feat: add webhook case management

web/test/zone-state.test.js

@@ -5,6 +5,8 @@ import {
   TRASH_REGION_ID,
   alarmMinutesToSeconds,
   buildCalibrationPayload,
+  buildCaseDisplayModel,
+  buildManualHandlePayload,
   buildPolygonMap,
   buildRuntimeDisplayModel,
   classifyEvent,
@@ -628,3 +630,58 @@ test("buildRuntimeDisplayModel uses config threshold when event omits threshold"
     source: "real",
   }]);
 });
+
+test("buildCaseDisplayModel normalizes case rows and summary metrics", () => {
+  const model = buildCaseDisplayModel({
+    summary: {
+      open_case_count: 1,
+      handled_case_count: 2,
+      time_alarm_case_count: 1,
+      pending_disposal_case_count: 1,
+      warning_escalated_case_count: 1,
+    },
+    cases: [
+      {
+        case_id: "case_batch_000001",
+        case_type: "warning_escalated",
+        case_status: "open",
+        zone_label: "区域 1",
+        batch_id: "batch_000001",
+        updated_at: "2026-06-09T09:10:00+08:00",
+        handled_source: "",
+      },
+      {
+        case_id: "case_batch_000002",
+        case_type: "time_alarm",
+        case_status: "handled",
+        zone_label: "区域 2",
+        batch_id: "batch_000002",
+        updated_at: "2026-06-09T09:12:00+08:00",
+        handled_source: "manual",
+      },
+    ],
+  });
+
+  assert.deepEqual(model.metrics, {
+    openCaseCount: 1,
+    handledCaseCount: 2,
+    timeAlarmCaseCount: 1,
+    pendingDisposalCaseCount: 1,
+    warningEscalatedCaseCount: 1,
+  });
+  assert.equal(model.rows[0].caseId, "case_batch_000002");
+  assert.equal(model.rows[0].statusLabel, "已处理");
+  assert.equal(model.rows[0].tone, "good");
+  assert.equal(model.rows[1].typeLabel, "升级警告");
+  assert.equal(model.rows[1].statusLabel, "待处理");
+});
+
+test("buildManualHandlePayload trims handled_by and keeps optional note", () => {
+  assert.deepEqual(buildManualHandlePayload(" alice ", " checked "), {
+    handled_by: "alice",
+    note: "checked",
+  });
+  assert.deepEqual(buildManualHandlePayload("bob", ""), {
+    handled_by: "bob",
+  });
+});