[Domain] Add fire and smoke scenario hazards

docs/product/위험 정의.md

@@ -116,6 +116,8 @@ Pathfinder 2026.1 공식 문서를 다시 확인한 결과, 현재 제품 기능
 
 기본 `시야/친숙도/유도 신호` 입력과 결과 비교는 `1차 확장` 범위로 보고, `FED/FDS` 같은 환경 연동은 `중기 확장`으로 둔다.
 
+시나리오 작성 단계의 화재/연기 hazard는 v1에서 위치, 구역, 시간대, 심각도를 기록하는 authoring 입력이다. 이는 비상 조건을 비교하기 위한 시나리오 요소이며, 연기 농도, 화재 확산, FED, FDS 연동을 계산하는 물리 모델은 아니다.
+
 ### 1.3. 근접도 및 압박 전조
 
 ### 정의

src/application/ProjectPersistence.cpp

@@ -720,20 +720,108 @@ safecrowd::domain::PopulationSpec populationFromJson(const QJsonObject& object)
     return population;
 }
 
+QString hazardKindToJson(safecrowd::domain::EnvironmentHazardKind kind) {
+    switch (kind) {
+    case safecrowd::domain::EnvironmentHazardKind::Smoke:
+        return "Smoke";
+    case safecrowd::domain::EnvironmentHazardKind::Fire:
+    default:
+        return "Fire";
+    }
+}
+
+safecrowd::domain::EnvironmentHazardKind hazardKindFromJson(const QJsonValue& value) {
+    if (value.isDouble()) {
+        return static_cast<safecrowd::domain::EnvironmentHazardKind>(value.toInt());
+    }
+
+    const auto raw = value.toString().toLower();
+    if (raw == "smoke") {
+        return safecrowd::domain::EnvironmentHazardKind::Smoke;
+    }
+    return safecrowd::domain::EnvironmentHazardKind::Fire;
+}
+
+QString severityToJson(safecrowd::domain::ScenarioElementSeverity severity) {
+    switch (severity) {
+    case safecrowd::domain::ScenarioElementSeverity::Low:
+        return "Low";
+    case safecrowd::domain::ScenarioElementSeverity::High:
+        return "High";
+    case safecrowd::domain::ScenarioElementSeverity::Medium:
+    default:
+        return "Medium";
+    }
+}
+
+safecrowd::domain::ScenarioElementSeverity severityFromJson(const QJsonValue& value) {
+    if (value.isDouble()) {
+        return static_cast<safecrowd::domain::ScenarioElementSeverity>(value.toInt());
+    }
+
+    const auto raw = value.toString().toLower();
+    if (raw == "low") {
+        return safecrowd::domain::ScenarioElementSeverity::Low;
+    }
+    if (raw == "high") {
+        return safecrowd::domain::ScenarioElementSeverity::High;
+    }
+    return safecrowd::domain::ScenarioElementSeverity::Medium;
+}
+
+QJsonObject hazardToJson(const safecrowd::domain::EnvironmentHazardDraft& hazard) {
+    QJsonObject object;
+    object["id"] = QString::fromStdString(hazard.id);
+    object["kind"] = hazardKindToJson(hazard.kind);
+    object["name"] = QString::fromStdString(hazard.name);
+    object["affectedZoneId"] = QString::fromStdString(hazard.affectedZoneId);
+    object["floorId"] = QString::fromStdString(hazard.floorId);
+    object["position"] = pointArray(hazard.position);
+    object["startSeconds"] = hazard.startSeconds;
+    object["endSeconds"] = hazard.endSeconds;
+    object["severity"] = severityToJson(hazard.severity);
+    object["note"] = QString::fromStdString(hazard.note);
+    return object;
+}
+
+safecrowd::domain::EnvironmentHazardDraft hazardFromJson(const QJsonObject& object) {
+    return {
+        .id = object.value("id").toString().toStdString(),
+        .kind = hazardKindFromJson(object.value("kind")),
+        .name = object.value("name").toString().toStdString(),
+        .affectedZoneId = object.value("affectedZoneId").toString().toStdString(),
+        .floorId = object.value("floorId").toString().toStdString(),
+        .position = pointFromJson(object.value("position")),
+        .startSeconds = object.value("startSeconds").toDouble(0.0),
+        .endSeconds = object.value("endSeconds").toDouble(0.0),
+        .severity = severityFromJson(object.value("severity")),
+        .note = object.value("note").toString().toStdString(),
+    };
+}
+
 QJsonObject environmentToJson(const safecrowd::domain::EnvironmentState& environment) {
     QJsonObject object;
     object["reducedVisibility"] = environment.reducedVisibility;
     object["familiarityProfile"] = QString::fromStdString(environment.familiarityProfile);
     object["guidanceProfile"] = QString::fromStdString(environment.guidanceProfile);
+    QJsonArray hazards;
+    for (const auto& hazard : environment.hazards) {
+        hazards.append(hazardToJson(hazard));
+    }
+    object["hazards"] = hazards;
     return object;
 }
 
 safecrowd::domain::EnvironmentState environmentFromJson(const QJsonObject& object) {
-    return {
+    safecrowd::domain::EnvironmentState environment{
         .reducedVisibility = object.value("reducedVisibility").toBool(false),
         .familiarityProfile = object.value("familiarityProfile").toString().toStdString(),
         .guidanceProfile = object.value("guidanceProfile").toString().toStdString(),
     };
+    for (const auto& value : object.value("hazards").toArray()) {
+        environment.hazards.push_back(hazardFromJson(value.toObject()));
+    }
+    return environment;
 }
 
 QJsonObject eventToJson(const safecrowd::domain::OperationalEventDraft& event) {