feat: émettrice SSO draco_session — cookie partagé .dracodev.net, renouvellement et révocation (#216)

backend/main.py

@@ -493,6 +493,12 @@ from backend.auth.scope import TokenScopeMiddleware
 
 app.add_middleware(TokenScopeMiddleware)
 
+# Fusion ACC-3.1 (#216) : renouvellement glissant du cookie SSO
+# draco_session (inerte tant que DRACO_SESSION_SECRET n'est pas défini).
+from backend.draco_session import DracoRenewalMiddleware
+
+app.add_middleware(DracoRenewalMiddleware)
+
 # Explicit same-origin CORS policy (#87 T8 — finit BUG-034).
 # `allow_origins=[]` : le navigateur n'émet aucun `Access-Control-Allow-*`,
 # donc toute lecture cross-origin est refusée (défense explicite, plus
@@ -534,6 +540,7 @@ from backend.routers.realtime import router as realtime_router
 from backend.routers.scheduler import router as scheduler_router
 from backend.routers.search import router as search_router
 from backend.routers.sharing import router as sharing_router
+from backend.routers.sso import router as sso_router
 from backend.routers.vaults import router as vaults_router
 from backend.routers.webhooks import router as webhooks_router
 from backend.skills_routes import router as skills_router
@@ -545,6 +552,7 @@ app.include_router(skills_router)
 app.include_router(health_router)  # ROADMAP #85 T1 — System / health
 app.include_router(history_router)  # ROADMAP #85 T8 — History
 app.include_router(external_refs_router)  # Fusion #215 — Références croisées (ACC-1.3)
+app.include_router(sso_router)  # Fusion #216 — Émettrice SSO draco_session (ACC-3.1)
 app.include_router(realtime_router)  # ROADMAP #85 T9 — SSE + collab WS
 app.include_router(search_router)  # ROADMAP #85 T5 — Search
 app.include_router(backups_router)  # ROADMAP #85 T4 — Backups