chore:新增火灾/抽烟/徘徊/车辆/打架五类预警规则yaml

apps/server/config/rules/fight.yaml

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+# 打架检测预警规则 (MVP-1)
+rules:
+  - name: fight_high
+    event_type: fight
+    enabled: true
+    min_confidence: 0.55
+    severity: high
+    min_bbox_area: 800
+    description: 检测到打架/暴力行为，触发高级预警
+
+  - name: fight_critical_continuous
+    event_type: fight
+    enabled: true
+    min_confidence: 0.75
+    severity: critical
+    min_bbox_area: 1200
+    description: 检测到高置信度打架行为，立即触发最高级别预警

apps/server/config/rules/fire.yaml

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+# 火灾预警规则 (MVP-1)
+# 命中后会被规则引擎升级为 AlertEvent
+rules:
+  - name: fire_critical
+    event_type: fire
+    enabled: true
+    min_confidence: 0.6
+    severity: critical
+    min_bbox_area: 400
+    description: 检测到火焰，立即触发最高级别预警
+
+  - name: smoke_high
+    event_type: smoke
+    enabled: true
+    min_confidence: 0.55
+    severity: high
+    min_bbox_area: 600
+    description: 检测到烟雾，可能伴随火情，触发高级预警

apps/server/config/rules/loitering.yaml

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+# 徘徊/静止行为预警规则 (MVP-1)
+rules:
+  - name: loitering_medium
+    event_type: loitering
+    enabled: true
+    min_confidence: 0.5
+    severity: medium
+    description: 检测到人员徘徊行为
+
+  - name: stationary_low
+    event_type: stationary
+    enabled: true
+    min_confidence: 0.5
+    severity: low
+    description: 检测到人员长时间静止

apps/server/config/rules/smoking.yaml

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+# 抽烟检测预警规则 (MVP-1)
+rules:
+  - name: smoking_medium
+    event_type: smoking
+    enabled: true
+    min_confidence: 0.5
+    severity: medium
+    min_bbox_area: 200
+    description: 检测到抽烟行为

apps/server/config/rules/vehicle.yaml

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+# 车辆违停检测预警规则 (MVP-1)
+rules:
+  - name: illegal_parking_medium
+    event_type: illegal_parking
+    enabled: true
+    min_confidence: 0.5
+    severity: medium
+    min_bbox_area: 1200
+    description: 检测到车辆违停行为