T3 Code v0.0.6

What's Changed

• chore: code quality cleanup (Snow Leopard pass) by @aaditagrawal in #20
• feat: app-wide theming with presets, fonts, and contrast by @aaditagrawal in #21
• chore: sync upstream fixes (SSH, sidebar, menu copy, CI, drag) by @aaditagrawal in #22
• [codex] Merge upstream terminal context and git model updates by @aaditagrawal in #23
• [codex] Sync upstream ancestry without changing fork tree by @aaditagrawal in #24
• Centralize provider adapter capabilities into a single registry by @aaditagrawal in #25
• Upstream sync: Claude adapter + plan consumption + fixes (v0.0.13) by @aaditagrawal in #26
• Upstream sync: add pointer cursor to add project button by @aaditagrawal in #27
• Upstream ancestry sync: resolve commit divergence by @aaditagrawal in #28

Full Changelog: v0.0.5...v0.0.6