feat: enhance scanner UI with tooltips, glossary, selection rationale

[rprabhat]

Summary

Adds reusable UI components for better scan result comprehension and user education.

Changes

• InfoTooltip — reusable info icon with hover/click tooltip, Escape/mousedown dismiss, accessible aria-label
• SelectionRationale — parses lineage into 5 visual progress bars (ADR, RS Momentum, EMA Alignment, Tightness, Volume Surge)
• GlossaryPanel — modal dialog with 10 glossary entries (Escape/click-outside close)
• Filtered stocks tracking — scanner store tracks stocks filtered out during scan loop with rejection reasons
• ResultsTable — tooltip icons on Score/ADR%/RS% column headers, Glossary button, collapsible filtered summary
• DetailPanel — tooltip icons on all 4 metric cards (ADR%, RS Momentum, Stop Loss, R:R Ratio) with SelectionRationale section

Tests

• 30/30 passing across 4 test files
• InfoTooltip: click show/hide, hover show/leave hide, Escape dismiss, aria-label
• SelectionRationale: header, 5 categories, progress bars, empty lineage, unknown keys
• GlossaryPanel: closed state, renders entries, close button, Escape, role=dialog

Closes #26

[vercel]

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Project	Deployment	Actions	Updated (UTC)
qullamaggie	Error		Jun 8, 2026 7:50am