Feature: Add Task Prioritization Levels

[Sapna700]

Description

Add the ability to assign priority levels to tasks so users can organize and focus on the most important tasks first.

Goals

• Add priority levels: High, Medium, Low
• Display priority in task list
• Sort tasks by priority
• Update AI to consider priorities in suggestions

Implementation Details

• Modify TaskPilot class to support task metadata
• Update task storage structure:

  {
    "title": "Buy groceries",
    "priority": "high",
    "completed": false
  }

• Add CLI commands:
  • add <task> --priority high
  • priority <task_number> <level>
  • sort - Sort by priority

Acceptance Criteria

• ✅ Tasks can be assigned priority levels (High/Medium/Low)
• ✅ Priority displays in task list
• ✅ Tasks can be sorted by priority
• ✅ Unit tests added
• ✅ Documentation updated

Example Usage

You: add Buy groceries --priority high
Task added: Buy groceries (Priority: High)

You: tasks
1. [HIGH] Buy groceries
2. [MEDIUM] Review pull requests

Related Issues

Part of TaskPilot-AI roadmap