Migrate to Python daemon

src/tray.py

@@ -0,0 +1,52 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+from threading import Thread
+
+import pystray
+from PIL import Image
+
+
+@dataclass
+class TrayIcons:
+    idle: Image.Image
+    recording: Image.Image
+    transcribing: Image.Image
+    processing: Image.Image
+
+
+def load_icons() -> TrayIcons:
+    base = Path(__file__).parent / "assets"
+    return TrayIcons(
+        idle=Image.open(base / "idle.png"),
+        recording=Image.open(base / "recording.png"),
+        transcribing=Image.open(base / "transcribing.png"),
+        processing=Image.open(base / "processing.png"),
+    )
+
+
+def run_tray(state_getter, on_quit):
+    icons = load_icons()
+    icon = pystray.Icon("lel", icons.idle, "lel")
+
+    def update():
+        while True:
+            state = state_getter()
+            if state == "recording":
+                icon.icon = icons.recording
+                icon.title = "Recording"
+            elif state == "transcribing":
+                icon.icon = icons.transcribing
+                icon.title = "Transcribing"
+            elif state == "processing":
+                icon.icon = icons.processing
+                icon.title = "AI Processing"
+            else:
+                icon.icon = icons.idle
+                icon.title = "Idle"
+            icon.update_menu()
+
+    icon.menu = pystray.Menu(pystray.MenuItem("Quit", lambda: on_quit()))
+    Thread(target=update, daemon=True).start()
+    icon.run()