feat: expand companion platform, device controls, and memoir workflows

Add customer and operator login, BLE provisioning, device fleet controls, call memory, memoir generation, and refreshed family and maintenance portals. Include API contracts, migrations, firmware sources, tests, assets, and deployment documentation.

internal/httpapi/saas_write_handlers_integration_test.go

@@ -96,6 +96,17 @@ func TestSaaSHouseholdAndSubjectWriteHandlers(t *testing.T) {
 		t.Fatal(err)
 	}
 	subjectID = subjectResponse.Data.ID
+	initialConsents, err := service.ListConsents(context.Background(), principal, subjectID)
+	if err != nil || len(initialConsents) != 0 {
+		t.Fatalf("omitted consent selection granted permissions: %+v err=%v", initialConsents, err)
+	}
+	request = authenticatedRequest(http.MethodPost, "/api/v1/households/"+householdID+"/subjects", `{"preferred_name":"未确认授权","language":"zh-CN","timezone":"Asia/Shanghai","profile_data":{},"conversation_preferences":{},"initial_consents":{"types":["personalized_memory"],"confirmed":false}}`, principal)
+	request.SetPathValue("id", householdID)
+	recorder = httptest.NewRecorder()
+	CreateSubjectHandler(service).ServeHTTP(recorder, request)
+	if recorder.Code != http.StatusBadRequest {
+		t.Fatalf("unconfirmed selection status=%d body=%s", recorder.Code, recorder.Body.String())
+	}
 
 	request = authenticatedRequest(http.MethodPatch, "/api/v1/subjects/"+subjectID, `{"preferred_name":"HTTP集成长者-修改"}`, principal)
 	request.SetPathValue("id", subjectID)