style: cargo fmt — settle the CSC/tvOS changes' layout (CI Format gate)

Formatting only, no code change: the signaled-CSC and tvOS commits
(1fcf9e11, 3ba19f28) left six files unformatted and the rust job's
Format step rejects main. cargo fmt --all --check is clean after this.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

crates/punktfunk-host/src/encode/linux/mod.rs

@@ -337,8 +337,8 @@ impl NvencEncoder {
         // text/UI chroma 4:4:4 exists for. Every punktfunk client honors the signaled range
         // (csc_rows / the Apple rows port); ship as default only if the on-glass A/B shows a
         // visible win. Linux-only: the Windows path's NVENC-internal CSC range is unmeasured.
-        let full_range_444 = want_444
-            && std::env::var("PUNKTFUNK_444_FULLRANGE").is_ok_and(|v| v.trim() == "1");
+        let full_range_444 =
+            want_444 && std::env::var("PUNKTFUNK_444_FULLRANGE").is_ok_and(|v| v.trim() == "1");
         if matches!(format, PixelFormat::Nv12) || want_444 {
             // SAFETY: same `video` builder — `raw = video.as_mut_ptr()` is the non-null, properly-
             // aligned, sole-owned, not-yet-opened `AVCodecContext`. We set its four VUI colour enum

crates/punktfunk-host/src/encode/sw.rs

@@ -290,7 +290,11 @@ mod tests {
         let bytes = vec![0x80u8; (w * h * 4) as usize];
         enc.convert_bt709(&bytes, 4, 2, 1, 0);
         // 16 + 128·(219/255) = 125.9 → 126.
-        assert!(enc.y_plane.iter().all(|&y| y == 126), "{:?}", &enc.y_plane[..4]);
+        assert!(
+            enc.y_plane.iter().all(|&y| y == 126),
+            "{:?}",
+            &enc.y_plane[..4]
+        );
         assert!(enc.u_plane.iter().all(|&u| u == 128));
         assert!(enc.v_plane.iter().all(|&v| v == 128));
     }

crates/punktfunk-host/src/encode/windows/nvenc.rs

@@ -1611,12 +1611,9 @@ mod tests {
     use super::*;
     use crate::capture::{dxgi::D3d11Frame, CapturedFrame, FramePayload};
     use windows::Win32::Graphics::Direct3D11::{
-        D3D11_BIND_RENDER_TARGET, D3D11_SUBRESOURCE_DATA, D3D11_TEXTURE2D_DESC,
-        D3D11_USAGE_DEFAULT,
-    };
-    use windows::Win32::Graphics::Dxgi::Common::{
-        DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_SAMPLE_DESC,
+        D3D11_BIND_RENDER_TARGET, D3D11_SUBRESOURCE_DATA, D3D11_TEXTURE2D_DESC, D3D11_USAGE_DEFAULT,
     };
+    use windows::Win32::Graphics::Dxgi::Common::{DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_SAMPLE_DESC};
     use windows::Win32::Graphics::Dxgi::{
         CreateDXGIFactory1, IDXGIFactory1, DXGI_ADAPTER_FLAG_SOFTWARE,
     };
@@ -1670,7 +1667,9 @@ mod tests {
             let factory: IDXGIFactory1 = CreateDXGIFactory1().expect("DXGI factory");
             let mut adapter = None;
             for i in 0.. {
-                let Ok(a) = factory.EnumAdapters1(i) else { break };
+                let Ok(a) = factory.EnumAdapters1(i) else {
+                    break;
+                };
                 let desc = a.GetDesc1().expect("adapter desc");
                 if desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE.0 as u32 == 0 {
                     adapter = Some(a);
@@ -1678,8 +1677,7 @@ mod tests {
                 }
             }
             let adapter = adapter.expect("no hardware DXGI adapter");
-            let (device, _ctx) =
-                crate::capture::dxgi::make_device(&adapter).expect("make_device");
+            let (device, _ctx) = crate::capture::dxgi::make_device(&adapter).expect("make_device");
 
             let bytes = probe_pattern(W as usize, H as usize);
             let init = D3D11_SUBRESOURCE_DATA {
@@ -1760,7 +1758,13 @@ mod tests {
     #[test]
     #[ignore = "requires an NVIDIA GPU + driver — run manually on the RTX box"]
     fn nvenc_444_on_glass_probe() {
-        encode_pattern(ChromaFormat::Yuv444, "C:\\Users\\Public\\nvenc444_probe.h265");
-        encode_pattern(ChromaFormat::Yuv420, "C:\\Users\\Public\\nvenc420_probe.h265");
+        encode_pattern(
+            ChromaFormat::Yuv444,
+            "C:\\Users\\Public\\nvenc444_probe.h265",
+        );
+        encode_pattern(
+            ChromaFormat::Yuv420,
+            "C:\\Users\\Public\\nvenc420_probe.h265",
+        );
     }
 }

crates/punktfunk-host/src/gamestream/rtsp.rs

@@ -397,10 +397,19 @@ fn stream_config(map: &HashMap<String, String>) -> Option<StreamConfig> {
             },
             if csc & 1 != 0 { "full" } else { "limited" },
         );
-        let ours = if hdr { "Rec2020 limited (PQ)" } else { "Rec709 limited" };
+        let ours = if hdr {
+            "Rec2020 limited (PQ)"
+        } else {
+            "Rec709 limited"
+        };
         let matches_ours = (hdr && csc >> 1 == 2 || !hdr && csc >> 1 == 1) && csc & 1 == 0;
         if matches_ours {
-            tracing::info!(csc, space, range, "GameStream client requested CSC — matches ours");
+            tracing::info!(
+                csc,
+                space,
+                range,
+                "GameStream client requested CSC — matches ours"
+            );
         } else {
             tracing::warn!(
                 csc,