初始提交：识流 AI 助手项目

微信自动回复机器人，基于截图+OCR识别消息，支持关键词规则和 AI（OpenAI/DeepSeek/Dify）自动回复。
技术栈：PySide6 + Flask + Vue3 + RapidOCR + SQLite

注：OCR大模型文件（.onnx / .pdiparams）不纳入版本控制，需单独下载。

🤖 Generated with [Qoder][https://qoder.com]

app/presentation/shell.py

@@ -0,0 +1,95 @@
+import time
+
+from PySide6.QtCore import QTimer, Qt, QUrl
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtWidgets import QWidget, QVBoxLayout, QLabel, QProgressBar
+
+
+class LoadingWindowController:
+    def __init__(self):
+        self.loading_window = None
+        self.loading_min_ms = 700
+        self.loading_started_ms = 0.0
+
+    def show(self):
+        self.loading_started_ms = time.time() * 1000
+        if self.loading_window is not None:
+            self.loading_window.show()
+            self.loading_window.raise_()
+            self.loading_window.activateWindow()
+            return self.loading_window
+        win = QWidget()
+        win.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
+        win.setAttribute(Qt.WA_DeleteOnClose, True)
+        win.resize(560, 220)
+        screen = QGuiApplication.primaryScreen()
+        if screen is not None:
+            geo = screen.availableGeometry()
+            win.move(geo.center().x() - win.width() // 2, geo.center().y() - win.height() // 2)
+        win.setStyleSheet("background:qlineargradient(x1:0,y1:0,x2:0,y2:1, stop:0 #f8fbff, stop:1 #eef4fb);border:1px solid #dbe7f5;border-radius:16px;")
+        lay = QVBoxLayout(win)
+        lay.setContentsMargins(30, 28, 30, 28)
+        lay.setSpacing(10)
+
+        title = QLabel("识流 AI 助手")
+        title.setStyleSheet("font-size:18px;font-weight:700;color:#0f172a;")
+        label = QLabel("正在启动服务与管理台…")
+        label.setStyleSheet("font-size:14px;color:#334155;")
+        hint = QLabel("首次启动会稍慢一点，请稍候")
+        hint.setStyleSheet("font-size:12px;color:#64748b;")
+
+        bar = QProgressBar()
+        bar.setRange(0, 0)
+        bar.setTextVisible(False)
+        bar.setFixedHeight(8)
+        bar.setStyleSheet("QProgressBar{background:#e5edf8;border:0;border-radius:4px;}QProgressBar::chunk{background:qlineargradient(x1:0,y1:0,x2:1,y2:0, stop:0 #22c1c3, stop:1 #3b82f6);border-radius:4px;}")
+
+        lay.addWidget(title)
+        lay.addWidget(label)
+        lay.addSpacing(4)
+        lay.addWidget(bar)
+        lay.addWidget(hint)
+        lay.addStretch(1)
+
+        self.loading_window = win
+        self.loading_window.show()
+        self.loading_window.raise_()
+        self.loading_window.activateWindow()
+        return self.loading_window
+
+    def close(self):
+        if self.loading_window is not None:
+            self.loading_window.close()
+            self.loading_window = None
+
+    def finish_with(self, callback):
+        elapsed = int(time.time() * 1000 - self.loading_started_ms) if self.loading_started_ms else self.loading_min_ms
+        remain = max(0, self.loading_min_ms - elapsed)
+        QTimer.singleShot(remain + 120, callback)
+
+
+class WebViewShellController:
+    def __init__(self, web_view):
+        self.web_view = web_view
+        self.main_page_ready = False
+        self.expecting_admin_load = False
+
+    def load(self, entry_url):
+        if self.web_view is None:
+            return
+        self.main_page_ready = False
+        self.expecting_admin_load = True
+        self.web_view.setStyleSheet("background:#eef2f7;")
+        self.web_view.load(QUrl(entry_url))
+
+    def mark_loaded(self, ok):
+        if not self.expecting_admin_load or not ok:
+            return False
+        self.main_page_ready = True
+        return True
+
+    def can_finish(self):
+        return self.main_page_ready
+
+    def finish(self):
+        self.expecting_admin_load = False