feat: patch FIT creator as Edge 1030 Plus

app/fit/models.py

@@ -1,4 +1,5 @@
 from dataclasses import dataclass
+from pathlib import Path
 
 
 @dataclass(frozen=True)
@@ -14,3 +15,30 @@ class LocalDefinition:
     endian: str
     fields: tuple[FieldDefinition, ...]
     developer_field_size: int
+
+
+GARMIN_MANUFACTURER_ID = 1
+
+
+@dataclass(frozen=True)
+class GarminDevice:
+    manufacturer_id: int = GARMIN_MANUFACTURER_ID
+    product_id: int = 3570
+    product_name: str = "Edge 1030 Plus"
+    serial_number: int | None = None
+
+
+@dataclass(frozen=True)
+class FitConversionResult:
+    source_path: Path
+    output_path: Path
+    patched_field_count: int
+    header_crc: int | None
+    file_crc: int
+
+
+@dataclass(frozen=True)
+class DeviceFieldValue:
+    global_message_num: int
+    field_num: int
+    value: int | str