style: add clang-format config and reformat scaffolding files

include/screencast/app/cli.h

@@ -7,19 +7,19 @@
 namespace sc {
 
 struct SendCommand {
-    std::string_view target = "monitor";  // monitor, window, region
-    std::string_view peer_address;        // optional
+    std::string_view target = "monitor"; // monitor, window, region
+    std::string_view peer_address;       // optional
     int bitrate_kbps = 4000;
 };
 
 struct ReceiveCommand {
-    std::string_view peer_address;  // optional
+    std::string_view peer_address; // optional
     int local_rtp_port = 5004;
 };
 
 using Command = std::variant<SendCommand, ReceiveCommand>;
 
 // Parse command line arguments. Prints usage and returns std::nullopt on error.
-std::optional<Command> parse_cli ( int argc, const char *argv[] );
+std::optional<Command> parse_cli(int argc, const char* argv[]);
 
-}  // namespace sc
+} // namespace sc

include/screencast/app/pipeline.h

@@ -3,8 +3,6 @@
 #include "screencast/capture/capture.h"
 #include "screencast/codec/decoder.h"
 #include "screencast/codec/encoder.h"
-#include "screencast/network/discovery.h"
-#include "screencast/network/signaling.h"
 #include "screencast/network/transport.h"
 #include "screencast/render/renderer.h"
 
@@ -30,11 +28,11 @@ struct ReceiverPipelineConfig {
 // Sender pipeline: capture → encode → packetize → RTP/UDP.
 class SenderPipeline {
   public:
-    explicit SenderPipeline ( SenderPipelineConfig config );
-    ~SenderPipeline ();
+    explicit SenderPipeline(SenderPipelineConfig config);
+    ~SenderPipeline();
 
-    bool start ();
-    void stop ();
+    bool start();
+    void stop();
 
   private:
     class Impl;
@@ -44,15 +42,15 @@ class SenderPipeline {
 // Receiver pipeline: RTP/UDP → depacketize → decode → render.
 class ReceiverPipeline {
   public:
-    explicit ReceiverPipeline ( ReceiverPipelineConfig config );
-    ~ReceiverPipeline ();
+    explicit ReceiverPipeline(ReceiverPipelineConfig config);
+    ~ReceiverPipeline();
 
-    bool start ();
-    void stop ();
+    bool start();
+    void stop();
 
   private:
     class Impl;
     std::unique_ptr<Impl> impl_;
 };
 
-}  // namespace sc
+} // namespace sc