Add task detail view with navigation and logs

[EhabY]

Summary

Build the task detail view UI with navigation from the task list, real-time logs, and adaptive polling based on task state.

Goals

• Detail view showing task status, logs, and actions
• Navigation between task list and detail view
• Real-time logs via push messages
• Adaptive polling intervals (faster for active tasks, slower for idle/complete)
• Message input for interacting with tasks

Resources

• Figma designs
• Notion spec