feat(host): upgrade embedded Ghostty - #145
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Move to current manaflow-based Ghostty with preserved GTK GLArea integration. Sync FFI ABI, clipboard handling, Zig toolchain, shared-library naming, and package resources.
Preserve renderer-thread behavior for callback OpenGL surfaces and retain FreeType file provenance.
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Summary
81ab8ffa9to1a89efa4d, based on currentmanaflow-ai/ghosttyGLAreamain-thread rendering and display lifecycle supportlibghostty-internal.soLimux no longer depends on
am-will/ghostty. The temporary pin lives inbvolpato/ghostty, forked directly frommanaflow-ai/ghostty; compatibility changes are submitted upstream in manaflow-ai/ghostty#196. Once merged, this pin can move back to the maintained repository without code changes. GTK integration work retains FreeMeWat’s credit in the Ghostty commit.Why a compatibility branch remains
Current generic OpenGL callbacks may run on Ghostty’s renderer thread. GTK
GLAreaowns a main-thread offscreen framebuffer, so using generic callbacks directly risks wrong-context rendering. Compatibility patch keeps only required main-thread and realize/unrealize hooks, rebased onto maintained Ghostty head.Validation
zig build -Dapp-runtime=none -Doptimize=ReleaseFast -Dcpu=baseline./scripts/check.shLIMUX_SMOKE_PROFILE=debug ./scripts/xvfb-smoke-test.shldd -r target/debug/limuxFull unfiltered Ghostty test process was killed with exit 137 under workstation memory pressure. Changed-path Ghostty tests, complete Limux suite, and live GTK smoke all pass.