AnkiEDN maintener request: add an auto-protect feature for learned cards

[Dev-Zaius]

• Add auto_protect.py with two functions:
  • on_card_reviewed(): hook that protects a note when its card transitions to Review state (card.type == 2)
  • protect_all_learned(): batch that protects all learned notes
• Register reviewer_did_answer_card hook in hooks_init()
• Add two opt-in checkboxes and batch button in Global Settings
• Fix case-insensitive tag detection in note.py (line 429) to handle Anki's automatic tag lowercasing

[Copilot]

Pull request overview

Adds an auto-protect workflow so learned/reviewed notes can be tagged with AnkiCollab_Protect::All, plus related settings UI and a partial fix for lowercased protection tags during import. In the current state, the lowercased-tag handling is still incomplete, so the new feature can fail to preserve protected content and can leak personal protection tags into exported deck data.

Changes:

• Added auto_protect.py with a reviewer hook and a batch action for protecting learned/reviewed notes.
• Exposed new auto-protect controls in the global settings dialog.
• Updated protected-tag detection in note import logic to be case-insensitive.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 4 comments.

File	Description
plugin_source/menu.py	Adds global settings controls for auto-protect and the batch action button.
plugin_source/hooks.py	Imports the new auto-protect helpers and registers the reviewer hook.
plugin_source/crowd_anki/representation/note.py	Adjusts protected-tag detection during import; also still contains related export stripping logic.
plugin_source/auto_protect.py	Implements automatic note tagging on review and batch protection for learned notes.

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