feat(preview): click to expand truncated YAML frontmatter values#28
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Long frontmatter values were truncated with "…" but, unlike table cells,
could not be expanded. Register each overflowing entry as an expandable
region so a click / za / <CR> toggles it, reusing the existing
expandable_regions / expand_state / block_id machinery.
When expanded, the value is wrapped with wrap_words (CJK / kinsoku aware)
and continuation lines are indented to align under the value column, e.g.
hoge: あいうえおかきく
けこ
Frontmatter block ids are negative so they never collide with table
expand ids, which are positive source line numbers.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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概要
Obsidian ノート等のプレビューで、YAML フロントマターの横幅を越えた値は
…で省略表示されますが、テーブルのセルと違ってクリックしても展開できませんでした。テーブルと同じ操作で展開できるようにします。Before:
```yaml
hoge: あいうえおかきく…
```
クリック / `za` / `` で After:
```yaml
hoge: あいうえおかきく
けこ
```
実装
テスト
🤖 Generated with Claude Code