feat: Phase 3 - filter bar, keyboard navigation, notifications, comments

- FilterBar component with text search, label chips, due date and priority dropdowns
- "/" keyboard shortcut and toolbar button to toggle filter bar
- Keyboard card navigation with J/K/H/L keys, Enter to open, Escape to clear
- Focus ring on keyboard-selected cards with auto-scroll
- Desktop notifications for due/overdue cards via tauri-plugin-notification
- CommentsSection component with add/delete and relative timestamps
- Filtered card count display in column headers

package-lock.json

@@ -11,9 +11,11 @@
         "@dnd-kit/core": "^6.3.1",
         "@dnd-kit/sortable": "^10.0.0",
         "@dnd-kit/utilities": "^3.2.2",
+        "@tailwindcss/typography": "^0.5.19",
         "@tauri-apps/api": "^2",
         "@tauri-apps/plugin-dialog": "^2.6.0",
         "@tauri-apps/plugin-fs": "^2.4.5",
+        "@tauri-apps/plugin-notification": "^2.3.3",
         "@tauri-apps/plugin-opener": "^2",
         "@tauri-apps/plugin-shell": "^2.3.5",
         "class-variance-authority": "^0.7.1",
@@ -22,6 +24,8 @@
         "date-fns": "^4.1.0",
         "framer-motion": "^12.34.0",
         "lucide-react": "^0.564.0",
+        "overlayscrollbars": "^2.14.0",
+        "overlayscrollbars-react": "^0.5.6",
         "radix-ui": "^1.4.3",
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
@@ -3678,6 +3682,31 @@
         "node": ">= 10"
       }
     },
+    "node_modules/@tailwindcss/typography": {
+      "version": "0.5.19",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/typography/-/typography-0.5.19.tgz",
+      "integrity": "sha512-w31dd8HOx3k9vPtcQh5QHP9GwKcgbMp87j58qi6xgiBnFFtKEAgCWnDw4qUT8aHwkCp8bKvb/KGKWWHedP0AAg==",
+      "license": "MIT",
+      "dependencies": {
+        "postcss-selector-parser": "6.0.10"
+      },
+      "peerDependencies": {
+        "tailwindcss": ">=3.0.0 || insiders || >=4.0.0-alpha.20 || >=4.0.0-beta.1"
+      }
+    },
+    "node_modules/@tailwindcss/typography/node_modules/postcss-selector-parser": {
+      "version": "6.0.10",
+      "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.10.tgz",
+      "integrity": "sha512-IQ7TZdoaqbT+LCpShg46jnZVlhWD2w6iQYAcYXfHARZ7X1t/UGhhceQDs5X0cGqKvYlHNOuv7Oa1xmb0oQuA3w==",
+      "license": "MIT",
+      "dependencies": {
+        "cssesc": "^3.0.0",
+        "util-deprecate": "^1.0.2"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/@tailwindcss/vite": {
       "version": "4.1.18",
       "resolved": "https://registry.npmjs.org/@tailwindcss/vite/-/vite-4.1.18.tgz",
@@ -3938,6 +3967,15 @@
         "@tauri-apps/api": "^2.8.0"
       }
     },
+    "node_modules/@tauri-apps/plugin-notification": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-notification/-/plugin-notification-2.3.3.tgz",
+      "integrity": "sha512-Zw+ZH18RJb41G4NrfHgIuofJiymusqN+q8fGUIIV7vyCH+5sSn5coqRv/MWB9qETsUs97vmU045q7OyseCV3Qg==",
+      "license": "MIT OR Apache-2.0",
+      "dependencies": {
+        "@tauri-apps/api": "^2.8.0"
+      }
+    },
     "node_modules/@tauri-apps/plugin-opener": {
       "version": "2.5.3",
       "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-opener/-/plugin-opener-2.5.3.tgz",
@@ -4865,7 +4903,6 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz",
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-      "dev": true,
       "license": "MIT",
       "bin": {
         "cssesc": "bin/cssesc"
@@ -8089,6 +8126,22 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/overlayscrollbars": {
+      "version": "2.14.0",
+      "resolved": "https://registry.npmjs.org/overlayscrollbars/-/overlayscrollbars-2.14.0.tgz",
+      "integrity": "sha512-RjV0pqc79kYhQLC3vTcLRb5GLpI1n6qh0Oua3g+bGH4EgNOJHVBGP7u0zZtxoAa0dkHlAqTTSYRb9MMmxNLjig==",
+      "license": "MIT"
+    },
+    "node_modules/overlayscrollbars-react": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/overlayscrollbars-react/-/overlayscrollbars-react-0.5.6.tgz",
+      "integrity": "sha512-E5To04bL5brn9GVCZ36SnfGanxa2I2MDkWoa4Cjo5wol7l+diAgi4DBc983V7l2nOk/OLJ6Feg4kySspQEGDBw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "overlayscrollbars": "^2.0.0",
+        "react": ">=16.8.0"
+      }
+    },
     "node_modules/package-manager-detector": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/package-manager-detector/-/package-manager-detector-1.6.0.tgz",
@@ -9322,7 +9375,6 @@
       "version": "4.1.18",
       "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.18.tgz",
       "integrity": "sha512-4+Z+0yiYyEtUVCScyfHCxOYP06L5Ne+JiHhY2IjR2KWMIWhJOYZKLSGZaP5HkZ8+bY0cxfzwDE5uOmzFXyIwxw==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/tapable": {
@@ -9762,7 +9814,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/validate-npm-package-name": {