chore: fix lint errors and reduce warnings across codebase (#234)

* chore: fix lint errors and reduce warnings across codebase

- Fix noExplicitAny catches in backend routes and plugins
- Fix noNestedTernary issues in backend services
- Add keyboard event handlers for useKeyWithClickEvents in frontend
- Disable noImportantStyles rule in biome.json
- Fix formatting errors across all changed files
- Fix test file lint issues

Closes #233

* fix: restore any types in test files for TS compatibility

* fix: revert Auth.tsx dependency array changes that caused infinite re-render

* fix: null-safe user.username access in AppContext dependency array

frontend/src/pages/PlannerPage.tsx

@@ -206,7 +206,16 @@ export function PlannerPage() {
 									meds.find((m) => m.id === row.medicationId) || meds.find((m) => m.name === row.medicationName);
 								const remainingRefills = med?.prescriptionEnabled ? (med.prescriptionRemainingRefills ?? 0) : null;
 								return (
-									<div key={row.medicationId} className="table-row clickable" onClick={() => med && openMedDetail(med)}>
+									<div
+										key={row.medicationId}
+										className="table-row clickable"
+										onClick={() => med && openMedDetail(med)}
+										onKeyDown={(e) => {
+											if (e.key === "Enter" || e.key === " ") {
+												if (med) openMedDetail(med);
+											}
+										}}
+									>
 										<span data-label={t("planner.table.medication")} className="cell-with-avatar">
 											<MedicationAvatar name={row.medicationName} imageUrl={med?.imageUrl} />
 											{row.medicationName}