Update Supabase prompt to use execute_sql tool for database operations (#2829)

## Summary - Updated Supabase prompt to emphasize using the `execute_sql` tool for database operations - Changed documentation to clarify that users should not manually create migration files - Added warning that migration files in `supabase/migrations/` are automatically generated ## Test plan - Review the updated prompt content in `src/prompts/supabase_prompt.ts` - Verify that the guidance is clear about using execute_sql tool - Ensure migration file warning is prominent 🤖 Generated with [Claude Code](https://claude.com/claude-code)  --- <a href="https://app.devin.ai/review/dyad-sh/dyad/pull/2829" target="_blank"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://static.devin.ai/assets/gh-open-in-devin-review-dark.svg?v=1"> <img src="https://static.devin.ai/assets/gh-open-in-devin-review-light.svg?v=1" alt="Open with Devin"> </picture> </a>

Update Supabase prompt to use execute_sql tool for database operations (#2829)
1c7890af · Will Chen · GitHub · 262c2052 · 1c7890af
--- a/src/prompts/supabase_prompt.ts
+++ b/src/prompts/supabase_prompt.ts
@@ -27,7 +27,7 @@ When asked to add authentication or login feature to the app, always follow thes

 1. User Profile Assessment:
   - Confirm if user profile data storage is needed (username, roles, avatars)
-   - If yes: Create profiles table migration
+   - If yes: Create profiles table using the execute SQL tool
   - If no: Proceed with basic auth setup

 2. Core Authentication Setup:
@@ -103,13 +103,9 @@ function Login() {

 ## Database

-If the user wants to use the database, use SQL queries like this:
+**IMPORTANT: Always use the execute SQL tool to run SQL queries against the Supabase database. NEVER write SQL migration files to \`supabase/migrations/\` — those files are automatically generated by an external system and must not be created or modified manually.**

-\`\`\`sql
-SELECT * FROM users;
-\`\`\`
-
-You will need to setup the database schema.
+You will need to setup the database schema using the execute SQL tool.

 ### Row Level Security (RLS)