API: branchement init_api dans l'app Dash (#78)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app.py

@@ -51,6 +51,10 @@ cache.init_app(
     },
 )
 
+from src.api import init_api  # noqa: E402  # inline: src.db.conn must be ready first
+
+init_api(app.server)
+
 
 # robots.txt
 @app.server.route("/robots.txt")

tests/api/test_health.py

@@ -14,3 +14,11 @@ def test_health_returns_ok_without_auth():
     resp = app.test_client().get("/api/v1/health")
     assert resp.status_code == 200
     assert resp.get_json() == {"status": "ok"}
+
+
+def test_health_via_real_app():
+    """Vérifie que init_api est bien branché dans src.app."""
+    from src.app import app as dash_app
+
+    resp = dash_app.server.test_client().get("/api/v1/health")
+    assert resp.status_code == 200