refactor: centralize settings and application services

assistant_bot/services.py

@@ -0,0 +1,19 @@
+from dataclasses import dataclass
+from zoneinfo import ZoneInfo
+
+from .ai import AIClient
+from .speech import SpeechTranscriber
+from .storage import AssistantStorage
+
+
+SERVICES_KEY = "services"
+
+
+@dataclass(frozen=True)
+class ApplicationServices:
+    storage: AssistantStorage
+    ai_client: AIClient
+    timezone: ZoneInfo
+    speech_recognizer: SpeechTranscriber
+    voice_max_duration_seconds: int
+    assistant_password: str