Polish up Passkey interface

- Fix indentation
- Split awkward initializer into separate methods
- Rename credentials to passkeys
- Simplify authenticator registry loading
- Flatten nested errors under ActionPack::WebAuthn
- Set passkey current params only requests that use it
- Inline anemic methods
- Replace custom validation with ActiveModel::Validation
- Rename identity to holder in Passkey
- Rename credentials to passkeys in JS
- Extract framework library out of controllers
- Pass params hashes down to ActionPack
- Attempt to simplify public interface
- Push data decoding down to the classes representing the data
- Introduce has_passkeys
- Add CBOR bigint support
- Rename ActionPack::WebAuthn::Passkey to ActionPack::Passkey
- Add create_passkey_button helper
- Rename public-key to creation-options
- Add sign_in_with_passkey_button helper
- Dispatch events for the whole Passkey lifecycle
- Add ED25519 support
- Prevent crash on missing meta tag
- Validate resident key options
- Don't clobber existing ActionPack config options
- Validate cryptographic params
- Move CurrentWebAuthnRequest into ActionPack::Passkey
- Use ActiveModel::Attributes for Options objects
- Implement expiring challanges
- Add lifecycle events
- Extract param helpers into Request
- Add passkey_creation_options and passkey_request_options helpers
- Add create_passkey_challenge to make it easier to override the create method if needed
- Prefix all view helpers with passkey_
- Auto-include ActionPack::Passkey::Holder
- Make the passkey challange url configurable
- Add a reminder about Passkeys to the magic link email

app/controllers/my/passkeys_controller.rb

@@ -0,0 +1,34 @@
+class My::PasskeysController < ApplicationController
+  include ActionPack::Passkey::Request
+
+  before_action :set_passkey, only: %i[ edit update destroy ]
+
+  def index
+    @passkeys = Current.identity.passkeys.order(name: :asc, created_at: :desc)
+    @creation_options = passkey_creation_options(holder: Current.identity)
+  end
+
+  def create
+    passkey = Current.identity.passkeys.register(passkey_creation_params)
+
+    redirect_to edit_my_passkey_path(passkey, created: true)
+  end
+
+  def edit
+  end
+
+  def update
+    @passkey.update!(params.expect(passkey: [ :name ]))
+    redirect_to my_passkeys_path
+  end
+
+  def destroy
+    @passkey.destroy!
+    redirect_to my_passkeys_path
+  end
+
+  private
+    def set_passkey
+      @passkey = Current.identity.passkeys.find(params[:id])
+    end
+end