Release v2.4.12

What's Changed

• Electron Squirrel + Update detector by @ignaciojimenezr in #2114
• feat(inspector): playground tab (IDE-style Chat + App Builder) by @chelojimenez in #2121
• test(inspector): mock new lucide icons + standardEventProps in PlaygroundMain test by @ignaciojimenezr in #2122
• Redesign hosts visualization with canvas-based layout and house style by @chelojimenez in #2126
• inspector shouldn't send org id by @ignaciojimenezr in #2125
• fix(inspector): hold Servers spinner across sign-out gap + snap to Servers on project switch by @ignaciojimenezr in #2123
• feat(inspector): React Router v7 shell + path-based navigation adapter by @chelojimenez in #2115
• don't error on inivte when guest/ui changes on org modal by @ignaciojimenezr in #2127
• hosts: canvas redesign + house style polish by @chelojimenez in #2128
• Mhi/playground routing by @chelojimenez in #2129
• Mhi/chatbox surface by @chelojimenez in #2130
• Mhi/evals host config override by @chelojimenez in #2131
• Snappy Servers→Host transition + host routes + clean canvas edges by @chelojimenez in #2132
• Rename Hosts to Clients in UI by @chelojimenez in #2133
• Redesign client canvas as a single host matrix with diagram color tokens by @chelojimenez in #2136
• copilot/cursor animation + astraction of thread colors by @ignaciojimenezr in #2138
• Hide per-server OAuth errors in playground Tools tab by @chelojimenez in #2134
• Fix system-prompt race and align previewed-host scope across surfaces by @chelojimenez in #2139
• Instrument Clients feature with PostHog events for launch by @chelojimenez in #2137
• Rename Playground tab to Chat with NEW announcement by @chelojimenez in #2135
• read global theme on host creation + icons by @ignaciojimenezr in #2140
• Stop pre-populating restrictTo; hide safe-default sandbox rows by @chelojimenez in #2142
• revert per client primary color by @ignaciojimenezr in #2141
• Refactor Chat UX by @chelojimenez in #2144
• Model real-host iframe attributes via 3 new sandbox config fields by @chelojimenez in #2143
• Default Require tool approval off in client templates by @chelojimenez in #2146
• patches csp in gpt client by @ignaciojimenezr in #2147
• fix tool approvals by @ignaciojimenezr in #2150
• follow up to csp in gpt by @ignaciojimenezr in #2149
• Address widget CSP review feedback by @ignaciojimenezr in #2153
• fix auto create client by @ignaciojimenezr in #2154

Full Changelog: v2.4.11...v2.4.12