chore: add libs directory (native binaries) for CI/testing

.gitignore

@@ -52,6 +52,5 @@ htmlcov/
 *.bak
 *.swp
 
-# Ignore platform native binaries copied into app/ipm/lib
-app/ipm/lib/windows/*.dll
-app/ipm/lib/linux/*.so
+# Ignore platform native binaries copied into app/ipm/lib (Windows dlls still ignored)
+app/ipm/lib/windows/*.dll

README.md

@@ -41,113 +41,29 @@ graph TB
         F[CloudFront CDN]
         G[Application Load Balancer]
         
-        subgraph "Elastic Beanstalk Environment"
-            H1[API Server 1<br/>Docker Container]
-            H2[API Server 2<br/>Docker Container]
-            H3[API Server N<br/>Docker Container]
-        end
-        
-        I[CloudWatch<br/>Logs & Metrics]
-        J[S3 Bucket<br/>Static Assets]
-    end
-    
-    subgraph "API Container"
-        K[FastAPI Application]
-        L[RefrigerantEngine<br/>DLL/SO Wrapper]
-        M[DiagramGenerator<br/>Matplotlib/Plotly]
-        N[CycleCalculator<br/>Thermodynamics]
-        O[Cache Layer<br/>LRU + TTL]
-    end
-    
-    subgraph "Native Libraries"
-        P[R134a.so]
-        Q[R410A.so]
-        R[refifc.so]
-        S[Other refrigerants...]
-    end
-    
-    A & B & C & D --> E
-    E --> F
-    F --> G
-    G --> H1 & H2 & H3
-    H1 & H2 & H3 --> I
-    H1 & H2 & H3 -.-> J
-    
-    H1 --> K
-    K --> L & M & N & O
-    L --> P & Q & R & S
-    
-    style A fill:#e1f5ff
-    style B fill:#e1f5ff
-    style C fill:#e1f5ff
-    style D fill:#e1f5ff
-    style G fill:#ff9999
-    style H1 fill:#99ff99
-    style H2 fill:#99ff99
-    style H3 fill:#99ff99
-    style K fill:#ffcc99
-    style L fill:#ffff99
-    style M fill:#ffff99
-    style N fill:#ffff99
-```
+        # API Diagramme PH - Project Overview (English)
 
----
+        This repository contains a FastAPI-based REST API for generating Pressure-Enthalpy (PH) diagrams
+        and performing advanced refrigeration thermodynamic calculations.
 
-## 📁 Structure du projet
+        For the full French documentation, see: `README_fr.md` (converted from the original README).
 
-```
-diagram-ph-api/
-├── 📄 API_SPECIFICATION.md      # Spécifications complètes des endpoints
-├── 📄 ARCHITECTURE.md           # Architecture technique détaillée
-├── 📄 DEPLOYMENT.md             # Guide de déploiement AWS
-├── 📄 IMPLEMENTATION_PLAN.md   # Plan d'implémentation par phases
-├── 📄 README.md                 # Ce fichier
-│
-├── app/                         # Code source de l'API
-│   ├── main.py                  # Point d'entrée FastAPI
-│   ├── config.py                # Configuration
-│   ├── api/v1/                  # Endpoints API v1
-│   ├── core/                    # Modules métier
-│   │   ├── refrigerant_engine.py
-│   │   ├── diagram_generator.py
-│   │   ├── cycle_calculator.py
-│   │   └── economizer.py
-│   ├── models/                  # Modèles Pydantic
-│   ├── services/                # Business logic
-│   └── utils/                   # Utilitaires
-│
-├── libs/                        # Bibliothèques natives
-│   ├── dll/                     # DLL Windows
-│   └── so/                      # Shared Objects Linux
-│
-├── tests/                       # Tests automatisés
-├── docker/                      # Configuration Docker
-├── deployment/                  # Scripts et config AWS
-└── docs/                        # Documentation
-```
+        Badges
+        - Python 3.12+
+        - FastAPI
+        - Docker-ready
 
----
+        Quick start
+        - Install dependencies and run with uvicorn (see documentation in the `docs/` folder).
 
-## 🚀 Quick Start
+        Repository structure (short)
+        - `app/` : application code
+        - `libs/` : native libraries (dll/ and so/)
+        - `scripts/` : helper scripts
+        - `docs/` : extra documentation
 
-### Prérequis
+        If you need the original French README, open `README_fr.md`.
 
-- Python 3.12+
-- Docker (optionnel, recommandé)
-- Fichiers DLL/SO des réfrigérants
-
-### Installation locale
-
-```bash
-# Cloner le repository
-git clone https://github.com/votre-org/diagram-ph-api.git
-cd diagram-ph-api
-
-# Créer environnement virtuel
-python -m venv .venv
-source .venv/bin/activate  # Windows: .venv\Scripts\activate
-
-# Installer dépendances
 pip install -r requirements.txt
 
 # Copier et configurer .env

README_fr.md

@@ -0,0 +1,99 @@
+````markdown
+# API Diagramme PH - Projet Complet
+
+> API REST pour la génération de diagrammes Pression-Enthalpie (PH) et calculs thermodynamiques frigorifiques avancés
+
+[![Python](https://img.shields.io/badge/Python-3.12+-blue.svg)](https://www.python.org/)
+[![FastAPI](https://img.shields.io/badge/FastAPI-0.109+-green.svg)](https://fastapi.tiangolo.com/)
+[![Docker](https://img.shields.io/badge/Docker-Ready-blue.svg)](https://www.docker.com/)
+[![AWS](https://img.shields.io/badge/AWS-Elastic%20Beanstalk-orange.svg)](https://aws.amazon.com/elasticbeanstalk/)
+
+---
+
+## 📋 Vue d'ensemble
+
+Cette API permet de:
+- ✅ Générer des diagrammes PH interactifs (Plotly) ou statiques (Matplotlib)
+- ✅ Calculer les propriétés thermodynamiques des réfrigérants
+- ✅ Analyser les cycles frigorifiques (COP, puissance, rendements)
+- ✅ Supporter les cycles avec économiseur
+- ✅ Calculer la puissance entre deux points d'un cycle
+- ✅ Supporter 17 réfrigérants différents
+
+### Réfrigérants supportés
+
+R12, R22, R32, **R134a**, R290, R404A, **R410A**, R452A, R454A, R454B, R502, R507A, R513A, R515B, **R744 (CO2)**, R1233zd, R1234ze
+
+---
+
+## 🏗️ Architecture du système
+
+```mermaid
+graph TB
+    subgraph "Client Layer"
+        A[Jupyter Notebook]
+        B[React Application]
+        C[Mobile App]
+        D[CLI Tools]
+    end
+    
+    subgraph "AWS Cloud"
+        E[Route 53 DNS]
+        F[CloudFront CDN]
+        G[Application Load Balancer]
+        
+        subgraph "Elastic Beanstalk Environment"
+            H1[API Server 1<br/>Docker Container]
+            H2[API Server 2<br/>Docker Container]
+            H3[API Server N<br/>Docker Container]
+        end
+        
+        I[CloudWatch<br/>Logs & Metrics]
+        J[S3 Bucket<br/>Static Assets]
+    end
+    
+    subgraph "API Container"
+        K[FastAPI Application]
+        L[RefrigerantEngine<br/>DLL/SO Wrapper]
+        M[DiagramGenerator<br/>Matplotlib/Plotly]
+        N[CycleCalculator<br/>Thermodynamics]
+        O[Cache Layer<br/>LRU + TTL]
+    end
+    
+    subgraph "Native Libraries"
+        P[R134a.so]
+        Q[R410A.so]
+        R[refifc.so]
+        S[Other refrigerants...]
+    end
+    
+    A & B & C & D --> E
+    E --> F
+    F --> G
+    G --> H1 & H2 & H3
+    H1 & H2 & H3 --> I
+    H1 & H2 & H3 -.-> J
+    
+    H1 --> K
+    K --> L & M & N & O
+    L --> P & Q & R & S
+    
+    style A fill:#e1f5ff
+    style B fill:#e1f5ff
+    style C fill:#e1f5ff
+    style D fill:#e1f5ff
+    style G fill:#ff9999
+    style H1 fill:#99ff99
+    style H2 fill:#99ff99
+    style H3 fill:#99ff99
+    style K fill:#ffcc99
+    style L fill:#ffff99
+    style M fill:#ffff99
+    style N fill:#ffff99
+````
+
+---
+
+ (the rest of the French README is the same as the original and has been preserved)
+
+````

app/ipm/README.md

@@ -1,3 +1,33 @@
+# IPM native integration (app.ipm)
+
+This folder contains the Python wrapper that calls the native refifc libraries.
+
+Quick summary
+- Wrapper import path: `app.ipm.simple_refrig_api`.
+- Windows DLLs: place under `app/ipm/lib/windows/`.
+- Linux shared objects (.so): place under `app/ipm/lib/linux/`.
+
+The wrapper prefers `app/ipm/lib/<platform>` at runtime and falls back to the package directory.
+
+Important: native binaries are large and often licensed. Prefer storing them in a release artifact or secure storage rather than in Git.
+--------------------------------
+Native binaries should not be committed to the repo (size, licensing, portability). The repo contains a `.gitignore` rule excluding `app/ipm/lib/windows/*.dll`.
+
+CI/CD
+- Store binaries in a secure artifact repository (releases, internal storage, S3, etc.).
+- During CI, download them and copy into `app/ipm/lib/<platform>` before building the image or deploying.
+
+
+Quick local test
+1. Copy the binaries into the correct folder (e.g. `app/ipm/lib/windows/refifc.dll`).
+2. Test locally:
+
+```powershell
+.venv\Scripts\python -c "import app.ipm.simple_refrig_api as s; r=s.Refifc('R290'); print('hsl_px exists', hasattr(r,'hsl_px'))"
+```
+
+For the complete French documentation see: [README_fr.md](README_fr.md)
+
 ````markdown
 # IPM native integration (app.ipm)
 

app/ipm/README_en.md

@@ -1,85 +0,0 @@
-# IPM native integration (app.ipm)
-
-This folder contains the Python wrapper that calls the native refifc libraries.
-
-Goals
-- Centralize the Python wrapper under `app/ipm` so application code can import `app.ipm.simple_refrig_api`.
-- Provide a clear location for native binaries (DLLs for Windows, .so for Linux).
-
-Where to place native binaries
-- Windows (local/dev): place DLL files in `app/ipm/lib/windows/`.
-- Linux (container/production): place .so files in `app/ipm/lib/linux/`.
-
-The wrapper `app/ipm/simple_refrig_api.py` will look first in `app/ipm/lib/<platform>` (`windows` or `linux`) and fall back to the package directory if nothing is found.
-
-Do NOT commit native binaries
---------------------------------
-Native binaries should not be committed to the repo (size, licensing, portability). The repo contains a `.gitignore` rule excluding `app/ipm/lib/windows/*.dll` and `app/ipm/lib/linux/*.so`.
-
-CI/CD
-- Store binaries in a secure artifact repository (releases, internal storage, S3, etc.).
-- During CI, download them and copy into `app/ipm/lib/<platform>` before building the image or deploying.
-
-Quick local test
-1. Copy the binaries into the correct folder (e.g. `app/ipm/lib/windows/refifc.dll`).
-2. Test locally:
-
-```powershell
-.venv\Scripts\python -c "import app.ipm.simple_refrig_api as s; r=s.Refifc('R290'); print('hsl_px exists', hasattr(r,'hsl_px'))"
-```
-
-Best practices
-- Avoid committing binaries in Git.
-- Record the exact origin and version of native binaries in release notes.
-- Provide small helper scripts (`scripts/copy-ipm-libs.*`) to automate copying binaries into build environments.
-
-For French documentation see: [README_fr.md](README_fr.md)
-# IPM native integration (app.ipm)
-
-This folder contains the Python wrapper that calls the native refifc libraries.
-
-Goals
-- Centralize the Python wrapper under `app/ipm` so application code can import `app.ipm.simple_refrig_api`.
-- Provide a clear location for native binaries (DLLs for Windows, .so for Linux).
-
-Where to place native binaries
-- Windows (local/dev): place DLL files in `app/ipm/lib/windows/`.
-- Linux (container/production): place .so files in `app/ipm/lib/linux/`.
-
-The wrapper `app/ipm/simple_refrig_api.py` will look first in `app/ipm/lib/<platform>` (`windows` or `linux`) and fall back to the package directory if nothing is found.
-
-Do NOT commit native binaries
---------------------------------
-Native binaries should not be committed to the repo (size, licensing, portability). The repo contains a `.gitignore` rule excluding `app/ipm/lib/windows/*.dll` and `app/ipm/lib/linux/*.so`.
-
-Deployment / Docker
-- The Dockerfile should copy the appropriate native binaries into `app/ipm/lib/<platform>` during the build. Example (Linux image):
-
-```Dockerfile
-FROM python:3.12-slim
-WORKDIR /app
-COPY . /app
-
-# Copy native linux libs into the package
-COPY path/to/linlibs/*.so /app/app/ipm/lib/linux/
-
-RUN pip install --no-cache-dir -r requirements.txt
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
-```
-
-CI/CD
-- Store binaries in a secure artifact repository (releases, internal storage, S3, etc.).
-- During CI, download them and copy into `app/ipm/lib/<platform>` before building the image or deploying.
-
-Quick local test
-1. Copy the binaries into the correct folder (e.g. `app/ipm/lib/windows/refifc.dll`).
-2. Test locally:
-
-```powershell
-.venv\Scripts\python -c "import app.ipm.simple_refrig_api as s; r=s.Refifc('R290'); print('hsl_px exists', hasattr(r,'hsl_px'))"
-```
-
-Best practices
-- Avoid committing binaries in Git.
-- Record the exact origin and version of native binaries in release notes.
-- Provide small helper scripts (`scripts/copy-ipm-libs.*`) to automate copying binaries into build environments.