diff --git a/extensions/ql-vscode/.storybook/main.ts b/extensions/ql-vscode/.storybook/main.ts
index c58a47d0c..9cceeeb5e 100644
--- a/extensions/ql-vscode/.storybook/main.ts
+++ b/extensions/ql-vscode/.storybook/main.ts
@@ -6,6 +6,7 @@ const config: StorybookConfig = {
     "@storybook/addon-links",
     "@storybook/addon-essentials",
     "@storybook/addon-interactions",
+    "@storybook/addon-a11y",
     "./vscode-theme-addon/preset.ts",
   ],
   framework: {
diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 967d114af..66e91ddbc 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -56,6 +56,7 @@
         "@faker-js/faker": "^8.0.2",
         "@github/markdownlint-github": "^0.3.0",
         "@octokit/plugin-throttling": "^8.0.0",
+        "@storybook/addon-a11y": "^7.4.6",
         "@storybook/addon-actions": "^7.1.0",
         "@storybook/addon-essentials": "^7.1.0",
         "@storybook/addon-interactions": "^7.1.0",
@@ -5502,6 +5503,240 @@
         "@sinonjs/commons": "^1.7.0"
       }
     },
+    "node_modules/@storybook/addon-a11y": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/addon-a11y/-/addon-a11y-7.4.6.tgz",
+      "integrity": "sha512-RE8sXk9KEqgmjsFmG31eObgPMTOvvWnoNZIaZEHs88X30tNHtFwjc0jzvCR/xriKsBtQdYQTUSsB7pSjaJHNzQ==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/addon-highlight": "7.4.6",
+        "@storybook/channels": "7.4.6",
+        "@storybook/client-logger": "7.4.6",
+        "@storybook/components": "7.4.6",
+        "@storybook/core-events": "7.4.6",
+        "@storybook/global": "^5.0.0",
+        "@storybook/manager-api": "7.4.6",
+        "@storybook/preview-api": "7.4.6",
+        "@storybook/theming": "7.4.6",
+        "@storybook/types": "7.4.6",
+        "axe-core": "^4.2.0",
+        "lodash": "^4.17.21",
+        "react-resize-detector": "^7.1.2"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0",
+        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0"
+      },
+      "peerDependenciesMeta": {
+        "react": {
+          "optional": true
+        },
+        "react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/addon-highlight": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/addon-highlight/-/addon-highlight-7.4.6.tgz",
+      "integrity": "sha512-zCufxxD2KS5VwczxfkcBxe1oR/juTTn2H1Qm8kYvWCJQx3UxzX0+G9cwafbpV7eivqaufLweEwROkH+0KjAtkQ==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/core-events": "7.4.6",
+        "@storybook/global": "^5.0.0",
+        "@storybook/preview-api": "7.4.6"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/channels": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/channels/-/channels-7.4.6.tgz",
+      "integrity": "sha512-yPv/sfo2c18fM3fvG0i1xse63vG8l33Al/OU0k/dtovltPu001/HVa1QgBgsb/QrEfZtvGjGhmtdVeYb39fv3A==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/client-logger": "7.4.6",
+        "@storybook/core-events": "7.4.6",
+        "@storybook/global": "^5.0.0",
+        "qs": "^6.10.0",
+        "telejson": "^7.2.0",
+        "tiny-invariant": "^1.3.1"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/client-logger": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/client-logger/-/client-logger-7.4.6.tgz",
+      "integrity": "sha512-XDw31ZziU//86PKuMRnmc+L/G0VopaGKENQOGEpvAXCU9IZASwGKlKAtcyosjrpi+ZiUXlMgUXCpXM7x3b1Ehw==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/global": "^5.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/components": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/components/-/components-7.4.6.tgz",
+      "integrity": "sha512-nIRBhewAgrJJVafyCzuaLx1l+YOfvvD5dOZ0JxZsxJsefOdw1jFpUqUZ5fIpQ2moyvrR0mAUFw378rBfMdHz5Q==",
+      "dev": true,
+      "dependencies": {
+        "@radix-ui/react-select": "^1.2.2",
+        "@radix-ui/react-toolbar": "^1.0.4",
+        "@storybook/client-logger": "7.4.6",
+        "@storybook/csf": "^0.1.0",
+        "@storybook/global": "^5.0.0",
+        "@storybook/theming": "7.4.6",
+        "@storybook/types": "7.4.6",
+        "memoizerific": "^1.11.3",
+        "use-resize-observer": "^9.1.0",
+        "util-deprecate": "^1.0.2"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0",
+        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/core-events": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/core-events/-/core-events-7.4.6.tgz",
+      "integrity": "sha512-r5vrE+32lwrJh1NGFr1a0mWjvxo7q8FXYShylcwRWpacmL5NTtLkrXOoJSeGvJ4yKNYkvxQFtOPId4lzDxa32w==",
+      "dev": true,
+      "dependencies": {
+        "ts-dedent": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/manager-api": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/manager-api/-/manager-api-7.4.6.tgz",
+      "integrity": "sha512-inrm3DIbCp8wjXSN/wK6e6i2ysQ/IEmtC7IN0OJ7vdrp+USCooPT448SQTUmVctUGCFmOU3fxXByq8g77oIi7w==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/channels": "7.4.6",
+        "@storybook/client-logger": "7.4.6",
+        "@storybook/core-events": "7.4.6",
+        "@storybook/csf": "^0.1.0",
+        "@storybook/global": "^5.0.0",
+        "@storybook/router": "7.4.6",
+        "@storybook/theming": "7.4.6",
+        "@storybook/types": "7.4.6",
+        "dequal": "^2.0.2",
+        "lodash": "^4.17.21",
+        "memoizerific": "^1.11.3",
+        "semver": "^7.3.7",
+        "store2": "^2.14.2",
+        "telejson": "^7.2.0",
+        "ts-dedent": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0",
+        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/preview-api": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/preview-api/-/preview-api-7.4.6.tgz",
+      "integrity": "sha512-byUS/Opt3ytWD4cWz3sNEKw5Yks8MkQgRN+GDSyIomaEAQkLAM0rchPC0MYjwCeUSecV7IIQweNX5RbV4a34BA==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/channels": "7.4.6",
+        "@storybook/client-logger": "7.4.6",
+        "@storybook/core-events": "7.4.6",
+        "@storybook/csf": "^0.1.0",
+        "@storybook/global": "^5.0.0",
+        "@storybook/types": "7.4.6",
+        "@types/qs": "^6.9.5",
+        "dequal": "^2.0.2",
+        "lodash": "^4.17.21",
+        "memoizerific": "^1.11.3",
+        "qs": "^6.10.0",
+        "synchronous-promise": "^2.0.15",
+        "ts-dedent": "^2.0.0",
+        "util-deprecate": "^1.0.2"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/router": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/router/-/router-7.4.6.tgz",
+      "integrity": "sha512-Vl1esrHkcHxDKqc+HY7+6JQpBPW3zYvGk0cQ2rxVMhWdLZTAz1hss9DqzN9tFnPyfn0a1Q77EpMySkUrvWKKNQ==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/client-logger": "7.4.6",
+        "memoizerific": "^1.11.3",
+        "qs": "^6.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0",
+        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/theming": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/theming/-/theming-7.4.6.tgz",
+      "integrity": "sha512-HW77iJ9ptCMqhoBOYFjRQw7VBap+38fkJGHP5KylEJCyYCgIAm2dEcQmtWpMVYFssSGcb6djfbtAMhYU4TL4Iw==",
+      "dev": true,
+      "dependencies": {
+        "@emotion/use-insertion-effect-with-fallbacks": "^1.0.0",
+        "@storybook/client-logger": "7.4.6",
+        "@storybook/global": "^5.0.0",
+        "memoizerific": "^1.11.3"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0",
+        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
+    "node_modules/@storybook/addon-a11y/node_modules/@storybook/types": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/types/-/types-7.4.6.tgz",
+      "integrity": "sha512-6QLXtMVsFZFpzPkdGWsu/iuc8na9dnS67AMOBKm5qCLPwtUJOYkwhMdFRSSeJthLRpzV7JLAL8Kwvl7MFP3QSw==",
+      "dev": true,
+      "dependencies": {
+        "@storybook/channels": "7.4.6",
+        "@types/babel__core": "^7.0.0",
+        "@types/express": "^4.7.0",
+        "file-system-cache": "2.3.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/storybook"
+      }
+    },
     "node_modules/@storybook/addon-actions": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/@storybook/addon-actions/-/addon-actions-7.3.1.tgz",
@@ -27024,6 +27259,19 @@
       "integrity": "sha512-t0hLfiEKfMUoqhG+U1oid7Pva4bbDPHYfJNiB7BiIjRkj1pyC++4N3huJfqY6aRH6VTB0rvtzQwjM4K6qpfOig==",
       "dev": true
     },
+    "node_modules/react-resize-detector": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/react-resize-detector/-/react-resize-detector-7.1.2.tgz",
+      "integrity": "sha512-zXnPJ2m8+6oq9Nn8zsep/orts9vQv3elrpA+R8XTcW7DVVUJ9vwDwMXaBtykAYjMnkCIaOoK9vObyR7ZgFNlOw==",
+      "dev": true,
+      "dependencies": {
+        "lodash": "^4.17.21"
+      },
+      "peerDependencies": {
+        "react": "^16.0.0 || ^17.0.0 || ^18.0.0",
+        "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
     "node_modules/react-style-singleton": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/react-style-singleton/-/react-style-singleton-2.2.1.tgz",
@@ -29071,9 +29319,9 @@
       }
     },
     "node_modules/telejson": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/telejson/-/telejson-7.1.0.tgz",
-      "integrity": "sha512-jFJO4P5gPebZAERPkJsqMAQ0IMA1Hi0AoSfxpnUaV6j6R2SZqlpkbS20U6dEUtA3RUYt2Ak/mTlkQzHH9Rv/hA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/telejson/-/telejson-7.2.0.tgz",
+      "integrity": "sha512-1QTEcJkJEhc8OnStBx/ILRu5J2p0GjvWsBx56bmZRqnrkdBMUe+nX92jxV+p3dB4CP6PZCdJMQJwCggkNBMzkQ==",
       "dev": true,
       "dependencies": {
         "memoizerific": "^1.11.3"
@@ -35450,6 +35698,170 @@
         "@sinonjs/commons": "^1.7.0"
       }
     },
+    "@storybook/addon-a11y": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/@storybook/addon-a11y/-/addon-a11y-7.4.6.tgz",
+      "integrity": "sha512-RE8sXk9KEqgmjsFmG31eObgPMTOvvWnoNZIaZEHs88X30tNHtFwjc0jzvCR/xriKsBtQdYQTUSsB7pSjaJHNzQ==",
+      "dev": true,
+      "requires": {
+        "@storybook/addon-highlight": "7.4.6",
+        "@storybook/channels": "7.4.6",
+        "@storybook/client-logger": "7.4.6",
+        "@storybook/components": "7.4.6",
+        "@storybook/core-events": "7.4.6",
+        "@storybook/global": "^5.0.0",
+        "@storybook/manager-api": "7.4.6",
+        "@storybook/preview-api": "7.4.6",
+        "@storybook/theming": "7.4.6",
+        "@storybook/types": "7.4.6",
+        "axe-core": "^4.2.0",
+        "lodash": "^4.17.21",
+        "react-resize-detector": "^7.1.2"
+      },
+      "dependencies": {
+        "@storybook/addon-highlight": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/addon-highlight/-/addon-highlight-7.4.6.tgz",
+          "integrity": "sha512-zCufxxD2KS5VwczxfkcBxe1oR/juTTn2H1Qm8kYvWCJQx3UxzX0+G9cwafbpV7eivqaufLweEwROkH+0KjAtkQ==",
+          "dev": true,
+          "requires": {
+            "@storybook/core-events": "7.4.6",
+            "@storybook/global": "^5.0.0",
+            "@storybook/preview-api": "7.4.6"
+          }
+        },
+        "@storybook/channels": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/channels/-/channels-7.4.6.tgz",
+          "integrity": "sha512-yPv/sfo2c18fM3fvG0i1xse63vG8l33Al/OU0k/dtovltPu001/HVa1QgBgsb/QrEfZtvGjGhmtdVeYb39fv3A==",
+          "dev": true,
+          "requires": {
+            "@storybook/client-logger": "7.4.6",
+            "@storybook/core-events": "7.4.6",
+            "@storybook/global": "^5.0.0",
+            "qs": "^6.10.0",
+            "telejson": "^7.2.0",
+            "tiny-invariant": "^1.3.1"
+          }
+        },
+        "@storybook/client-logger": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/client-logger/-/client-logger-7.4.6.tgz",
+          "integrity": "sha512-XDw31ZziU//86PKuMRnmc+L/G0VopaGKENQOGEpvAXCU9IZASwGKlKAtcyosjrpi+ZiUXlMgUXCpXM7x3b1Ehw==",
+          "dev": true,
+          "requires": {
+            "@storybook/global": "^5.0.0"
+          }
+        },
+        "@storybook/components": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/components/-/components-7.4.6.tgz",
+          "integrity": "sha512-nIRBhewAgrJJVafyCzuaLx1l+YOfvvD5dOZ0JxZsxJsefOdw1jFpUqUZ5fIpQ2moyvrR0mAUFw378rBfMdHz5Q==",
+          "dev": true,
+          "requires": {
+            "@radix-ui/react-select": "^1.2.2",
+            "@radix-ui/react-toolbar": "^1.0.4",
+            "@storybook/client-logger": "7.4.6",
+            "@storybook/csf": "^0.1.0",
+            "@storybook/global": "^5.0.0",
+            "@storybook/theming": "7.4.6",
+            "@storybook/types": "7.4.6",
+            "memoizerific": "^1.11.3",
+            "use-resize-observer": "^9.1.0",
+            "util-deprecate": "^1.0.2"
+          }
+        },
+        "@storybook/core-events": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/core-events/-/core-events-7.4.6.tgz",
+          "integrity": "sha512-r5vrE+32lwrJh1NGFr1a0mWjvxo7q8FXYShylcwRWpacmL5NTtLkrXOoJSeGvJ4yKNYkvxQFtOPId4lzDxa32w==",
+          "dev": true,
+          "requires": {
+            "ts-dedent": "^2.0.0"
+          }
+        },
+        "@storybook/manager-api": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/manager-api/-/manager-api-7.4.6.tgz",
+          "integrity": "sha512-inrm3DIbCp8wjXSN/wK6e6i2ysQ/IEmtC7IN0OJ7vdrp+USCooPT448SQTUmVctUGCFmOU3fxXByq8g77oIi7w==",
+          "dev": true,
+          "requires": {
+            "@storybook/channels": "7.4.6",
+            "@storybook/client-logger": "7.4.6",
+            "@storybook/core-events": "7.4.6",
+            "@storybook/csf": "^0.1.0",
+            "@storybook/global": "^5.0.0",
+            "@storybook/router": "7.4.6",
+            "@storybook/theming": "7.4.6",
+            "@storybook/types": "7.4.6",
+            "dequal": "^2.0.2",
+            "lodash": "^4.17.21",
+            "memoizerific": "^1.11.3",
+            "semver": "^7.3.7",
+            "store2": "^2.14.2",
+            "telejson": "^7.2.0",
+            "ts-dedent": "^2.0.0"
+          }
+        },
+        "@storybook/preview-api": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/preview-api/-/preview-api-7.4.6.tgz",
+          "integrity": "sha512-byUS/Opt3ytWD4cWz3sNEKw5Yks8MkQgRN+GDSyIomaEAQkLAM0rchPC0MYjwCeUSecV7IIQweNX5RbV4a34BA==",
+          "dev": true,
+          "requires": {
+            "@storybook/channels": "7.4.6",
+            "@storybook/client-logger": "7.4.6",
+            "@storybook/core-events": "7.4.6",
+            "@storybook/csf": "^0.1.0",
+            "@storybook/global": "^5.0.0",
+            "@storybook/types": "7.4.6",
+            "@types/qs": "^6.9.5",
+            "dequal": "^2.0.2",
+            "lodash": "^4.17.21",
+            "memoizerific": "^1.11.3",
+            "qs": "^6.10.0",
+            "synchronous-promise": "^2.0.15",
+            "ts-dedent": "^2.0.0",
+            "util-deprecate": "^1.0.2"
+          }
+        },
+        "@storybook/router": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/router/-/router-7.4.6.tgz",
+          "integrity": "sha512-Vl1esrHkcHxDKqc+HY7+6JQpBPW3zYvGk0cQ2rxVMhWdLZTAz1hss9DqzN9tFnPyfn0a1Q77EpMySkUrvWKKNQ==",
+          "dev": true,
+          "requires": {
+            "@storybook/client-logger": "7.4.6",
+            "memoizerific": "^1.11.3",
+            "qs": "^6.10.0"
+          }
+        },
+        "@storybook/theming": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/theming/-/theming-7.4.6.tgz",
+          "integrity": "sha512-HW77iJ9ptCMqhoBOYFjRQw7VBap+38fkJGHP5KylEJCyYCgIAm2dEcQmtWpMVYFssSGcb6djfbtAMhYU4TL4Iw==",
+          "dev": true,
+          "requires": {
+            "@emotion/use-insertion-effect-with-fallbacks": "^1.0.0",
+            "@storybook/client-logger": "7.4.6",
+            "@storybook/global": "^5.0.0",
+            "memoizerific": "^1.11.3"
+          }
+        },
+        "@storybook/types": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/@storybook/types/-/types-7.4.6.tgz",
+          "integrity": "sha512-6QLXtMVsFZFpzPkdGWsu/iuc8na9dnS67AMOBKm5qCLPwtUJOYkwhMdFRSSeJthLRpzV7JLAL8Kwvl7MFP3QSw==",
+          "dev": true,
+          "requires": {
+            "@storybook/channels": "7.4.6",
+            "@types/babel__core": "^7.0.0",
+            "@types/express": "^4.7.0",
+            "file-system-cache": "2.3.0"
+          }
+        }
+      }
+    },
     "@storybook/addon-actions": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/@storybook/addon-actions/-/addon-actions-7.3.1.tgz",
@@ -51148,6 +51560,15 @@
         }
       }
     },
+    "react-resize-detector": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/react-resize-detector/-/react-resize-detector-7.1.2.tgz",
+      "integrity": "sha512-zXnPJ2m8+6oq9Nn8zsep/orts9vQv3elrpA+R8XTcW7DVVUJ9vwDwMXaBtykAYjMnkCIaOoK9vObyR7ZgFNlOw==",
+      "dev": true,
+      "requires": {
+        "lodash": "^4.17.21"
+      }
+    },
     "react-style-singleton": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/react-style-singleton/-/react-style-singleton-2.2.1.tgz",
@@ -52713,9 +53134,9 @@
       }
     },
     "telejson": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/telejson/-/telejson-7.1.0.tgz",
-      "integrity": "sha512-jFJO4P5gPebZAERPkJsqMAQ0IMA1Hi0AoSfxpnUaV6j6R2SZqlpkbS20U6dEUtA3RUYt2Ak/mTlkQzHH9Rv/hA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/telejson/-/telejson-7.2.0.tgz",
+      "integrity": "sha512-1QTEcJkJEhc8OnStBx/ILRu5J2p0GjvWsBx56bmZRqnrkdBMUe+nX92jxV+p3dB4CP6PZCdJMQJwCggkNBMzkQ==",
       "dev": true,
       "requires": {
         "memoizerific": "^1.11.3"
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index a41382a5c..0322690f8 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2105,6 +2105,7 @@
     "@faker-js/faker": "^8.0.2",
     "@github/markdownlint-github": "^0.3.0",
     "@octokit/plugin-throttling": "^8.0.0",
+    "@storybook/addon-a11y": "^7.4.6",
     "@storybook/addon-actions": "^7.1.0",
     "@storybook/addon-essentials": "^7.1.0",
     "@storybook/addon-interactions": "^7.1.0",