diff --git a/src/nostalgia/modules/gfx/include/nostalgia/gfx/color.hpp b/src/nostalgia/modules/gfx/include/nostalgia/gfx/color.hpp
index f59dc82c..6c4ade33 100644
--- a/src/nostalgia/modules/gfx/include/nostalgia/gfx/color.hpp
+++ b/src/nostalgia/modules/gfx/include/nostalgia/gfx/color.hpp
@@ -19,10 +19,10 @@ using Color32 = uint32_t;
 
 [[nodiscard]]
 constexpr Color32 toColor32(Color16 nc) noexcept {
-	const auto r = static_cast<Color32>(((nc & 0b0000000000011111) >> 0) * 8);
-	const auto g = static_cast<Color32>(((nc & 0b0000001111100000) >> 5) * 8);
-	const auto b = static_cast<Color32>(((nc & 0b0111110000000000) >> 10) * 8);
-	const auto a = static_cast<Color32>(255);
+	auto const r = static_cast<Color32>(((nc & 0b0000000000011111) >> 0) * 8);
+	auto const g = static_cast<Color32>(((nc & 0b0000001111100000) >> 5) * 8);
+	auto const b = static_cast<Color32>(((nc & 0b0111110000000000) >> 10) * 8);
+	auto const a = static_cast<Color32>(255);
 	return r | (g << 8) | (b << 16) | (a << 24);
 }
 
diff --git a/src/nostalgia/modules/gfx/include/nostalgia/gfx/gfx.hpp b/src/nostalgia/modules/gfx/include/nostalgia/gfx/gfx.hpp
index ccde7b09..e80d3ba9 100644
--- a/src/nostalgia/modules/gfx/include/nostalgia/gfx/gfx.hpp
+++ b/src/nostalgia/modules/gfx/include/nostalgia/gfx/gfx.hpp
@@ -111,7 +111,7 @@ struct InitParams {
 	uint_t glBlocksPerSprite = 64;
 };
 
-ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const&params = {}) noexcept;
+ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const &params = {}) noexcept;
 
 [[nodiscard]]
 int tileColumns(Context&) noexcept;
@@ -122,12 +122,12 @@ int tileRows(Context&) noexcept;
 ox::Error loadBgPalette(
 		Context &ctx,
 		size_t palBank,
-		CompactPalette const&palette,
+		CompactPalette const &palette,
 		size_t page = 0) noexcept;
 
 ox::Error loadSpritePalette(
 		Context &ctx,
-		CompactPalette const&palette,
+		CompactPalette const &palette,
 		size_t page = 0) noexcept;
 
 ox::Error loadBgPalette(
@@ -138,7 +138,7 @@ ox::Error loadBgPalette(
 ox::Error loadBgPalette(
 		Context &ctx,
 		size_t palBank,
-		ox::FileAddress const&paletteAddr) noexcept;
+		ox::FileAddress const &paletteAddr) noexcept;
 
 ox::Error loadSpritePalette(
 		Context &ctx,
@@ -146,12 +146,12 @@ ox::Error loadSpritePalette(
 
 ox::Error loadSpritePalette(
 		Context &ctx,
-		ox::FileAddress const&paletteAddr) noexcept;
+		ox::FileAddress const &paletteAddr) noexcept;
 
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned cbb,
-		TileSheetSet const&set) noexcept;
+		TileSheetSet const &set) noexcept;
 
 void clearCbb(Context &ctx, unsigned cbb) noexcept;
 
@@ -160,7 +160,7 @@ void clearCbbs(Context &ctx) noexcept;
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned cbb,
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t dstTileIdx,
 		size_t srcTileIdx,
 		size_t tileCnt) noexcept;
@@ -176,7 +176,7 @@ ox::Error loadBgTileSheet(
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned cbb,
-		ox::FileAddress const&tsAddr,
+		ox::FileAddress const &tsAddr,
 		size_t dstTileIdx,
 		size_t srcTileIdx,
 		size_t tileCnt) noexcept;
@@ -184,24 +184,24 @@ ox::Error loadBgTileSheet(
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned cbb,
-		CompactTileSheet const&ts,
-		ox::Optional<unsigned> const&paletteBank = {}) noexcept;
+		CompactTileSheet const &ts,
+		ox::Optional<unsigned> const &paletteBank = {}) noexcept;
 
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned cbb,
 		ox::StringViewCR tilesheetPath,
-		ox::Optional<unsigned> const&paletteBank) noexcept;
+		ox::Optional<unsigned> const &paletteBank) noexcept;
 
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned cbb,
-		ox::FileAddress const&tilesheetAddr,
-		ox::Optional<unsigned> const&paletteBank = {}) noexcept;
+		ox::FileAddress const &tilesheetAddr,
+		ox::Optional<unsigned> const &paletteBank = {}) noexcept;
 
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		bool loadDefaultPalette) noexcept;
 
 ox::Error loadSpriteTileSheet(
@@ -211,16 +211,16 @@ ox::Error loadSpriteTileSheet(
 
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
-		ox::FileAddress const&tilesheetAddr,
+		ox::FileAddress const &tilesheetAddr,
 		bool loadDefaultPalette = false) noexcept;
 
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
-		TileSheetSet const&set) noexcept;
+		TileSheetSet const &set) noexcept;
 
 void setBgTile(Context &ctx, uint_t bgIdx, int column, int row, unsigned tile, unsigned palBank = 0) noexcept;
 
-void setBgTile(Context &ctx, uint_t bgIdx, int column, int row, BgTile const&tile) noexcept;
+void setBgTile(Context &ctx, uint_t bgIdx, int column, int row, BgTile const &tile) noexcept;
 
 void clearBg(Context &ctx, uint_t bgIdx) noexcept;
 
@@ -242,7 +242,7 @@ void hideSprite(Context &ctx, unsigned) noexcept;
 
 void showSprite(Context &ctx, unsigned) noexcept;
 
-void setSprite(Context &ctx, uint_t idx, Sprite const&sprite) noexcept;
+void setSprite(Context &ctx, uint_t idx, Sprite const &sprite) noexcept;
 
 [[nodiscard]]
 uint_t spriteCount(Context const &ctx) noexcept;
@@ -260,7 +260,7 @@ constexpr ox::CStringView GlslVersion = "#version 330";
 [[nodiscard]]
 ox::Size drawSize(int scale = 5) noexcept;
 
-void draw(gfx::Context &ctx, ox::Size const&renderSz) noexcept;
+void draw(gfx::Context &ctx, ox::Size const &renderSz) noexcept;
 
 void draw(gfx::Context&, int scale = 5) noexcept;
 
diff --git a/src/nostalgia/modules/gfx/include/nostalgia/gfx/ptidxconv.hpp b/src/nostalgia/modules/gfx/include/nostalgia/gfx/ptidxconv.hpp
index 8e2548ce..3ec062a5 100644
--- a/src/nostalgia/modules/gfx/include/nostalgia/gfx/ptidxconv.hpp
+++ b/src/nostalgia/modules/gfx/include/nostalgia/gfx/ptidxconv.hpp
@@ -12,15 +12,15 @@ namespace nostalgia::gfx {
 
 [[nodiscard]]
 constexpr std::size_t ptToIdx(int x, int y, int c, int scale = 1) noexcept {
-	const auto tileWidth = TileWidth * scale;
-	const auto tileHeight = TileHeight * scale;
-	const auto pixelsPerTile = tileWidth * tileHeight;
-	const auto colLength = static_cast<std::size_t>(pixelsPerTile);
-	const auto rowLength = static_cast<std::size_t>(static_cast<std::size_t>(c / tileWidth) * colLength);
-	const auto colStart = static_cast<std::size_t>(colLength * static_cast<std::size_t>(x / tileWidth));
-	const auto rowStart = static_cast<std::size_t>(rowLength * static_cast<std::size_t>(y / tileHeight));
-	const auto colOffset = static_cast<std::size_t>(x % tileWidth);
-	const auto rowOffset = static_cast<std::size_t>((y % tileHeight) * tileHeight);
+	auto const tileWidth = TileWidth * scale;
+	auto const tileHeight = TileHeight * scale;
+	auto const pixelsPerTile = tileWidth * tileHeight;
+	auto const colLength = static_cast<std::size_t>(pixelsPerTile);
+	auto const rowLength = static_cast<std::size_t>(static_cast<std::size_t>(c / tileWidth) * colLength);
+	auto const colStart = static_cast<std::size_t>(colLength * static_cast<std::size_t>(x / tileWidth));
+	auto const rowStart = static_cast<std::size_t>(rowLength * static_cast<std::size_t>(y / tileHeight));
+	auto const colOffset = static_cast<std::size_t>(x % tileWidth);
+	auto const rowOffset = static_cast<std::size_t>((y % tileHeight) * tileHeight);
 	return static_cast<std::size_t>(colStart + colOffset + rowStart + rowOffset);
 }
 
@@ -31,19 +31,19 @@ constexpr std::size_t ptToIdx(const ox::Point &pt, int c, int scale = 1) noexcep
 
 [[nodiscard]]
 constexpr ox::Point idxToPt(int i, int c, int scale = 1) noexcept {
-	const auto tileWidth = TileWidth * scale;
-	const auto tileHeight = TileHeight * scale;
-	const auto pixelsPerTile = tileWidth * tileHeight;
+	auto const tileWidth = TileWidth * scale;
+	auto const tileHeight = TileHeight * scale;
+	auto const pixelsPerTile = tileWidth * tileHeight;
 	// prevent divide by zeros
 	if (!c) {
 		++c;
 	}
-	const auto t = i / pixelsPerTile; // tile number
-	const auto iti = i % pixelsPerTile; // in tile index
-	const auto tc = t % c; // tile column
-	const auto tr = t / c; // tile row
-	const auto itx = iti % tileWidth; // in tile x
-	const auto ity = iti / tileHeight; // in tile y
+	auto const t = i / pixelsPerTile; // tile number
+	auto const iti = i % pixelsPerTile; // in tile index
+	auto const tc = t % c; // tile column
+	auto const tr = t / c; // tile row
+	auto const itx = iti % tileWidth; // in tile x
+	auto const ity = iti / tileHeight; // in tile y
 	return {
 		itx + tc * tileWidth,
 		ity + tr * tileHeight,
diff --git a/src/nostalgia/modules/gfx/src/gfx-gba.cpp b/src/nostalgia/modules/gfx/src/gfx-gba.cpp
index ceea7d41..faea11bd 100644
--- a/src/nostalgia/modules/gfx/src/gfx-gba.cpp
+++ b/src/nostalgia/modules/gfx/src/gfx-gba.cpp
@@ -246,7 +246,11 @@ ox::Error loadSpriteTileSheet(
 }
 
 void setBgTile(
-	Context &ctx, uint_t const bgIdx, int const column, int const row, BgTile const &tile) noexcept {
+	Context &ctx,
+	uint_t const bgIdx,
+	int const column,
+	int const row,
+	BgTile const &tile) noexcept {
 	auto const tileIdx = static_cast<std::size_t>(row * tileColumns(ctx) + column);
 	// see Tonc 9.3
 	MEM_BG_MAP[bgIdx][tileIdx] =
@@ -286,7 +290,7 @@ void setBgBpp(Context&, unsigned const bgIdx, unsigned const bpp) noexcept {
 
 void setBgCbb(Context &ctx, unsigned const bgIdx, unsigned const cbbIdx) noexcept {
 	auto &bgCtl = regBgCtl(bgIdx);
-	const auto &cbbData = ctx.cbbData[cbbIdx];
+	auto const &cbbData = ctx.cbbData[cbbIdx];
 	teagba::bgSetBpp(bgCtl, cbbData.bpp);
 	teagba::bgSetCbb(bgCtl, cbbIdx);
 }
@@ -341,13 +345,13 @@ uint_t spriteCount(Context const &) noexcept {
 
 namespace ox {
 
-void panic(const char *file, int line, const char *panicMsg, ox::Error const &err) noexcept {
+void panic(char const *file, int line, char const *panicMsg, ox::Error const &err) noexcept {
 	using namespace nostalgia::gfx;
 	// reset heap to make sure we have enough memory to allocate context data
 	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
-	const auto heapBegin = reinterpret_cast<char*>(MEM_EWRAM_BEGIN);
-	const auto heapSz = (MEM_EWRAM_END - MEM_EWRAM_BEGIN) / 2;
-	const auto heapEnd = reinterpret_cast<char*>(MEM_EWRAM_BEGIN + heapSz);
+	auto const heapBegin = reinterpret_cast<char*>(MEM_EWRAM_BEGIN);
+	auto const heapSz = (MEM_EWRAM_END - MEM_EWRAM_BEGIN) / 2;
+	auto const heapEnd = reinterpret_cast<char*>(MEM_EWRAM_BEGIN + heapSz);
 	ox::heapmgr::initHeap(heapBegin, heapEnd);
 	OX_ALLOW_UNSAFE_BUFFERS_END
 	auto tctx = turbine::init(keel::loadRomFs("").unwrap(), "Nostalgia").unwrap();
diff --git a/src/nostalgia/modules/gfx/src/gfx-opengl.cpp b/src/nostalgia/modules/gfx/src/gfx-opengl.cpp
index 182d09bc..a3a17f31 100644
--- a/src/nostalgia/modules/gfx/src/gfx-opengl.cpp
+++ b/src/nostalgia/modules/gfx/src/gfx-opengl.cpp
@@ -287,7 +287,7 @@ static void initSpriteBufferObjects(Context const &ctx, glutils::BufferSet &bs)
 static void initBackgroundBufferObjects(glutils::BufferSet &bs) noexcept {
 	for (auto x = 0u; x < TileColumns; ++x) {
 		for (auto y = 0u; y < TileRows; ++y) {
-			const auto i = bgVertexRow(x, y);
+			auto const i = bgVertexRow(x, y);
 			auto const vbo = ox::Span{bs.vertices}
 				+ i * static_cast<std::size_t>(BgVertexVboLength);
 			auto const ebo = ox::Span{bs.elements}
@@ -387,7 +387,7 @@ static void initBackgroundBufferset(
 static glutils::GLTexture createTexture(
 		GLsizei const w,
 		GLsizei const h,
-		void const*pixels) noexcept {
+		void const *pixels) noexcept {
 	GLuint texId = 0;
 	glGenTextures(1, &texId);
 	glutils::GLTexture tex(texId);
@@ -425,22 +425,22 @@ static void drawBackground(CBB &cbb) noexcept {
 
 static void drawBackgrounds(
 		Context &ctx,
-		ox::Size const&renderSz) noexcept {
+		ox::Size const &renderSz) noexcept {
 	// load background shader and its uniforms
 	glUseProgram(ctx.bgShader);
-	const auto uniformSrcImgSz = glGetUniformLocation(ctx.bgShader, "fSrcImgSz");
-	const auto uniformXScale = static_cast<GLint>(glGetUniformLocation(ctx.bgShader, "vXScale"));
-	const auto uniformTileHeight = static_cast<GLint>(glGetUniformLocation(ctx.bgShader, "vTileHeight"));
-	const auto uniformBgIdx = static_cast<GLint>(glGetUniformLocation(ctx.bgShader, "vBgIdx"));
-	const auto [wi, hi] = renderSz;
-	const auto wf = static_cast<float>(wi);
-	const auto hf = static_cast<float>(hi);
+	auto const uniformSrcImgSz = glGetUniformLocation(ctx.bgShader, "fSrcImgSz");
+	auto const uniformXScale = static_cast<GLint>(glGetUniformLocation(ctx.bgShader, "vXScale"));
+	auto const uniformTileHeight = static_cast<GLint>(glGetUniformLocation(ctx.bgShader, "vTileHeight"));
+	auto const uniformBgIdx = static_cast<GLint>(glGetUniformLocation(ctx.bgShader, "vBgIdx"));
+	auto const [wi, hi] = renderSz;
+	auto const wf = static_cast<float>(wi);
+	auto const hf = static_cast<float>(hi);
 	glUniform1f(uniformXScale, hf / wf);
 	auto bgIdx = 0.f;
-	for (const auto &bg : ctx.backgrounds) {
+	for (auto const &bg : ctx.backgrounds) {
 		if (bg.enabled) {
 			auto &cbb = ctx.cbbs[bg.cbbIdx];
-			const auto tileRows = cbb.tex.height / (TileHeight * Scale);
+			auto const tileRows = cbb.tex.height / (TileHeight * Scale);
 			glUniform1f(uniformTileHeight, 1.0f / static_cast<float>(tileRows));
 			glUniform2f(
 					uniformSrcImgSz,
@@ -456,11 +456,11 @@ static void drawBackgrounds(
 static void drawSprites(Context &ctx, ox::Size const&renderSz) noexcept {
 	glUseProgram(ctx.spriteShader);
 	auto &sb = ctx.spriteBlocks;
-	const auto uniformXScale = glGetUniformLocation(ctx.bgShader, "vXScale");
-	const auto uniformTileHeight = glGetUniformLocation(ctx.spriteShader, "vTileHeight");
-	const auto [wi, hi] = renderSz;
-	const auto wf = static_cast<float>(wi);
-	const auto hf = static_cast<float>(hi);
+	auto const uniformXScale = glGetUniformLocation(ctx.bgShader, "vXScale");
+	auto const uniformTileHeight = glGetUniformLocation(ctx.spriteShader, "vTileHeight");
+	auto const [wi, hi] = renderSz;
+	auto const wf = static_cast<float>(wi);
+	auto const hf = static_cast<float>(hi);
 	glUniform1f(uniformXScale, hf / wf);
 	// update vbo
 	glBindVertexArray(sb.vao);
@@ -469,7 +469,7 @@ static void drawSprites(Context &ctx, ox::Size const&renderSz) noexcept {
 		glutils::sendVbo(sb);
 	}
 	// set vTileHeight uniform
-	const auto tileRows = sb.tex.height / (TileHeight * Scale);
+	auto const tileRows = sb.tex.height / (TileHeight * Scale);
 	glUniform1f(uniformTileHeight, 1.0f / static_cast<float>(tileRows));
 	// draw
 	glBindTexture(GL_TEXTURE_2D, sb.tex);
@@ -493,7 +493,7 @@ static void loadPalette(
 	// make first color transparent
 	palette[palOffset + 3] = 0;
 	glUseProgram(shaderPgrm);
-	const auto uniformPalette = static_cast<GLint>(glGetUniformLocation(shaderPgrm, "fPalette"));
+	auto const uniformPalette = static_cast<GLint>(glGetUniformLocation(shaderPgrm, "fPalette"));
 	glUniform4fv(uniformPalette, ColorCnt, palette.data());
 }
 
@@ -526,12 +526,12 @@ static void setSprite(
 	auto const uY = static_cast<int>(s.y + 8) % 255 - 8;
 	oxAssert(1 < ctx.spriteBlocks.vertices.size(), "vbo overflow");
 	oxAssert(1 < ctx.spriteBlocks.elements.size(), "ebo overflow");
-	const auto spriteVboSz = ctx.blocksPerSprite * renderer::SpriteVertexVboLength;
-	const auto spriteEboSz = ctx.blocksPerSprite * renderer::SpriteVertexEboLength;
+	auto const spriteVboSz = ctx.blocksPerSprite * renderer::SpriteVertexVboLength;
+	auto const spriteEboSz = ctx.blocksPerSprite * renderer::SpriteVertexEboLength;
 	auto const vboBase = spriteVboSz * idx;
 	auto const eboBase = spriteEboSz * idx;
 	auto i = 0u;
-	const auto set = [&](int xIt, int yIt, bool enabled) {
+	auto const set = [&](int xIt, int yIt, bool enabled) {
 		auto const fX = static_cast<float>(uX + xIt * 8) / 8;
 		auto const fY = static_cast<float>(uY + yIt * 8) / 8;
 		auto const vboIdx = vboBase + renderer::SpriteVertexVboLength * i;
@@ -576,10 +576,10 @@ static void setSprite(
 
 ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const&params) noexcept {
 	auto ctx = ox::make_unique<Context>(tctx, params);
-	const auto bgVshad = ox::sfmt(renderer::bgvshadTmpl, gl::GlslVersion);
-	const auto bgFshad = ox::sfmt(renderer::bgfshadTmpl, gl::GlslVersion);
-	const auto spriteVshad = ox::sfmt(renderer::spritevshadTmpl, gl::GlslVersion);
-	const auto spriteFshad = ox::sfmt(renderer::spritefshadTmpl, gl::GlslVersion);
+	auto const bgVshad = ox::sfmt(renderer::bgvshadTmpl, gl::GlslVersion);
+	auto const bgFshad = ox::sfmt(renderer::bgfshadTmpl, gl::GlslVersion);
+	auto const spriteVshad = ox::sfmt(renderer::spritevshadTmpl, gl::GlslVersion);
+	auto const spriteFshad = ox::sfmt(renderer::spritefshadTmpl, gl::GlslVersion);
 	OX_RETURN_ERROR(glutils::buildShaderProgram(bgVshad, bgFshad).moveTo(ctx->bgShader));
 	OX_RETURN_ERROR(
 			glutils::buildShaderProgram(spriteVshad, spriteFshad).moveTo(ctx->spriteShader));
@@ -603,12 +603,12 @@ struct TileSheetData {
 	}
 };
 
-static ox::Result<TileSheetData> normalizeTileSheet(
-		CompactTileSheet const&ts) noexcept {
+static ox::Result<TileSheetData> normalizeTileSheet
+		(CompactTileSheet const&ts) noexcept {
 	const uint_t bytesPerTile = ts.bpp == 8 ? PixelsPerTile : PixelsPerTile / 2;
-	const auto tiles = ts.pixels.size() / bytesPerTile;
+	auto const tiles = ts.pixels.size() / bytesPerTile;
 	constexpr int width = 8;
-	const int height = 8 * static_cast<int>(tiles);
+	int const height = 8 * static_cast<int>(tiles);
 	ox::Vector<uint32_t> pixels;
 	if (bytesPerTile == 64) { // 8 BPP
 		pixels.resize(ts.pixels.size());
@@ -779,13 +779,13 @@ void setBgTile(
 			"nostalgia.gfx.setBgTile",
 			"bgIdx: {}, column: {}, row: {}, tile: {}, palBank: {}",
 			bgIdx, column, row, tile.tileIdx, tile.palBank);
-	const auto z = static_cast<uint_t>(bgIdx);
-	const auto y = static_cast<uint_t>(row);
-	const auto x = static_cast<uint_t>(column);
-	const auto i = renderer::bgVertexRow(x, y);
+	auto const z = static_cast<uint_t>(bgIdx);
+	auto const y = static_cast<uint_t>(row);
+	auto const x = static_cast<uint_t>(column);
+	auto const i = renderer::bgVertexRow(x, y);
 	auto &cbb = ctx.cbbs[z];
-	const auto vbo = ox::Span{cbb.vertices} + i * renderer::BgVertexVboLength;
-	const auto ebo = ox::Span{cbb.elements} + i * renderer::BgVertexEboLength;
+	auto const vbo = ox::Span{cbb.vertices} + i * renderer::BgVertexVboLength;
+	auto const ebo = ox::Span{cbb.elements} + i * renderer::BgVertexEboLength;
 	auto &bg = ctx.backgrounds[bgIdx];
 	renderer::setTileBufferObject(
 			static_cast<uint_t>(i * renderer::BgVertexVboRows),
diff --git a/src/nostalgia/modules/gfx/src/gfx.cpp b/src/nostalgia/modules/gfx/src/gfx.cpp
index 89f09689..ac429b77 100644
--- a/src/nostalgia/modules/gfx/src/gfx.cpp
+++ b/src/nostalgia/modules/gfx/src/gfx.cpp
@@ -51,7 +51,7 @@ ox::Error loadSpritePalette(
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned const cbb,
-		ox::FileAddress const&tsAddr,
+		ox::FileAddress const &tsAddr,
 		size_t const dstTileIdx,
 		size_t const srcTileIdx,
 		size_t const tileCnt) noexcept {
@@ -74,7 +74,7 @@ ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned const cbb,
 		ox::StringViewCR tilesheetPath,
-		ox::Optional<unsigned> const&paletteBank) noexcept {
+		ox::Optional<unsigned> const &paletteBank) noexcept {
 	OX_REQUIRE(ts, keel::readObj<CompactTileSheet>(keelCtx(ctx), tilesheetPath));
 	return loadBgTileSheet(ctx, cbb, *ts, paletteBank);
 }
@@ -82,8 +82,8 @@ ox::Error loadBgTileSheet(
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned const cbb,
-		ox::FileAddress const&tilesheetAddr,
-		ox::Optional<unsigned> const&paletteBank) noexcept {
+		ox::FileAddress const &tilesheetAddr,
+		ox::Optional<unsigned> const &paletteBank) noexcept {
 	OX_REQUIRE(ts, keel::readObj<CompactTileSheet>(keelCtx(ctx), tilesheetAddr));
 	return loadBgTileSheet(ctx, cbb, *ts, paletteBank);
 }
@@ -98,7 +98,7 @@ ox::Error loadSpriteTileSheet(
 
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
-		ox::FileAddress const&tilesheetAddr,
+		ox::FileAddress const &tilesheetAddr,
 		bool const loadDefaultPalette) noexcept {
 	OX_REQUIRE(ts, readObj<CompactTileSheet>(keelCtx(ctx), tilesheetAddr));
 	return loadSpriteTileSheet(ctx, *ts, loadDefaultPalette);
diff --git a/src/nostalgia/modules/gfx/src/keel/keelmodule.cpp b/src/nostalgia/modules/gfx/src/keel/keelmodule.cpp
index fbef02ed..737837f9 100644
--- a/src/nostalgia/modules/gfx/src/keel/keelmodule.cpp
+++ b/src/nostalgia/modules/gfx/src/keel/keelmodule.cpp
@@ -89,7 +89,7 @@ static class: public keel::Module {
 
 } const mod;
 
-keel::Module const*keelModule() noexcept {
+keel::Module const *keelModule() noexcept {
 	return &mod;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/keel/typeconv.cpp b/src/nostalgia/modules/gfx/src/keel/typeconv.cpp
index 31d48029..3b179ddd 100644
--- a/src/nostalgia/modules/gfx/src/keel/typeconv.cpp
+++ b/src/nostalgia/modules/gfx/src/keel/typeconv.cpp
@@ -61,7 +61,7 @@ ox::Error convertPaletteV4ToPaletteV5(
 	for (auto &s : src.pages) {
 		ox::Vector<PaletteColorV2> colors;
 		colors.reserve(s.colors.size());
-		for (auto const&c : s.colors) {
+		for (auto const &c : s.colors) {
 			colors.emplace_back(c.r, c.g, c.b, c.a);
 		}
 		dst.pages.emplace_back(PalettePageV2{
diff --git a/src/nostalgia/modules/gfx/src/keel/typeconv.hpp b/src/nostalgia/modules/gfx/src/keel/typeconv.hpp
index bc55aa9f..6be75f96 100644
--- a/src/nostalgia/modules/gfx/src/keel/typeconv.hpp
+++ b/src/nostalgia/modules/gfx/src/keel/typeconv.hpp
@@ -8,7 +8,6 @@
 
 #include <keel/typeconv.hpp>
 
-#include <nostalgia/gfx/context.hpp>
 #include <nostalgia/gfx/palette.hpp>
 #include <nostalgia/gfx/tilesheet.hpp>
 
diff --git a/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.hpp b/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.hpp
index cba95ffd..0d167c3f 100644
--- a/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.hpp
@@ -20,7 +20,7 @@ class PaletteEditorImGui: public studio::Editor {
 				bool m_show = false;
 			public:
 				ox::Signal<ox::Error(ox::StringView name)> inputSubmitted;
-				constexpr void show(ox::StringView const&name) noexcept {
+				constexpr void show(ox::StringView const &name) noexcept {
 					m_show = true;
 					m_name = name;
 				}
diff --git a/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp b/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp
index 182f4464..58b03a20 100644
--- a/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp
@@ -30,7 +30,7 @@ static class: public studio::Module {
 	}
 } const mod;
 
-const studio::Module *studioModule() noexcept {
+studio::Module const *studioModule() noexcept {
 	return &mod;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.cpp
index ba35b392..f311ec7a 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.cpp
@@ -60,7 +60,7 @@ int AddSubSheetCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::AddSubSheet);
 }
 
-TileSheet::SubSheetIdx const&AddSubSheetCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &AddSubSheetCommand::subsheetIdx() const noexcept {
 	return m_parentIdx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.hpp
index e268a6d5..b5b79ef0 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.hpp
@@ -25,7 +25,7 @@ class AddSubSheetCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/commands.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/commands.hpp
index 17b98990..c193e935 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/commands.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/commands.hpp
@@ -37,7 +37,7 @@ constexpr bool operator==(int i, CommandId c) noexcept {
 class TileSheetCommand: public studio::UndoCommand {
 	public:
 		[[nodiscard]]
-		virtual TileSheet::SubSheetIdx const&subsheetIdx() const noexcept = 0;
+		virtual TileSheet::SubSheetIdx const &subsheetIdx() const noexcept = 0;
 };
 
 }
\ No newline at end of file
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.cpp
index a09bdd5f..f0acb7f2 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.cpp
@@ -48,7 +48,7 @@ CutPasteCommand::CutPasteCommand(
 
 ox::Error CutPasteCommand::redo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
-	for (const auto &c : m_changes) {
+	for (auto const &c : m_changes) {
 		subsheet.pixels[c.idx] = static_cast<uint8_t>(c.newPalIdx);
 	}
 	return {};
@@ -56,7 +56,7 @@ ox::Error CutPasteCommand::redo() noexcept {
 
 ox::Error CutPasteCommand::undo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
-	for (const auto &c : m_changes) {
+	for (auto const &c : m_changes) {
 		subsheet.pixels[c.idx] = static_cast<uint8_t>(c.oldPalIdx);
 	}
 	return {};
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.hpp
index 0ff7966b..25146141 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.hpp
@@ -30,10 +30,10 @@ class TileSheetClipboard: public turbine::ClipboardObject<TileSheetClipboard> {
 		ox::Vector<Pixel> m_pixels;
 
 	public:
-		void addPixel(ox::Point const&pt, uint16_t colorIdx) noexcept;
+		void addPixel(ox::Point const &pt, uint16_t colorIdx) noexcept;
 
 		[[nodiscard]]
-		ox::Vector<Pixel> const&pixels() const noexcept;
+		ox::Vector<Pixel> const &pixels() const noexcept;
 };
 
 OX_MODEL_BEGIN(TileSheetClipboard::Pixel)
@@ -67,9 +67,9 @@ class CutPasteCommand: public TileSheetCommand {
 				CommandId commandId,
 				TileSheet &img,
 				TileSheet::SubSheetIdx subSheetIdx,
-				ox::Point const&dstStart,
+				ox::Point const &dstStart,
 				ox::Point dstEnd,
-				TileSheetClipboard const&cb);
+				TileSheetClipboard const &cb);
 
 		ox::Error redo() noexcept final;
 
@@ -79,7 +79,7 @@ class CutPasteCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.cpp
index 9350df0d..a497f7c3 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.cpp
@@ -66,7 +66,7 @@ int DeleteTilesCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::DeleteTile);
 }
 
-TileSheet::SubSheetIdx const&DeleteTilesCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &DeleteTilesCommand::subsheetIdx() const noexcept {
 	return m_idx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.hpp
index a0e0b34b..5de97235 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.hpp
@@ -31,7 +31,7 @@ class DeleteTilesCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.cpp
index ea5ced0c..d8791c03 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.cpp
@@ -74,7 +74,7 @@ DrawCommand::DrawCommand(
 DrawCommand::DrawCommand(
 		TileSheet &img,
 		TileSheet::SubSheetIdx subSheetIdx,
-		ox::SpanView<std::size_t> const&idxList,
+		ox::SpanView<std::size_t> const &idxList,
 		int const palIdx) noexcept:
 		m_img(img),
 		m_subSheetIdx(std::move(subSheetIdx)),
@@ -90,7 +90,7 @@ bool DrawCommand::append(std::size_t const idx) noexcept {
 	if (m_changes.back().value->idx != idx && getPixel(subsheet, idx) != m_palIdx) {
 		// duplicate entries are bad
 		auto existing = find_if(
-			m_changes.cbegin(), m_changes.cend(), [idx](auto const&c) {
+			m_changes.cbegin(), m_changes.cend(), [idx](auto const &c) {
 			return c.idx == idx;
 		});
 		if (existing == m_changes.cend()) {
@@ -102,7 +102,7 @@ bool DrawCommand::append(std::size_t const idx) noexcept {
 	return false;
 }
 
-bool DrawCommand::append(ox::SpanView<std::size_t> const&idxList) noexcept {
+bool DrawCommand::append(ox::SpanView<std::size_t> const &idxList) noexcept {
 	auto out = false;
 	for (auto idx : idxList) {
 		out = append(idx) || out;
@@ -134,7 +134,7 @@ void DrawCommand::lineUpdate(ox::Point a, ox::Point b) noexcept {
 
 ox::Error DrawCommand::redo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
-	for (auto const&c : m_changes) {
+	for (auto const &c : m_changes) {
 		subsheet.pixels[c.idx] = static_cast<uint8_t>(m_palIdx);
 	}
 	return {};
@@ -142,7 +142,7 @@ ox::Error DrawCommand::redo() noexcept {
 
 ox::Error DrawCommand::undo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
-	for (auto const&c : m_changes) {
+	for (auto const &c : m_changes) {
 		subsheet.pixels[c.idx] = static_cast<uint8_t>(c.oldPalIdx);
 	}
 	return {};
@@ -152,7 +152,7 @@ int DrawCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::Draw);
 }
 
-TileSheet::SubSheetIdx const&DrawCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &DrawCommand::subsheetIdx() const noexcept {
 	return m_subSheetIdx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.hpp
index 84b21188..51f78d88 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.hpp
@@ -33,12 +33,12 @@ class DrawCommand: public TileSheetCommand {
 		DrawCommand(
 				TileSheet &img,
 				TileSheet::SubSheetIdx subSheetIdx,
-				ox::SpanView<std::size_t> const&idxList,
+				ox::SpanView<std::size_t> const &idxList,
 				int palIdx) noexcept;
 
 		bool append(std::size_t idx) noexcept;
 
-		bool append(ox::SpanView<std::size_t> const&idxList) noexcept;
+		bool append(ox::SpanView<std::size_t> const &idxList) noexcept;
 
 		void lineUpdate(ox::Point a, ox::Point b) noexcept;
 
@@ -50,7 +50,7 @@ class DrawCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 		void finish() noexcept;
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/flipcommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/flipcommand.hpp
index 8d1d7b34..6870d6f8 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/flipcommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/flipcommand.hpp
@@ -30,7 +30,7 @@ class FlipXCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
@@ -56,7 +56,7 @@ class FlipYCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.cpp
index 15109eb5..7531d06a 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.cpp
@@ -62,7 +62,7 @@ int InsertTilesCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::InsertTile);
 }
 
-TileSheet::SubSheetIdx const&InsertTilesCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &InsertTilesCommand::subsheetIdx() const noexcept {
 	return m_idx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.hpp
index 220311bd..449e1903 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/inserttilescommand.hpp
@@ -31,7 +31,7 @@ class InsertTilesCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.cpp
index d251d93a..04269adb 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.cpp
@@ -33,7 +33,7 @@ int MoveSubSheetCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::MoveSubSheet);
 }
 
-TileSheet::SubSheetIdx const&MoveSubSheetCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &MoveSubSheetCommand::subsheetIdx() const noexcept {
 	return *m_active;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.hpp
index 06fc9dd9..35e40eb1 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/movesubsheetcommand.hpp
@@ -26,7 +26,7 @@ class MoveSubSheetCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.cpp
index 2da6338d..3bf022ed 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.cpp
@@ -30,7 +30,7 @@ int PaletteChangeCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::PaletteChange);
 }
 
-TileSheet::SubSheetIdx const&PaletteChangeCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &PaletteChangeCommand::subsheetIdx() const noexcept {
 	return m_idx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.hpp
index 4e2a06a4..7fa176f2 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/palettechangecommand.hpp
@@ -29,7 +29,7 @@ class PaletteChangeCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.cpp
index bb11bb66..4027686a 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.cpp
@@ -31,7 +31,7 @@ int RmSubSheetCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::RmSubSheet);
 }
 
-TileSheet::SubSheetIdx const&RmSubSheetCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &RmSubSheetCommand::subsheetIdx() const noexcept {
 	return m_idx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.hpp
index 1813c774..9d488b1c 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rmsubsheetcommand.hpp
@@ -26,7 +26,7 @@ class RmSubSheetCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.cpp
index b9452a1c..4dd6ed2e 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.cpp
@@ -119,7 +119,7 @@ int RotateCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::Rotate);
 }
 
-TileSheet::SubSheetIdx const&RotateCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &RotateCommand::subsheetIdx() const noexcept {
 	return m_idx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.hpp
index 2418b1a1..5d801b13 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/rotatecommand.hpp
@@ -40,7 +40,7 @@ class RotateCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.cpp
index e4d7c8ab..5839b25d 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.cpp
@@ -33,7 +33,7 @@ int UpdateSubSheetCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::UpdateSubSheet);
 }
 
-TileSheet::SubSheetIdx const&UpdateSubSheetCommand::subsheetIdx() const noexcept {
+TileSheet::SubSheetIdx const &UpdateSubSheetCommand::subsheetIdx() const noexcept {
 	return m_idx;
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.hpp
index 4969488a..57edc8b4 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/updatesubsheetcommand.hpp
@@ -30,7 +30,7 @@ class UpdateSubSheetCommand: public TileSheetCommand {
 		int commandId() const noexcept final;
 
 		[[nodiscard]]
-		TileSheet::SubSheetIdx const&subsheetIdx() const noexcept override;
+		TileSheet::SubSheetIdx const &subsheetIdx() const noexcept override;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
index 5c68a828..5d611859 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
@@ -66,7 +66,7 @@ void TileSheetEditorModel::cut() {
 	}
 	TileSheetClipboard blankCb;
 	auto cb = ox::make_unique<TileSheetClipboard>();
-	auto const&s = activeSubSheet();
+	auto const &s = activeSubSheet();
 	if (iterateSelectionRows(*m_selection, [&](int const x, int const y) {
 		auto pt = ox::Point{x, y};
 		auto const idx = gfx::idx(s, pt);
@@ -97,7 +97,7 @@ void TileSheetEditorModel::copy() {
 	auto cb = ox::make_unique<TileSheetClipboard>();
 	if (iterateSelectionRows(*m_selection, [&](int const x, int const y) {
 		auto pt = ox::Point{x, y};
-		auto const&s = activeSubSheet();
+		auto const &s = activeSubSheet();
 		auto const idx = gfx::idx(s, pt);
 		if (idx >= s.pixels.size()) {
 			return ox::Error{1, "invalid idx"};
@@ -122,7 +122,7 @@ void TileSheetEditorModel::paste() {
 		oxErrf("Could not read clipboard: {}", toStr(err));
 		return;
 	}
-	auto const&s = activeSubSheet();
+	auto const &s = activeSubSheet();
 	auto const pt1 = m_selection->a;
 	auto const pt2 = ox::Point{s.columns * TileWidth, s.rows * TileHeight};
 	if (auto cmd = ox::make_unique_catch<CutPasteCommand>(
@@ -235,7 +235,7 @@ void TileSheetEditorModel::setActiveSubsheet(TileSheet::SubSheetIdx const &idx)
 }
 
 void TileSheetEditorModel::fill(ox::Point const &pt, uint8_t const palIdx) noexcept {
-	auto const&activeSubSheet = getSubSheet(m_img, m_activeSubsSheetIdx);
+	auto const &activeSubSheet = getSubSheet(m_img, m_activeSubsSheetIdx);
 	// build idx list
 	if (pt.x >= activeSubSheet.columns * TileWidth || pt.y >= activeSubSheet.rows * TileHeight) {
 		return;
@@ -303,7 +303,7 @@ void TileSheetEditorModel::completeSelection() noexcept {
 		m_selTracker.finishSelection();
 		m_selection.emplace(m_selTracker.selection());
 		auto&pt = m_selection->b;
-		auto const&s = activeSubSheet();
+		auto const &s = activeSubSheet();
 		pt.x = ox::min(s.columns * TileWidth - 1, pt.x);
 		pt.y = ox::min(s.rows * TileHeight - 1, pt.y);
 	}
@@ -356,7 +356,7 @@ ox::Error TileSheetEditorModel::saveFile() noexcept {
 }
 
 bool TileSheetEditorModel::pixelSelected(std::size_t const idx) const noexcept {
-	auto const&s = activeSubSheet();
+	auto const &s = activeSubSheet();
 	auto const pt = idxToPt(static_cast<int>(idx), s.columns);
 	return m_selection && m_selection->contains(pt);
 }
@@ -398,7 +398,7 @@ ox::Error TileSheetEditorModel::moveSubSheet(TileSheet::SubSheetIdx src, TileShe
 }
 
 void TileSheetEditorModel::getFillPixels(
-		TileSheet::SubSheet const&activeSubSheet,
+		TileSheet::SubSheet const &activeSubSheet,
 		ox::Span<bool> const pixels,
 		ox::Point const &pt,
 		uint8_t const oldColor) noexcept {
@@ -448,7 +448,7 @@ ox::Error TileSheetEditorModel::pushCommand(ox::UPtr<studio::UndoCommand> &&cmd)
 	return {};
 }
 
-ox::Error TileSheetEditorModel::handleFileRename(ox::StringViewCR, ox::StringViewCR newPath, ox::UUID const&id) noexcept {
+ox::Error TileSheetEditorModel::handleFileRename(ox::StringViewCR, ox::StringViewCR newPath, ox::UUID const &id) noexcept {
 	if ((beginsWith(m_img.defaultPalette, "uuid://") &&
 			substr(m_img.defaultPalette, 7) == id.toString()) ||
 		m_img.defaultPalette == newPath) {
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.cpp
index 1190db3a..5e5af45b 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.cpp
@@ -29,8 +29,8 @@ void TileSheetEditorView::draw() noexcept {
 	m_pixelGridDrawer.draw(updated(), m_scrollOffset);
 }
 
-void TileSheetEditorView::scrollV(ox::Vec2 const&paneSz, float wheel, bool zoomMod) noexcept {
-	auto const&s = m_model.activeSubSheet();
+void TileSheetEditorView::scrollV(ox::Vec2 const &paneSz, float wheel, bool zoomMod) noexcept {
+	auto const &s = m_model.activeSubSheet();
 	auto const pixelSize = m_pixelsDrawer.pixelSize(paneSz);
 	ImVec2 const sheetSize(pixelSize.x * static_cast<float>(s.columns) * TileWidth,
 	                       pixelSize.y * static_cast<float>(s.rows) * TileHeight);
@@ -47,8 +47,8 @@ void TileSheetEditorView::scrollV(ox::Vec2 const&paneSz, float wheel, bool zoomM
 	m_scrollOffset.y = ox::clamp(m_scrollOffset.y, 0.f, sheetSize.y / 2);
 }
 
-void TileSheetEditorView::scrollH(ox::Vec2 const&paneSz, float wheelh) noexcept {
-	auto const&s = m_model.activeSubSheet();
+void TileSheetEditorView::scrollH(ox::Vec2 const &paneSz, float wheelh) noexcept {
+	auto const &s = m_model.activeSubSheet();
 	auto const pixelSize = m_pixelsDrawer.pixelSize(paneSz);
 	ImVec2 const sheetSize(pixelSize.x * static_cast<float>(s.columns) * TileWidth,
 	                       pixelSize.y * static_cast<float>(s.rows) * TileHeight);
@@ -56,43 +56,43 @@ void TileSheetEditorView::scrollH(ox::Vec2 const&paneSz, float wheelh) noexcept
 	m_scrollOffset.x = ox::clamp(m_scrollOffset.x, -(sheetSize.x / 2), 0.f);
 }
 
-void TileSheetEditorView::insertTile(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept {
+void TileSheetEditorView::insertTile(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept {
 	auto pt = clickPoint(paneSize, clickPos);
-	auto const&s = m_model.activeSubSheet();
+	auto const &s = m_model.activeSubSheet();
 	pt.x = ox::min(pt.x, s.columns * TileWidth - 1);
 	pt.y = ox::min(pt.y, s.rows * TileHeight - 1);
 	auto const tileIdx = ptToIdx(pt, s.columns) / PixelsPerTile;
 	m_model.insertTiles(m_model.activeSubSheetIdx(), tileIdx, 1);
 }
 
-void TileSheetEditorView::deleteTile(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept {
+void TileSheetEditorView::deleteTile(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept {
 	auto const pt = clickPoint(paneSize, clickPos);
-	auto const&s = m_model.activeSubSheet();
+	auto const &s = m_model.activeSubSheet();
 	auto const tileIdx = ptToIdx(pt, s.columns) / PixelsPerTile;
 	m_model.deleteTiles(m_model.activeSubSheetIdx(), tileIdx, 1);
 }
 
-void TileSheetEditorView::clickDraw(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept {
+void TileSheetEditorView::clickDraw(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept {
 	auto const pt = clickPoint(paneSize, clickPos);
 	m_model.drawCommand(pt, m_palIdx);
 }
 
-void TileSheetEditorView::clickLine(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept {
+void TileSheetEditorView::clickLine(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept {
 	auto const pt = clickPoint(paneSize, clickPos);
 	m_model.drawLineCommand(pt, m_palIdx);
 }
 
-void TileSheetEditorView::clickSelect(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept {
+void TileSheetEditorView::clickSelect(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept {
 	auto const pt = clickPoint(paneSize, clickPos);
 	m_model.select(pt);
 }
 
-void TileSheetEditorView::clickFill(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept {
+void TileSheetEditorView::clickFill(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept {
 	auto const pt = clickPoint(paneSize, clickPos);
 	m_model.fill(pt, static_cast<uint8_t>(m_palIdx));
 }
 
-void TileSheetEditorView::releaseMouseButton(TileSheetTool tool) noexcept {
+void TileSheetEditorView::releaseMouseButton(TileSheetTool const tool) noexcept {
 	switch (tool) {
 		case TileSheetTool::Draw:
 		case TileSheetTool::Fill:
@@ -107,7 +107,7 @@ void TileSheetEditorView::releaseMouseButton(TileSheetTool tool) noexcept {
 	}
 }
 
-void TileSheetEditorView::resizeView(ox::Vec2 const&sz) noexcept {
+void TileSheetEditorView::resizeView(ox::Vec2 const &sz) noexcept {
 	m_viewSize = sz;
 	initView();
 }
@@ -133,9 +133,9 @@ void TileSheetEditorView::initView() noexcept {
 	m_pixelGridDrawer.initBufferSet(m_viewSize, m_model.activeSubSheet());
 }
 
-ox::Point TileSheetEditorView::clickPoint(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) const noexcept {
+ox::Point TileSheetEditorView::clickPoint(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) const noexcept {
 	auto [x, y] = clickPos;
-	const auto pixDrawSz = m_pixelsDrawer.pixelSize(paneSize);
+	auto const pixDrawSz = m_pixelsDrawer.pixelSize(paneSize);
 	x /= paneSize.x;
 	y /= paneSize.y;
 	x += -m_scrollOffset.x / 2;
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.hpp
index 34ee7094..7ab9f6b4 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditorview.hpp
@@ -62,28 +62,28 @@ class TileSheetEditorView: public ox::SignalHandler {
 
 		void draw() noexcept;
 
-		void insertTile(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept;
+		void insertTile(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept;
 
-		void deleteTile(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept;
+		void deleteTile(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept;
 
-		void clickDraw(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept;
+		void clickDraw(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept;
 
-		void clickLine(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept;
+		void clickLine(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept;
 
-		void clickSelect(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept;
+		void clickSelect(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept;
 
-		void clickFill(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) noexcept;
+		void clickFill(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) noexcept;
 
 		void releaseMouseButton(TileSheetTool tool) noexcept;
 
-		void scrollV(ox::Vec2 const&paneSz, float wheel, bool zoomMod) noexcept;
+		void scrollV(ox::Vec2 const &paneSz, float wheel, bool zoomMod) noexcept;
 
-		void scrollH(ox::Vec2 const&paneSz, float wheel) noexcept;
+		void scrollH(ox::Vec2 const &paneSz, float wheel) noexcept;
 
-		void resizeView(ox::Vec2 const&sz) noexcept;
+		void resizeView(ox::Vec2 const &sz) noexcept;
 
 		[[nodiscard]]
-		constexpr TileSheet const&img() const noexcept;
+		constexpr TileSheet const &img() const noexcept;
 
 		[[nodiscard]]
 		constexpr TileSheet &img() noexcept;
@@ -117,13 +117,13 @@ class TileSheetEditorView: public ox::SignalHandler {
 	private:
 		void initView() noexcept;
 
-		ox::Point clickPoint(ox::Vec2 const&paneSize, ox::Vec2 const&clickPos) const noexcept;
+		ox::Point clickPoint(ox::Vec2 const &paneSize, ox::Vec2 const &clickPos) const noexcept;
 
-		ox::Error setActiveSubsheet(TileSheet::SubSheetIdx const&idx) noexcept;
+		ox::Error setActiveSubsheet(TileSheet::SubSheetIdx const &idx) noexcept;
 
 };
 
-constexpr TileSheet const&TileSheetEditorView::img() const noexcept {
+constexpr TileSheet const &TileSheetEditorView::img() const noexcept {
 	return m_model.img();
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.cpp
index 914c7c6a..c24549cc 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.cpp
@@ -23,7 +23,7 @@ ox::Error TileSheetGrid::buildShader() noexcept {
 		pixelLineVshad, pixelLineFshad, pixelLineGshad).moveTo(m_shader);
 }
 
-void TileSheetGrid::draw(bool const update, ox::Vec2 const&scroll) noexcept {
+void TileSheetGrid::draw(bool const update, ox::Vec2 const &scroll) noexcept {
 	// the lines just show up bigger on Windows for some reason
 	if constexpr(ox::defines::OS == ox::OS::Windows) {
 		glLineWidth(3 * m_pixelSizeMod * 0.25f);
@@ -42,7 +42,7 @@ void TileSheetGrid::draw(bool const update, ox::Vec2 const&scroll) noexcept {
 	glUseProgram(0);
 }
 
-void TileSheetGrid::initBufferSet(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept {
+void TileSheetGrid::initBufferSet(ox::Vec2 const &paneSize, TileSheet::SubSheet const &subsheet) noexcept {
 	// vao
 	m_bufferSet.vao = glutils::generateVertexArrayObject();
 	glBindVertexArray(m_bufferSet.vao);
@@ -65,7 +65,7 @@ void TileSheetGrid::initBufferSet(ox::Vec2 const&paneSize, TileSheet::SubSheet c
 	                      std::bit_cast<void*>(uintptr_t{4 * sizeof(float)}));
 }
 
-void TileSheetGrid::update(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept {
+void TileSheetGrid::update(ox::Vec2 const &paneSize, TileSheet::SubSheet const &subsheet) noexcept {
 	glBindVertexArray(m_bufferSet.vao);
 	setBufferObjects(paneSize, subsheet);
 	glutils::sendVbo(m_bufferSet);
@@ -77,7 +77,7 @@ void TileSheetGrid::setBufferObject(
 		ox::Point const pt2,
 		Color32 const c,
 		ox::Span<float> const vbo,
-		ox::Vec2 const&pixSize) noexcept {
+		ox::Vec2 const &pixSize) noexcept {
 	auto const x1 = static_cast<float>(pt1.x) * pixSize.x - 1.f;
 	auto const y1 = 1.f - static_cast<float>(pt1.y) * pixSize.y;
 	auto const x2 = static_cast<float>(pt2.x) * pixSize.x - 1.f;
@@ -87,7 +87,7 @@ void TileSheetGrid::setBufferObject(
 	ox::spancpy(vbo, ox::SpanView<float>{vertices});
 }
 
-void TileSheetGrid::setBufferObjects(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept {
+void TileSheetGrid::setBufferObjects(ox::Vec2 const &paneSize, TileSheet::SubSheet const &subsheet) noexcept {
 	if (subsheet.columns < 1 || subsheet.rows < 1) {
 		m_bufferSet.elements.clear();
 		m_bufferSet.vertices.clear();
@@ -129,7 +129,7 @@ void TileSheetGrid::setBufferObjects(ox::Vec2 const&paneSize, TileSheet::SubShee
 	}
 }
 
-ox::Vec2 TileSheetGrid::pixelSize(ox::Vec2 const&paneSize) const noexcept {
+ox::Vec2 TileSheetGrid::pixelSize(ox::Vec2 const &paneSize) const noexcept {
 	auto const [sw, sh] = paneSize;
 	constexpr float ymod = 0.35f / 10.0f;
 	auto const xmod = ymod * sh / sw;
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.hpp
index 828518e2..5e45ec07 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixelgrid.hpp
@@ -66,19 +66,20 @@ class TileSheetGrid {
 
 		ox::Error buildShader() noexcept;
 
-		void draw(bool update, ox::Vec2 const&scroll) noexcept;
+		void draw(bool update, ox::Vec2 const &scroll) noexcept;
 
-		void initBufferSet(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept;
+		void initBufferSet(ox::Vec2 const &paneSize, TileSheet::SubSheet const &subsheet) noexcept;
 
-		void update(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept;
+		void update(ox::Vec2 const &paneSize, TileSheet::SubSheet const &subsheet) noexcept;
 
 	private:
-		static void setBufferObject(ox::Point pt1, ox::Point pt2, Color32 c, ox::Span<float> vbo, ox::Vec2 const&pixSize) noexcept;
+		static void setBufferObject(
+			ox::Point pt1, ox::Point pt2, Color32 c, ox::Span<float> vbo, ox::Vec2 const &pixSize) noexcept;
 
-		void setBufferObjects(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept;
+		void setBufferObjects(ox::Vec2 const &paneSize, TileSheet::SubSheet const &subsheet) noexcept;
 
 		[[nodiscard]]
-		ox::Vec2 pixelSize(ox::Vec2 const&paneSize) const noexcept;
+		ox::Vec2 pixelSize(ox::Vec2 const &paneSize) const noexcept;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.cpp
index 2388c318..8374f268 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.cpp
@@ -49,7 +49,7 @@ ox::Error TileSheetPixels::buildShader() noexcept {
 	return glutils::buildShaderProgram(s_programSrc).moveTo(m_shader);
 }
 
-void TileSheetPixels::draw(bool const update, ox::Vec2 const&scroll) noexcept {
+void TileSheetPixels::draw(bool const update, ox::Vec2 const &scroll) noexcept {
 	glUseProgram(m_shader);
 	glBindVertexArray(m_bufferSet.vao);
 	if (update) {
@@ -62,7 +62,7 @@ void TileSheetPixels::draw(bool const update, ox::Vec2 const&scroll) noexcept {
 	glUseProgram(0);
 }
 
-void TileSheetPixels::initBufferSet(ox::Vec2 const&paneSize) noexcept {
+void TileSheetPixels::initBufferSet(ox::Vec2 const &paneSize) noexcept {
 	m_bufferSet.vao = glutils::generateVertexArrayObject();
 	m_bufferSet.vbo = glutils::generateBuffer();
 	m_bufferSet.ebo = glutils::generateBuffer();
@@ -70,14 +70,14 @@ void TileSheetPixels::initBufferSet(ox::Vec2 const&paneSize) noexcept {
 	glutils::setupShaderParams(m_shader, s_programSrc.shaderParams);
 }
 
-void TileSheetPixels::update(ox::Vec2 const&paneSize) noexcept {
+void TileSheetPixels::update(ox::Vec2 const &paneSize) noexcept {
 	glBindVertexArray(m_bufferSet.vao);
 	setBufferObjects(paneSize);
 	glutils::sendVbo(m_bufferSet);
 	glutils::sendEbo(m_bufferSet);
 }
 
-ox::Vec2 TileSheetPixels::pixelSize(ox::Vec2 const&paneSize) const noexcept {
+ox::Vec2 TileSheetPixels::pixelSize(ox::Vec2 const &paneSize) const noexcept {
 	auto const [sw, sh] = paneSize;
 	constexpr float ymod = 0.35f / 10.0f;
 	auto const xmod = ymod * sh / sw;
@@ -85,7 +85,7 @@ ox::Vec2 TileSheetPixels::pixelSize(ox::Vec2 const&paneSize) const noexcept {
 }
 
 void TileSheetPixels::setPixelBufferObject(
-		ox::Vec2 const&paneSize,
+		ox::Vec2 const &paneSize,
 		unsigned const vertexRow,
 		float x, float y,
 		Color16 const color,
@@ -112,15 +112,15 @@ void TileSheetPixels::setPixelBufferObject(
 	ox::spancpy(ebo, ox::SpanView<GLuint>{elms});
 }
 
-void TileSheetPixels::setBufferObjects(ox::Vec2 const&paneSize) noexcept {
+void TileSheetPixels::setBufferObjects(ox::Vec2 const &paneSize) noexcept {
 	// set buffer lengths
-	auto const&subSheet = m_model.activeSubSheet();
+	auto const &subSheet = m_model.activeSubSheet();
 	if (subSheet.columns < 1 || subSheet.rows < 1) {
 		m_bufferSet.vertices.clear();
 		m_bufferSet.elements.clear();
 		return;
 	}
-	auto const&pal = m_model.pal();
+	auto const &pal = m_model.pal();
 	auto const width = subSheet.columns * TileWidth;
 	auto const height = subSheet.rows * TileHeight;
 	auto const pixels = static_cast<size_t>(width) * static_cast<size_t>(height);
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.hpp
index 9d79087b..42e8d8ff 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheetpixels.hpp
@@ -22,7 +22,7 @@ class TileSheetPixels {
 		float m_pixelSizeMod = 1;
 		glutils::GLProgram m_shader;
 		glutils::BufferSet m_bufferSet;
-		class TileSheetEditorModel const&m_model;
+		class TileSheetEditorModel const &m_model;
 
 	public:
 		explicit TileSheetPixels(class TileSheetEditorModel &model) noexcept;
@@ -31,18 +31,18 @@ class TileSheetPixels {
 
 		ox::Error buildShader() noexcept;
 
-		void draw(bool update, ox::Vec2 const&scroll) noexcept;
+		void draw(bool update, ox::Vec2 const &scroll) noexcept;
 
-		void initBufferSet(ox::Vec2 const&paneSize) noexcept;
+		void initBufferSet(ox::Vec2 const &paneSize) noexcept;
 
-		void update(ox::Vec2 const&paneSize) noexcept;
+		void update(ox::Vec2 const &paneSize) noexcept;
 
 		[[nodiscard]]
-		ox::Vec2 pixelSize(ox::Vec2 const&paneSize) const noexcept;
+		ox::Vec2 pixelSize(ox::Vec2 const &paneSize) const noexcept;
 
 	private:
 		void setPixelBufferObject(
-				ox::Vec2 const&paneSize,
+				ox::Vec2 const &paneSize,
 				unsigned vertexRow,
 				float x,
 				float y,
@@ -50,7 +50,7 @@ class TileSheetPixels {
 				ox::Span<float> vbo,
 				ox::Span<GLuint> ebo) const noexcept;
 
-		void setBufferObjects(ox::Vec2 const&paneSize) noexcept;
+		void setBufferObjects(ox::Vec2 const &paneSize) noexcept;
 
 };
 
diff --git a/src/nostalgia/modules/gfx/src/tilesheet.cpp b/src/nostalgia/modules/gfx/src/tilesheet.cpp
index 796ce31b..37909190 100644
--- a/src/nostalgia/modules/gfx/src/tilesheet.cpp
+++ b/src/nostalgia/modules/gfx/src/tilesheet.cpp
@@ -12,16 +12,16 @@
 
 namespace nostalgia::gfx {
 
-std::size_t idx(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept {
+std::size_t idx(TileSheet::SubSheet const &ss, ox::Point const &pt) noexcept {
 	return ptToIdx(pt, ss.columns);
 }
 
 [[nodiscard]]
-static TileSheet::SubSheet const *getSubsheet(TileSheet::SubSheet const&ss, SubSheetId const id) noexcept {
+static TileSheet::SubSheet const *getSubsheet(TileSheet::SubSheet const &ss, SubSheetId const id) noexcept {
 	if (ss.id == id) {
 		return &ss;
 	}
-	for (auto const&child: ss.subsheets) {
+	for (auto const &child: ss.subsheets) {
 		if (auto out = getSubsheet(child, id)) {
 			return out;
 		}
@@ -30,31 +30,31 @@ static TileSheet::SubSheet const *getSubsheet(TileSheet::SubSheet const&ss, SubS
 }
 
 [[nodiscard]]
-static size_t getTileCnt(TileSheet::SubSheet const&ss) noexcept {
+static size_t getTileCnt(TileSheet::SubSheet const &ss) noexcept {
 	if (ss.subsheets.empty()) {
 		return ss.pixels.size() / PixelsPerTile;
 	} else {
 		size_t out{};
-		for (auto const&child: ss.subsheets) {
+		for (auto const &child: ss.subsheets) {
 			out += getTileCnt(child);
 		}
 		return out;
 	}
 }
 
-size_t getTileCnt(TileSheet const&ts) noexcept {
+size_t getTileCnt(TileSheet const &ts) noexcept {
 	return getTileCnt(ts.subsheet);
 }
 
-TileSheet::SubSheet const *getSubsheet(TileSheet const&ts, SubSheetId const id) noexcept {
+TileSheet::SubSheet const *getSubsheet(TileSheet const &ts, SubSheetId const id) noexcept {
 	return getSubsheet(ts.subsheet, id);
 }
 
 static ox::Optional<size_t> getPixelIdx(
-		TileSheet::SubSheet const&ss,
+		TileSheet::SubSheet const &ss,
 		SubSheetId const id,
 		size_t &idx) noexcept {
-	for (auto const&child: ss.subsheets) {
+	for (auto const &child: ss.subsheets) {
 		if (child.id == id) {
 			return ox::Optional<size_t>(ox::in_place, idx);
 		}
@@ -66,17 +66,17 @@ static ox::Optional<size_t> getPixelIdx(
 	return ox::Optional<size_t>{};
 }
 
-ox::Optional<size_t> getTileIdx(TileSheet const&ts, SubSheetId const id) noexcept {
+ox::Optional<size_t> getTileIdx(TileSheet const &ts, SubSheetId const id) noexcept {
 	size_t idx{};
 	auto const out = getPixelIdx(ts.subsheet, id, idx);
 	return out ? ox::Optional<size_t>{ox::in_place, *out / PixelsPerTile} : out;
 }
 
-uint8_t getPixel(TileSheet::SubSheet const&ss, std::size_t const idx) noexcept {
+uint8_t getPixel(TileSheet::SubSheet const &ss, std::size_t const idx) noexcept {
 	return ss.pixels[idx];
 }
 
-uint8_t getPixel(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept {
+uint8_t getPixel(TileSheet::SubSheet const &ss, ox::Point const &pt) noexcept {
 	auto const idx = ptToIdx(pt, ss.columns);
 	return getPixel(ss, idx);
 }
@@ -84,14 +84,14 @@ uint8_t getPixel(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept {
 static void setPixel(
 	ox::Vector<uint8_t> &pixels,
 	int const columns,
-	ox::Point const&pt,
+	ox::Point const &pt,
 	uint8_t const palIdx) noexcept {
-	const auto idx = ptToIdx(pt, columns);
+	auto const idx = ptToIdx(pt, columns);
 	pixels[idx] = palIdx;
 }
 
-void setPixel(TileSheet::SubSheet &ss, ox::Point const&pt, uint8_t const palIdx) noexcept {
-	const auto idx = ptToIdx(pt, ss.columns);
+void setPixel(TileSheet::SubSheet &ss, ox::Point const &pt, uint8_t const palIdx) noexcept {
+	auto const idx = ptToIdx(pt, ss.columns);
 	ss.pixels[idx] = palIdx;
 }
 
@@ -129,11 +129,11 @@ void flipY(TileSheet::SubSheet &ss, ox::Point const &a, ox::Point const &b) noex
 	}
 }
 
-unsigned pixelCnt(TileSheet::SubSheet const&ss) noexcept {
+unsigned pixelCnt(TileSheet::SubSheet const &ss) noexcept {
 	return static_cast<unsigned>(ss.pixels.size());
 }
 
-ox::Error resizeSubsheet(TileSheet::SubSheet &ss, ox::Size const&sz) noexcept {
+ox::Error resizeSubsheet(TileSheet::SubSheet &ss, ox::Size const &sz) noexcept {
 	ox::Vector<uint8_t> out;
 	OX_RETURN_ERROR(setPixelCount(out, static_cast<size_t>(sz.width * sz.height) * PixelsPerTile));
 	auto const w = ox::min<int32_t>(ss.columns, sz.width) * TileWidth;
@@ -150,12 +150,12 @@ ox::Error resizeSubsheet(TileSheet::SubSheet &ss, ox::Size const&sz) noexcept {
 	return {};
 }
 
-ox::Result<ox::StringView> getNameFor(TileSheet::SubSheet const&ss, SubSheetId const pId) noexcept {
+ox::Result<ox::StringView> getNameFor(TileSheet::SubSheet const &ss, SubSheetId const pId) noexcept {
 	if (ss.id == pId) {
 		return ox::StringView(ss.name);
 	}
-	for (const auto &sub : ss.subsheets) {
-		const auto [name, err] = getNameFor(sub, pId);
+	for (auto const &sub : ss.subsheets) {
+		auto const [name, err] = getNameFor(sub, pId);
 		if (!err) {
 			return name;
 		}
@@ -167,7 +167,7 @@ ox::Result<ox::StringView> getNameFor(TileSheet::SubSheet const&ss, SubSheetId c
 TileSheet::SubSheetIdx validateSubSheetIdx(
 		TileSheet::SubSheetIdx &&pIdx,
 		std::size_t const pIdxIt,
-		TileSheet::SubSheet const&pSubsheet) noexcept {
+		TileSheet::SubSheet const &pSubsheet) noexcept {
 	if (pIdxIt >= pIdx.size()) {
 		return std::move(pIdx);
 	}
@@ -185,7 +185,7 @@ TileSheet::SubSheetIdx validateSubSheetIdx(
 	return validateSubSheetIdx(std::move(pIdx), pIdxIt + 1, pSubsheet.subsheets[currentIdx]);
 }
 
-TileSheet::SubSheetIdx validateSubSheetIdx(TileSheet const&ts, TileSheet::SubSheetIdx idx) noexcept {
+TileSheet::SubSheetIdx validateSubSheetIdx(TileSheet const &ts, TileSheet::SubSheetIdx idx) noexcept {
 	return validateSubSheetIdx(std::move(idx), 0, ts.subsheet);
 }
 
@@ -215,14 +215,14 @@ ox::Result<TileSheet::SubSheetIdx> getSubSheetIdx(TileSheet const &ts, SubSheetI
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdangling-reference"
 #endif
-static TileSheet::SubSheet const&getSubSheet(
+static TileSheet::SubSheet const &getSubSheet(
 		ox::SpanView<uint32_t> const &idx,
 		std::size_t const idxIt,
 		TileSheet::SubSheet const &pSubsheet) noexcept {
 	if (idxIt == idx.size()) {
 		return pSubsheet;
 	}
-	const auto currentIdx = idx[idxIt];
+	auto const currentIdx = idx[idxIt];
 	if (pSubsheet.subsheets.size() < currentIdx) {
 		return pSubsheet;
 	}
@@ -246,7 +246,7 @@ TileSheet::SubSheet &getSubSheet(
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdangling-reference"
 #endif
-TileSheet::SubSheet const&getSubSheet(TileSheet const &ts, ox::SpanView<uint32_t> const &idx) noexcept {
+TileSheet::SubSheet const &getSubSheet(TileSheet const &ts, ox::SpanView<uint32_t> const &idx) noexcept {
 	return gfx::getSubSheet(idx, 0, ts.subsheet);
 }
 
@@ -257,7 +257,7 @@ TileSheet::SubSheet &getSubSheet(TileSheet &ts, ox::SpanView<uint32_t> const &id
 #pragma GCC diagnostic pop
 #endif
 
-ox::Error addSubSheet(TileSheet &ts, TileSheet::SubSheetIdx const&idx) noexcept {
+ox::Error addSubSheet(TileSheet &ts, TileSheet::SubSheetIdx const &idx) noexcept {
 	auto &parent = getSubSheet(ts, idx);
 	if (parent.subsheets.size() < 2) {
 		parent.subsheets.emplace_back(++ts.idIt, ox::sfmt("Subsheet {}", parent.subsheets.size()), 1, 1);
@@ -268,7 +268,7 @@ ox::Error addSubSheet(TileSheet &ts, TileSheet::SubSheetIdx const&idx) noexcept
 	return {};
 }
 
-ox::Error insertSubSheet(TileSheet &ts, ox::SpanView<uint32_t> const&idx, TileSheet::SubSheet ss) noexcept {
+ox::Error insertSubSheet(TileSheet &ts, ox::SpanView<uint32_t> const &idx, TileSheet::SubSheet ss) noexcept {
 	if (idx.empty()) {
 		return ox::Error{1, "invalid insert idx"};
 	}
@@ -283,7 +283,7 @@ ox::Error insertSubSheet(TileSheet &ts, ox::SpanView<uint32_t> const&idx, TileSh
 
 ox::Error rmSubSheet(
 		TileSheet &ts,
-		TileSheet::SubSheetIdx const&idx,
+		TileSheet::SubSheetIdx const &idx,
 		std::size_t const idxIt,
 		TileSheet::SubSheet &pSubsheet) noexcept {
 	if (idxIt == idx.size() - 1) {
@@ -292,21 +292,21 @@ ox::Error rmSubSheet(
 	return rmSubSheet(ts, idx, idxIt + 1, pSubsheet.subsheets[idx[idxIt]]);
 }
 
-ox::Error rmSubSheet(TileSheet &ts, TileSheet::SubSheetIdx const&idx) noexcept {
+ox::Error rmSubSheet(TileSheet &ts, TileSheet::SubSheetIdx const &idx) noexcept {
 	return rmSubSheet(ts, idx, 0, ts.subsheet);
 }
 
 uint8_t getPixel(
-		TileSheet const&ts,
-		ox::Point const&pt,
-		TileSheet::SubSheetIdx const&subsheetIdx) noexcept {
+		TileSheet const &ts,
+		ox::Point const &pt,
+		TileSheet::SubSheetIdx const &subsheetIdx) noexcept {
 	auto &s = getSubSheet(ts, subsheetIdx);
 	auto const idx = ptToIdx(pt, s.columns);
 	return getPixel(s, idx);
 }
 
 uint8_t getPixel4Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t const idx) noexcept {
 	oxAssert(ts.bpp == 4, "TileSheet::getPixel4Bpp: wrong bpp");
 	if (idx & 1) {
@@ -317,14 +317,14 @@ uint8_t getPixel4Bpp(
 }
 
 uint8_t getPixel8Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t const idx) noexcept {
 	oxAssert(ts.bpp == 8, "TileSheet::getPixel8Bpp: wrong bpp");
 	return ts.pixels[idx];
 }
 
 ox::Pair<uint8_t> get2Pixels4Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t const idx) noexcept {
 	oxAssert(ts.bpp == 4, "TileSheet::getPixel4Bpp: wrong bpp");
 	auto const out = ts.pixels[idx / 2];
@@ -335,7 +335,7 @@ ox::Pair<uint8_t> get2Pixels4Bpp(
 }
 
 ox::Pair<uint8_t> get2Pixels8Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t const idx) noexcept {
 	oxAssert(ts.bpp == 8, "TileSheet::getPixel8Bpp: wrong bpp");
 	return {
@@ -345,8 +345,8 @@ ox::Pair<uint8_t> get2Pixels8Bpp(
 }
 
 static ox::Result<SubSheetId> getIdFor(
-		TileSheet::SubSheet const&ss,
-		ox::SpanView<ox::StringView> const&pNamePath,
+		TileSheet::SubSheet const &ss,
+		ox::SpanView<ox::StringView> const &pNamePath,
 		std::size_t const pIt = 0) noexcept {
 	for (auto &sub : ss.subsheets) {
 		if (sub.name == pNamePath[pIt]) {
@@ -359,7 +359,7 @@ static ox::Result<SubSheetId> getIdFor(
 	return ox::Error(1, "SubSheet not found");
 }
 
-ox::Result<SubSheetId> getIdFor(TileSheet const&ts, ox::StringViewCR path) noexcept {
+ox::Result<SubSheetId> getIdFor(TileSheet const &ts, ox::StringViewCR path) noexcept {
 	return getIdFor(ts.subsheet, ox::split<8>(path, '.'));
 }
 
@@ -367,8 +367,8 @@ ox::Result<SubSheetId> getIdFor(TileSheet const&ts, ox::StringViewCR path) noexc
  * Gets the offset in tiles of the desired subsheet.
  */
 static ox::Result<uint32_t> getTileOffset(
-		TileSheet::SubSheet const&ss,
-		ox::SpanView<ox::StringView> const&pNamePath,
+		TileSheet::SubSheet const &ss,
+		ox::SpanView<ox::StringView> const &pNamePath,
 		std::size_t const pIt = 0,
 		uint32_t pCurrentTotal = 0) noexcept {
 	// pIt == pNamePath.size() - 1 &&
@@ -391,7 +391,7 @@ static ox::Result<uint32_t> getTileOffset(
 	return ox::Error(1, "SubSheet not found");
 }
 
-ox::Result<uint32_t> getTileOffset(TileSheet const&ts, ox::StringViewCR pNamePath) noexcept {
+ox::Result<uint32_t> getTileOffset(TileSheet const &ts, ox::StringViewCR pNamePath) noexcept {
 	return gfx::getTileOffset(ts.subsheet, ox::split<8>(pNamePath, '.'));
 }
 
@@ -399,7 +399,7 @@ ox::Result<ox::StringView> getNameFor(TileSheet &ts, SubSheetId const pId) noexc
 	return gfx::getNameFor(ts.subsheet, pId);
 }
 
-ox::Result<ox::StringView> getNameFor(TileSheet const&ts, SubSheetId const pId) noexcept {
+ox::Result<ox::StringView> getNameFor(TileSheet const &ts, SubSheetId const pId) noexcept {
 	return gfx::getNameFor(ts.subsheet, pId);
 }
 
@@ -431,19 +431,19 @@ ox::Vector<uint8_t> pixels(TileSheet &ts) noexcept {
 
 
 ox::Vector<uint32_t> resizeTileSheetData(
-		ox::Vector<uint32_t> const&srcPixels,
-		ox::Size const&srcSize,
+		ox::Vector<uint32_t> const &srcPixels,
+		ox::Size const &srcSize,
 		int const scale) noexcept {
 	ox::Vector<uint32_t> dst;
 	auto dstWidth = srcSize.width * scale;
 	auto dstHeight = srcSize.height * scale;
-	const auto pixelCnt = dstWidth * dstHeight;
+	auto const pixelCnt = dstWidth * dstHeight;
 	dst.resize(static_cast<std::size_t>(pixelCnt));
 	for (auto i = 0; i < pixelCnt; ++i) {
-		const auto dstPt = idxToPt(i, 1, scale);
-		const auto srcPt = dstPt / ox::Point{scale, scale};
-		const auto srcIdx = ptToIdx(srcPt, 1);
-		const auto srcPixel = srcPixels[srcIdx];
+		auto const dstPt = idxToPt(i, 1, scale);
+		auto const srcPt = dstPt / ox::Point{scale, scale};
+		auto const srcIdx = ptToIdx(srcPt, 1);
+		auto const srcPixel = srcPixels[srcIdx];
 		dst[static_cast<std::size_t>(i)] = srcPixel;
 	}
 	return dst;
diff --git a/src/nostalgia/modules/gfx/test/tests.cpp b/src/nostalgia/modules/gfx/test/tests.cpp
index ed745931..cb3f0185 100644
--- a/src/nostalgia/modules/gfx/test/tests.cpp
+++ b/src/nostalgia/modules/gfx/test/tests.cpp
@@ -24,7 +24,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 	},
 };
 
-int main(int argc, const char **argv) {
+int main(int argc, char const **argv) {
 	int retval = -1;
 	if (argc > 0) {
 		auto const args = ox::Span{argv, static_cast<size_t>(argc)};
diff --git a/src/nostalgia/modules/sound/test/tests.cpp b/src/nostalgia/modules/sound/test/tests.cpp
index bf35cd22..0f0c4e36 100644
--- a/src/nostalgia/modules/sound/test/tests.cpp
+++ b/src/nostalgia/modules/sound/test/tests.cpp
@@ -11,7 +11,7 @@
 static std::map<ox::StringView, ox::Error(*)()> tests = {
 };
 
-int main(int argc, const char **argv) {
+int main(int argc, char const **argv) {
 	int retval = -1;
 	if (argc > 0) {
 		auto const args = ox::Span{argv, static_cast<size_t>(argc)};
diff --git a/src/olympic/applib/applib.cpp b/src/olympic/applib/applib.cpp
index 270903b9..b3ac97af 100644
--- a/src/olympic/applib/applib.cpp
+++ b/src/olympic/applib/applib.cpp
@@ -55,7 +55,7 @@ void registerStudioModules() noexcept;
 #if defined(_WIN32) && OLYMPIC_GUI_APP
 int WinMain() {
 	auto const argc = __argc;
-	auto const argv = const_cast<const char**>(__argv);
+	auto const argv = const_cast<char const**>(__argv);
 #else
 int main(int const argc, char const **argv) {
 #endif
diff --git a/src/olympic/keel/include/keel/asset.hpp b/src/olympic/keel/include/keel/asset.hpp
index dc9f3f57..ce0272e3 100644
--- a/src/olympic/keel/include/keel/asset.hpp
+++ b/src/olympic/keel/include/keel/asset.hpp
@@ -26,7 +26,7 @@ ox::Error writeUuidHeader(ox::Writer_c auto &writer, ox::UUID const&uuid) noexce
 template<typename T>
 ox::Result<T> readAsset(ox::BufferView buff) noexcept {
 	std::size_t offset = 0;
-	const auto err = readUuidHeader(buff).error;
+	auto const err = readUuidHeader(buff).error;
 	if (!err) {
 		offset = K1HdrSz; // the size of K1 headers
 	}
diff --git a/src/olympic/keel/src/asset.cpp b/src/olympic/keel/src/asset.cpp
index fb640078..bbe9cb90 100644
--- a/src/olympic/keel/src/asset.cpp
+++ b/src/olympic/keel/src/asset.cpp
@@ -37,8 +37,8 @@ ox::Result<ox::ModelObject> readAsset(ox::TypeStore &ts, ox::BufferView buff) no
 }
 
 ox::Result<ox::StringView> readAssetTypeId(ox::BufferView const buff) noexcept {
-	const auto err = readUuidHeader(buff).error;
-	const auto offset = err ? 0u : K1HdrSz;
+	auto const err = readUuidHeader(buff).error;
+	auto const offset = err ? 0u : K1HdrSz;
 	if (offset >= buff.size()) [[unlikely]] {
 		return ox::Error(1, "Buffer too small for expected data");
 	}
@@ -47,8 +47,8 @@ ox::Result<ox::StringView> readAssetTypeId(ox::BufferView const buff) noexcept {
 
 ox::Result<AssetHdr> readAssetHeader(ox::BufferView buff) noexcept {
 	ox::Result<AssetHdr> out;
-	const auto err = readUuidHeader(buff).moveTo(out.value.uuid);
-	const auto offset = err ? 0u : K1HdrSz;
+	auto const err = readUuidHeader(buff).moveTo(out.value.uuid);
+	auto const offset = err ? 0u : K1HdrSz;
 	if (offset >= buff.size()) [[unlikely]] {
 		return ox::Error(1, "Buffer too small for expected data");
 	}
diff --git a/src/olympic/keel/src/typeconv.cpp b/src/olympic/keel/src/typeconv.cpp
index 2f3532dd..07db4ece 100644
--- a/src/olympic/keel/src/typeconv.cpp
+++ b/src/olympic/keel/src/typeconv.cpp
@@ -49,7 +49,7 @@ static ox::Result<ox::UPtr<Wrap>> convert(
 		if (!subConverter.converter().dstMatches(dstTypeName, dstTypeVersion)) {
 			continue;
 		}
-		const auto [intermediate, chainErr] =
+		auto const [intermediate, chainErr] =
 			convert(ctx, converters, src, srcTypeName, srcTypeVersion,
 			        subConverter.converter().srcTypeName(), subConverter.converter().srcTypeVersion());
 		if (!chainErr) {
diff --git a/src/olympic/keel/test/tests.cpp b/src/olympic/keel/test/tests.cpp
index f4681d92..5e18e392 100644
--- a/src/olympic/keel/test/tests.cpp
+++ b/src/olympic/keel/test/tests.cpp
@@ -25,7 +25,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 	},
 };
 
-int main(int argc, const char **argv) {
+int main(int argc, char const **argv) {
 	int retval = -1;
 	if (argc > 0) {
 		auto const args = ox::Span{argv, static_cast<size_t>(argc)};
diff --git a/src/olympic/studio/applib/src/app.cpp b/src/olympic/studio/applib/src/app.cpp
index 6eb9d131..d3010860 100644
--- a/src/olympic/studio/applib/src/app.cpp
+++ b/src/olympic/studio/applib/src/app.cpp
@@ -61,7 +61,7 @@ static ox::Error runApp(
 static ox::Error run(
 		ox::StringViewCR appName,
 		ox::StringViewCR projectDataDir,
-		ox::SpanView<const char*>) {
+		ox::SpanView<ox::CString>) {
 	// seed UUID generator
 	auto const time = std::time(nullptr);
 	ox::UUID::seedGenerator({
diff --git a/src/olympic/studio/applib/src/clawviewer.cpp b/src/olympic/studio/applib/src/clawviewer.cpp
index 3b4a9492..5689ff20 100644
--- a/src/olympic/studio/applib/src/clawviewer.cpp
+++ b/src/olympic/studio/applib/src/clawviewer.cpp
@@ -140,14 +140,14 @@ void ClawEditor::drawVar(ObjPath &path, ox::StringViewCR name, ox::ModelValue co
 
 void ClawEditor::drawTree(ObjPath &path, ox::ModelObject const&obj) noexcept {
 	using Str = ox::BasicString<100>;
-	for (const auto &c : obj) {
+	for (auto const &c : obj) {
 		ImGui::TableNextRow(0, 5);
 		auto pathStr = ox::join<Str>("##", path).unwrap();
 		auto lbl = ox::sfmt<Str>("{}##{}", c->name, pathStr);
-		const auto rowSelected = false;
-		const auto hasChildren = c->value.type() == ox::ModelValue::Type::Object
+		auto const rowSelected = false;
+		auto const hasChildren = c->value.type() == ox::ModelValue::Type::Object
 		                                || c->value.type() == ox::ModelValue::Type::Vector;
-		const auto flags = ImGuiTreeNodeFlags_SpanFullWidth
+		auto const flags = ImGuiTreeNodeFlags_SpanFullWidth
 		                   | ImGuiTreeNodeFlags_OpenOnArrow
 		                   | (hasChildren ? 0 : ImGuiTreeNodeFlags_Leaf)
 		                   | (rowSelected ? ImGuiTreeNodeFlags_Selected : 0);
@@ -158,7 +158,7 @@ void ClawEditor::drawTree(ObjPath &path, ox::ModelObject const&obj) noexcept {
 		//}
 		path.push_back(c->name);
 		if (c->value.type() == ox::ModelValue::Type::Object) {
-			const auto open = ImGui::TreeNodeEx(lbl.c_str(), flags);
+			auto const open = ImGui::TreeNodeEx(lbl.c_str(), flags);
 			ImGui::SameLine();
 			drawRow(c->value);
 			if (open) {
diff --git a/src/olympic/studio/modlib/include/studio/imguiutil.hpp b/src/olympic/studio/modlib/include/studio/imguiutil.hpp
index dd0b6203..bf6565be 100644
--- a/src/olympic/studio/modlib/include/studio/imguiutil.hpp
+++ b/src/olympic/studio/modlib/include/studio/imguiutil.hpp
@@ -131,7 +131,7 @@ class ChildStackItem {
 class IDStackItem {
 	public:
 		explicit IDStackItem(int id) noexcept;
-		explicit IDStackItem(const char *id) noexcept;
+		explicit IDStackItem(ox::CString const id) noexcept;
 		explicit IDStackItem(ox::CStringViewCR id) noexcept;
 		~IDStackItem() noexcept;
 };
@@ -244,7 +244,7 @@ bool BeginPopup(turbine::Context &ctx, ox::CStringViewCR popupName, bool &show,
  * @return true if new value selected, false otherwise
  */
 bool ComboBox(
-		ox::CStringView lbl,
+		ox::CStringView const &lbl,
 		ox::SpanView<ox::CStringView> list,
 		size_t &selectedIdx) noexcept;
 
@@ -255,7 +255,7 @@ bool ComboBox(
  * @param selectedIdx
  * @return true if new value selected, false otherwise
  */
-bool ComboBox(ox::CStringView lbl, ox::Span<const ox::String> list, size_t &selectedIdx) noexcept;
+bool ComboBox(ox::CStringView const &lbl, ox::Span<ox::String const> list, size_t &selectedIdx) noexcept;
 
 /**
  *
diff --git a/src/olympic/studio/modlib/src/imguiutil.cpp b/src/olympic/studio/modlib/src/imguiutil.cpp
index 2fc75859..bbff7622 100644
--- a/src/olympic/studio/modlib/src/imguiutil.cpp
+++ b/src/olympic/studio/modlib/src/imguiutil.cpp
@@ -18,11 +18,11 @@ ChildStackItem::~ChildStackItem() noexcept {
 	ImGui::EndChild();
 }
 
-IDStackItem::IDStackItem(int id) noexcept {
+IDStackItem::IDStackItem(int const id) noexcept {
 	ImGui::PushID(id);
 }
 
-IDStackItem::IDStackItem(const char *id) noexcept {
+IDStackItem::IDStackItem(ox::CString const id) noexcept {
 	ImGui::PushID(id);
 }
 
@@ -55,7 +55,7 @@ bool PushButton(ox::CStringViewCR lbl, ImVec2 const &btnSz) noexcept {
 }
 
 PopupResponse PopupControlsOkCancel(
-	float popupWidth,
+	float const popupWidth,
 	bool &popupOpen,
 	ox::CStringViewCR ok,
 	ox::CStringViewCR cancel) {
@@ -110,14 +110,14 @@ bool BeginPopup(turbine::Context &ctx, ox::CStringViewCR popupName, bool &show,
 }
 
 bool ComboBox(
-		ox::CStringView lbl,
-		ox::SpanView<ox::CStringView> list,
+		ox::CStringView const &lbl,
+		ox::SpanView<ox::CStringView> const list,
 		size_t &selectedIdx) noexcept {
 	bool out{};
 	auto const first = selectedIdx < list.size() ? list[selectedIdx].c_str() : "";
 	if (ImGui::BeginCombo(lbl.c_str(), first, 0)) {
 		for (auto i = 0u; i < list.size(); ++i) {
-			const auto selected = (selectedIdx == i);
+			auto const selected = (selectedIdx == i);
 			if (ImGui::Selectable(list[i].c_str(), selected) && selectedIdx != i) {
 				selectedIdx = i;
 				out = true;
@@ -129,14 +129,14 @@ bool ComboBox(
 }
 
 bool ComboBox(
-		ox::CStringView lbl,
-		ox::Span<const ox::String> list,
+		ox::CStringView const &lbl,
+		ox::Span<ox::String const> const list,
 		size_t &selectedIdx) noexcept {
 	bool out{};
 	auto const first = selectedIdx < list.size() ? list[selectedIdx].c_str() : "";
 	if (ImGui::BeginCombo(lbl.c_str(), first, 0)) {
 		for (auto i = 0u; i < list.size(); ++i) {
-			const auto selected = (selectedIdx == i);
+			auto const selected = (selectedIdx == i);
 			if (ImGui::Selectable(list[i].c_str(), selected) && selectedIdx != i) {
 				selectedIdx = i;
 				out = true;
@@ -150,13 +150,13 @@ bool ComboBox(
 bool ComboBox(
 		ox::CStringViewCR lbl,
 		std::function<ox::CStringView(size_t)> const &f,
-		size_t strCnt,
+		size_t const strCnt,
 		size_t &selectedIdx) noexcept {
 	bool out{};
 	auto const first = selectedIdx < strCnt ? f(selectedIdx).c_str() : "";
 	if (ImGui::BeginCombo(lbl.c_str(), first, 0)) {
 		for (auto i = 0u; i < strCnt; ++i) {
-			const auto selected = (selectedIdx == i);
+			auto const selected = (selectedIdx == i);
 			if (ImGui::Selectable(f(i).c_str(), selected) && selectedIdx != i) {
 				selectedIdx = i;
 				out = true;