Attempt build fix to allow running from git.

pyproject.toml

@@ -38,6 +38,13 @@ only-packages = true
 [tool.hatch.build.targets.sdist.hooks.custom]
 path = "scripts/fastapi-vue/build-frontend.py"
 
+[tool.hatch.build.targets.sdist.force-include]
+"scripts/fastapi-vue/build-frontend.py" = "scripts/fastapi-vue/build-frontend.py"
+"scripts/fastapi-vue/buildutil.py" = "scripts/fastapi-vue/buildutil.py"
+
+[tool.hatch.build.targets.wheel.hooks.custom]
+path = "scripts/fastapi-vue/build-frontend.py"
+
 [tool.uv]
 package = true
 

scripts/fastapi-vue/build-frontend.py

@@ -14,4 +14,21 @@ from buildutil import build
 class CustomBuildHook(BuildHookInterface):
     def initialize(self, version, build_data) -> None:
         super().initialize(version, build_data)
-        build("frontend")
+        root = Path(self.root)
+        frontend_src = root / "frontend"
+        frontend_build = root / "mediahive" / "frontend-build"
+
+        # When building a wheel from sdist, frontend sources may be omitted
+        # while prebuilt assets are already present in mediahive/frontend-build.
+        if frontend_src.exists():
+            build(str(frontend_src))
+            return
+
+        if frontend_build.exists():
+            return
+
+        msg = (
+            "Frontend build is missing. Expected either source directory "
+            f"'{frontend_src}' or prebuilt assets in '{frontend_build}'."
+        )
+        raise RuntimeError(msg)