perf: 用 autoflake 删除无用依赖

没想到居然能意外地大幅提升启动速度

src/heurams/interface/__init__.py

@@ -2,9 +2,9 @@ from time import sleep, perf_counter
 
 print("欢迎使用基本用户界面!")
 print("加载配置与上下文... ", end="", flush=True)
-_start1 = perf_counter()
-_start = perf_counter()
-from heurams.context import *
+_start_all = perf_counter()
+_start = _start_all
+from heurams.context import rootdir, workdir, config_var
 
 _end = perf_counter()
 print(f"已完成! (耗时: {round(1000 * (_end - _start))}ms)")
@@ -32,14 +32,13 @@ print(f"已完成! (耗时: {round(1000 * (_end - _start))}ms)")
 
 print(f"组件目录: {rootdir}")
 print(f"工作目录: {workdir}")
-_end1 = perf_counter()
-print(f"前置工作共计耗时: {round(1000 * (_end1 - _start1))}ms")
+_end_all = perf_counter()
+print(f"前置工作共计耗时: {round(1000 * (_end_all - _start_all))}ms")
 
 
 class HeurAMSApp(App):
     TITLE = "潜进"
-    CSS_PATH = "css/main.tcss"
-    css_dir = pathlib.Path("css").resolve()
+    CSS_PATH = rootdir / "interface" / "css" / "main.tcss"
     SUB_TITLE = "启发式辅助记忆调度器"
     BINDINGS = [
         ("q", "go_back", "退出"),
@@ -63,24 +62,26 @@ class HeurAMSApp(App):
     def on_mount(self) -> None:
         self.push_screen("dashboard")
 
-    def on_button_pressed(self, event: Button.Pressed) -> None:
-        pass
-        # self.exit(event.button.id)
-
     def action_go_back(self) -> None:
-        quit()
+        self.exit() # go_back 在最顶层是退出, Screen 会再次定义为返回, 键位都是 q, 免得不一样
 
-    def action_do_nothing(self):
-        self.refresh()
+    def action_do_nothing(self) -> None: # 用来给没使用/禁用的快捷键占位, 因为 Binding 删除不了
+        pass
 
     # 移除烦人的 "rich traceback"
     # Textual 官方不会管这破事, 写 Rich 写入脑了导致的
     # 不知道哪来的自信改标准库的 traceback
     # https://github.com/Textualize/textual/discussions/6255
+    # NOTE: 进行 textual 版本升级时, 确保查看过上游代码, 尤其是 App 的 _exception
+    # 如果行为变了就把下面的删了 (虽然有 fallback)
     def _fatal_error(self):
-        self._close_messages_no_wait()
-        raise self._exception
+        if hasattr(self, "_exception"):
+            self._close_messages_no_wait()
+            raise self._exception
+        super()._fatal_error() # fallback
 
     def panic(self, *args):
-        self._close_messages_no_wait()
-        raise self._exception
+        if hasattr("_exception"):
+            self._close_messages_no_wait()
+            raise self._exception
+        super().panic(*args) # ditto