docs: replace english locale mirrors with translated landing pages

docs/es/cli/agent.md

@@ -1,24 +0,0 @@
----
-summary: "CLI reference for `openclaw agent` (send one agent turn via the Gateway)"
-read_when:
-  - You want to run one agent turn from scripts (optionally deliver reply)
-title: "agent"
----
-
-# `openclaw agent`
-
-Run an agent turn via the Gateway (use `--local` for embedded).
-Use `--agent <id>` to target a configured agent directly.
-
-Related:
-
-- Agent send tool: [Agent send](/tools/agent-send)
-
-## Examples
-
-```bash
-openclaw agent --to +15555550123 --message "status update" --deliver
-openclaw agent --agent ops --message "Summarize logs"
-openclaw agent --session-id 1234 --message "Summarize inbox" --thinking medium
-openclaw agent --agent ops --message "Generate report" --deliver --reply-channel slack --reply-to "#reports"
-```