fix(browser_utils): type via page.keyboard to survive NotebookLM re-r…#32
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…enders StealthUtils.human_type captures an ElementHandle once and types into it char-by-char. Against the current NotebookLM UI, the `textarea.query-box-input` is re-mounted by React on the first keystroke, which detaches the handle and raises: patchright._impl._errors.Error: ElementHandle.type: Element is not attached to the DOM Switching to `page.keyboard.type` (which targets the currently-focused element at the moment of each keystroke) survives the re-render without losing the human-like per-character delay and occasional pause. Repro: install the skill on a fresh env, auth, run ask_question.py against any notebook. The typing loop fails after 1 character. Tested locally (Windows 11, Chrome 131, patchright 1.55.2): fix lands the question intact and completes the full query-and-answer flow. The rest of the stealth loop (click-to-focus, per-char delay, random 5% micro-pause) is unchanged.
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Problem
StealthUtils.human_typestores anElementHandleand types into itchar-by-char. NotebookLM's React UI re-mounts
textarea.query-box-inputon the first keystroke, detaching the handle and raising:
Every query fails after 1 character.
Repro
Fresh install →
auth_manager.py setup→ask_question.py --question "test" --notebook-url "https://notebooklm.google.com/notebook/<any-uuid>"— crashesafter "⏳ Typing question...".
Fix
Switch the per-char loop from
element.type(...)topage.keyboard.type(...).page.keyboardtargets whatever element has focus at the moment of eachkeystroke, so it survives React re-renders. Human-cadence (delay + 5%
micro-pause) unchanged.
Testing
Windows 11, Chrome 131, patchright 1.55.2. Before: 100% failure. After: full
query-answer round-trip against a 19-source notebook completes in ~2min with
grounded, cited answer. Verified across 3 consecutive queries.