feat: enhance Excalidraw editor UI and autosave functionality

- Redesigned editor toolbar with improved layout and accessibility attributes
- Added automatic save after 7 seconds of inactivity for better data protection
- Replaced emoji icons with SVG icons for consistent styling and accessibility
- Added success toasts for PNG/SVG exports with destination path
- Updated button styles and layout for better visual hierarchy
- Added aria-labels and improved keyboard navigation support
- Made action buttons optionally hideable via

vault/.obsidian/workspace.json

@@ -4,17 +4,19 @@
     "type": "split",
     "children": [
       {
-        "id": "b123bf2cfbaf681c",
+        "id": "511c66a5c96502b2",
         "type": "tabs",
         "children": [
           {
-            "id": "a71c9cf3bbb86552",
+            "id": "8309e5042a8fb85c",
             "type": "leaf",
             "state": {
-              "type": "empty",
-              "state": {},
-              "icon": "lucide-file",
-              "title": "New tab"
+              "type": "excalidraw",
+              "state": {
+                "file": "Drawing-20251028-1452.excalidraw.md"
+              },
+              "icon": "excalidraw-icon",
+              "title": "Drawing-20251028-1452.excalidraw"
             }
           }
         ]
@@ -174,8 +176,17 @@
       "obsidian-excalidraw-plugin:New drawing": false
     }
   },
-  "active": "a71c9cf3bbb86552",
+  "active": "8309e5042a8fb85c",
   "lastOpenFiles": [
+    "Drawing-20251028-1452.png",
+    "Drawing-20251028-1452.excalidraw.md.bak",
+    "Drawing-20251028-1452.excalidraw.md",
+    "dessin.svg",
+    "dessin.excalidraw.md",
+    "dessin.png",
+    "dessin.excalidraw.md.bak",
+    "dessin_05.svg",
+    "dessin_05.png",
     "dessin_05.excalidraw.md",
     "dessin_03.excalidraw.md",
     "dessin_05.excalidraw.md.bak",
@@ -189,9 +200,7 @@
     "dessin-002.excalidraw.md.bak",
     "Dessin_001.excalidraw.md",
     "Dessin_001.excalidraw.md.tmp",
-    "Dessin_001.excalidraw.md.bak",
     "Drawing 2025-10-28 11.11.59.excalidraw.md",
-    "Drawing 2025-10-28 11.11.59.excalidraw.md.tmp",
     "dessin-06.excalidraw.md",
     "Dessin-5.excalidraw.md",
     "Drawing-20251027-2203.excalidraw.md",
@@ -209,8 +218,6 @@
     "Drawing-20251027-1914.excalidraw.md",
     "Drawing-20251027-1705.excalidraw.md",
     "Drawing 2025-10-27 16.43.48.excalidraw.md",
-    "test-drawing.excalidraw.md",
-    "Untitled.canvas",
-    "test.md"
+    "Untitled.canvas"
   ]
 }