feat: Individual checklist page

[hinxcode]

This pull request includes significant changes to the support_sphere project, focusing on renaming classes, adding new methods for handling checklist steps, and updating the UI components to reflect these changes. The most important changes include renaming the Checklist class to UserChecklist, adding methods for updating step status, and modifying UI components to handle step interactions.

Class Renaming and Refactoring:

• src/support_sphere/lib/data/models/checklist.dart: Renamed Checklist class to UserChecklist and added stepStateId to ChecklistSteps class. [1] [2] [3] [4]

Repository and Service Updates:

• src/support_sphere/lib/data/repositories/checklist.dart: Updated methods to use UserChecklist and added methods for updating step status and checking if all steps are completed. [1] [2] [3]
• src/support_sphere/lib/data/services/checklist_service.dart: Added methods for updating step status and checking if all steps are completed.

UI Component Enhancements:

• src/support_sphere/lib/presentation/components/checklist_step_item.dart: Added new ChecklistStepItem component for displaying individual checklist steps with completion status.
• src/support_sphere/lib/presentation/pages/main_app/checklist/checklist_main_body.dart: Updated _ToBeDoneTab and _CompletedTab to handle step interactions and navigate to step details. [1] [2] [3] [4] [5] [6]

String Constants Update:

• src/support_sphere/lib/constants/string_catalog.dart: Updated string constants to reflect new checklist completion messages.

Related Issue

Resolves #141

DEMO

[github-actions[bot]]

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