docs: optimize Chinese RTD asset paths

.github/workflows/lint.yml

@@ -74,4 +74,18 @@ jobs:
         uses: lycheeverse/lychee-action@e7477775783ea5526144ba13e8db5eec57747ce8 # v2
         with:
           args: --offline --no-progress --root-dir "${{ github.workspace }}" 'apps/rlark/docs/**/*.md'
-          lycheeVersion: v0.24.2
+          lycheeVersion: v0.24.2
+
+      - name: Build Chinese Read the Docs output
+        env:
+          READTHEDOCS_CANONICAL_URL: https://rlark.readthedocs.io/zh-cn/latest/
+          READTHEDOCS_LANGUAGE: zh-cn
+          READTHEDOCS_VERSION: latest
+        run: |
+          python apps/rlark/docs/rtd_patch.py
+          mkdocs build --strict --config-file apps/rlark/mkdocs.yml --site-dir "$GITHUB_WORKSPACE/site-rtd-zh"
+          grep -F 'src="images/logo-zh.png"' site-rtd-zh/index.html
+          grep -F 'src="images/architecture-zh.svg"' site-rtd-zh/index.html
+          grep -F 'src="../images/architecture-zh.svg"' site-rtd-zh/architecture/index.html
+          test -f site-rtd-zh/images/logo-zh.png
+          test -f site-rtd-zh/images/architecture-zh.svg

apps/rlark/docs/rtd_patch.py

@@ -2,6 +2,7 @@
 
 import os
 import re
+from pathlib import Path
 from urllib.parse import urlsplit, urlunsplit
 
 
@@ -61,4 +62,20 @@
 with open(config_path, "w", encoding="utf-8") as config_file:
     config_file.write(content)
 
+if lang == "zh":
+    zh_docs = Path("apps/rlark/docs/zh")
+    for doc_path in zh_docs.rglob("*.md"):
+        relative_depth = len(doc_path.relative_to(zh_docs).parent.parts)
+        source_prefix = "../" * (relative_depth + 1) + "images/"
+        output_prefix = "../" * relative_depth + "images/"
+
+        doc_content = doc_path.read_text(encoding="utf-8")
+        patched_content = re.sub(
+            rf"(?P<attribute>\bsrc\s*=\s*[\"']){re.escape(source_prefix)}",
+            rf"\g<attribute>{output_prefix}",
+            doc_content,
+        )
+        if patched_content != doc_content:
+            doc_path.write_text(patched_content, encoding="utf-8")
+
 print(f"[i18n] build_only_locale={lang}")