feat: 一系列新功能

src/heurams/interface/screens/navigator.py

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+import webbrowser
+
+from textual.app import ComposeResult
+from textual.containers import Grid, ScrollableContainer
+from textual.screen import ModalScreen
+from textual.widgets import Button, Footer, Header, Label, ListItem, ListView, Static
+
+from heurams.context import *
+from heurams.services.logger import get_logger
+
+from .favmgr import FavoriteManagerScreen
+
+logger = get_logger(__name__)
+
+
+class NavigatorScreen(ModalScreen):
+    """导航器模态窗口"""
+
+    BINDINGS = [
+        ("q", "go_back", "返回"),
+        ("escape", "go_back", "返回"),
+        ("n", "go_back", "切换"),
+    ]
+
+    SCREENS = [
+        ("仪表盘", "dashboard"),
+        ("电台", "radio"),
+        ("语言模型集成", "llmchat"),
+        #        ("创建仓库", "repo_creator"),
+        ("缓存管理器", "precache_all"),
+        ("收藏夹管理器", FavoriteManagerScreen),
+        ("关于此软件", "about"),
+        ("调试日志", "logviewer"),
+        #        ("同步工具", "synctool"),
+        #        ("仓库编辑器", "repo_editor"),
+    ]
+
+    OTHERS = [
+        ("退出程序", "self.app.exit()"),
+        ("项目主页", "webbrowser.open('https://ams.imwangzhiyu.xyz')"),
+    ]
+
+    def compose(self) -> ComposeResult:
+        """组合界面组件"""
+        with Grid(id="dialog"):
+            yield Label(
+                "[b]请选择要跳转的功能\n或记忆会话实例[/b]\n\n将在此处显示提示",
+                classes="title-label",
+            )
+            yield ListView(
+                *[ListItem(Label(title)) for title, _ in (self.SCREENS + self.OTHERS)],
+                id="nav-list",
+                classes="nav-list-view",
+            )
+            yield Static("按下回车以完成切换\n所有会话将被保存")
+            yield Button(
+                "关闭 (n)", id="close_button", variant="primary", classes="close-button", flat=True
+            )
+
+    def on_mount(self) -> None:
+        # 设置焦点到列表
+        nav_list = self.query_one("#nav-list", ListView)
+        nav_list.focus()
+
+    def on_list_view_selected(self, event) -> None:
+        if not isinstance(event.item, ListItem):
+            return
+        selected_label = event.item.query_one(Label)
+        label_text = str(selected_label.render())
+        # 查找对应的屏幕标识
+        for title, screen_id in self.SCREENS:
+            if title == label_text:
+                self.app.pop_screen()
+                # 跳转到目标屏幕
+                if isinstance(screen_id, str):
+                    # 已注册的字符串标识符
+                    self.app.push_screen(screen_id)
+                else:
+                    self.app.push_screen(screen_id())
+                return
+        for title, cmd in self.OTHERS:
+            if title == label_text:
+                exec(cmd)
+                return
+        return
+
+    def on_button_pressed(self, event) -> None:
+        event.stop()
+        if event.button.id == "close_button":
+            self.action_go_back()
+
+    def action_go_back(self) -> None:
+        self.app.pop_screen()