From 85df378b6beeb985f1bf8256438d4eb04ba7373c Mon Sep 17 00:00:00 2001 From: Gustavo Henrique Santos Souza de Miranda Date: Thu, 22 Jan 2026 23:07:20 -0300 Subject: [PATCH] chore: mark US-039 as complete and update progress log Co-Authored-By: Claude Opus 4.5 --- prd.json | 2 +- progress.txt | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/prd.json b/prd.json index d8b6c36..fa18f0b 100644 --- a/prd.json +++ b/prd.json @@ -692,7 +692,7 @@ "Verify in browser using dev-browser skill" ], "priority": 39, - "passes": false, + "passes": true, "notes": "" } ] diff --git a/progress.txt b/progress.txt index d14762f..a62938e 100644 --- a/progress.txt +++ b/progress.txt @@ -24,6 +24,8 @@ - Register custom node types in nodeTypes object (memoized with useMemo) and pass to ReactFlow component - FlowchartEditor uses ReactFlowProvider wrapper + inner component pattern for useReactFlow() hook access - Use nanoid for generating unique node IDs (import from 'nanoid') +- Reusable LoadingSpinner component in `src/components/LoadingSpinner.tsx` with size ('sm'|'md'|'lg') and optional message +- Toast component supports an optional `action` prop: `{ label: string; onClick: () => void }` for retry/undo buttons --- @@ -567,3 +569,20 @@ - Navigation warning modal shows "Leave Page" (red) and "Stay" buttons for clear user action - "(unsaved changes)" indicator shown next to project name when isDirty is true --- + +## 2026-01-22 - US-039 +- What was implemented: Loading and error states with reusable spinner, error page, and toast retry +- Files changed: + - src/components/LoadingSpinner.tsx - new reusable loading spinner component with size variants and optional message + - src/app/editor/[projectId]/loading.tsx - updated to use LoadingSpinner component + - src/app/editor/[projectId]/page.tsx - replaced notFound() with custom error UI showing "Project Not Found" with back to dashboard link + - src/components/Toast.tsx - added optional action prop for action buttons (e.g., retry) + - src/app/editor/[projectId]/FlowchartEditor.tsx - updated toast state type to include action, save error now shows retry button via handleSaveRef pattern +- **Learnings for future iterations:** + - Use a ref (handleSaveRef) to break circular dependency when a useCallback needs to reference itself for retry logic + - Toast action prop uses `{ label: string; onClick: () => void }` for flexible action buttons + - Don't auto-dismiss toasts that have action buttons (users need time to click them) + - Replace `notFound()` with inline error UI when you need custom styling and navigation links + - LoadingSpinner uses size prop ('sm' | 'md' | 'lg') for flexibility across different contexts + - Link component from next/link is needed in server components for navigation (no useRouter in server components) +---