Add Terminal and StatelessTerminal renderables #3
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- Add vterm.zig with ghostty-vt integration for terminal emulation - Add VTerm FFI functions to lib.zig and zig.ts - Add StatelessTerminalRenderable and TerminalRenderable classes - Fix renderer.zig to skip stdout writes in testing mode (fixes hanging tests) - Fix circular dependency by moving VTerm types to lib/vterm-ffi.ts
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Stacked on sst#439 (Zig 0.15 upgrade with ghostty-vt dependency).
This PR adds support for terminal rendering using ghostty-vt:
New renderables:
TerminalRenderable- Stateful terminal emulator that maintains terminal state across updates, suitable for interactive terminal sessionsStatelessTerminalRenderable- Lightweight terminal renderer optimized for rendering the first few lines of terminal output. Renders in a few milliseconds, designed for opencode chat bash previewsFeatures:
Technical details:
vtermPtyToJsonfor stateless parsing with pagination supportvtermCreateTerminal,vtermFeedTerminal, etc.