docs: replace ASCII architecture diagram with Mermaid in roadmap

ROADMAP.md

@@ -159,49 +159,63 @@
 
 ## 📐 Architecture Actuelle
 
-```
+```mermaid
-┌─────────────────────────────────────────────────────────┐
+graph TB
-│                     FRONTEND (SPA)                       │
+    subgraph FRONTEND["🖥️ FRONTEND (SPA)"]
-│  Vanilla JS + Tailwind CSS + Chart.js + SortableJS      │
+        direction LR
-│  Canvas Gauges • Dark Mode • Mobile-First               │
+        FE_TECH["Vanilla JS · Tailwind CSS · Chart.js · SortableJS<br/>Canvas Gauges · Dark Mode · Mobile-First"]
-└─────────────────┬───────────────────────────────────────┘
+    end
-                  │ REST API (JWT)
+
-┌─────────────────▼───────────────────────────────────────┐
+    subgraph BACKEND["⚙️ BACKEND (FastAPI)"]
-│                   BACKEND (FastAPI)                      │
+        direction TB
-│                                                          │
+        subgraph ROUTES["Routes API"]
-│  ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌────────────┐ │
+            AUTH["🔐 Auth<br/>/api/auth"]
-│  │ Auth     │ │Challenges│ │ Health   │ │ Analytics  │ │
+            CHAL["🎯 Challenges<br/>/api/challenges"]
-│  │ /api/auth│ │/api/chal-│ │ /api/    │ │ /api/      │ │
+            HEALTH["❤️ Health<br/>/api/health*"]
-│  │          │ │ lenges   │ │ health*  │ │ analytics  │ │
+            ANALYTICS["📊 Analytics<br/>/api/analytics"]
-│  └──────────┘ └──────────┘ └──────────┘ └────────────┘ │
+            HC_API["📱 Health Connect<br/>/api/health-connect/sync-raw"]
-│  ┌──────────────────────────────────────────────────────┐│
+        end
-│  │              Health Connect API                       ││
+        subgraph SERVICES["Service Layer"]
-│  │  /api/health-connect/sync • /sync-raw • Raw Storage  ││
+            AUTH_SVC["AuthService"]
-│  └──────────────────────────────────────────────────────┘│
+            AGG_SVC["AggregationService"]
-│  ┌──────────────────────────────────────────────────────┐│
+            HP["HealthProvider"]
-│  │              Service Layer                            ││
+        end
-│  │  AuthService • AggregationService • HealthProvider   ││
+        ROUTES --> SERVICES
-│  └──────────────────────────────────────────────────────┘│
+    end
-└─────────────────┬───────────────────────────────────────┘
+
-                  │ SQLAlchemy ORM
+    subgraph DB["🗄️ DATABASE (PostgreSQL / SQLite)"]
-┌─────────────────▼───────────────────────────────────────┐
+        direction LR
-│              DATABASE (PostgreSQL / SQLite)              │
+        subgraph CORE["6 Core Tables"]
-│                                                          │
+            CORE_T["users · challenges · tracking<br/>daily_health_metrics<br/>daily_context · workout_sessions"]
-│  6 Core Tables  │  3 HC Aggregated  │  15 HC Raw Tables │
+        end
-│  users          │  sync_logs        │  hc_raw_steps     │
+        subgraph HC_AGG["3 HC Aggregated"]
-│  challenges     │  daily_metrics    │  hc_raw_heart_*   │
+            HC_T["sync_logs · daily_metrics<br/>exercise_sessions"]
-│  tracking       │  exercise_sessions│  hc_raw_sleep_*   │
+        end
-│  daily_health_* │                   │  hc_raw_spo2...   │
+        subgraph HC_RAW["15 HC Raw Tables"]
-│  daily_context  │                   │  (15 total)       │
+            RAW_T["hc_raw_steps · heart_rate · sleep_*<br/>spo2 · weight · calories · distance<br/>exercise · nutrition · hydration · hrv"]
-│  workout_sess.  │                   │                   │
+        end
-└─────────────────┬───────────────────────────────────────┘
+    end
-                  │
+
-┌─────────────────▼───────────────────────────────────────┐
+    subgraph ANDROID["📱 ANDROID COMPANION"]
-│              ANDROID COMPANION APP                       │
+        ANDROID_TECH["Kotlin · Retrofit · Health Connect SDK<br/>Auto-sync · Sync History · Connection Test"]
-│  Health Connect API → Raw Records → POST /sync-raw      │
+    end
-│  Kotlin • Retrofit • Jetpack • Health Connect SDK       │
+
-│  Auto-sync • Sync History • Connection Test             │
+    FRONTEND -->|"REST API (JWT)"| BACKEND
-└─────────────────────────────────────────────────────────┘
+    BACKEND -->|"SQLAlchemy ORM"| DB
+    ANDROID -->|"POST /sync-raw"| HC_API
+    ANDROID -.->|"Health Connect API"| HC["🏥 Android Health Connect"]
+    HC -->|"Raw Records"| ANDROID
+
+    style FRONTEND fill:#1e293b,stroke:#38bdf8,color:#e2e8f0
+    style BACKEND fill:#1e293b,stroke:#10b981,color:#e2e8f0
+    style DB fill:#1e293b,stroke:#f59e0b,color:#e2e8f0
+    style ANDROID fill:#1e293b,stroke:#a78bfa,color:#e2e8f0
+    style HC fill:#1e293b,stroke:#ef4444,color:#e2e8f0
+    style ROUTES fill:#0f172a,color:#e2e8f0
+    style SERVICES fill:#0f172a,color:#e2e8f0
+    style CORE fill:#0f172a,color:#e2e8f0
+    style HC_AGG fill:#0f172a,color:#e2e8f0
+    style HC_RAW fill:#0f172a,color:#e2e8f0
 ```
 
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