chore: initial plan for frontend test coverage

Agent-Logs-Url: https://github.com/christianlouis/InboxConverge/sessions/6b527e29-8e26-4f86-88e2-847687f759ad

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/package-lock.json

@@ -2819,7 +2819,7 @@
       "version": "19.2.10",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.10.tgz",
       "integrity": "sha512-WPigyYuGhgZ/cTPRXB2EwUw+XvsRA3GqHlsP4qteqrnnjDrApbS7MxcGr/hke5iUoeB7E/gQtrs9I37zAJ0Vjw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "csstype": "^3.2.2"
@@ -4256,7 +4256,7 @@
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
       "integrity": "sha512-z1HGKcYy2xA8AGQfwrn0PAy+PB7X/GSj3UVJW9qKyn43xWa+gl5nXmU4qqLMRzWVLFC8KusUX8T/0kCiOYpAIQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/damerau-levenshtein": {