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specs/001-unify-frontend-style/quickstart.md

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+# Quickstart: Frontend Style Unification
+
+## Purpose
+
+Validate that frontend style unification is implemented consistently across targeted routes without functional regressions.
+
+## Preconditions
+
+- Feature branch: `001-unify-frontend-style`
+- Frontend dependencies installed
+- Application starts successfully in local environment
+- Target routes available: dashboards, tasks, reports, settings
+
+## Validation Flow
+
+### 1) User Story 1 — Consistent Visual Foundation (P1)
+
+1. Open each target route: dashboards, tasks, reports, settings.
+2. Compare visual primitives:
+   - typography hierarchy
+   - spacing rhythm
+   - card/container style
+   - button variant consistency
+3. Confirm no route has conflicting visual language for shared primitives.
+
+**Expected Result**: Shared visual baseline appears coherent across all targeted routes.
+
+---
+
+### 2) User Story 2 — Unified Navigation and Page Shells (P2)
+
+1. Navigate through at least three top-level routes.
+2. Verify shell consistency:
+   - page title placement
+   - context/breadcrumb area behavior
+   - primary/secondary action region location
+   - content container alignment
+3. Confirm transitions do not break orientation cues.
+
+**Expected Result**: Page shell pattern is consistent and predictable across routes.
+
+---
+
+### 3) User Story 3 — Predictable Feedback and States (P3)
+
+1. Trigger loading state on at least two routes.
+2. Trigger empty state and error state where possible.
+3. Trigger one success feedback event (save/update/apply action).
+4. Compare message tone, placement, and recovery actions.
+
+**Expected Result**: Loading/empty/error/success feedback follows one canonical pattern.
+
+---
+
+## Regression Safety Checks
+
+1. Execute core functional flows on dashboards/tasks/reports/settings.
+2. Confirm style unification did not remove or alter business-critical actions.
+3. Confirm focus visibility and readability remain acceptable on updated UI areas.
+
+**Expected Result**: No critical user flow regression and no accessibility degradation.
+
+---
+
+## Conformance Checklist Snapshot
+
+- [ ] Shared primitives aligned in targeted scope
+- [ ] Page shell contract honored
+- [ ] State feedback contract honored
+- [ ] Terminology/tone consistency preserved
+- [ ] i18n-compatible user-facing text
+- [ ] No critical flow regressions