v0.1.5 - V4.2 Specification Implementation

V4.2 Specification Requirements

Responsive Infrastructure

• useBreakpoint.ts: Vue 3 composable for responsive breakpoint detection
• EChartsWrapper fix: Memory leak fix with ResizeObserver + 150ms debounce

Mobile UX Components

• BottomSheet.vue: Mobile drawer with touch gestures, snap points, WCAG 44px touch targets

Quantitative Metrics

• new_high_ratio_1y: Within-1Y New High Ratio (招行特色指标)
• manager_honors: Fund manager awards tracking (金牛奖, 明星基金奖, 招行五星)

Style Visualization

• StyleBox.vue: 3x3 investment style box (Morningstar-style)
• Large/Mid/Small Cap × Value/Blend/Growth grid

Tests

• 6 new tests for new_high_ratio (100% pass rate)

Files Changed

• 12 files
• 1076+ insertions