121 lines
6.5 KiB
Plaintext
121 lines
6.5 KiB
Plaintext
## Codebase Patterns
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- Project uses Next.js 16 with App Router, TypeScript, and TailwindCSS 4
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- Source files are in `src/` directory (app, components, lib, types)
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- Supabase is configured with @supabase/supabase-js and @supabase/ssr packages
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- Environment variables follow NEXT_PUBLIC_* convention for client-side access
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- Use `npm run typecheck` to run TypeScript type checking (tsc --noEmit)
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- Flowchart types exported from `src/types/flowchart.ts`
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- Supabase migrations go in `supabase/migrations/` with timestamp prefix (YYYYMMDDHHMMSS_*.sql)
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- Database has profiles table (linked to auth.users) and projects table (with flowchart_data JSONB)
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- RLS policies enforce user_id = auth.uid() for project access
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- Supabase client utilities in `src/lib/supabase/`: client.ts (browser), server.ts (App Router), middleware.ts (route protection)
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- Next.js middleware.ts at project root handles route protection using updateSession helper
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- Public auth routes: /login, /signup, /forgot-password, /reset-password
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- Protected routes: /dashboard, /editor/* (redirect to /login if unauthenticated)
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- Auth pages use 'use client' with useState, createClient() from lib/supabase/client.ts, and useRouter for redirects
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---
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## 2026-01-21 - US-001
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- What was implemented: Project scaffolding and configuration
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- Files changed:
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- package.json - project dependencies and scripts
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- tsconfig.json - TypeScript configuration
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- next.config.ts - Next.js configuration
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- postcss.config.mjs - PostCSS with TailwindCSS
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- eslint.config.mjs - ESLint configuration
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- .env.example - environment variables template
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- .gitignore - git ignore rules
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- src/app/ - Next.js App Router pages
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- src/components/.gitkeep - components directory placeholder
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- src/lib/.gitkeep - lib directory placeholder
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- src/types/.gitkeep - types directory placeholder
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- **Learnings for future iterations:**
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- Next.js 16 uses `@tailwindcss/postcss` for TailwindCSS 4 integration
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- Use --src-dir flag for create-next-app to put source in src/ folder
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- npm package names can't have capital letters (use lowercase)
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- .gitignore needs explicit exclusion for .env files, but include .env.example
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---
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## 2026-01-21 - US-002
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- What was implemented: TypeScript types for flowchart data structures
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- Files changed:
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- src/types/flowchart.ts - new file with all flowchart type definitions
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- package.json - added typecheck script (tsc --noEmit)
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- **Learnings for future iterations:**
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- Position is a helper type for {x, y} coordinates used by nodes
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- FlowchartNode is a union type of DialogueNode | ChoiceNode | VariableNode
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- ChoiceOption is a separate type to make options array cleaner
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- All types use `export type` for TypeScript isolatedModules compatibility
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---
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## 2026-01-21 - US-003
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- What was implemented: Supabase schema for users and projects
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- Files changed:
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- supabase/migrations/20260121000000_create_profiles_and_projects.sql - new file with all database schema
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- **Learnings for future iterations:**
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- Supabase migrations are plain SQL files in supabase/migrations/ directory
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- Migration filenames use timestamp prefix (YYYYMMDDHHMMSS_description.sql)
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- RLS policies need separate policies for SELECT, INSERT, UPDATE, DELETE operations
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- Admin check policy uses EXISTS subquery to check is_admin flag on profiles table
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- projects table references profiles.id (not auth.users.id directly) for proper FK relationships
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- flowchart_data column uses JSONB type with default empty structure
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- Added auto-update trigger for updated_at timestamp on projects table
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---
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## 2026-01-21 - US-004
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- What was implemented: Supabase client configuration utilities
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- Files changed:
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- src/lib/supabase/client.ts - browser client using createBrowserClient from @supabase/ssr
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- src/lib/supabase/server.ts - server client for App Router with async cookies() API
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- src/lib/supabase/middleware.ts - middleware helper with updateSession function
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- src/lib/.gitkeep - removed (no longer needed)
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- **Learnings for future iterations:**
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- @supabase/ssr package provides createBrowserClient and createServerClient functions
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- Server client requires async cookies() from next/headers in Next.js 16
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- Middleware client returns both user object and supabaseResponse for route protection
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- Cookie handling uses getAll/setAll pattern for proper session management
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- setAll in server.ts wrapped in try/catch to handle Server Component limitations
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---
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## 2026-01-21 - US-005
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- What was implemented: Protected routes middleware for authentication
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- Files changed:
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- middleware.ts - new file at project root for route protection
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- **Learnings for future iterations:**
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- Next.js middleware.ts must be at project root (not in src/)
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- updateSession helper from lib/supabase/middleware.ts returns { user, supabaseResponse }
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- Use startsWith() for route matching to handle nested routes (e.g., /editor/*)
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- Matcher config excludes static files and images to avoid unnecessary middleware calls
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- Clone nextUrl before modifying pathname for redirects
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---
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## 2026-01-21 - US-006
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- What was implemented: Login page with email/password authentication
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- Files changed:
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- src/app/login/page.tsx - new file with login form and Supabase auth
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- **Learnings for future iterations:**
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- Auth pages use 'use client' directive since they need useState and form handling
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- Use createClient() from lib/supabase/client.ts for browser-side auth operations
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- supabase.auth.signInWithPassword returns { error } object for handling failures
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- useRouter from next/navigation for programmatic redirects after auth
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- Error state displayed in red alert box with dark mode support
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- Loading state disables submit button and shows "Signing in..." text
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- TailwindCSS dark mode uses dark: prefix (e.g., dark:bg-zinc-950)
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---
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## 2026-01-21 - US-007
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- What was implemented: Sign up page for invite-only account setup
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- Files changed:
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- src/app/signup/page.tsx - new file with signup form and Supabase auth
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- **Learnings for future iterations:**
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- Supabase invite tokens come via URL hash fragment (window.location.hash)
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- Parse hash with URLSearchParams after removing leading '#'
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- Check for type=invite or type=signup to detect invite flow
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- Use setSession() with access_token and refresh_token to establish session from invite link
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- For invited users, update password with updateUser() then create profile with upsert()
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- Use upsert() instead of insert() for profiles to handle edge cases
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- Validate password confirmation before submission (passwords match check)
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- display_name defaults to email prefix (split('@')[0])
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---
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