feat: telegram voice transcription (#74)

tests/test_telegram_incoming.py

@@ -22,6 +22,7 @@ def test_parse_incoming_update_maps_fields() -> None:
     assert msg.reply_to_message_id == 5
     assert msg.reply_to_text == "prev"
     assert msg.sender_id == 99
+    assert msg.voice is None
     assert msg.raw == update["message"]
 
 
@@ -38,10 +39,36 @@ def test_parse_incoming_update_filters_non_matching_chat() -> None:
     assert parse_incoming_update(update, chat_id=999) is None
 
 
-def test_parse_incoming_update_filters_non_text() -> None:
+def test_parse_incoming_update_filters_non_text_and_non_voice() -> None:
     update = {
         "update_id": 1,
-        "message": {"message_id": 10, "chat": {"id": 123}},
+        "message": {"message_id": 10, "chat": {"id": 123}, "photo": []},
     }
 
     assert parse_incoming_update(update, chat_id=123) is None
+
+
+def test_parse_incoming_update_voice_message() -> None:
+    update = {
+        "update_id": 1,
+        "message": {
+            "message_id": 10,
+            "chat": {"id": 123},
+            "voice": {
+                "file_id": "voice-id",
+                "file_unique_id": "uniq",
+                "duration": 3,
+                "mime_type": "audio/ogg",
+                "file_size": 1234,
+            },
+        },
+    }
+
+    msg = parse_incoming_update(update, chat_id=123)
+    assert msg is not None
+    assert msg.text == ""
+    assert msg.voice is not None
+    assert msg.voice.file_id == "voice-id"
+    assert msg.voice.mime_type == "audio/ogg"
+    assert msg.voice.file_size == 1234
+    assert msg.voice.duration == 3