chore(main): release 0.3.0

[jscaltreto]

🤖 I have created a release beep boop

0.3.0 (2026-03-30)

Features

• add VS Code extension MVP (#13) (04d3e6e)
• lsp: add scene-aware cue completion (#11) (dcc245b)
• lsp: diagnose misnumbered headings (#37) (b093d5f)
• lsp: relax unknown-character warnings for collective and conjunction cues (#36) (44ca0b1), closes #28
• lsp: warn on unnumbered acts and scenes (#27) (d4fc2c4)
• render: add HTML rendering support (#15) (949d324)
• vscode: add live HTML preview with scroll sync (#29) (afb31e0)

Bug Fixes

• address audit quick wins across LSP, CLI, and CI (#25) (1053815)
• harden input validation and resource limits (#35) (c4895d2)
• render: paragraph spacing in dialogue and condensed stage directions (#51) (a36dc52)
• render: refine stage direction spacing based on adjacency (#52) (e7b7db2)
• render: render parentheticals on separate line in HTML output (#32) (dc96248)
• vscode: double-buffer preview to eliminate update flash (#43) (4c034b6)
• vscode: stop live preview scroll flash (#38) (9384309)

Performance Improvements

• lsp: cache parsed document indexes (#31) (2f5f7d1)

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