MCP Apps: interactive Vega-Lite chart widget#133

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nicosuave wants to merge 10 commits intomainfrom

Commits on Mar 31, 2026

MCP Apps interactive Vega-Lite charts with CSP-safe rendering
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Chart widget: render inline with expand bar for fullscreen
nicosuave
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Polish chart widget: expand icon, fullscreen sizing, padding
nicosuave
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Dispose old chart observer and view before re-rendering
nicosuave
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Guard against stale renders and clean up chart on non-chart content
nicosuave
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Invalidate in-flight embeds on tool input, clear stale spec on error
nicosuave
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Clear cached spec on new tool input to prevent stale chart resurrection
nicosuave
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Add interactive metrics explorer as MCP App
nicosuave
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Add start_date/end_date params to explore_metrics for time filtering
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Commits on Apr 14, 2026

Explorer: lazy loading, per-item queries, and metric series fixes
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