Fix Podman sandbox CI checks

docs/docs_map.md

@@ -4041,6 +4041,7 @@ Do not edit it by hand; run `pnpm docs:map:gen`.
   - H2: Supported capability matrix
   - H2: Docker backend
   - H3: Sandboxed browser
+  - H2: Podman backend
   - H2: SSH backend
   - H2: OpenShell backend
   - H2: Workspace access
@@ -4856,6 +4857,7 @@ Do not edit it by hand; run `pnpm docs:map:gen`.
 - Headings:
   - H2: Prerequisites
   - H2: Quick start
+  - H2: Agent sandbox backend
   - H2: Podman and Tailscale
   - H2: Systemd (Quadlet, optional)
   - H2: Config, env, and storage
@@ -7221,6 +7223,14 @@ Do not edit it by hand; run `pnpm docs:map:gen`.
   - H2: Surface
   - H2: Related docs
 
+## plugins/reference/podman.md
+
+- Route: /plugins/reference/podman
+- Headings:
+  - H1: Podman plugin
+  - H2: Distribution
+  - H2: Surface
+
 ## plugins/reference/policy.md
 
 - Route: /plugins/reference/policy