feat(stream): implement stream processing service with routes for managing streaming URLs; add support for concurrent processing and metadata extraction

app/models/sound.py

@@ -36,6 +36,9 @@ class Sound(db.Model):
     # Basic sound information
     name: Mapped[str] = mapped_column(String(255), nullable=False)
     filename: Mapped[str] = mapped_column(String(500), nullable=False)
+    thumbnail: Mapped[str | None] = mapped_column(
+        String(500), nullable=True
+    )  # Thumbnail filename
     duration: Mapped[int] = mapped_column(Integer, nullable=False)
     size: Mapped[int] = mapped_column(Integer, nullable=False)  # Size in bytes
     hash: Mapped[str] = mapped_column(String(64), nullable=False)  # SHA256 hash
@@ -114,6 +117,7 @@ class Sound(db.Model):
             "type": self.type,
             "name": self.name,
             "filename": self.filename,
+            "thumbnail": self.thumbnail,
             "duration": self.duration,
             "size": self.size,
             "hash": self.hash,
@@ -217,6 +221,7 @@ class Sound(db.Model):
         duration: float,
         size: int,
         hash_value: str,
+        thumbnail: Optional[str] = None,
         is_music: bool = False,
         is_deletable: bool = True,
         commit: bool = True,
@@ -230,6 +235,7 @@ class Sound(db.Model):
             type=sound_type,
             name=name,
             filename=filename,
+            thumbnail=thumbnail,
             duration=duration,
             size=size,
             hash=hash_value,