Use a wheel build.

scripts/create-zipapp.py

@@ -14,7 +14,7 @@ def main() -> Any:
     locked_requirements = work_dir / "requirements.txt"
 
     subprocess.run(
-        args=["uv", "-q", "export", "--no-editable", "--no-dev", "-o", locked_requirements],
+        args=["uv", "-q", "export", "--no-dev", "--no-emit-project", "-o", locked_requirements],
         check=True,
     )
     subprocess.run(
@@ -31,13 +31,30 @@ def main() -> Any:
         check=True,
     )
 
+    wheels = work_dir / "wheels"
+    subprocess.run(args=["uv", "-q", "build", "--wheel", "-o", wheels], check=True)
+    subprocess.run(
+        args=[
+            "uv",
+            "-q",
+            "pip",
+            "install",
+            "--target",
+            site_packages_dir,
+            "--no-deps",
+            *wheels.glob("*.whl"),
+        ],
+        check=True,
+    )
+
     # Science runs in a scie that carries its own interpreter; so pins to a single major/minor for
     # development that matches prod; as such, we can just take the ambient interpreter major/minor
     # and know it matches the project Requires-Python.
     python = f"python{sys.version_info[0]}.{sys.version_info[1]}"
 
     dest = Path("dist") / "science.pyz"
     dest.parent.mkdir(exist_ok=True)
+    dest.unlink(missing_ok=True)
     return subprocess.call(
         args=[
             "shiv",