GhostfolioSidekick

Upgrade NuGet packages across the GhostfolioSidekick .NET 10 solution. Finds outdated packages, upgrades them, always validates with build + tests, fixes compile issues, and verifies no security vulnerabilities. Trigger: "upgrade packages", "update dependencies", "nuget upgrade", "bump versions", "update all packages", /upgrade-packages.

GhostfolioSidekick UI test execution and triage skill for PortfolioViewer.WASM.UITests (Playwright + xUnit). Use when user asks to run UI tests, debug Playwright failures, add/adjust UI tests, or investigate page-level regressions in PortfolioViewer.

Compress natural language memory files (CLAUDE.md, todos, preferences) into caveman format to save input tokens. Preserves all technical substance, code, URLs, and structure. Compressed version overwrites the original file. Human-readable backup saved as FILE.original.md. Trigger: /caveman-compress FILEPATH or "compress memory file"