[Web][W2.2] Build accessible list, table, detail, and data-panel patterns

Objective

Provide reusable data-display composites for generated administration, analytics and state inspection.

Scope

List, responsive table, detail/property panel, toolbar, filtering/sorting affordances, pagination controls, selection and bulk-action presentation, empty/loading/error/partial states. Data fetching and authorization remain outside presentation components.

Acceptance criteria

• Table/list semantics, headers, captions, keyboard navigation and selection announcements are correct.
• Narrow viewports have an explicit responsive representation without hiding required data silently.
• Large datasets use pagination/windowing without breaking focus or assistive technology.
• Sensitive/redacted values have a distinct non-revealing representation.
• Gallery, interaction, accessibility and screenshot evidence passes human review.

Parent: #8

Required visual evidence

The draft PR must provide a runnable component-gallery route plus before/after screenshots at 390×844, 768×1024, and 1440×900. Cover light, dark, high-contrast, default, hover, focus-visible, disabled, loading, empty, error, and overflow states applicable to the component. Playwright must exercise keyboard interaction and capture deterministic screenshots. A reviewer other than the implementing agent must approve intentional baseline changes; screenshot generation or a passing pixel threshold is not visual approval.

Tembo execution contract

automation:
  eligible: true
  executor_profile: tembo
  readiness: blocked
  primary_repository: TinyChain-Inc/client
  base_branch: main
  writable_scope:
    - web/src/ui/data/**
    - web/src/ui/gallery/**
    - web/tests/**
  prerequisites:
    - "#77"
    - "#78"
  concurrency_group: ui-composites-data
  required_commands:
    - "cd web && npm ci"
    - "cd web && npm run test:all"
  external_actions: none
  draft_pr_only: true
  completion_authority: human
  visual_validation:
    required: true
    browsers: [chromium]
    viewports: [mobile, tablet, desktop]
    evidence: [component-gallery-url, screenshot-bundle, playwright-report]
    baseline_update_requires: human-visual-approval
    failure_policy: never-auto-accept-diff
  budget:
    size: large
    max_revisions: 3
    max_wall_minutes: 120

Start by checking prerequisites #77 and #78, then inspect web/src/ui/data/, web/src/ui/gallery/, and web/tests/**. Run cd web && npm ci followed by npm run test:all, and use the gallery route and Playwright evidence to verify keyboard behavior, responsive states, accessibility, and required screenshots before human visual approval.