feat(tui): replace Textual with a Go/Bubble Tea interface (#941)

scripts/build.sh

@@ -39,6 +39,12 @@ if ! command -v uv &> /dev/null; then
     exit 1
 fi
 
+if ! command -v go &> /dev/null; then
+    echo -e "${RED}Error: Go is not installed${NC}"
+    echo "Go 1.24 or newer is required to build the Bubble Tea TUI."
+    exit 1
+fi
+
 echo -e "\n${BLUE}Installing dependencies...${NC}"
 uv sync --frozen
 
@@ -48,6 +54,14 @@ echo -e "${YELLOW}Version:${NC} $VERSION"
 echo -e "\n${BLUE}Cleaning previous builds...${NC}"
 rm -rf build/ dist/
 
+echo -e "\n${BLUE}Building Bubble Tea sidecar...${NC}"
+TUI_BINARY="build/sidecar/strix-tui"
+if [ "$OS_NAME" = "windows" ]; then
+    TUI_BINARY="${TUI_BINARY}.exe"
+fi
+mkdir -p build/sidecar
+(cd strix/interface/tui && CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o "../../../$TUI_BINARY" ./cmd/strix-tui)
+
 echo -e "\n${BLUE}Building binary with PyInstaller...${NC}"
 uv run pyinstaller strix.spec --noconfirm
 

scripts/tui_sidecar_hook.py

@@ -0,0 +1,58 @@
+"""Hatchling build hook that compiles and bundles the Go TUI sidecar."""
+
+from __future__ import annotations
+
+import os
+import shutil
+import subprocess
+import sysconfig
+from pathlib import Path
+from typing import Any
+
+from hatchling.builders.hooks.plugin.interface import BuildHookInterface
+
+
+class CustomBuildHook(BuildHookInterface[Any]):
+    """Compile the Bubble Tea sidecar and ship it inside the wheel.
+
+    The sidecar is the only interactive interface, so every wheel is a
+    platform wheel and a missing Go toolchain is a build failure.
+    """
+
+    def initialize(self, version: str, build_data: dict[str, Any]) -> None:
+        # Editable installs run from the checkout, where the TUI is started
+        # with ``go run``; there is nothing to bundle.
+        if version == "editable":
+            return
+
+        root = Path(self.root)
+        executable = "strix-tui.exe" if os.name == "nt" else "strix-tui"
+        output = root / "build" / "sidecar" / executable
+        output.parent.mkdir(parents=True, exist_ok=True)
+
+        go = shutil.which("go")
+        if go is None:
+            raise RuntimeError("Go 1.24 or newer is required to build the Bubble Tea TUI")
+        env = os.environ.copy()
+        env["CGO_ENABLED"] = "0"
+        subprocess.run(  # noqa: S603 - fixed build command using the resolved Go binary
+            [
+                go,
+                "build",
+                "-trimpath",
+                "-ldflags=-s -w",
+                "-o",
+                str(output),
+                "./cmd/strix-tui",
+            ],
+            cwd=root / "strix" / "interface" / "tui",
+            env=env,
+            check=True,
+        )
+
+        build_data["force_include"][str(output)] = f"strix/bin/{executable}"
+        build_data["pure_python"] = False
+        platform_tag = os.environ.get("STRIX_WHEEL_PLATFORM_TAG")
+        if not platform_tag:
+            platform_tag = sysconfig.get_platform().replace("-", "_").replace(".", "_")
+        build_data["tag"] = f"py3-none-{platform_tag}"