fix: number pool initialization in multi telephony setup

If there are multiple telephony configurations, the form number should be initialized from the campaigns given telephonic configuration rather than the organization default telephonic configuration.

docs/api-reference/calls/list-runs.mdx

@@ -0,0 +1,11 @@
+---
+title: "List Runs with Usage"
+description: "Paginated list of workflow runs across the organization with usage and cost"
+openapi: "GET /api/v1/organizations/usage/runs"
+---
+
+Returns a paginated list of runs across all agents in your organization, including duration, cost, and usage details for each run.
+
+Use `start_date` and `end_date` (ISO 8601) to scope the window, and `page` / `limit` to paginate. Pass `filters` as a JSON-encoded string to narrow results further.
+
+To fetch the full transcript or recording for a specific run, use [Retrieve Call Details](/api-reference/calls/get-run).