This commit introduces a time tracking feature for development sessions managed by .
Key changes:
- **Extended Notion Helpers:** Added new functions (get_page_number_property, get_page_date_property) to read numerical and date values from Notion. Refactored the status update function to a generic to handle various field types.
- **Session Start Time:** A timestamp (session_start_time) is now saved in the file when a session starts.
- **Automatic Time Calculation:** The time elapsed since is calculated when the command is executed.
- **Incremental Duration:** The calculated duration is added to the existing 'Total Duration h' property of the Notion task, and the result is written back to Notion.
- **Continuous Tracking:** The is reset to the current time after each report to accurately track the next work unit in the same session.
Fixes [2f488f42]