refactor: redesign main action grid to 3x2 layout and update related UI components and icons

assets/icons/xml.svg

@@ -1,13 +1,97 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48" width="48" height="48">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 48 48"
+   width="48"
+   height="48"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="xml.svg"
+   inkscape:version="1.4.2 (f4327f4, 2025-05-13)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="namedview4"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     showgrid="false"
+     inkscape:zoom="16.8125"
+     inkscape:cx="23.97026"
+     inkscape:cy="24"
+     inkscape:window-width="1920"
+     inkscape:window-height="1009"
+     inkscape:window-x="1912"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4" />
   <!-- Folha de documento com dobra -->
-  <path d="M 8 4 L 32 4 L 42 14 L 42 44 L 8 44 Z" fill="#ffffff" stroke="#0288d1" stroke-width="2.5" stroke-linejoin="round"/>
+  <path
+     d="M 8 4 L 32 4 L 42 14 L 42 44 L 8 44 Z"
+     fill="#ffffff"
+     stroke="#0288d1"
+     stroke-width="2.5"
+     stroke-linejoin="round"
+     id="path1" />
   <!-- Dobra de canto -->
-  <path d="M 32 4 L 32 14 L 42 14 Z" fill="#b3e5fc" stroke="#0288d1" stroke-width="2" stroke-linejoin="round"/>
+  <path
+     d="M 32 4 L 32 14 L 42 14 Z"
+     fill="#b3e5fc"
+     stroke="#0288d1"
+     stroke-width="2"
+     stroke-linejoin="round"
+     id="path2" />
   <!-- Linhas de texto representativas -->
-  <line x1="14" y1="20" x2="28" y2="20" stroke="#b0bec5" stroke-width="2" stroke-linecap="round"/>
-  <line x1="14" y1="25" x2="36" y2="25" stroke="#b0bec5" stroke-width="2" stroke-linecap="round"/>
-  <line x1="14" y1="30" x2="36" y2="30" stroke="#b0bec5" stroke-width="2" stroke-linecap="round"/>
+  <line
+     x1="12.3"
+     y1="17.20446"
+     x2="26.299999"
+     y2="17.20446"
+     stroke="#b0bec5"
+     stroke-width="2"
+     stroke-linecap="round"
+     id="line2" />
+  <line
+     x1="12.3"
+     y1="20.747211"
+     x2="34.299999"
+     y2="20.747211"
+     stroke="#b0bec5"
+     stroke-width="2"
+     stroke-linecap="round"
+     id="line3" />
+  <line
+     x1="12.3"
+     y1="24.289963"
+     x2="34.299999"
+     y2="24.289963"
+     stroke="#b0bec5"
+     stroke-width="2"
+     stroke-linecap="round"
+     id="line4" />
   <!-- Etiqueta azul com sigla XML -->
-  <rect x="10" y="33" width="28" height="11" rx="3" fill="#0288d1"/>
-  <text x="24" y="41.5" font-family="Segoe UI, Arial, sans-serif" font-size="8" font-weight="bold" fill="#ffffff" text-anchor="middle">&lt;XML&gt;</text>
+  <rect
+     x="11.3"
+     y="30.799257"
+     width="28"
+     height="11"
+     rx="3"
+     fill="#0288d1"
+     id="rect4" />
+  <text
+     x="25.296093"
+     y="39.100037"
+     font-family="'Segoe UI', Arial, sans-serif"
+     font-size="8px"
+     font-weight="bold"
+     fill="#ffffff"
+     text-anchor="middle"
+     id="text4">&lt;XML&gt;</text>
 </svg>