refactor: move the canonical libghostty-vt vendor to the repository root

apps/mobile/modules/t3-terminal/README.md

@@ -40,7 +40,7 @@ fails, run `xcodebuild -downloadComponent MetalToolchain`.
 ## Rebuilding libghostty-vt for Android
 
 The checked-in Android shared libraries and headers are pinned to the revision recorded in
-`Vendor/libghostty-vt/VERSION`. Set `ANDROID_NDK_HOME` and run:
+`native/libghostty-vt/VERSION` at the repository root. Set `ANDROID_NDK_HOME` and run:
 
 ```bash
 apps/mobile/modules/t3-terminal/scripts/build-libghostty-android.sh

apps/mobile/modules/t3-terminal/THIRD_PARTY_NOTICES.md

@@ -25,7 +25,7 @@ The web terminal vendors a WebAssembly build from the same revision and uses the
 - License: MIT
 
 Ghostty's MIT license applies to the vendored Android and web libraries. Keep this notice and both
-artifacts in sync when updating `Vendor/libghostty-vt`.
+artifacts in sync when updating the repository-root `native/libghostty-vt`.
 
 ## MesloLGS NF (Android terminal font)
 

apps/mobile/modules/t3-terminal/android/src/main/cpp/CMakeLists.txt

@@ -13,7 +13,7 @@ add_library(t3terminal SHARED t3_terminal_jni.cpp)
 
 target_include_directories(
   t3terminal
-  PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../../../../Vendor/libghostty-vt/include"
+  PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../../native/libghostty-vt/include"
 )
 
 target_link_options(

apps/mobile/modules/t3-terminal/scripts/build-libghostty-android.sh

@@ -4,7 +4,7 @@ set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 MODULE_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
-VENDOR_DIR="${MODULE_DIR}/Vendor/libghostty-vt"
+VENDOR_DIR="${MODULE_DIR}/../../../../native/libghostty-vt"
 PATCH_DIR="${SCRIPT_DIR}/libghostty-android-patches"
 
 GHOSTTY_REVISION="${GHOSTTY_REVISION:-9f62873bf195e4d8a762d768a1405a5f2f7b1697}"

apps/web/scripts/build-libghostty-wasm.sh

@@ -5,10 +5,10 @@ set -euo pipefail
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 WEB_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
 REPO_DIR="$(cd "${WEB_DIR}/../.." && pwd)"
-MOBILE_VENDOR_DIR="${REPO_DIR}/apps/mobile/modules/t3-terminal/Vendor/libghostty-vt"
+CANONICAL_VENDOR_DIR="${REPO_DIR}/native/libghostty-vt"
 VENDOR_DIR="${WEB_DIR}/src/terminal/ghostty/vendor"
 
-GHOSTTY_REVISION="$(tr -d '[:space:]' < "${MOBILE_VENDOR_DIR}/VERSION")"
+GHOSTTY_REVISION="$(tr -d '[:space:]' < "${CANONICAL_VENDOR_DIR}/VERSION")"
 GHOSTTY_SOURCE_DIR="${GHOSTTY_SOURCE_DIR:-${HOME}/.cache/t3code/ghostty-${GHOSTTY_REVISION:0:8}}"
 GHOSTTY_ZIG_VERSION="${GHOSTTY_ZIG_VERSION:-0.15.2}"
 GHOSTTY_ZIG="${GHOSTTY_ZIG:-}"

apps/web/src/terminal/ghostty/README.md

@@ -12,7 +12,7 @@ It is intentionally not an xterm compatibility layer.
   prompt glyphs render without a locally installed Nerd Font.
 - `vendor/` holds only the artifacts, reproducibly generated by
   `apps/web/scripts/build-libghostty-wasm.sh`. The upstream pin and license live once, at
-  `apps/mobile/modules/t3-terminal/Vendor/libghostty-vt/`; the wasm embeds the pinned revision
+  `native/libghostty-vt/` at the repository root; the wasm embeds the pinned revision
   in its build info and the ABI test verifies it against mobile's `VERSION`.
 
 Keep browser behavior here and terminal transport in the existing client runtime. Do not add React

apps/web/src/terminal/ghostty/runtimeAbi.test.ts

@@ -2,7 +2,7 @@ import { describe, expect, it } from "vite-plus/test";
 
 import wasmDataUrl from "./vendor/ghostty-vt.wasm?inline";
 import writePtyWasmDataUrl from "./vendor/ghostty-write-pty.wasm?inline";
-import mobileVersion from "../../../../mobile/modules/t3-terminal/Vendor/libghostty-vt/VERSION?raw";
+import pinnedVersion from "../../../../../native/libghostty-vt/VERSION?raw";
 import { ghosttyKeyForCode } from "./keyCodes";
 
 type WasmFunction = (...args: number[]) => number;
@@ -14,13 +14,13 @@ function decodeWasmDataUrl(dataUrl: string): Uint8Array {
 }
 
 describe("vendored libghostty-vt WebAssembly", () => {
-  it("stays pinned to mobile's canonical revision and size budget", async () => {
+  it("stays pinned to the canonical revision and size budget", async () => {
     const wasm = decodeWasmDataUrl(wasmDataUrl);
     expect(wasm.byteLength).toBeLessThan(750_000);
 
     // The artifact carries its own provenance: the build embeds the pinned
-    // revision as semver build metadata, so mobile's VERSION file is the
-    // single source of truth and drift is caught here without a copy.
+    // revision as semver build metadata, so the repository's canonical VERSION
+    // file is the single source of truth and drift is caught here without a copy.
     const result = await WebAssembly.instantiate(wasm.buffer as ArrayBuffer, {
       env: { log: () => {} },
     });
@@ -35,7 +35,7 @@ describe("vendored libghostty-vt WebAssembly", () => {
       new Uint8Array(memory.buffer, view.getUint32(0, true), view.getUint32(4, true)),
     );
     call("ghostty_wasm_free_u8_array", out, 8);
-    expect(embeddedRevision).toBe(mobileVersion.trim());
+    expect(embeddedRevision).toBe(pinnedVersion.trim());
   });
 
   it("creates, writes multi-codepoint graphemes, and frees repeated terminals", async () => {

docs/architecture/terminal-renderers.md

@@ -12,7 +12,7 @@ boundaries, keyboard encoding, selection, and scrollback:
 - Android links the native shared library and converts render state into a compact JNI snapshot.
 - Web loads a separately cached WebAssembly build and reads render state into a Canvas 2D surface.
 - Both artifacts are built from the revision in
-  `apps/mobile/modules/t3-terminal/Vendor/libghostty-vt/VERSION`.
+  `native/libghostty-vt/VERSION`.
 
 The platform adapters deliberately own only platform behavior. Android owns its Kotlin Canvas and
 touch integration. Web owns browser font shaping, the hidden IME textarea, clipboard and DOM input,