Add missing model fields from protocol spec

- ImageInfo: hd_size (HD image cipher size)
- VoiceInfo: encode_type, bits_per_sample, sample_rate
These fields are present in the protocol but were not being parsed.

Author: Oaklight

src/weilink/client.py

@@ -1340,6 +1340,7 @@ def _parse_image_item(cls, raw: dict[str, Any]) -> ImageInfo:
             url=raw.get("url", ""),
             thumb_width=raw.get("thumb_width", 0),
             thumb_height=raw.get("thumb_height", 0),
+            hd_size=raw.get("hd_size", 0),
         )
 
     @classmethod
@@ -1350,6 +1351,9 @@ def _parse_voice_item(cls, raw: dict[str, Any]) -> VoiceInfo:
             media=media,
             playtime=raw.get("playtime", 0),
             text=raw.get("text", ""),
+            encode_type=raw.get("encode_type", 0),
+            bits_per_sample=raw.get("bits_per_sample", 0),
+            sample_rate=raw.get("sample_rate", 0),
         )
 
     @classmethod

src/weilink/models.py

@@ -123,12 +123,14 @@ class ImageInfo:
         url: Direct image URL (may be empty).
         thumb_width: Thumbnail width in pixels.
         thumb_height: Thumbnail height in pixels.
+        hd_size: HD image cipher size in bytes.
     """
 
     media: MediaInfo = field(default_factory=MediaInfo)
     url: str = ""
     thumb_width: int = 0
     thumb_height: int = 0
+    hd_size: int = 0
 
 
 @dataclass(frozen=True)
@@ -137,13 +139,19 @@ class VoiceInfo:
 
     Attributes:
         media: CDN media reference for the voice file.
-        playtime: Duration in seconds.
+        playtime: Duration in milliseconds.
         text: Voice-to-text transcription (may be empty).
+        encode_type: Audio codec (1=pcm, 2=adpcm, 4=speex, 5=amr, 6=silk, 7=mp3).
+        bits_per_sample: Bit depth.
+        sample_rate: Sample rate in Hz.
     """
 
     media: MediaInfo = field(default_factory=MediaInfo)
     playtime: int = 0
     text: str = ""
+    encode_type: int = 0
+    bits_per_sample: int = 0
+    sample_rate: int = 0
 
 
 @dataclass(frozen=True)