fix(pdf): use cjk font for Chinese annotations

.github/workflows/validate-release-pr.yml

@@ -1,44 +0,0 @@
-name: Validate Release PR
-
-# release/* 分支的发布策略门禁：仅接受 hotfix/* 或带 cherry-pick/backport 标签的 PR。
-# 详见 iac_modules/docs/tldr-github-branch-model.md
-on:
-  pull_request_target:
-    types: [opened, synchronize, reopened, labeled, unlabeled]
-
-permissions:
-  contents: read
-  pull-requests: read
-
-jobs:
-  validate-release-source:
-    runs-on: ubuntu-latest
-    if: startsWith(github.base_ref, 'release/')
-    steps:
-      - name: Check PR source branch
-        run: |
-          SRC="${{ github.head_ref }}"
-          TGT="${{ github.base_ref }}"
-          LABELS="${{ join(github.event.pull_request.labels.*.name, ',') }}"
-
-          echo "🔍 Validating PR into release branch"
-          echo "  source: $SRC"
-          echo "  target: $TGT"
-          echo "  labels: $LABELS"
-
-          if [[ "$SRC" =~ ^hotfix/ ]]; then
-            echo "✅ Allowed: hotfix/* branch"
-            exit 0
-          fi
-
-          if [[ "$LABELS" =~ (^|,)(cherry-pick|backport)(,|$) ]]; then
-            echo "✅ Allowed: cherry-pick/backport labeled PR"
-            exit 0
-          fi
-
-          echo "❌ Rejected."
-          echo "release/* 仅接受："
-          echo "  - 来自 hotfix/* 的 PR"
-          echo "  - 带 cherry-pick 或 backport 标签的 PR（已验证 feature 的 backport/cherry-pick）"
-          echo "禁止从 main / develop / feature/* 直接合并到 release/*。"
-          exit 1

skills/marketplace/pdf/scripts/fill_pdf_form_with_annotations.py

@@ -5,6 +5,19 @@ from pypdf import PdfReader, PdfWriter
 from pypdf.annotations import FreeText
 
 
+def _contains_cjk(text):
+    return any(
+        "\u3400" <= char <= "\u4dbf"
+        or "\u4e00" <= char <= "\u9fff"
+        or "\uf900" <= char <= "\ufaff"
+        for char in text
+    )
+
+
+def _default_font_for_text(text):
+    if _contains_cjk(text):
+        return "Songti SC"
+    return "Arial"
 
 
 def transform_from_image_coords(bbox, image_width, image_height, pdf_width, pdf_height):
@@ -72,8 +85,8 @@ def fill_pdf_form(input_pdf_path, fields_json_path, output_pdf_path):
         text = entry_text["text"]
         if not text:
             continue
-        
-        font_name = entry_text.get("font", "Arial")
+
+        font_name = entry_text.get("font") or _default_font_for_text(text)
         font_size = str(entry_text.get("font_size", 14)) + "pt"
         font_color = entry_text.get("font_color", "000000")