docs: align integration docs with supported tools

integrations/openclaw/README.md

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+# OpenClaw Integration
+
+OpenClaw agents are installed as workspaces containing `SOUL.md`, `AGENTS.md`,
+and `IDENTITY.md` files. The installer copies each workspace into
+`~/.openclaw/agency-agents/` and registers it when the `openclaw` CLI is
+available.
+
+## Install
+
+```bash
+./scripts/install.sh --tool openclaw
+```
+
+## Activate an Agent
+
+After installation, agents are available by `agentId` in OpenClaw sessions.
+
+If the OpenClaw gateway is already running, restart it after installation:
+
+```bash
+openclaw gateway restart
+```
+
+## Regenerate
+
+```bash
+./scripts/convert.sh --tool openclaw
+```