fix(lint): allow Korean fallback stacks (#83)

Document and validate exact Korean proportional and monospace fallback stacks, with strict regression coverage and synchronized plugin version 2.4.6.

.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "diagram-design",
   "description": "Create branded architecture, IT current-state, flowchart, sequence, state machine, ER/data model, timeline, swimlane, quadrant, radar/spider, loop/flywheel, nested, tree, org chart, layer stack, Venn, pyramid/funnel, bar, line, Gantt and scatter charts, high-level, process, medallion, data flow, DP integration, or DP security matrix diagrams as standalone HTML/SVG/PNG. Redraw .drawio/.drawio.png/.drawio.svg or Mermaid .mmd sources at a chosen size/detail; onboard brand tokens from a website; add semantic patterns, callouts, accessible motion, or sketchy/hand-drawn styling.",
-  "version": "2.4.5",
+  "version": "2.4.6",
   "author": {
     "name": "Cathryn Lavery",
     "url": "https://github.com/cathrynlavery"

.codex-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "diagram-design",
   "description": "Create branded architecture, IT current-state, flowchart, sequence, state machine, ER/data model, timeline, swimlane, quadrant, radar/spider, loop/flywheel, nested, tree, org chart, layer stack, Venn, pyramid/funnel, bar, line, Gantt and scatter charts, high-level, process, medallion, data flow, DP integration, or DP security matrix diagrams as standalone HTML/SVG/PNG. Redraw .drawio/.drawio.png/.drawio.svg or Mermaid .mmd sources at a chosen size/detail; onboard brand tokens from a website; add semantic patterns, callouts, accessible motion, or sketchy/hand-drawn styling.",
-  "version": "2.4.5",
+  "version": "2.4.6",
   "author": {
     "name": "Cathryn Lavery",
     "url": "https://github.com/cathrynlavery"

scripts/lint-skin.py

@@ -59,6 +59,10 @@ ALLOWED_FONTS = {
     "noto sans jp",
     "yu gothic",
     "noto sans mono cjk jp",
+    "apple sd gothic neo",
+    "noto sans kr",
+    "malgun gothic",
+    "noto sans mono cjk kr",
     "system-ui",
     "sans-serif",
     "serif",

scripts/test-lint-a11y.py

@@ -406,6 +406,49 @@ def main() -> int:
             "font-family: unsupported font family: Yu Gothic UI",
             directory,
         )
+        kr_name_svg = VALID_SVG.replace("fixture-title", "kr-name-stack-title").replace(
+            "fixture-desc", "kr-name-stack-desc"
+        )
+        require_pass(
+            "kr-name-stack",
+            kr_name_svg.replace(
+                "</svg>",
+                '<text font-family="\'Geist\', \'Apple SD Gothic Neo\', \'Noto Sans KR\', '
+                '\'Malgun Gothic\', sans-serif">인증 서비스</text>\n</svg>',
+            ),
+            directory,
+        )
+        kr_mono_svg = VALID_SVG.replace("fixture-title", "kr-mono-stack-title").replace(
+            "fixture-desc", "kr-mono-stack-desc"
+        )
+        require_pass(
+            "kr-mono-stack",
+            kr_mono_svg.replace(
+                "</svg>",
+                '<text font-family="\'Geist Mono\', \'Noto Sans Mono CJK KR\', '
+                'monospace">포트 443</text>\n</svg>',
+            ),
+            directory,
+        )
+        kr_css_svg = VALID_SVG.replace("fixture-title", "kr-css-stack-title").replace(
+            "fixture-desc", "kr-css-stack-desc"
+        )
+        require_pass(
+            "kr-css-stack",
+            '<style>text { font-family: "Geist", "Apple SD Gothic Neo", "Noto Sans KR", '
+            '"Malgun Gothic", sans-serif; }</style>\n' + kr_css_svg,
+            directory,
+        )
+        malgun_semilight_svg = VALID_SVG.replace(
+            "fixture-title", "malgun-semilight-title"
+        ).replace("fixture-desc", "malgun-semilight-desc")
+        require_lint_finding(
+            "malgun-gothic-semilight",
+            '<style>text { font-family: "Malgun Gothic Semilight", sans-serif; }</style>\n'
+            + malgun_semilight_svg,
+            "font-family: unsupported font family: Malgun Gothic Semilight",
+            directory,
+        )
 
         spec = importlib.util.spec_from_file_location("build_icons", BUILD_ICONS)
         if spec is None or spec.loader is None:

skills/diagram-design/references/output-spec.md

@@ -142,9 +142,10 @@ Geist has no CJK coverage. When labels contain Japanese, Chinese, or Korean text
 
 ```svg
 <text font-family="'Geist', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', sans-serif">認証サービス</text>
+<text font-family="'Geist', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif">인증 서비스</text>
 ```
 
-For mono sublabels use `'Geist Mono', 'Noto Sans Mono CJK JP', monospace`. CJK glyphs render ~10% wider than Latin at the same size — budget box width accordingly, and prefer 12px names over 8px sublabels for CJK, which goes muddy below 10px.
+The Hiragino/Yu Gothic stack carries no Hangul glyphs, so Korean labels need the Korean stack — don't reuse the Japanese one. For mono sublabels use `'Geist Mono', 'Noto Sans Mono CJK JP', monospace` (Japanese) or `'Geist Mono', 'Noto Sans Mono CJK KR', monospace` (Korean). CJK glyphs render ~10% wider than Latin at the same size — budget box width accordingly, and prefer 12px names over 8px sublabels for CJK, which goes muddy below 10px.
 
 ---