FusedRender v0.6.83

What's Changed

• Copilot: fix spawn for missing add-dir and effort on auto/Claude models by @vasu2001 in #1884
• Fused sign-in: 5-minute timeout, Cancel on the Canvases page, refused consent ends the wait by @vasu2001 in #1887
• Default workbench environment: prod instead of unstable by @vasu2001 in #1889
• Canvases sidebar: show the section on the feature flag alone, not flag AND sign-in by @vasu2001 in #1892
• Canvases: embedded workbench may use the clipboard (Copy link works) by @AkshilVT in #1888
• Canvases: custom-deployment share links and an opt-in embed proxy for the custom env's workbench by @isaacbrodsky in #1846
• Tab and sub-page switches keep the page mounted: Templates, Marketplace, Claude Config by @iamsdas in #1890
• Canvases: offer the custom environment without a settings.toml and edit it in a modal by @vasu2001 in #1893
• Bump version to 0.6.83 by @vasu2001 in #1895

Full Changelog: v0.6.82...v0.6.83