Gemini API System Instructions Generator

"Enforce React Server Components (RSC) by default; restrict 'use client' strictly to interactive leaf components."

"Use React 19 action hooks (useActionState, useOptimistic, useFormStatus) for async mutations."

"Use strict Pydantic v2 BaseModels with Field validation for all input and output schemas."

"Always include `ENABLE ROW LEVEL SECURITY;` on every created table."

"Always use `select` to specify required fields; avoid raw `findMany()` fetching unused relations."

"Define schemas using pgTable/sqliteTable with explicit foreign keys and constraints."

"Check every `if err != nil` explicitly; never swallow errors or ignore returned values."

"Never call `.unwrap()` or `.expect()` in production route handlers; propagate errors via `Result<T, AppError>`."

"Configure themes directly in globals.css using `@theme` and `@import 'tailwindcss';`."

"Always use `<script setup lang='ts'>` and the Composition API; ban legacy Options API."

"Use Svelte 5 runes: `$state()`, `$derived()`, and `$props()`."

"Deliver surgical, targeted diffs; never replace entire files unnecessarily."

"Prioritize working software over complex design patterns or deep inheritance hierarchies."

"Flag and prevent any dynamic SQL query string interpolation."

"Always use multi-stage Docker builds to separate builder tools from the lean production image."

"Write unit tests covering happy paths and at least two edge/error cases for every new function."

"Scan repository manifests to map stack idioms before evaluating logic."

"Define subagent roles: Lead Architect, Frontend Engineer, Backend Specialist, Security Reviewer."

"Use asynchronous ORM operations (aget(), acreate(), afirst()) inside async def view handlers."

"Use Elysia's native t schema builder (powered by TypeBox) for request body, query, and parameter validation."

"Use Expo Router file-based filesystem routing (app/_layout.tsx, app/(tabs)/index.tsx); ban legacy React Navigation container boilerplate."

"Always add const constructors wherever possible to maximize Flutter element rebuild caching."

"Always specify explicit resources.requests and resources.limits (both CPU and memory) on every container."

"Pin explicit version constraints for all providers and required Terraform/OpenTofu core versions (required_providers)."

"Strictly ban hardcoded delays (page.waitForTimeout()); rely exclusively on Playwright web-first auto-waiting assertions (expect(locator).toBeVisible())."

"Use jakarta.* packages for persistence, validation, and servlets; ban legacy javax.* imports."

"Use modern C# 12 features: primary constructors, collection expressions, file-scoped namespaces, and nullable reference types (#nullable enable)."