Correct GH action error

Author: johnsamuelwrites

.github/workflows/deploy.yml

@@ -44,7 +44,7 @@ jobs:
           mkdir -p public/generated
           python -m multilingualprogramming compile src/automate_universel.ml > public/generated/automate_universel.py
           python -m multilingualprogramming build-wasm-bundle src/automate_packed_wasm.ml --out-dir public/generated/automate_packed
-          cp public/generated/automate_packed/host_shim.js public/generated/automate_packed/host_shim.mjs
+          python scripts/ensure_wasm_bundle.py public/generated/automate_packed
 
       - name: Verifier les artefacts de compilation
         run: |

.github/workflows/monitor-multilingual.yml

@@ -74,7 +74,7 @@ jobs:
           mkdir -p public/generated
           python -m multilingualprogramming compile src/automate_universel.ml > public/generated/automate_universel.py
           python -m multilingualprogramming build-wasm-bundle src/automate_packed_wasm.ml --out-dir public/generated/automate_packed
-          cp public/generated/automate_packed/host_shim.js public/generated/automate_packed/host_shim.mjs
+          python scripts/ensure_wasm_bundle.py public/generated/automate_packed
 
       - name: Verifier la syntaxe JavaScript
         run: |

scripts/build-stage4.ps1

@@ -9,6 +9,8 @@ $compiled | Out-File -Encoding utf8 public\generated\automate_universel.py
 
 multilingual build-wasm-bundle src\automate_packed_wasm.ml --out-dir public\generated\automate_packed
 if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
-Copy-Item -Force public\generated\automate_packed\host_shim.js public\generated\automate_packed\host_shim.mjs
+
+python scripts\ensure_wasm_bundle.py public\generated\automate_packed
+if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
 
 Write-Host "Stage 4 generated artifacts refreshed."

scripts/ensure_wasm_bundle.py

@@ -0,0 +1,79 @@
+"""Validate and finish the generated Multilingual WASM bundle."""
+
+from __future__ import annotations
+
+import argparse
+import shutil
+from pathlib import Path
+
+
+REQUIRED_FILES = (
+    "module.wasm",
+    "abi_manifest.json",
+    "host_shim.mjs",
+)
+
+
+def print_listing(out_dir: Path) -> None:
+    """Print a compact directory listing for CI logs."""
+    print(f"Generated bundle contents in {out_dir}:")
+    if not out_dir.exists():
+        print("  <missing directory>")
+        return
+    for path in sorted(out_dir.iterdir()):
+        if path.is_file():
+            print(f"  {path.name} ({path.stat().st_size} bytes)")
+        else:
+            print(f"  {path.name}/")
+
+
+def ensure_host_shim_mjs(out_dir: Path) -> None:
+    """Create the ESM host shim expected by the browser loader."""
+    js_path = out_dir / "host_shim.js"
+    mjs_path = out_dir / "host_shim.mjs"
+    if not mjs_path.exists() and js_path.exists():
+        shutil.copyfile(js_path, mjs_path)
+        print(f"Created {mjs_path} from {js_path}")
+
+
+def ensure_wasm_from_wat(out_dir: Path) -> None:
+    """Compile module.wat when a toolchain emits WAT but not WASM."""
+    wasm_path = out_dir / "module.wasm"
+    wat_path = out_dir / "module.wat"
+    if wasm_path.exists() or not wat_path.exists():
+        return
+
+    try:
+        from wasmtime import wat2wasm  # pylint: disable=import-outside-toplevel
+    except Exception as exc:  # pragma: no cover - only hit in CI dependency breakage
+        raise RuntimeError(
+            "module.wasm is missing and wasmtime.wat2wasm is unavailable"
+        ) from exc
+
+    wasm_path.write_bytes(wat2wasm(wat_path.read_text(encoding="utf-8")))
+    print(f"Created {wasm_path} from {wat_path}")
+
+
+def validate(out_dir: Path) -> None:
+    """Fail if the generated bundle is missing files consumed by the app."""
+    missing = [name for name in REQUIRED_FILES if not (out_dir / name).is_file()]
+    if missing:
+        print_listing(out_dir)
+        raise SystemExit(f"Missing generated WASM bundle file(s): {', '.join(missing)}")
+
+
+def main() -> None:
+    """Run bundle completion and validation."""
+    parser = argparse.ArgumentParser()
+    parser.add_argument("out_dir", type=Path)
+    args = parser.parse_args()
+
+    out_dir = args.out_dir
+    ensure_host_shim_mjs(out_dir)
+    ensure_wasm_from_wat(out_dir)
+    print_listing(out_dir)
+    validate(out_dir)
+
+
+if __name__ == "__main__":
+    main()