chore: import upstream snapshot with attribution

apps/sim/tools/google_maps/snap_to_roads.ts

@@ -0,0 +1,127 @@
+import type {
+  GoogleMapsSnapToRoadsParams,
+  GoogleMapsSnapToRoadsResponse,
+} from '@/tools/google_maps/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const googleMapsSnapToRoadsTool: ToolConfig<
+  GoogleMapsSnapToRoadsParams,
+  GoogleMapsSnapToRoadsResponse
+> = {
+  id: 'google_maps_snap_to_roads',
+  name: 'Google Maps Snap to Roads',
+  description: 'Snap GPS coordinates to the nearest road segment',
+  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: true,
+      visibility: 'user-or-llm',
+      description:
+        'Pipe-separated list of lat,lng coordinates (e.g., "60.170880,24.942795|60.170879,24.942796")',
+    },
+    interpolate: {
+      type: 'boolean',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Whether to interpolate additional points along the road',
+    },
+  },
+
+  hosting: {
+    envKeyPrefix: 'GOOGLE_CLOUD_API_KEY',
+    apiKeyParam: 'apiKey',
+    byokProviderId: 'google_cloud',
+    pricing: {
+      type: 'per_request',
+      cost: 0.01,
+    },
+    rateLimit: {
+      mode: 'per_request',
+      requestsPerMinute: 60,
+    },
+  },
+
+  request: {
+    url: (params) => {
+      const url = new URL('https://roads.googleapis.com/v1/snapToRoads')
+      url.searchParams.set('path', params.path.trim())
+      url.searchParams.set('key', params.apiKey.trim())
+      if (params.interpolate !== undefined) {
+        url.searchParams.set('interpolate', String(params.interpolate))
+      }
+      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(`Snap to Roads failed: ${data.error.message || 'Unknown error'}`)
+    }
+
+    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: {
+        snappedPoints,
+        warningMessage: data.warningMessage || null,
+      },
+    }
+  },
+
+  outputs: {
+    snappedPoints: {
+      type: 'array',
+      description: 'Array of snapped points on roads',
+      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 (if not interpolated)',
+          },
+          placeId: { type: 'string', description: 'Place ID for this road segment' },
+        },
+      },
+    },
+    warningMessage: {
+      type: 'string',
+      description: 'Warning message if any (e.g., if points could not be snapped)',
+    },
+  },
+}