Add visual and Markdown editors for ticket descriptions.

Replace the plain textarea with a dual-mode editor so ticket content can be written as WYSIWYG or Markdown while still storing Markdown.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/package-lock.json

@@ -7,6 +7,11 @@
     "": {
       "name": "web",
       "version": "0.0.0",
+      "dependencies": {
+        "marked": "^18.1.2",
+        "turndown": "^7.2.4",
+        "turndown-plugin-gfm": "^1.0.2"
+      },
       "devDependencies": {
         "@sveltejs/vite-plugin-svelte": "^7.3.1",
         "svelte": "^5.57.2",
@@ -63,6 +68,12 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
+    "node_modules/@mixmark-io/domino": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@mixmark-io/domino/-/domino-2.2.0.tgz",
+      "integrity": "sha512-Y28PR25bHXUg88kCV7nivXrP2Nj2RueZ3/l/jdx6J9f8J4nsEGcgX0Qe6lt7Pa+J79+kPiJU3LguR6O/6zrLOw==",
+      "license": "BSD-2-Clause"
+    },
     "node_modules/@oxc-project/types": {
       "version": "0.155.0",
       "resolved": "https://registry.npmjs.org/@oxc-project/types/-/types-0.155.0.tgz",
@@ -818,6 +829,18 @@
         "@jridgewell/sourcemap-codec": "^1.6.0"
       }
     },
+    "node_modules/marked": {
+      "version": "18.1.2",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-18.1.2.tgz",
+      "integrity": "sha512-DfOnvLAQ6WYeWxWO1u4RyFOeqyHup6dks5PPqnoFiooU7ipRvidO/2j8plhAHIiZg574E9ZlzSjUiPMLAzFkgg==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 20"
+      }
+    },
     "node_modules/nanoid": {
       "version": "3.3.20",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.20.tgz",
@@ -998,6 +1021,25 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/turndown": {
+      "version": "7.2.4",
+      "resolved": "https://registry.npmjs.org/turndown/-/turndown-7.2.4.tgz",
+      "integrity": "sha512-I8yFsfRzmzK0WV1pNNOA4A7y4RDfFxPRxb3t+e3ui14qSGOxGtiSP6GjeX+Y6CHb7HYaFj7ECUD7VE5kQMZWGQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@mixmark-io/domino": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=18",
+        "npm": ">=9"
+      }
+    },
+    "node_modules/turndown-plugin-gfm": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/turndown-plugin-gfm/-/turndown-plugin-gfm-1.0.2.tgz",
+      "integrity": "sha512-vwz9tfvF7XN/jE0dGoBei3FXWuvll78ohzCZQuOb+ZjWrs3a0XhQVomJEb2Qh4VHTPNRO4GPZh0V7VRbiWwkRg==",
+      "license": "MIT"
+    },
     "node_modules/vite": {
       "version": "8.3.5",
       "resolved": "https://registry.npmjs.org/vite/-/vite-8.3.5.tgz",