Khan 5c761174c2
docs: Complete tool calling bash script in MCP client example (#9073)
### What problem does this PR solve?

- Fix incomplete curl command in section 5 'Tool calling', add missing
closing braces and parentheses to complete the JSON payload

This resolves the incomplete bash script that was missing proper JSON
structure closure.

### Type of change

- [x] Documentation Update
2025-07-30 09:50:21 +08:00
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