Claude Opus 4.6: incorrect Elementor Accordion recommendations (Schema FAQ, HTML Tag)

Claude Opus 4.6 provides incorrect recommendations for basic Elementor Accordion widget settings when configuring a FAQ section:

1. Schema FAQ → recommended "disable/NO" — should be YES. Elementor Accordion has a built-in FAQPage schema generator. Recommending "disable" would result in no structured data being generated.
2. Title HTML Tag → recommended H3 — should match existing subpage configuration (H2 in this case). Claude guessed based on theoretical heading hierarchy instead of checking actual site configuration.

• These are standard, well-documented Elementor settings — not edge cases
• Claude presented both incorrect recommendations with full confidence, with no uncertainty signal
• The user (a non-developer site operator) had to correct Claude on basic tool knowledge
• If followed, the Schema=NO recommendation would have resulted in missing structured data (SEO impact)

Claude should either:

• Know standard Elementor Accordion settings correctly (Schema FAQ = YES for FAQ sections, HTML tag matching existing site config)
• Or signal uncertainty and check documentation before recommending
• Model: Claude Opus 4.6
• Tool: Claude Code CLI
• Context: WordPress + Elementor Pro, FAQ Homepage deployment
• Session utilization: ~27% (early in session, not a context overflow issue)

User trust is undermined when AI confidently provides incorrect basic recommendations that the user must then correct. This is especially problematic when the user relies on Claude as the domain expert for tools they don't know well themselves.