docs: canonicalize docs paths and align zh navigation (#11428)

* docs(navigation): canonicalize paths and align zh nav

* chore(docs): remove stray .DS_Store

* docs(scripts): add non-mint docs link audit

* docs(nav): fix zh source paths and preserve legacy redirects (#11428) (thanks @sebslight)

* chore(docs): satisfy lint for docs link audit script (#11428) (thanks @sebslight)

docs/install/docker.md

@@ -336,7 +336,7 @@ mixed access levels in one gateway:
 - Read-only tools + read-only workspace (family/work agent)
 - No filesystem/shell tools (public agent)
 
-See [Multi-Agent Sandbox & Tools](/multi-agent-sandbox-tools) for examples,
+See [Multi-Agent Sandbox & Tools](/tools/multi-agent-sandbox-tools) for examples,
 precedence, and troubleshooting.
 
 ### Default behavior