Fix pre-existing TypeScript type errors #670
Description
Pre-existing TypeScript type errors
These errors were detected by tsc --noEmit and exist independently of any recent PR changes. They should be fixed to keep the codebase clean.
Errors (5 total)
app/actions/supabase/coverage/get-coverage.test.ts(461,24): error TS2339: Property 'file_path' does not exist on type '{ branch_coverage: number | null; branch_name: string; created_at: string; created_by: string; exclusion_reason: string | null; file_size: number | null; full_path: string; function_coverage: number | null; ... 15 more ...; updated_by: string; }'.app/actions/supabase/coverage/get-coverage.test.ts(493,24): error TS2339: Property 'lines_total' does not exist on type '{ branch_coverage: number | null; branch_name: string; created_at: string; created_by: string; exclusion_reason: string | null; file_size: number | null; full_path: string; function_coverage: number | null; ... 15 more ...; updated_by: string; }'.app/actions/supabase/coverage/get-coverage.test.ts(525,24): error TS2339: Property 'file_path' does not exist on type '{ branch_coverage: number | null; branch_name: string; created_at: string; created_by: string; exclusion_reason: string | null; file_size: number | null; full_path: string; function_coverage: number | null; ... 15 more ...; updated_by: string; }'.utils/tokens.test.ts(22,5): error TS2322: Type 'MockedClass<typeof Tiktoken>' is not assignable to type 'Mock<any, any, any>'.Type 'MockInstance<Tiktoken, [ranks: TiktokenBPE, extendedSpecialTokens?: Record<string, number> | undefined], Tiktoken> & { prototype: Mocked<Tiktoken>; } & typeof Tiktoken' provides no match for the signature '(this: any, ...args: any): any'.