Add OSHA Form 301 and Osha page components

- Implemented Form301 component for displaying OSHA Form 301 equivalent, including employee and case information.
- Created Osha component to manage OSHA recordkeeping, including tabs for 300 Log, 300A Summary, Hours & rates, and Submit to OSHA.
- Added functionality for printing and downloading CSV files for OSHA submissions.
- Integrated loading and error handling states for data fetching.

shared/enums.ts

@@ -33,3 +33,15 @@ export const rootCauseCategories = ['people', 'process', 'equipment', 'materials
 export const actionKinds = ['corrective', 'preventive'] as const
 
 export const actionStatuses = ['open', 'in_progress', 'done', 'verified', 'cancelled'] as const
+
+/** Form 300 column M: injury or illness type. */
+export const oshaCaseTypes = ['injury', 'skin_disorder', 'respiratory', 'poisoning', 'hearing_loss', 'other_illness'] as const
+export type OshaCaseType = (typeof oshaCaseTypes)[number]
+
+/** Form 300 columns G–J, most serious first. */
+export const oshaOutcomes = ['death', 'days_away', 'restricted', 'other'] as const
+export type OshaOutcome = (typeof oshaOutcomes)[number]
+
+/** Cases recordable under 1904.8–1904.11 regardless of the general criteria. */
+export const oshaSpecialCases = ['none', 'needlestick', 'medical_removal', 'hearing_loss', 'tuberculosis'] as const
+export type OshaSpecialCase = (typeof oshaSpecialCases)[number]