fix: tidy statics, instance, stretch43, fill/find_if ranges, NOLINT externs

source/core/rendering/screen.cpp

@@ -56,18 +56,18 @@ namespace {
 }  // namespace
 #endif  // __EMSCRIPTEN__
 
-std::unique_ptr<Screen> Screen::instance_;
+std::unique_ptr<Screen> Screen::instance;
 
 void Screen::init() {
-    instance_ = std::unique_ptr<Screen>(new Screen());
+    instance = std::unique_ptr<Screen>(new Screen());
 }
 
 void Screen::destroy() {
-    instance_.reset();
+    instance.reset();
 }
 
 auto Screen::get() -> Screen* {
-    return instance_.get();
+    return instance.get();
 }
 
 Screen::Screen() {
@@ -178,7 +178,7 @@ void Screen::initShaders() {
     shader_backend_->setScalingMode(Options::video.scaling_mode);
     shader_backend_->setVSync(Options::video.vsync);
     shader_backend_->setTextureFilter(Options::video.texture_filter);
-    shader_backend_->setStretch4_3(Options::video.aspect_ratio_4_3);
+    shader_backend_->setStretch43(Options::video.aspect_ratio_4_3);
     shader_backend_->setDownscaleAlgo(Options::video.downscale_algo);
 
     if (Options::video.supersampling) {
@@ -346,7 +346,7 @@ auto Screen::toggleSupersampling() -> bool {
 void Screen::toggleAspectRatio() {
     Options::video.aspect_ratio_4_3 = !Options::video.aspect_ratio_4_3;
     if (shader_backend_) {
-        shader_backend_->setStretch4_3(Options::video.aspect_ratio_4_3);
+        shader_backend_->setStretch43(Options::video.aspect_ratio_4_3);
     } else {
         applyFallbackPresentation();
     }
@@ -560,7 +560,7 @@ auto Screen::getActiveShaderName() const -> const char* {
 }
 
 void Screen::updateRenderInfo() {
-    static const Uint32 start_ticks = SDL_GetTicks();
+    static const Uint32 START_TICKS = SDL_GetTicks();
     std::string driver = gpu_driver_.empty() ? "sdl" : toLower(gpu_driver_);
 
     // Segment 0: FPS + driver (sempre visible)
@@ -578,7 +578,7 @@ void Screen::updateRenderInfo() {
     // Segment 3: hora (només si show_time)
     char time_buf[32] = {0};
     if (Options::render_info.show_time) {
-        Uint32 elapsed = SDL_GetTicks() - start_ticks;
+        Uint32 elapsed = SDL_GetTicks() - START_TICKS;
         int minutes = elapsed / 60000;
         int seconds = (elapsed / 1000) % 60;
         int centis = (elapsed / 10) % 100;

source/core/rendering/screen.hpp

@@ -71,7 +71,7 @@ class Screen {
     void applyFallbackPresentation();      // Logical presentation + scale mode per al path SDL_Renderer
     void ensureFallbackInternalTexture();  // Recrea internal_texture_sdl_ si cal (fallback path)
 
-    static std::unique_ptr<Screen> instance_;
+    static std::unique_ptr<Screen> instance;
 
     SDL_Window* window_{nullptr};
     SDL_Renderer* renderer_{nullptr};

source/core/rendering/sdl3gpu/sdl3gpu_shader.cpp

@@ -1286,7 +1286,7 @@ namespace Rendering {
         }
     }
 
-    void SDL3GPUShader::setStretch4_3(bool enabled) {
+    void SDL3GPUShader::setStretch43(bool enabled) {
         stretch_4_3_ = enabled;
         if (!is_initialized_ || device_ == nullptr) {
             return;

source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp

@@ -118,8 +118,8 @@ namespace Rendering {
         [[nodiscard]] auto getActiveShader() const -> ShaderType override { return active_shader_; }
 
         // Estirament vertical 4:3 (fusionat amb l'upscale pass)
-        void setStretch4_3(bool enabled) override;
-        [[nodiscard]] auto isStretch4_3() const -> bool override { return stretch_4_3_; }
+        void setStretch43(bool enabled) override;
+        [[nodiscard]] auto isStretch43() const -> bool override { return stretch_4_3_; }
 
         // Filtre de textura global (sempre aplicat, independent de 4:3)
         void setTextureFilter(Options::TextureFilter filter) override {

source/core/rendering/shader_backend.hpp

@@ -171,8 +171,8 @@ namespace Rendering {
          * @brief Activa/desactiva estirament vertical 4:3 (200→240 línies efectives).
          * Només afecta el viewport, no les textures ni els shaders.
          */
-        virtual void setStretch4_3(bool /*enabled*/) {}
-        [[nodiscard]] virtual auto isStretch4_3() const -> bool { return false; }
+        virtual void setStretch43(bool /*enabled*/) {}
+        [[nodiscard]] virtual auto isStretch43() const -> bool { return false; }
 
         /**
          * @brief Filtre de textura global per a l'upscale final (sempre aplicat).

source/core/rendering/text.cpp

@@ -12,6 +12,7 @@
 
 // Forward declarations de gif.h (inclòs des de jdraw8.cpp, no es pot incloure dos vegades)
 struct rgb;
+// NOLINTNEXTLINE(readability-identifier-naming) — exportat per external/gif.h, no controlem el nom.
 extern auto LoadGif(unsigned char* data, unsigned short* w, unsigned short* h) -> unsigned char*;
 
 Text::Text(const char* fnt_file, const char* gif_file) {