fix(therapist): Remove unused and duplicate imports across therapist app

[Muneerali199]

Summary

Running flutter analyze on the therapist/ app reveals 14 unused import warnings across 9 files. These are warning-level diagnostics.

Affected Files

File	Issue
lib/core/repository/therapist/therapist_repository.dart	unused_import: profession_model.dart
lib/presentation/auth/auth_screen.dart	unused_import: personal_details_screen.dart, home_screen.dart
lib/presentation/consultation/consultation_request_detail_screen.dart	unused_import: provider.dart, consultation_request_entity.dart, consultation_provider.dart
lib/presentation/home/widgets/patient_card.dart	unused_import: therapy_goals_screen.dart
lib/presentation/therapy_goals/therapy_home_screen.dart	unused_import: provider.dart, supabase_therapy_repository.dart, therapy_repository.dart, daily_activities_provider.dart
lib/provider/consultation_provider.dart	unused_import: consultation_request_entity.dart
lib/provider/therapist_provider.dart	unused_import: therapist_personal_info_entity.dart
lib/repository/supabase_therapy_repository.dart	unused_import: dart:convert, flutter/foundation.dart, daily_activity_model.dart, daily_activity_response_model.dart

Steps to Reproduce

cd therapist
flutter analyze

Expected Behavior

flutter analyze reports no unused_import warnings.

Fix

Remove each flagged import line.