Implement Task Editing Feature for Task Authors

Description

This task involves implementing functionality that allows task authors to edit the title and description of their existing tasks. The feature should include proper authorization checks to ensure only the original author can make modifications, along with updating the task's modification timestamp upon successful edits.

User Story Reference

As a task author, I want to edit the title and description of a task I created so that I can keep task information accurate and up to date.

Technical Requirements

Add edit functionality to the task detail view for authorized users
Implement authorization checks to verify user is the task author
Update the task's modification timestamp on successful edits
Display appropriate error messages for unauthorized users
Ensure proper validation of input fields

Acceptance Criteria

Task authors can edit both title and description of their tasks
Non-authors are prevented from editing tasks
System displays error message when unauthorized users attempt to edit
Modification timestamp updates automatically when changes are saved
Input validation is implemented for both title and description fields
Changes persist in the database after saving

BDD Scenarios

Author edits task title and description
Non-author attempts to edit task title

Technical Notes

Database Changes

No schema changes required
Will use existing modified_at timestamp field

Security Considerations

Implement proper authorization checks before allowing edits
Sanitize input data to prevent XSS attacks
Validate user session before processing edit requests

UI Components

Add edit buttons/icons for title and description
Implement inline editing or modal form
Show loading state during save operation
Display success/error notifications

Definition of Done

Feature implemented according to acceptance criteria
All BDD scenarios passing
Unit tests written and passing
Code reviewed and approved
Documentation updated
No security vulnerabilities introduced