docs(router): new pool_idle_timeout

Author: ardatan

packages/web/docs/src/content/router/configuration/traffic_shaping.mdx

@@ -30,10 +30,10 @@ Limits the maximum number of concurrent HTTP connections the router will open to
 host. This acts as a safeguard to prevent overwhelming a subgraph with too many simultaneous
 requests.
 
-### `pool_idle_timeout_seconds`
+### `pool_idle_timeout`
 
-- **Type:** `integer`
-- **Default:** `50`
+- **Type:** `string`
+- **Default:** `50s`
 
 Controls the timeout (in seconds) for idle keep-alive connections in the router's connection pool.
 Connections that are unused for this duration will be closed.
@@ -47,5 +47,5 @@ longer idle timeout.
 traffic_shaping:
   dedupe_enabled: true
   max_connections_per_host: 250
-  pool_idle_timeout_seconds: 90
+  pool_idle_timeout: 90s
 ```

packages/web/docs/src/content/router/guides/performance-tuning.mdx

@@ -54,10 +54,10 @@ Start with the default and adjust based on your observations:
 
 ## Managing Idle Connections
 
-The `pool_idle_timeout_seconds` setting controls how long unused connections stay open in the
-router's connection pool before being closed.
+The `pool_idle_timeout` setting controls how long unused connections stay open in the router's
+connection pool before being closed.
 
-- **Default Value:** `50` seconds
+- **Default Value:** `50s`
 
 ### The Connection Reuse Trade-off