Added tests with storybook and like API call with service interrupt test

client/.storybook/preview.jsx

@@ -1,5 +1,10 @@
 import React from 'react';
-import { Provider } from '../src/components/ui/provider'; // Adjust path if needed
+import { Provider } from '../src/components/ui/provider';
+// 1. Import MSW
+import { initialize, mswLoader } from 'msw-storybook-addon';
+
+// 2. Initialize MSW
+initialize();
 
 /** @type { import('@storybook/react').Preview } */
 const preview = {
@@ -18,6 +23,8 @@ const preview = {
       ],
     },
   },
+  // 3. Add the MSW loader so it intercepts network requests in your stories
+  loaders: [mswLoader],
   decorators: [
     (Story) => (
         <Provider>

client/package-lock.json

@@ -44,6 +44,8 @@
         "eslint-plugin-react-refresh": "^0.4.20",
         "eslint-plugin-storybook": "^10.4.6",
         "globals": "^16.2.0",
+        "msw": "^2.14.6",
+        "msw-storybook-addon": "^2.0.7",
         "playwright": "^1.61.0",
         "prop-types": "^15.8.1",
         "storybook": "^10.4.6",
@@ -1303,6 +1305,93 @@
         "url": "https://github.com/sponsors/nzakas"
       }
     },
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=23.5.0 || ^22.13.0 || ^20.17.0"
+      }
+    },
+    "node_modules/@inquirer/confirm": {
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+      "resolved": "https://registry.npmjs.org/@inquirer/confirm/-/confirm-6.1.1.tgz",
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+      "license": "MIT",
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+        "@inquirer/type": "^4.0.7"
+      },
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+      },
+      "peerDependenciesMeta": {
+        "@types/node": {
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+        }
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+    },
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+      "license": "MIT",
+      "dependencies": {
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+        "@inquirer/figures": "^2.0.7",
+        "@inquirer/type": "^4.0.7",
+        "cli-width": "^4.1.0",
+        "fast-wrap-ansi": "^0.2.0",
+        "mute-stream": "^3.0.0",
+        "signal-exit": "^4.1.0"
+      },
+      "engines": {
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+      "peerDependenciesMeta": {
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+      "resolved": "https://registry.npmjs.org/@inquirer/figures/-/figures-2.0.7.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=23.5.0 || ^22.13.0 || ^20.17.0"
+      }
+    },
+    "node_modules/@inquirer/type": {
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+      "resolved": "https://registry.npmjs.org/@inquirer/type/-/type-4.0.7.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=23.5.0 || ^22.13.0 || ^20.17.0"
+      },
+      "peerDependencies": {
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+      },
+      "peerDependenciesMeta": {
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+    },
     "node_modules/@internationalized/date": {
       "version": "3.8.2",
       "resolved": "https://registry.npmjs.org/@internationalized/date/-/date-3.8.2.tgz",
@@ -1606,6 +1695,31 @@
         "react": ">=16"
       }
     },
+    "node_modules/@mswjs/interceptors": {
+      "version": "0.41.9",
+      "resolved": "https://registry.npmjs.org/@mswjs/interceptors/-/interceptors-0.41.9.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
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+        "@open-draft/logger": "^0.3.0",
+        "@open-draft/until": "^2.0.0",
+        "is-node-process": "^1.2.0",
+        "outvariant": "^1.4.3",
+        "strict-event-emitter": "^0.5.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@mswjs/interceptors/node_modules/@open-draft/deferred-promise": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@open-draft/deferred-promise/-/deferred-promise-2.2.0.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@napi-rs/wasm-runtime": {
       "version": "1.1.5",
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@@ -1632,6 +1746,31 @@
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+      "license": "MIT"
+    },
+    "node_modules/@open-draft/logger": {
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+      "resolved": "https://registry.npmjs.org/@open-draft/logger/-/logger-0.3.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "is-node-process": "^1.2.0",
+        "outvariant": "^1.4.0"
+      }
+    },
+    "node_modules/@open-draft/until": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@open-draft/until/-/until-2.1.0.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@oxc-parser/binding-android-arm-eabi": {
       "version": "0.127.0",
       "resolved": "https://registry.npmjs.org/@oxc-parser/binding-android-arm-eabi/-/binding-android-arm-eabi-0.127.0.tgz",
@@ -3467,6 +3606,16 @@
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     },
+    "node_modules/@types/node": {
+      "version": "25.9.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.3.tgz",
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+      "dependencies": {
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+      }
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@@ -3503,6 +3652,23 @@
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+      "dependencies": {
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+      }
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+      "license": "ISC",
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+      "license": "MIT"
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@@ -6929,6 +7230,24 @@
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+      "resolved": "https://registry.npmjs.org/msw/-/msw-2.14.6.tgz",
+      "integrity": "sha512-ALe+N10S72cyx94cMcy3Zs4HhXCj35sgeAL4c+WTvKi0zWnbd8/h0lcFqv0mb2P+aSgAdD7p9HzvA0DiUPxsyg==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "@inquirer/confirm": "^6.0.11",
+        "@mswjs/interceptors": "^0.41.3",
+        "@open-draft/deferred-promise": "^3.0.0",
+        "@types/statuses": "^2.0.6",
+        "cookie": "^1.1.1",
+        "graphql": "^16.13.2",
+        "headers-polyfill": "^5.0.1",
+        "is-node-process": "^1.2.0",
+        "outvariant": "^1.4.3",
+        "path-to-regexp": "^6.3.0",
+        "picocolors": "^1.1.1",
+        "rettime": "^0.11.11",
+        "statuses": "^2.0.2",
+        "strict-event-emitter": "^0.5.1",
+        "tough-cookie": "^6.0.1",
+        "type-fest": "^5.5.0",
+        "until-async": "^3.0.2",
+        "yargs": "^17.7.2"
+      },
+      "bin": {
+        "msw": "cli/index.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/mswjs"
+      },
+      "peerDependencies": {
+        "typescript": ">= 4.8.x"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/msw-storybook-addon": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/msw-storybook-addon/-/msw-storybook-addon-2.0.7.tgz",
+      "integrity": "sha512-TGmlxXy2TsaB6QcClVKRxqvay5f93xoLguHOihRFQ+gIEIyiyvcoQjkEeuOe7Y9qvddzGB1LyFomzPo9/EpnuQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "is-node-process": "^1.0.1"
+      },
+      "peerDependencies": {
+        "msw": "^2.0.0"
+      }
+    },
     "node_modules/murmurhash-js": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/murmurhash-js/-/murmurhash-js-1.0.0.tgz",
       "integrity": "sha512-TvmkNhkv8yct0SVBSy+o8wYzXjE4Zz3PCesbfs8HiCXXdcTuocApFv11UWlNFWKYsP2okqrhb7JNlSm9InBhIw==",
       "license": "MIT"
     },
+    "node_modules/mute-stream": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-3.0.0.tgz",
+      "integrity": "sha512-dkEJPVvun4FryqBmZ5KhDo0K9iDXAwn08tMLDinNdRBNPcYEDiWYysLcc6k3mjTMlbP9KyylvRpd4wFtwrT9rw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": "^20.17.0 || >=22.9.0"
+      }
+    },
     "node_modules/mz": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/mz/-/mz-2.7.0.tgz",
@@ -7906,6 +8300,13 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/outvariant": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/outvariant/-/outvariant-1.4.3.tgz",
+      "integrity": "sha512-+Sl2UErvtsoajRDKCE5/dBz4DIvHXQQnAxtQTF04OJxY0+DyZXSo5P5Bb7XYWOh81syohlYL24hbDwxedPUJCA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/oxc-parser": {
       "version": "0.127.0",
       "resolved": "https://registry.npmjs.org/oxc-parser/-/oxc-parser-0.127.0.tgz",
@@ -8105,6 +8506,13 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "node_modules/path-to-regexp": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-6.3.0.tgz",
+      "integrity": "sha512-Yhpw4T9C6hPpgPeA28us07OJeqZ5EzQTkbfwuhsUg0c237RomFoETJgmp2sa3F/41gfLE6G5cqcYwznmeEeOlQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/path-type": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
@@ -8839,6 +9247,16 @@
         "regl-scatter2d": "^3.2.3"
       }
     },
+    "node_modules/require-directory": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
+      "integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/resize-observer-polyfill": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/resize-observer-polyfill/-/resize-observer-polyfill-1.5.1.tgz",
@@ -8881,6 +9299,13 @@
         "protocol-buffers-schema": "^3.3.1"
       }
     },
+    "node_modules/rettime": {
+      "version": "0.11.11",
+      "resolved": "https://registry.npmjs.org/rettime/-/rettime-0.11.11.tgz",
+      "integrity": "sha512-ILJRqVWBCTlg9r42fFgwVZx1gnFAcQF8mRoMkbgQfIrjEDf9nbBFDFx00oloOa+Q869FUtaYDXZvEfnecQSCoQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/rollup": {
       "version": "4.44.1",
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.44.1.tgz",
@@ -9109,6 +9534,16 @@
         "escodegen": "^2.1.0"
       }
     },
+    "node_modules/statuses": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
+      "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/std-env": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/std-env/-/std-env-4.1.0.tgz",
@@ -9206,6 +9641,13 @@
       "integrity": "sha512-76ORR0DO1o1hlKwTbi/DM3EXWGf3ZJYO8cXX5RJwnul2DEg2oyoZyjLNoQM8WsvZiFKCRfC1O0J7iCvie3RZmQ==",
       "license": "MIT"
     },
+    "node_modules/strict-event-emitter": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/strict-event-emitter/-/strict-event-emitter-0.5.1.tgz",
+      "integrity": "sha512-vMgjE/GGEPEFnhFub6pa4FmJBRBVOLpIII2hvCZ8Kzb7K0hlHo7mQv6xYrBvCL2LtAIBwFUK8wvuJgTVSQ5MFQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -9471,6 +9913,19 @@
         "svg-path-bounds": "^1.0.1"
       }
     },
+    "node_modules/tagged-tag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/tagged-tag/-/tagged-tag-1.0.0.tgz",
+      "integrity": "sha512-yEFYrVhod+hdNyx7g5Bnkkb0G6si8HJurOoOEgC8B/O0uXLHlaey/65KRv6cuWBNhBgHKAROVpc7QyYqE5gFng==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=20"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/thenify": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
@@ -9575,6 +10030,26 @@
         "node": ">=14.0.0"
       }
     },
+    "node_modules/tldts": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/tldts/-/tldts-7.4.3.tgz",
+      "integrity": "sha512-A3BDQBeeukYPzB4QdQ1DtdlUmp4x2OCH8n5UVhEWbyANxNep8GavottKzd1xYKFJKjUgMyPT7EzOfnBO55s8Sg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "tldts-core": "^7.4.3"
+      },
+      "bin": {
+        "tldts": "bin/cli.js"
+      }
+    },
+    "node_modules/tldts-core": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/tldts-core/-/tldts-core-7.4.3.tgz",
+      "integrity": "sha512-27ep5H9PzdBrNd5OFM/j3WCU8F3kPwM9D0BOaOf7uYfxMJfyr0K5Tjj69Gri+sZlh2WXd5buIm47NuPF29CDiw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/to-float32": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/to-float32/-/to-float32-1.1.0.tgz",
@@ -9620,6 +10095,19 @@
         "node": ">=6"
       }
     },
+    "node_modules/tough-cookie": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-6.0.1.tgz",
+      "integrity": "sha512-LktZQb3IeoUWB9lqR5EWTHgW/VTITCXg4D21M+lvybRVdylLrRMnqaIONLVb5mav8vM19m44HIcGq4qASeu2Qw==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "tldts": "^7.0.5"
+      },
+      "engines": {
+        "node": ">=16"
+      }
+    },
     "node_modules/ts-api-utils": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.5.0.tgz",
@@ -9684,6 +10172,22 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/type-fest": {
+      "version": "5.7.0",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-5.7.0.tgz",
+      "integrity": "sha512-1URUxUqfHFM1c+zfSPsa3gnkO7Aq21qyH75SIduNYz4SzY964rn1X2vCMQaHSHhktiw+0kPa2iyb6PUpXqB6Vg==",
+      "dev": true,
+      "license": "(MIT OR CC0-1.0)",
+      "dependencies": {
+        "tagged-tag": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=20"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
@@ -9715,6 +10219,13 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/undici-types": {
+      "version": "7.24.6",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
+      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/universalify": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
@@ -9747,6 +10258,16 @@
       "integrity": "sha512-vRCqFv6UhXpWxZPyGDh/F3ZpNv8/qo7w6iufLpQg9aKnQ71qM4B5KiI7Mia9COcjEhrO9LueHpMYjYzsWH3OIg==",
       "license": "MIT"
     },
+    "node_modules/until-async": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/until-async/-/until-async-3.0.2.tgz",
+      "integrity": "sha512-IiSk4HlzAMqTUseHHe3VhIGyuFmN90zMTpD3Z3y8jeQbzLIq500MVM7Jq2vUAnTKAFPJrqwkzr6PoTcPhGcOiw==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/kettanaito"
+      }
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.2.3.tgz",
@@ -10258,6 +10779,16 @@
         "node": ">=0.4"
       }
     },
+    "node_modules/y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
@@ -10265,6 +10796,80 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/yargs": {
+      "version": "17.7.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz",
+      "integrity": "sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cliui": "^8.0.1",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.3",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^21.1.1"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/yargs-parser": {
+      "version": "21.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
+      "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/yargs/node_modules/ansi-regex": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/yargs/node_modules/emoji-regex": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/yargs/node_modules/string-width": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/yargs/node_modules/strip-ansi": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "ansi-regex": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/yocto-queue": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",

client/package.json

@@ -32,27 +32,34 @@
     "zustand": "^5.0.14"
   },
   "devDependencies": {
+    "@chromatic-com/storybook": "^5.2.1",
     "@eslint/js": "^9.29.0",
+    "@storybook/addon-a11y": "^10.4.6",
+    "@storybook/addon-docs": "^10.4.6",
+    "@storybook/addon-vitest": "^10.4.6",
+    "@storybook/react-vite": "^10.4.6",
     "@types/react": "^19.1.8",
     "@types/react-dom": "^19.1.6",
     "@vitejs/plugin-react-swc": "^3.10.2",
+    "@vitest/browser-playwright": "^4.1.9",
+    "@vitest/coverage-v8": "^4.1.9",
     "eslint": "^9.29.0",
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.20",
+    "eslint-plugin-storybook": "^10.4.6",
     "globals": "^16.2.0",
+    "msw": "^2.14.6",
+    "msw-storybook-addon": "^2.0.7",
+    "playwright": "^1.61.0",
+    "prop-types": "^15.8.1",
+    "storybook": "^10.4.6",
     "vite": "^6.3.5",
     "vite-jsconfig-paths": "^2.0.1",
-    "storybook": "^10.4.6",
+    "vitest": "^4.1.9"
-    "@storybook/react-vite": "^10.4.6",
+  },
-    "@chromatic-com/storybook": "^5.2.1",
+  "msw": {
-    "@storybook/addon-vitest": "^10.4.6",
+    "workerDirectory": [
-    "@storybook/addon-a11y": "^10.4.6",
+      "public"
-    "@storybook/addon-docs": "^10.4.6",
+    ]
-    "prop-types": "^15.8.1",
-    "eslint-plugin-storybook": "^10.4.6",
-    "vitest": "^4.1.9",
-    "playwright": "^1.61.0",
-    "@vitest/browser-playwright": "^4.1.9",
-    "@vitest/coverage-v8": "^4.1.9"
   }
 }

client/public/mockServiceWorker.js

@@ -0,0 +1,349 @@
+/* eslint-disable */
+/* tslint:disable */
+
+/**
+ * Mock Service Worker.
+ * @see https://github.com/mswjs/msw
+ * - Please do NOT modify this file.
+ */
+
+const PACKAGE_VERSION = '2.14.6'
+const INTEGRITY_CHECKSUM = '4db4a41e972cec1b64cc569c66952d82'
+const IS_MOCKED_RESPONSE = Symbol('isMockedResponse')
+const activeClientIds = new Set()
+
+addEventListener('install', function () {
+  self.skipWaiting()
+})
+
+addEventListener('activate', function (event) {
+  event.waitUntil(self.clients.claim())
+})
+
+addEventListener('message', async function (event) {
+  const clientId = Reflect.get(event.source || {}, 'id')
+
+  if (!clientId || !self.clients) {
+    return
+  }
+
+  const client = await self.clients.get(clientId)
+
+  if (!client) {
+    return
+  }
+
+  const allClients = await self.clients.matchAll({
+    type: 'window',
+  })
+
+  switch (event.data) {
+    case 'KEEPALIVE_REQUEST': {
+      sendToClient(client, {
+        type: 'KEEPALIVE_RESPONSE',
+      })
+      break
+    }
+
+    case 'INTEGRITY_CHECK_REQUEST': {
+      sendToClient(client, {
+        type: 'INTEGRITY_CHECK_RESPONSE',
+        payload: {
+          packageVersion: PACKAGE_VERSION,
+          checksum: INTEGRITY_CHECKSUM,
+        },
+      })
+      break
+    }
+
+    case 'MOCK_ACTIVATE': {
+      activeClientIds.add(clientId)
+
+      sendToClient(client, {
+        type: 'MOCKING_ENABLED',
+        payload: {
+          client: {
+            id: client.id,
+            frameType: client.frameType,
+          },
+        },
+      })
+      break
+    }
+
+    case 'CLIENT_CLOSED': {
+      activeClientIds.delete(clientId)
+
+      const remainingClients = allClients.filter((client) => {
+        return client.id !== clientId
+      })
+
+      // Unregister itself when there are no more clients
+      if (remainingClients.length === 0) {
+        self.registration.unregister()
+      }
+
+      break
+    }
+  }
+})
+
+addEventListener('fetch', function (event) {
+  const requestInterceptedAt = Date.now()
+
+  // Bypass navigation requests.
+  if (event.request.mode === 'navigate') {
+    return
+  }
+
+  // Opening the DevTools triggers the "only-if-cached" request
+  // that cannot be handled by the worker. Bypass such requests.
+  if (
+    event.request.cache === 'only-if-cached' &&
+    event.request.mode !== 'same-origin'
+  ) {
+    return
+  }
+
+  // Bypass all requests when there are no active clients.
+  // Prevents the self-unregistered worked from handling requests
+  // after it's been terminated (still remains active until the next reload).
+  if (activeClientIds.size === 0) {
+    return
+  }
+
+  const requestId = crypto.randomUUID()
+  event.respondWith(handleRequest(event, requestId, requestInterceptedAt))
+})
+
+/**
+ * @param {FetchEvent} event
+ * @param {string} requestId
+ * @param {number} requestInterceptedAt
+ */
+async function handleRequest(event, requestId, requestInterceptedAt) {
+  const client = await resolveMainClient(event)
+  const requestCloneForEvents = event.request.clone()
+  const response = await getResponse(
+    event,
+    client,
+    requestId,
+    requestInterceptedAt,
+  )
+
+  // Send back the response clone for the "response:*" life-cycle events.
+  // Ensure MSW is active and ready to handle the message, otherwise
+  // this message will pend indefinitely.
+  if (client && activeClientIds.has(client.id)) {
+    const serializedRequest = await serializeRequest(requestCloneForEvents)
+
+    // Clone the response so both the client and the library could consume it.
+    const responseClone = response.clone()
+
+    sendToClient(
+      client,
+      {
+        type: 'RESPONSE',
+        payload: {
+          isMockedResponse: IS_MOCKED_RESPONSE in response,
+          request: {
+            id: requestId,
+            ...serializedRequest,
+          },
+          response: {
+            type: responseClone.type,
+            status: responseClone.status,
+            statusText: responseClone.statusText,
+            headers: Object.fromEntries(responseClone.headers.entries()),
+            body: responseClone.body,
+          },
+        },
+      },
+      responseClone.body ? [serializedRequest.body, responseClone.body] : [],
+    )
+  }
+
+  return response
+}
+
+/**
+ * Resolve the main client for the given event.
+ * Client that issues a request doesn't necessarily equal the client
+ * that registered the worker. It's with the latter the worker should
+ * communicate with during the response resolving phase.
+ * @param {FetchEvent} event
+ * @returns {Promise<Client | undefined>}
+ */
+async function resolveMainClient(event) {
+  const client = await self.clients.get(event.clientId)
+
+  if (activeClientIds.has(event.clientId)) {
+    return client
+  }
+
+  if (client?.frameType === 'top-level') {
+    return client
+  }
+
+  const allClients = await self.clients.matchAll({
+    type: 'window',
+  })
+
+  return allClients
+    .filter((client) => {
+      // Get only those clients that are currently visible.
+      return client.visibilityState === 'visible'
+    })
+    .find((client) => {
+      // Find the client ID that's recorded in the
+      // set of clients that have registered the worker.
+      return activeClientIds.has(client.id)
+    })
+}
+
+/**
+ * @param {FetchEvent} event
+ * @param {Client | undefined} client
+ * @param {string} requestId
+ * @param {number} requestInterceptedAt
+ * @returns {Promise<Response>}
+ */
+async function getResponse(event, client, requestId, requestInterceptedAt) {
+  // Clone the request because it might've been already used
+  // (i.e. its body has been read and sent to the client).
+  const requestClone = event.request.clone()
+
+  function passthrough() {
+    // Cast the request headers to a new Headers instance
+    // so the headers can be manipulated with.
+    const headers = new Headers(requestClone.headers)
+
+    // Remove the "accept" header value that marked this request as passthrough.
+    // This prevents request alteration and also keeps it compliant with the
+    // user-defined CORS policies.
+    const acceptHeader = headers.get('accept')
+    if (acceptHeader) {
+      const values = acceptHeader.split(',').map((value) => value.trim())
+      const filteredValues = values.filter(
+        (value) => value !== 'msw/passthrough',
+      )
+
+      if (filteredValues.length > 0) {
+        headers.set('accept', filteredValues.join(', '))
+      } else {
+        headers.delete('accept')
+      }
+    }
+
+    return fetch(requestClone, { headers })
+  }
+
+  // Bypass mocking when the client is not active.
+  if (!client) {
+    return passthrough()
+  }
+
+  // Bypass initial page load requests (i.e. static assets).
+  // The absence of the immediate/parent client in the map of the active clients
+  // means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet
+  // and is not ready to handle requests.
+  if (!activeClientIds.has(client.id)) {
+    return passthrough()
+  }
+
+  // Notify the client that a request has been intercepted.
+  const serializedRequest = await serializeRequest(event.request)
+  const clientMessage = await sendToClient(
+    client,
+    {
+      type: 'REQUEST',
+      payload: {
+        id: requestId,
+        interceptedAt: requestInterceptedAt,
+        ...serializedRequest,
+      },
+    },
+    [serializedRequest.body],
+  )
+
+  switch (clientMessage.type) {
+    case 'MOCK_RESPONSE': {
+      return respondWithMock(clientMessage.data)
+    }
+
+    case 'PASSTHROUGH': {
+      return passthrough()
+    }
+  }
+
+  return passthrough()
+}
+
+/**
+ * @param {Client} client
+ * @param {any} message
+ * @param {Array<Transferable>} transferrables
+ * @returns {Promise<any>}
+ */
+function sendToClient(client, message, transferrables = []) {
+  return new Promise((resolve, reject) => {
+    const channel = new MessageChannel()
+
+    channel.port1.onmessage = (event) => {
+      if (event.data && event.data.error) {
+        return reject(event.data.error)
+      }
+
+      resolve(event.data)
+    }
+
+    client.postMessage(message, [
+      channel.port2,
+      ...transferrables.filter(Boolean),
+    ])
+  })
+}
+
+/**
+ * @param {Response} response
+ * @returns {Response}
+ */
+function respondWithMock(response) {
+  // Setting response status code to 0 is a no-op.
+  // However, when responding with a "Response.error()", the produced Response
+  // instance will have status code set to 0. Since it's not possible to create
+  // a Response instance with status code 0, handle that use-case separately.
+  if (response.status === 0) {
+    return Response.error()
+  }
+
+  const mockedResponse = new Response(response.body, response)
+
+  Reflect.defineProperty(mockedResponse, IS_MOCKED_RESPONSE, {
+    value: true,
+    enumerable: true,
+  })
+
+  return mockedResponse
+}
+
+/**
+ * @param {Request} request
+ */
+async function serializeRequest(request) {
+  return {
+    url: request.url,
+    mode: request.mode,
+    method: request.method,
+    headers: Object.fromEntries(request.headers.entries()),
+    cache: request.cache,
+    credentials: request.credentials,
+    destination: request.destination,
+    integrity: request.integrity,
+    redirect: request.redirect,
+    referrer: request.referrer,
+    referrerPolicy: request.referrerPolicy,
+    body: await request.arrayBuffer(),
+    keepalive: request.keepalive,
+  }
+}

client/src/components/Widgets/VaaActivity7Day.jsx

@@ -1,13 +1,16 @@
 import { useMemo } from 'react';
-import { Box, Flex, Text } from '@chakra-ui/react';
+import { Box, Flex, Spinner, Text } from '@chakra-ui/react';
 import Plot from 'react-plotly.js';
+import VdapApi from '../../hooks/useVdapApi.js'; // Adjust path as needed
+
+export default function VaaActivity7Day() {
+    // ONE LINE to handle all fetching, loading, and error states!
+    const { data: apiData, isLoading, error } = VdapApi('/api/v2/comm_coor_vaa');
 
-export default function VaaActivityChart({ data = [] }) {
-    // Transform flat database rows into Plotly's required "Traces"
     const plotTraces = useMemo(() => {
-        if (!data || data.length === 0) return [];
+        if (!apiData || apiData.length === 0) return [];
 
-        const groupedData = data.reduce((acc, curr) => {
+        const groupedData = apiData.reduce((acc, curr) => {
             const name = curr.volc_name || 'Unknown';
             if (!acc[name]) acc[name] = { x: [], y: [], text: [] };
 
@@ -27,21 +30,31 @@ export default function VaaActivityChart({ data = [] }) {
             hoverinfo: 'text',
             marker: { size: 8, line: { width: 1, color: 'white' } }
         }));
-    }, [data]);
+    }, [apiData]);
 
-    if (plotTraces.length === 0) {
+    if (isLoading) return (
-        return (
+        <Flex w="100%" h="100%" bg="gray.800" borderRadius="md" align="center" justify="center">
-            <Flex height="100%" width="100%" align="center" justify="center" bg="gray.800" borderRadius="md">
+            <Spinner size="xl" color="blue.400" thickness="4px" />
-                <Text color="gray.400">No flight level data available.</Text>
+        </Flex>
-            </Flex>
+    );
-        );
+
-    }
+    if (error) return (
+        <Flex w="100%" h="100%" bg="gray.800" borderRadius="md" align="center" justify="center" p={4}>
+            <Text color="red.400">{error}</Text>
+        </Flex>
+    );
+
+    if (plotTraces.length === 0) return (
+        <Flex height="100%" width="100%" align="center" justify="center" bg="gray.800" borderRadius="md">
+            <Text color="gray.400">No flight level data available.</Text>
+        </Flex>
+    );
 
     return (
         <Box height="100%" width="100%" bg="gray.800" borderRadius="md" overflow="hidden">
             <Plot
                 data={plotTraces}
-                useResizeHandler={true} // Crucial for reacting to grid drags
+                useResizeHandler={true}
                 style={{ width: '100%', height: '100%' }}
                 layout={{
                     autosize: true,

client/src/components/Widgets/VaaActivity7Day.stories.jsx

@@ -1,5 +1,6 @@
 import React from 'react';
 import { Box } from '@chakra-ui/react';
+import { http, HttpResponse } from 'msw'; // Import MSW
 import VaaActivity7Day from './VaaActivity7Day.jsx';
 
 export default {
@@ -25,10 +26,47 @@ const mockData = [
     { volc_name: "Popocatepetl", obs_va_epoch: Date.now() - 86400000 * 1, obs_fl: 200 }
 ];
 
+// Scenario LIVE: call our API for real
+export const LivePopulated = {};
+
+// Scenario 1: Successful API Call
 export const Populated = {
-    args: { data: mockData },
+    parameters: {
+        msw: {
+            handlers: [
+                // Intercept the exact URL your component is trying to fetch
+                http.get('*/api/v2/dvar_vaa', () => {
+                    // Return a 200 OK with the mock JSON
+                    return HttpResponse.json(mockData);
+                }),
+            ],
+        },
+    },
 };
 
-export const EmptyState = {
+// Scenario 2: The 500 Server Crash
-    args: { data: [] },
+export const ServerCrash = {
+    parameters: {
+        msw: {
+            handlers: [
+                http.get('*/api/v2/dvar_vaa', () => {
+                    // Return a 500 Error
+                    return new HttpResponse(null, { status: 500 });
+                }),
+            ],
+        },
+    },
+};
+
+// Scenario 3: Empty State (API works, but no data returned)
+export const EmptyData = {
+    parameters: {
+        msw: {
+            handlers: [
+                http.get('*/api/v2/dvar_vaa', () => {
+                    return HttpResponse.json([]);
+                }),
+            ],
+        },
+    },
 };

client/src/hooks/useVdapApi.js

@@ -0,0 +1,43 @@
+import { useState, useEffect } from 'react';
+
+export default function useWidgetApi(endpoint) {
+    const [data, setData] = useState([]);
+    const [isLoading, setIsLoading] = useState(true);
+    const [error, setError] = useState(null);
+
+    useEffect(() => {
+        const fetchData = async () => {
+            setIsLoading(true);
+            setError(null);
+
+            try {
+                const baseUrl = import.meta.env.VITE_API_BASE_URL || 'http://web-api:8000';
+                // Strip leading slashes to prevent double slashes in the URL
+                const cleanEndpoint = endpoint.startsWith('/') ? endpoint.slice(1) : endpoint;
+                const url = `${baseUrl}/${cleanEndpoint}`;
+
+                const response = await fetch(url);
+
+                if (!response.ok) {
+                    throw new Error(`API Error: ${response.status}`);
+                }
+
+                const json = await response.json();
+                const responseData = Array.isArray(json) ? json : json.data;
+                setData(responseData || []);
+
+            } catch (err) {
+                console.error(`Failed to fetch from ${endpoint}:`, err);
+                setError("Failed to load widget data. Is the Django API running?");
+            } finally {
+                setIsLoading(false);
+            }
+        };
+
+        if (endpoint) {
+            fetchData();
+        }
+    }, [endpoint]); // Re-fetch if the endpoint changes
+
+    return { data, isLoading, error };
+}