(status["release_notes"][:4000])
    upgrade_button = message.addButton("立即升级", QMessageBox.ButtonRole.AcceptRole)
    message.addButton(
        "退出软件" if forced else "稍后使用", QMessageBox.ButtonRole.RejectRole
    )
    message.setDefaultButton(upgrade_button)
    message.exec()

    if message.clickedButton() is upgrade_button:
        download_url = status["download_url"]
        if not download_url or not QDesktopServices.openUrl(QUrl(download_url)):
            QMessageBox.warning(
                None,
                "无法打开下载地址",
                "升级下载地址暂时无法打开，请联系管理员。",
            )
        return not forced
    return not forced


class _StartupSyncBridge(QObject):
    finished = Signal(object)


def _start_background_startup_sync(window: "MainWindow") -> None:
    """云端配置同步放到后台线程执行。

    过去它在窗口出现之前同步跑，网络一慢冷启动就跟着慢（超时 3 秒起步、
    DNS 卡住时更久）。现在窗口先出来，结果回来后再补日志和升级提示。
    """
    bridge = _StartupSyncBridge(window)

    def deliver(result: object) -> None:
        payload = result if isinstance(result, dict) else {}
        for diagnostic in payload.get("diagnostics") or []:
            window.append_log(str(diagnostic), "notify")
        if not handle_startup_update(payload.get("release")):
            window.close()

    bridge.finished.connect(deliver)

    def worker() -> None:
        try:
            import backend_client

            result = backend_client.startup_sync_config(timeout=3.0)
        except Exception:
            # 云端暂时不可用时仍执行上次成功同步的强制升级策略。
            try:
                import backend_client

                result = {"release": backend_client.cached_release_status()}
            except Exception:
                result = {}
        bridge.finished.emit(result or {})

    threading.Thread(target=worker, daemon=True, name="startup-sync").start()


def run_packaging_self_check(app: QApplication) -> int:
    """离线验证随 EXE 打包的 Qt WebEngine 能否真正创建并加载页面。"""
    probe = QWebEngineView()
    state = {"finished": False}

    def finish(ok: bool) -> None:
        if state["finished"]:
            return
        state["finished"] = True
        probe.close()
        app.exit(0 if ok else 3)

    def timeout() -> None:
        if not state["finished"]:
            state["finished"] = True
            probe.close()
            app.exit(4)

    probe.loadFinished.connect(finish)
    probe.setGeometry(-32000, -32000, 320, 180)
    probe.show()
    probe.setHtml(
        "<html><meta charset='utf-8'><body>Qt WebEngine packaging check</body></html>"
    )
    QTimer.singleShot(30_000, timeout)
    return app.exec()


def main() -> None:
    QApplication.setHighDpiScaleFactorRoundingPolicy(
        Qt.HighDpiScaleFactorRoundingPolicy.PassThrough
    )
    app = QApplication.instance() or QApplication(sys.argv)
    app.setApplicationName(WIN_TITLE)
    app.setApplicationDisplayName(WIN_TITLE)
    app.setWindowIcon(_app_icon())
    app.setStyle("Fusion")
    app.setStyleSheet(APP_QSS)
    font = QFont("Microsoft YaHei UI", 10)
    font.setHintingPreference(QFont.PreferFullHinting)
    app.setFont(font)

    if "--packaging-self-check" in sys.argv:
        raise SystemExit(run_packaging_self_check(app))

    window = MainWindow()
    console_shutdown = install_console_shutdown_handler(app, window)
    window.show()
    QTimer.singleShot(160, window.portal_page.ensure_view)
    if "--qt-smoke-test" not in sys.argv:
        _start_background_startup_sync(window)

    if "--qt-smoke-test" in sys.argv:
        for index in range(window.stack.count()):
            def show_test_page(i=index) -> None:
                window.show_page(i)

            def capture(i=index) -> None:
                window.grab().save(str(SCRIPT_DIR / f"qt-ui-smoke-{i + 1}.png"))

            QTimer.singleShot(650 + index * 650, show_test_page)
            QTimer.singleShot(950 + index * 650, capture)
        QTimer.singleShot(1100 + window.stack.count() * 650, app.quit)
    try:
        exit_code = app.exec()
    except KeyboardInterrupt:
        console_shutdown()
        exit_code = 0
    raise SystemExit(exit_code)


if __name__ == "__main__":
    main()