fusengine

Phase 1: Browse 4 catalog sites via Playwright, write CSS-precise observations (oklch values, font-size clamp, grid ratios, border-radius, shadows), declare reference site + 3 elements. Feed specs to Gemini context.

Use when designing internal linking strategy. Covers pillar/cluster architecture, anchor text optimization, link distribution, orphan page detection, click depth, broken link audit.

Use when user requests creative work - creating features, building components, adding functionality, or modifying behavior. Activates BEFORE APEX Analyze phase to refine requirements through structured questioning.

Use when integrating AI agents, tool calling, embeddings, structured output, or streaming in Laravel 13 via the `laravel/ai` package. Covers 14+ providers (OpenAI, Anthropic, Gemini, Azure, Groq, DeepSeek, Ollama, Mistral, xAI, Cohere, ElevenLabs, Jina, VoyageAI, OpenRouter).

TanStack Router - 100% type-safe routing, file-based routes, loaders, search params. Use when implementing routing in React apps (NOT Next.js).

Expert Astro UI framework integrations — @astrojs/react, @astrojs/vue, @astrojs/svelte, @astrojs/solid-js, @astrojs/preact, @astrojs/alpinejs, @astrojs/lit, @qwikdev/astro, @analogjs/astro-angular. Setup, multi-framework config, usage patterns.

Complete Eloquent ORM for Laravel 13 - PHP Attributes (#[Table], #[Fillable], #[Casts]), models, relationships, queries, observers, factories. Use when working with database models.

SOLID principles for Swift 6 and SwiftUI (iOS 26+). Files < 100 lines, protocols separated, @Observable, actors, Preview-driven development. Features Modular MANDATORY.

Integrate Stripe and Paddle payments with Laravel Cashier. Use when implementing subscriptions, invoices, payment methods, webhooks, or billing portals.

SOLID principles for C# 12/.NET 9. Files < 100 lines, interfaces separated, modular architecture. Contracts MANDATORY.

Use when analyzing a single page via /seo page. Covers meta extraction, schema validation, header hierarchy, content quality, and GEO readiness for one URL or local file.

Astro DB — defineDb, defineTable, column types, CRUD with db.select/insert/update/delete, db/config.ts, db/seed.ts, Turso for production, type-safety, integration with Astro Actions. Use for any database operation in an Astro project.