初始提交：terminalX 可运行态（M0/M1/M1.5 已真机验证）

- M0: libghostty SSH 终端（渲染/输入/连接）+ 白屏修复(OutputGate) + 会话状态机/自动重连
- M1: tsnet 用户态组网 + SSH-over-tsnet(fd 桥)，shell 级真机验证；R5(Go+gvisor+C+++Swift 同进程) retire
- M1.5: tmux -CC 原生 tab（MVP）
- 结构: packages/(TXCore·TXTransport), apps/TerminalX, vendor/(libghostty-spm/libssh2/mbedtls/tsnet-bridge), artifacts/
- 文档: CLAUDE.md + docs/HANDOFF.md（新会话入口）
- 环境: 认证代理→依赖 vendor 本地化；Go 在 ~/.local/go；仅模拟器/未签名
- 待续: M2 mosh, tmux 多 pane, M4 安全(host key/SE)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

vendor/libghostty-spm/Patches/ghostty/README.md

@@ -0,0 +1,25 @@
+# Ghostty Patches
+
+This directory is the single place for local upstream Ghostty patches used by
+the `libghostty-spm` build pipeline.
+
+## Rules
+
+- Keep patches numbered so they apply in a stable order.
+- Prefer standard unified diff files (`.patch`) when the upstream context is
+  stable.
+- Use executable patch scripts (`.sh`) only when upstream context is too
+  unstable for a reliable diff.
+- Keep version-specific variants beside the original patch and select them in
+  `Script/apply-patches.sh` using an upstream API marker.
+- Preserve newer Ghostty's renamed internal-library outputs when extending its
+  Darwin static-library build path.
+- Every patch in this directory must be safe to re-run.
+- Patches here are applied automatically by `Script/build-ghostty.sh`, so they
+  affect macOS, iOS, and Mac Catalyst builds equally.
+
+## Current goal
+
+This patch workflow exists so we can carry host-managed IO work required for
+sandboxed iOS, macOS, and Mac Catalyst integration without hiding upstream
+modifications inside ad-hoc build script edits.