docs(skills): add clawhub metadata for PaddleOCR skills (#17789)

* docs(skills): add clawhub runtime metadata

* docs(skills): drop clawhub version metadata

---------

Co-authored-by: Lin Manhui <mhlin425@whu.edu.cn>

Author: Aidenwu0209

skills/paddleocr-doc-parsing/SKILL.md

@@ -4,6 +4,18 @@ description: >
   Advanced document parsing with PaddleOCR. Returns complete document
   structure including text, tables, formulas, charts, and layout information. The AI agent extracts
   relevant content based on user needs.
+metadata:
+  openclaw:
+    requires:
+      env:
+        - PADDLEOCR_DOC_PARSING_API_URL
+        - PADDLEOCR_ACCESS_TOKEN
+        - PADDLEOCR_DOC_PARSING_TIMEOUT
+      bins:
+        - python
+    primaryEnv: PADDLEOCR_ACCESS_TOKEN
+    emoji: "📄"
+    homepage: https://github.com/PaddlePaddle/PaddleOCR/tree/main/skills/paddleocr-doc-parsing
 ---
 
 # PaddleOCR Document Parsing Skill

skills/paddleocr-text-recognition/SKILL.md

@@ -3,6 +3,18 @@ name: paddleocr-text-recognition
 description: >
   Use this skill when users need to extract text from images, PDFs, or documents. Supports URLs and local files.
   Returns structured JSON containing recognized text.
+metadata:
+  openclaw:
+    requires:
+      env:
+        - PADDLEOCR_OCR_API_URL
+        - PADDLEOCR_ACCESS_TOKEN
+        - PADDLEOCR_TIMEOUT
+      bins:
+        - python
+    primaryEnv: PADDLEOCR_ACCESS_TOKEN
+    emoji: "🔤"
+    homepage: https://github.com/PaddlePaddle/PaddleOCR/tree/main/skills/paddleocr-text-recognition
 ---
 
 # PaddleOCR Text Recognition Skill