Use timestamp in default filename to avoid overwriting

[nifanfa]

Summary by Sourcery

Use current timestamp for default output filenames to prevent file overwrites

Enhancements:

• Import datetime module in UI
• Generate default image and video filenames using datetime.now().strftime("%Y%m%d%H%M")

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Replaces fixed default filenames with dynamically generated timestamp-based names by importing datetime and updating the initialfile parameters in the save dialog, preventing accidental overwrites of previous exports.

Class diagram for updated select_output_path function

classDiagram
    class select_output_path {
        +start: Callable[[], None]
        +initialfile: str
    }
    select_output_path : initialfile = datetime.now().strftime("%Y%m%d%H%M") + ext

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File-Level Changes

Change	Details	Files
Generate timestamped default filenames instead of static names	Add import of datetime for timestamp generation Update image dialog initialfile to datetime.now().strftime("%Y%m%d%H%M") + ".png" Update video dialog initialfile to datetime.now().strftime("%Y%m%d%H%M") + ".mp4"	modules/ui.py

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[sourcery-ai]

Hey @nifanfa - I've reviewed your changes - here's some feedback:

• Consider including seconds (e.g., %Y%m%d%H%M%S) or another unique identifier in the timestamp to avoid collisions if multiple files are saved within the same minute.
• Extract the timestamp-based filename logic into a small helper function to reduce duplication and improve code readability.

Prompt for AI Agents

Please address the comments from this code review:
## Overall Comments
- Consider including seconds (e.g., `%Y%m%d%H%M%S`) or another unique identifier in the timestamp to avoid collisions if multiple files are saved within the same minute.
- Extract the timestamp-based filename logic into a small helper function to reduce duplication and improve code readability.

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