fix(extension): prevent host page from capturing keyboard input - #60
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Add event isolation to Shadow DOM to prevent sites like Claude.ai from intercepting keyboard events and focus changes intended for the extension. - Add delegatesFocus option for better focus handling - Stop focus events from propagating to host document - Stop keyboard events from propagating to host document Fixes #47
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Summary
Fixes keyboard input being captured by host pages (like Claude.ai) when using the Think extension.
Problem: When using the extension on Claude.ai, the cursor would appear in the Think input field, but keystrokes would go to Claude's chat input instead. This was because Claude.ai uses global keyboard event listeners that intercept keystrokes.
Solution: Add event isolation to the Shadow DOM to prevent focus and keyboard events from propagating to the host document.
Changes
delegatesFocus: trueoption to Shadow DOM for better focus handlingfocusin/focusout) from propagating to host documentkeydown/keyup/keypress) from propagating to host documentTest plan
Fixes #47