extra excalidraw dependencies

frontend/typescript/excalidraw_canvas/README.md

@@ -10,4 +10,5 @@ Watch & typecheck (without building)
 Created with commands:
 - `npm i -E react react-dom @excalidraw/excalidraw`
 - `npm i -E @types/react @types/react-dom`
+- `npm i -E roughjs @excalidraw/laser-pointer jotai browser-fs-access`
 - `npm i -D esbuild typescript`

frontend/typescript/excalidraw_canvas/package-lock.json

@@ -6,10 +6,14 @@
     "": {
       "dependencies": {
         "@excalidraw/excalidraw": "0.17.6",
+        "@excalidraw/laser-pointer": "1.3.1",
         "@types/react": "18.3.10",
         "@types/react-dom": "18.3.0",
+        "browser-fs-access": "0.35.0",
+        "jotai": "2.10.0",
         "react": "18.3.1",
-        "react-dom": "18.3.1"
+        "react-dom": "18.3.1",
+        "roughjs": "4.6.6"
       },
       "devDependencies": {
         "esbuild": "^0.24.0",
@@ -409,6 +413,11 @@
         "react-dom": "^17.0.2 || ^18.2.0"
       }
     },
+    "node_modules/@excalidraw/laser-pointer": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@excalidraw/laser-pointer/-/laser-pointer-1.3.1.tgz",
+      "integrity": "sha512-psA1z1N2qeAfsORdXc9JmD2y4CmDwmuMRxnNdJHZexIcPwaNEyIpNcelw+QkL9rz9tosaN9krXuKaRqYpRAR6g=="
+    },
     "node_modules/@types/prop-types": {
       "version": "15.7.13",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.13.tgz",
@@ -431,6 +440,11 @@
         "@types/react": "*"
       }
     },
+    "node_modules/browser-fs-access": {
+      "version": "0.35.0",
+      "resolved": "https://registry.npmjs.org/browser-fs-access/-/browser-fs-access-0.35.0.tgz",
+      "integrity": "sha512-sLoadumpRfsjprP8XzVjpQc0jK8yqHBx0PtUTGYj2fftT+P/t+uyDAQdMgGAPKD011in/O+YYGh7fIs0oG/viw=="
+    },
     "node_modules/csstype": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
@@ -475,6 +489,31 @@
         "@esbuild/win32-x64": "0.24.0"
       }
     },
+    "node_modules/hachure-fill": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/hachure-fill/-/hachure-fill-0.5.2.tgz",
+      "integrity": "sha512-3GKBOn+m2LX9iq+JC1064cSFprJY4jL1jCXTcpnfER5HYE2l/4EfWSGzkPa/ZDBmYI0ZOEj5VHV/eKnPGkHuOg=="
+    },
+    "node_modules/jotai": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/jotai/-/jotai-2.10.0.tgz",
+      "integrity": "sha512-8W4u0aRlOIwGlLQ0sqfl/c6+eExl5D8lZgAUolirZLktyaj4WnxO/8a0HEPmtriQAB6X5LMhXzZVmw02X0P0qQ==",
+      "engines": {
+        "node": ">=12.20.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=17.0.0",
+        "react": ">=17.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -491,6 +530,25 @@
         "loose-envify": "cli.js"
       }
     },
+    "node_modules/path-data-parser": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/path-data-parser/-/path-data-parser-0.1.0.tgz",
+      "integrity": "sha512-NOnmBpt5Y2RWbuv0LMzsayp3lVylAHLPUTut412ZA3l+C4uw4ZVkQbjShYCQ8TCpUMdPapr4YjUqLYD6v68j+w=="
+    },
+    "node_modules/points-on-curve": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/points-on-curve/-/points-on-curve-0.2.0.tgz",
+      "integrity": "sha512-0mYKnYYe9ZcqMCWhUjItv/oHjvgEsfKvnUTg8sAtnHr3GVy7rGkXCb6d5cSyqrWqL4k81b9CPg3urd+T7aop3A=="
+    },
+    "node_modules/points-on-path": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/points-on-path/-/points-on-path-0.2.1.tgz",
+      "integrity": "sha512-25ClnWWuw7JbWZcgqY/gJ4FQWadKxGWk+3kR/7kD0tCaDtPPMj7oHu2ToLaVhfpnHrZzYby2w6tUA0eOIuUg8g==",
+      "dependencies": {
+        "path-data-parser": "0.1.0",
+        "points-on-curve": "0.2.0"
+      }
+    },
     "node_modules/react": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
@@ -514,6 +572,17 @@
         "react": "^18.3.1"
       }
     },
+    "node_modules/roughjs": {
+      "version": "4.6.6",
+      "resolved": "https://registry.npmjs.org/roughjs/-/roughjs-4.6.6.tgz",
+      "integrity": "sha512-ZUz/69+SYpFN/g/lUlo2FXcIjRkSu3nDarreVdGGndHEBJ6cXPdKguS8JGxwj5HA5xIbVKSmLgr5b3AWxtRfvQ==",
+      "dependencies": {
+        "hachure-fill": "^0.5.2",
+        "path-data-parser": "^0.1.0",
+        "points-on-curve": "^0.2.0",
+        "points-on-path": "^0.2.1"
+      }
+    },
     "node_modules/scheduler": {
       "version": "0.23.2",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.2.tgz",

frontend/typescript/excalidraw_canvas/package.json

@@ -1,10 +1,14 @@
 {
   "dependencies": {
     "@excalidraw/excalidraw": "0.17.6",
+    "@excalidraw/laser-pointer": "1.3.1",
     "@types/react": "18.3.10",
     "@types/react-dom": "18.3.0",
+    "browser-fs-access": "0.35.0",
+    "jotai": "2.10.0",
     "react": "18.3.1",
-    "react-dom": "18.3.1"
+    "react-dom": "18.3.1",
+    "roughjs": "4.6.6"
   },
   "devDependencies": {
     "esbuild": "^0.24.0",