* Add 2FA actions to `AuthController`
* Hook up new `AuthController` actions to router
* Add `qr_code` to project dependencies
* Implement generic `qr_code` component rendering SVG QR code from text
* Implement enabled and disabled 2FA setting state in user settings view
* Implement view for initiating 2FA setup
* Implement view for verifying 2FA setup
* Implement view for rendering generated 2FA recovery codes
* Implement view for verifying 2FA code
* Implement view for verifying 2FA recovery code
* Improve `input_with_clipboard` component
* Improve view for initiating 2FA setup
* Improve verify 2FA setup view
* Implement `verify_2fa_input` component
* Improve view for verifying 2FA setup
* Improve view rendering generated 2FA recovery codes
* Use `verify_2fa_input` component in verify 2FA view
* Do not render PA contact on self-hosted instances
* Improve flash message phrasing on generated recovery codes
* Add byline with a warning to disable 2FA modal
* Extract modal to component and move 2FA components to dedicated module
* First pass on loading state for "generate new codes"
* Adjust modal button logic
* Fix button in verify_2fa_input component
* Use button component in activate view
* Implement wait states for recovery code related actions properly
* Apply rate limiting to 2FA verification
* Log failed 2FA code input attempts
* Add ability to trust device and skip 2FA for 30 days
* Improve styling in dark mode
* Fix waiting state under Chrome and Safari
* Delete trust cookie when disabling 2FA
* Put 2FA behind a feature flag
* Extract 2FA cookie deletion
* ff fixup
* Improve session management during 2FA login
* Extract part of 2FA controller logic to a separate module and clean up a bit
* Clear 2FA user session when rate limit hit
* Add id to form in verify 2FA setup view
* Add controller tests for 2FA actions and login action
* Update CHANGELOG.md
* Use `full_build?()` instead of `@is_selfhost` removed after rebase
* Update `Auth.TOTP` moduledoc
* Add TOTP token management and make `TOTP.enable` more test-friendly
* Use TOTP token for device trust feature
* Use zero-deps `eqrcode` instead of deps-heavy `qr_code`
* Improve flash messages copy
Co-authored-by: hq1 <hq@mtod.org>
* Make one more copy improvement
Co-authored-by: hq1 <hq@mtod.org>
* Fix copy in remaining spots
* Change redirect after login to accept URLs from #3560 (h/t @aerosol)
* Add tests checking handling login_dest on login and 2FA verification
* Fix regression in email activation form submit button behavior
* Rename `PlausibleWeb.TwoFactor` -> `PlausibleWeb.TwoFactor.Session`
* Move `qr_code` component under `Components.TwoFactor`
* Set domain and secure options for new cookies
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Co-authored-by: hq1 <hq@mtod.org>
