docs: expand es and pt-BR docs trees

docs/es/platforms/mac/skills.md

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+---
+summary: "macOS Skills settings UI and gateway-backed status"
+read_when:
+  - Updating the macOS Skills settings UI
+  - Changing skills gating or install behavior
+title: "Skills"
+---
+
+# Skills (macOS)
+
+The macOS app surfaces OpenClaw skills via the gateway; it does not parse skills locally.
+
+## Data source
+
+- `skills.status` (gateway) returns all skills plus eligibility and missing requirements
+  (including allowlist blocks for bundled skills).
+- Requirements are derived from `metadata.openclaw.requires` in each `SKILL.md`.
+
+## Install actions
+
+- `metadata.openclaw.install` defines install options (brew/node/go/uv).
+- The app calls `skills.install` to run installers on the gateway host.
+- The gateway surfaces only one preferred installer when multiple are provided
+  (brew when available, otherwise node manager from `skills.install`, default npm).
+
+## Env/API keys
+
+- The app stores keys in `~/.openclaw/openclaw.json` under `skills.entries.<skillKey>`.
+- `skills.update` patches `enabled`, `apiKey`, and `env`.
+
+## Remote mode
+
+- Install + config updates happen on the gateway host (not the local Mac).