Release/v.0.4.0

[dldyou]

Summary

Implements the v.0.4.0 roadmap with easier Markdown setup, safer tree editing, tree-specific ignore rules, and release validation.

Changes

• Add an extension icon and validate Marketplace package metadata (Add Extension Icon and Marketplace Metadata #27)
• Create missing Markdown targets or tree markers and explain update failures (Add Markdown Setup and Diagnostics #25)
• Configure the Markdown target, output style, and maximum depth from the Webview (Expose Output Settings in Webview #26)
• Undo and redo ordering, exclusion, description, and bulk actions (Add Undo and Redo #28)
• Apply root .tree-generatorignore rules independently of .gitignore (Add Tree-specific Ignore Patterns #29)
• Reset one directory without clearing metadata for the whole project (Add Directory-level Reset #30)
• Validate compile, lint, tests, and VSIX packaging on a self-hosted runner (Add Package Validation Workflow #31)

Validation

• npm run compile
• npm run lint
• npm test — 41 passing
• vsce package --no-dependencies

Closes #25
Closes #26
Closes #27
Closes #28
Closes #29
Closes #30
Closes #31

[chatgpt-codex-connector]

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