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## What kind of change does this PR introduce? Feature + docs. Closes [DEPR-604](https://linear.app/supabase/issue/DEPR-604/define-connect-logo-asset-and-variant-contract). ## What is the current behavior? `/authorize` logo resolution trusted self-asserted requester `name` (and similar) for curated MCP marks, fell back to a letter tile when there was no usable icon, and always used theme-reactive tile chrome. This includes the scenario when pairing against unclassified uploaded OAuth app bitmaps. ## What is the new behavior? - [Documents the Connect logo asset/variant contract](https://design-system-git-danny-depr-604-connect-logo-contract-supabase.vercel.app/design-system/docs/ui-patterns/connect-interstitials#logos) (default to light, keep pairs matched, no theme-recolour of vendor SVGs). - Resolves curated partner logos from allowlisted `redirect_uri` hosts only (`claude.ai` / `anthropic.com`, `cursor.com` / `cursor.sh`, `chatgpt.com` / `openai.com`, `perplexity.ai`). - Unknown / missing / failed requester icons show `SupabaseLogo` alone (no letter tile). - Uploaded organisation OAuth app icons (unclassified bitmaps) pair with fixed light tile chrome (`border-black/10 bg-white` / `SupabaseLogo forceLight`) on both sides across Studio themes. - Curated partners keep theme-reactive tiles and may use dark assets when available. ### To test Real MCP clients (Claude, Cursor, etc.) only send users to **production** `/authorize`, so you cannot drive a local or preview Studio build from those tools. Use a Network override instead: 1. Start Studio and sign in (`pnpm dev:studio`, or use the Vercel preview once available). 2. Open `/dashboard/authorize?auth_id=foo` (any `auth_id` is fine — the real response may 404). 3. DevTools → **Network** → find `GET …/platform/oauth/authorizations/foo` (or whatever id you used). 4. Right-click → **Override content** (enable Local Overrides / pick a folder if prompted). 5. Paste one of the payloads below (status **200**), save, then reload the authorize page. 6. Keep `expires_at` in the future so the request does not look expired. The fields that matter for this PR are `name`, `icon`, and `redirect_uri`. #### Curated pair (allowlisted redirect) Expect Cursor mark + Supabase pair. Toggle light/dark: curated dark assets may swap; tiles stay theme-reactive (`bg-surface-75`). ```json { "name": "Cursor", "website": "https://cursor.com", "icon": null, "domain": "cursor.com", "redirect_uri": "https://cursor.com/callback", "expires_at": "2099-01-01T00:00:00.000Z", "scopes": ["organizations:read", "projects:read"], "approved_at": null, "registration_type": "dynamic" } ``` #### Unknown → Supabase alone Expect Supabase bolt alone. No letter tile. No curated mark even if `name` says Claude. ```json { "name": "Acme", "website": "https://acme.example", "icon": null, "domain": "acme.example", "redirect_uri": "https://acme.example/callback", "expires_at": "2099-01-01T00:00:00.000Z", "scopes": ["organizations:read", "projects:read"], "approved_at": null, "registration_type": "dynamic" } ``` #### Spoofed trusted name, non-allowlisted redirect (logo only) Expect Supabase alone (no Claude mark). This PR does **not** show the impersonation caution (that is coming in #48162). ```json { "name": "Claude", "website": "https://claude.ai", "icon": null, "domain": "claude.ai", "redirect_uri": "https://evil.com/callback", "expires_at": "2099-01-01T00:00:00.000Z", "scopes": ["organizations:read", "projects:read"], "approved_at": null, "registration_type": "dynamic" } ``` #### Uploaded OAuth app icon → forced-light pair Expect remote icon + Supabase pair with forced-light tiles (`border-black/10 bg-white`) on both sides in light and dark Studio themes. The icon URL below is the checked-in solid-colour Acme bitmap on this branch. ```json { "name": "Acme", "website": "https://acme.example", "icon": "https://raw.githubusercontent.com/supabase/supabase/danny/depr-604-connect-logo-contract/apps/design-system/public/img/icons/acme-oauth-icon.png", "domain": "acme.example", "redirect_uri": "https://acme.example/callback", "expires_at": "2099-01-01T00:00:00.000Z", "scopes": ["organizations:read", "projects:read"], "approved_at": null, "registration_type": "static" } ``` <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Improved authorization interstitial branding with trusted requester logos and safer fallback behavior. * Added support for consistent light-theme treatment of uploaded OAuth app icons. * Added examples and documentation for unknown requesters, uploaded logos, and wrong-account states. * **Bug Fixes** * Prevented unverified or unavailable requester icons from being presented as trusted. * Ensured logo pairing remains visually consistent across light and dark themes. * **Tests** * Added coverage for trusted-host validation, fallback branding, icon loading failures, and theme behavior. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Joshen Lim <joshenlimek@gmail.com>