Add freeze support to segment model and method

src/wled/models.py

@@ -219,6 +219,9 @@ class Segment(BaseModel):
     ~ to increment, ~- to decrement, or "r" for random.
     """
 
+    freeze: bool = field(default=False, metadata=field_options(alias="frz"))
+    """Freeze the current segment state."""
+
     intensity: int | str = field(default=0, metadata=field_options(alias="ix"))
     """Intensity of the segment.
 

src/wled/wled.py

@@ -313,6 +313,7 @@ async def segment(  # noqa: PLR0912, PLR0913
         color_secondary: tuple[int, int, int, int] | tuple[int, int, int] | None = None,
         color_tertiary: tuple[int, int, int, int] | tuple[int, int, int] | None = None,
         effect: int | str | None = None,
+        freeze: bool | None = None,
         individual: Sequence[
             int | Sequence[int] | tuple[int, int, int, int] | tuple[int, int, int]
         ]
@@ -340,6 +341,7 @@ async def segment(  # noqa: PLR0912, PLR0913
             color_secondary: The secondary color of this segment.
             color_tertiary: The tertiary color of this segment.
             effect: The effect number (or name) to use on this segment.
+            freeze: Freeze the current segment state.
             individual: A list of colors to use for each LED in the segment.
             intensity: The effect intensity to use on this segment.
             length: The length of this segment.
@@ -374,6 +376,7 @@ async def segment(  # noqa: PLR0912, PLR0913
         segment = {
             "bri": brightness,
             "cln": clones,
+            "frz": freeze,
             "fx": effect,
             "i": individual,
             "ix": intensity,