feat(map): add coordinate zoom action

src/components/chat/hooks/useAgentToolActions.ts

@@ -148,6 +148,46 @@ const compactNames = (names: string[]) => {
     : names.join(", ");
 };
 
+const readFiniteNumber = (value: unknown): number | null => {
+  if (typeof value === "number" && Number.isFinite(value)) {
+    return value;
+  }
+  if (typeof value === "string" && value.trim()) {
+    const parsed = Number(value);
+    return Number.isFinite(parsed) ? parsed : null;
+  }
+  return null;
+};
+
+const parseZoomTo3857Action = (
+  params: Record<string, unknown>,
+): Extract<ChatToolAction, { type: "zoom_to_map" }> | null => {
+  const rawCoordinate = params.coordinate ?? params.coordinates ?? params.center;
+  const tuple = Array.isArray(rawCoordinate)
+    ? rawCoordinate
+    : [params.x ?? params.lon ?? params.longitude, params.y ?? params.lat ?? params.latitude];
+  const x = readFiniteNumber(tuple[0]);
+  const y = readFiniteNumber(tuple[1]);
+  if (x === null || y === null) {
+    return null;
+  }
+
+  const zoom = readFiniteNumber(params.zoom);
+  const durationMs = readFiniteNumber(params.duration_ms ?? params.durationMs);
+  const rawSourceCrs = params.source_crs ?? params.sourceCrs ?? params.crs;
+  const normalizedSourceCrs =
+    typeof rawSourceCrs === "string" ? rawSourceCrs.trim().toUpperCase() : "";
+  const sourceCrs =
+    normalizedSourceCrs === "EPSG:4326" ? "EPSG:4326" : "EPSG:3857";
+  return {
+    type: "zoom_to_map",
+    coordinate: [x, y],
+    sourceCrs,
+    zoom: zoom ?? undefined,
+    durationMs: durationMs ?? undefined,
+  };
+};
+
 const buildLocateArtifact = (
   tool: string,
   params: Record<string, unknown>,
@@ -190,6 +230,18 @@ const buildToolAction = (
     };
   }
 
+  if (tool === "zoom_to_map") {
+    const action = parseZoomTo3857Action(params);
+    return {
+      action,
+      kind: "map",
+      title: "缩放到地图坐标",
+      description: action
+        ? `${action.coordinate[0]}, ${action.coordinate[1]} (${action.sourceCrs})`
+        : "地图坐标",
+    };
+  }
+
   if (tool === "locate_features" || LOCATE_TOOL_CONFIG[tool]) {
     const locate = buildLocateArtifact(tool, params);
     return {