feat: implement admin blocks management feature

- Added AdminBlocksManagement component for managing court blocks.
- Implemented functionality to create, edit, and delete blocks.
- Integrated fetching of courts and blocks from the API.
- Added validation for block creation and editing forms.
- Enhanced UI with responsive design for mobile and desktop views.
- Created database migration for court_blocks table and updated users table with theme_preference.

lib/db/schema.ts

@@ -104,6 +104,20 @@ export const metrics = sqliteTable('metrics', {
 	updatedAt: integer('updated_at', { mode: 'timestamp' }).notNull(),
 });
 
+// Court blocks table for admin-managed closures (tournaments, maintenance, etc.)
+export const courtBlocks = sqliteTable('court_blocks', {
+	id: text('id').primaryKey(),
+	courtId: text('court_id').references(() => courts.id, { onDelete: 'cascade' }), // NULL means all courts
+	date: text('date').notNull(), // Format: "YYYY-MM-DD"
+	startTime: text('start_time').notNull(), // Format: "HH:MM"
+	endTime: text('end_time').notNull(), // Format: "HH:MM"
+	reason: text('reason').notNull(), // e.g., "Tournament", "AGM", "Maintenance"
+	createdBy: text('created_by')
+		.notNull()
+		.references(() => users.id, { onDelete: 'cascade' }),
+	createdAt: integer('created_at', { mode: 'timestamp' }).notNull(),
+});
+
 // Zod schemas for validation
 export const insertUserSchema = createInsertSchema(users);
 export const selectUserSchema = createSelectSchema(users);
@@ -121,6 +135,8 @@ export const insertActivityLogSchema = createInsertSchema(activityLogs);
 export const selectActivityLogSchema = createSelectSchema(activityLogs);
 export const insertMetricSchema = createInsertSchema(metrics);
 export const selectMetricSchema = createSelectSchema(metrics);
+export const insertCourtBlockSchema = createInsertSchema(courtBlocks);
+export const selectCourtBlockSchema = createSelectSchema(courtBlocks);
 
 // Types
 export type User = typeof users.$inferSelect;
@@ -139,3 +155,5 @@ export type ActivityLog = typeof activityLogs.$inferSelect;
 export type NewActivityLog = typeof activityLogs.$inferInsert;
 export type Metric = typeof metrics.$inferSelect;
 export type NewMetric = typeof metrics.$inferInsert;
+export type CourtBlock = typeof courtBlocks.$inferSelect;
+export type NewCourtBlock = typeof courtBlocks.$inferInsert;