Initial commit with translated description

SKILL.md

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+---
+name: pdf-extract
+description: "从PDF文件中提取文本以供LLM处理。"
+metadata:
+  {
+    "openclaw":
+      {
+        "emoji": "📄",
+        "requires": { "bins": ["pdftotext"] },
+        "install":
+          [
+            {
+              "id": "dnf",
+              "kind": "dnf",
+              "package": "poppler-utils",
+              "bins": ["pdftotext"],
+              "label": "Install via dnf",
+            },
+          ],
+      },
+  }
+---
+
+# PDF Extract
+
+Extract text from PDF files for LLM processing. Uses `pdftotext` from the poppler-utils package to convert PDF documents into plain text.
+
+## Commands
+
+```bash
+# Extract all text from a PDF
+pdf-extract "document.pdf"
+
+# Extract text from specific pages
+pdf-extract "document.pdf" --pages 1-5
+```
+
+## Install
+
+```bash
+sudo dnf install poppler-utils
+```

_meta.json

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+{
+  "ownerId": "kn7d9tgyz5fxw3t93bz27t97zn7zxtqc",
+  "slug": "pdf-extract",
+  "version": "1.0.0",
+  "publishedAt": 1770135673109
+}