chore: import upstream snapshot with attribution

apps/sim/tools/google_maps/speed_limits.ts

@@ -0,0 +1,151 @@
+import type {
+  GoogleMapsSpeedLimitsParams,
+  GoogleMapsSpeedLimitsResponse,
+} from '@/tools/google_maps/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const googleMapsSpeedLimitsTool: ToolConfig<
+  GoogleMapsSpeedLimitsParams,
+  GoogleMapsSpeedLimitsResponse
+> = {
+  id: 'google_maps_speed_limits',
+  name: 'Google Maps Speed Limits',
+  description: 'Get speed limits for road segments. Requires either path coordinates or placeIds.',
+  version: '1.0.0',
+
+  params: {
+    apiKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Google Maps API key with Roads API enabled',
+    },
+    path: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Pipe-separated list of lat,lng coordinates (required if placeIds not provided)',
+    },
+    placeIds: {
+      type: 'array',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Array of Place IDs for road segments (required if path not provided)',
+    },
+    units: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Units for the returned speed limits: KPH (default) or MPH',
+    },
+  },
+
+  request: {
+    url: (params) => {
+      const hasPath = params.path && params.path.trim().length > 0
+      const hasPlaceIds = params.placeIds && params.placeIds.length > 0
+
+      if (!hasPath && !hasPlaceIds) {
+        throw new Error(
+          'Speed Limits requires either a path (coordinates) or placeIds. Please provide at least one.'
+        )
+      }
+
+      const url = new URL('https://roads.googleapis.com/v1/speedLimits')
+      url.searchParams.set('key', params.apiKey.trim())
+
+      if (hasPath) {
+        url.searchParams.set('path', params.path!.trim())
+      }
+
+      if (hasPlaceIds) {
+        for (const placeId of params.placeIds!) {
+          url.searchParams.append('placeId', placeId.trim())
+        }
+      }
+
+      if (params.units) {
+        url.searchParams.set('units', params.units)
+      }
+
+      return url.toString()
+    },
+    method: 'GET',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+  },
+
+  transformResponse: async (response: Response) => {
+    const data = await response.json()
+
+    if (data.error) {
+      throw new Error(`Speed Limits failed: ${data.error.message || 'Unknown error'}`)
+    }
+
+    const speedLimits = (data.speedLimits || []).map(
+      (limit: { placeId: string; speedLimit: number; units: 'KPH' | 'MPH' }) => ({
+        placeId: limit.placeId,
+        speedLimit: limit.speedLimit,
+        units: limit.units,
+      })
+    )
+
+    const snappedPoints = (data.snappedPoints || []).map(
+      (point: {
+        location: { latitude: number; longitude: number }
+        originalIndex?: number
+        placeId: string
+      }) => ({
+        location: {
+          lat: point.location.latitude,
+          lng: point.location.longitude,
+        },
+        originalIndex: point.originalIndex,
+        placeId: point.placeId,
+      })
+    )
+
+    return {
+      success: true,
+      output: {
+        speedLimits,
+        snappedPoints,
+      },
+    }
+  },
+
+  outputs: {
+    speedLimits: {
+      type: 'array',
+      description: 'Array of speed limits for road segments',
+      items: {
+        type: 'object',
+        properties: {
+          placeId: { type: 'string', description: 'Place ID for the road segment' },
+          speedLimit: { type: 'number', description: 'Speed limit value' },
+          units: { type: 'string', description: 'Speed limit units (KPH or MPH)' },
+        },
+      },
+    },
+    snappedPoints: {
+      type: 'array',
+      description: 'Array of snapped points corresponding to the speed limits',
+      items: {
+        type: 'object',
+        properties: {
+          location: {
+            type: 'object',
+            description: 'Snapped location coordinates',
+            properties: {
+              lat: { type: 'number', description: 'Latitude' },
+              lng: { type: 'number', description: 'Longitude' },
+            },
+          },
+          originalIndex: { type: 'number', description: 'Index in the original path' },
+          placeId: { type: 'string', description: 'Place ID for this road segment' },
+        },
+      },
+    },
+  },
+}