feat(ios): comprehensive iPhone+iPad UX polish — refined-native design system
Freeze a shared design system (DesignSystem/{Tokens,Typography,StatusStyle,
Primitives}.swift): indigo #7C8CFF accent (root .tint), semantic status colors,
2-4-8-12-16-20-24 spacing + sm8/md12/lg16 radii scale, SF Mono tabular numbers,
reduce-motion-gated animations, haptics, reusable StatusBadge/TelemetryChip/Card/
SectionHeader/DSButtonStyle/ContinueLastBanner. Every changed view consumes tokens
— no hardcoded colors/spacing.
Applied across all surfaces (visual only — zero behavior/logic change, all suites
green): session list rows + status system (shape+color, not color-alone) +
telemetry chips + thumbnail placeholders; terminal gate card (≥44pt approve/reject)
+ keybar + reconnect + quick-reply + digest + SwiftTerm accent theme; pairing hero
+ warning tiers + Projects cards + Timeline/Diff; nav chrome + iPad split placeholder
+ privacy shade + motion. Chinese gate copy. UX finding fixed: timeline class colors
now via DS.Palette (+timelineTool/timelineUser tokens).
Design review 8.5/10. Verified: iPhone 16 290 + iPad Pro 11 290 tests green;
packages + integration green; consistency audit ~clean; zero changes under
ios/Packages, src/, public/.
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