docs(skills): default tmp raw-output persistence in SKILL workflows

[Aidenwu0209]

Summary

• Make raw JSON persistence to tmp/.../result.json the default behavior in both skill workflows
• Clarify that --output writes JSON to file and stdout no longer carries JSON payload
• Require the agent to parse from the saved file and always report saved path + raw result location

Changes

• skills/paddleocr-text-recognition/SKILL.md
• skills/paddleocr-doc-parsing/SKILL.md

Details

• Default output paths:
  • tmp/paddleocr-text-recognition/result.json
  • tmp/paddleocr-doc-parsing/result.json
• Updated command examples to include --output ... --pretty
• Wording adjusted from "script returns COMPLETE JSON" to "saved output file contains COMPLETE JSON" where applicable

Notes

• Documentation-only change (SKILL.md contract updates)
• No code or API behavior changes

[paddle-bot]

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