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Building Caresse

Behind the scenes of an AI-guided audio app

A series of technical articles published on Medium: .NET 10 architecture, LLM pipeline orchestration, integration testing without touching production.

Building Caresse #1 — Hexagonal Architecture

Hexagonal Architecture for a Multi-Provider AI Pipeline

Ports, adapters, and a real-world provider registry in .NET 10 that lets us swap LLM and TTS vendors without ever touching the domain.

Read on Medium
Building Caresse #2 — Orchestrating a Multi-Phase LLM Pipeline

Orchestrating a Multi-Phase LLM Pipeline

One user prompt, 8 sequential stages, a different model per stage, and a self-critique step that improves the output before it ever reaches TTS.

Read on Medium
Building Caresse #3 — Integration Testing a .NET API

Integration Testing a .NET API Without Touching Production

Testcontainers for PostgreSQL, Azurite for Azure Blob, a custom auth handler replacing Firebase, and WireMock.Net for RevenueCat, LLM providers and TTS — all wired into one xUnit suite that runs in CI with zero external dependencies.

Read on Medium