Release 0.2.3

Highlights

• Added constructor dependency extraction via new injects edges from C# constructors.
• Added Obsidian vault export (query obsidian) and one-shot scan+export (scan-obsidian).
• Added persistent symbol notes workflows (notes get-or-create, notes update, notes sync) with protected ## Notes section.

Additional updates

• Updated docs (README, tradeoffs, skill docs) for new edges and workflows.
• Added tests for inject edges, Obsidian export, and notes sync behavior.

Version

• Bumped package version to 0.2.3.