fix(docs): correct sandbox config anchor slug in 5 files

Mintlify strips dots from backtick headings when generating anchors.
`agents.defaults.sandbox` -> #agentsdefaultssandbox (not #agents-defaults-sandbox)

docs/channels/groups.md

@@ -116,7 +116,7 @@ Want “groups can only see folder X” instead of “no host access”? Keep `w
 
 Related:
 
-- Configuration keys and defaults: [Gateway configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+- Configuration keys and defaults: [Gateway configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 - Debugging why a tool is blocked: [Sandbox vs Tool Policy vs Elevated](/gateway/sandbox-vs-tool-policy-vs-elevated)
 - Bind mounts details: [Sandboxing](/gateway/sandboxing#custom-bind-mounts)
 

docs/gateway/configuration.md

@@ -251,7 +251,7 @@ When validation fails:
 
     Build the image first: `scripts/sandbox-setup.sh`
 
-    See [Sandboxing](/gateway/sandboxing) for the full guide and [full reference](/gateway/configuration-reference#agents-defaults-sandbox) for all options.
+    See [Sandboxing](/gateway/sandboxing) for the full guide and [full reference](/gateway/configuration-reference#agentsdefaultssandbox) for all options.
 
   </Accordion>
 

docs/gateway/sandboxing.md

@@ -463,7 +463,7 @@ See [Multi-Agent Sandbox & Tools](/tools/multi-agent-sandbox-tools) for preceden
 ## Related docs
 
 - [OpenShell](/gateway/openshell) -- managed sandbox backend setup, workspace modes, and config reference
-- [Sandbox Configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+- [Sandbox Configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 - [Sandbox vs Tool Policy vs Elevated](/gateway/sandbox-vs-tool-policy-vs-elevated) -- debugging "why is this blocked?"
 - [Multi-Agent Sandbox & Tools](/tools/multi-agent-sandbox-tools) -- per-agent overrides and precedence
 - [Security](/gateway/security)

docs/help/faq.md

@@ -1129,7 +1129,7 @@ Quick answers plus deeper troubleshooting for real-world setups (local dev, VPS,
 
     Setup walkthrough + example config: [Groups: personal DMs + public groups](/channels/groups#pattern-personal-dms-public-groups-single-agent)
 
-    Key config reference: [Gateway configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+    Key config reference: [Gateway configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 
   </Accordion>
 

docs/tools/multi-agent-sandbox-tools.md

@@ -360,5 +360,5 @@ After configuring multi-agent sandbox and tools:
 - [Sandbox vs Tool Policy vs Elevated](/gateway/sandbox-vs-tool-policy-vs-elevated) -- debugging "why is this blocked?"
 - [Elevated Mode](/tools/elevated)
 - [Multi-Agent Routing](/concepts/multi-agent)
-- [Sandbox Configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+- [Sandbox Configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 - [Session Management](/concepts/session)