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

backend/src/utils/scheduler-utils.ts

@@ -191,7 +191,7 @@ export function parseIntakesJson(
 		try {
 			const parsed = JSON.parse(intakesJson);
 			if (Array.isArray(parsed) && parsed.length > 0) {
-				return parsed.map((intake: any) => ({
+				return parsed.map((intake: Record<string, unknown>) => ({
 					usage: typeof intake.usage === "number" ? intake.usage : 0,
 					every: typeof intake.every === "number" ? intake.every : 1,
 					start: typeof intake.start === "string" ? intake.start : new Date().toISOString(),
@@ -312,7 +312,7 @@ export type UpcomingIntake = {
 export function getTodaysIntakes(
 	medName: string,
 	intakes: Intake[],
-	medicationTakenBy: string[], // Medication-level takenBy as fallback
+	_medicationTakenBy: string[], // Medication-level takenBy as fallback
 	pillWeightMg: number | null,
 	locale: string,
 	tz?: string,
@@ -388,7 +388,7 @@ export function getUpcomingIntakes(
 	medName: string,
 	intakes: Intake[],
 	minutesBefore: number,
-	medicationTakenBy: string[], // Medication-level takenBy as fallback
+	_medicationTakenBy: string[], // Medication-level takenBy as fallback
 	pillWeightMg: number | null,
 	locale: string,
 	tz?: string,