chore: Design Token Update (2026-08-15)

[github-actions]

This PR updates the design tokens from the quill-tokens repository. Automated PR created by the Design Token Sync workflow.

Summary by Sourcery

Refresh and expand component design tokens to align with the latest design system updates, including revised elevation definitions.

Enhancements:

• Add and standardize design tokens for multiple UI components (accordion, action sheet, badges, buttons, cards, chips, dropdowns, lists, navigation bar, notifications, progress bar, segmented control, section messages, stepper, tags, tooltip, etc.) across light and dark themes.
• Reorganize and consolidate text/icon and status-related tokens to use updated semantic color mappings.
• Update core elevation shadow token coreElevationShadow50 to a multi-shadow definition for consistency with other elevation tokens.

[sourcery-ai]

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[sourcery-ai]

Reviewer's Guide

This PR syncs design tokens with the upstream quill-tokens repository, refactoring component-level token mappings to new semantic/core tokens and adjusting elevation/shadow definitions to match the latest design system configuration.

File-Level Changes

Change	Details	Files
Component design tokens have been extensively updated to align with the latest quill-tokens semantic and core mappings.	Replaced existing text/icon status, normal/inverse, and static tokens with new semantic mappings while preserving light/dark variants. Introduced or updated tokens for many components (Accordion, ActionSheet, Badge, Breadcrumb, Button, Card, Chip, Dropdown, Field, Handle, List, Modal, NavigationBar, Notification, ProgressBar, SegmentedControl, SectionMessage, SelectionControl, Snackbar, Stepper, Tab, Tag, Tooltip, Toggle, etc.) to reference new spacing, sizing, color, elevation, and typography values. Reorganized component token groups (e.g., button label/icon/background, card spacing/elevation, list backgrounds/borders) to more granular per-state/per-size tokens.	lib/src/theme/design_tokens/component_design_tokens.dart
Core elevation shadow token coreElevationShadow50 is updated to represent a list of BoxShadows instead of a single transparent BoxShadow, matching the design spec.	Changed coreElevationShadow50 from a single BoxShadow(color: Colors.transparent) to a list containing two transparent BoxShadow entries with RGBO(0,0,0,0).	lib/src/theme/design_tokens/core_design_tokens.dart
Raw token JSON is refreshed from the upstream quill-tokens repository.	Updated tokens.json contents to the latest design token values from quill-tokens (colors, spacing, typography, elevation, etc.).	lib/src/theme/design_tokens/tokens.json

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