tawasuyu/brahman

diff --git a/nohup.out b/nohup.out
index d47c5f7..23dff26 100644
--- a/nohup.out
+++ b/nohup.out
@@ -177,3 +177,4 @@ WARNING: Restricted methods will be blocked in a future release unless native ac
 (thunar:793578): thunar-WARNING **: 18:49:45.891: Thumbnailer Proxy Failed ... starting attempt to re-initialize
 
 (thunar:793578): thunar-WARNING **: 18:49:46.732: ThunarThumbnailer: failed to create proxy: Cannot autolaunch D-Bus without X11 $DISPLAY
+Gdk-Message: 05:42:34.451: Error reading events from display: Broken pipe
diff --git a/scripts/build-gioser-web.sh b/scripts/build-gioser-web.sh
new file mode 100755
index 0000000..3805775
--- /dev/null
+++ b/scripts/build-gioser-web.sh
@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+# build-gioser-web.sh — wrapper para compilar gioser-web a WASM
+# y generar los bindings JS via wasm-bindgen.
+#
+# Uso:
+#   ./scripts/build-gioser-web.sh [dev|release]   (default: release)
+#
+# Output:
+#   crates/apps/gioser-web/pkg/{gioser_web.js, gioser_web_bg.wasm, ...}
+
+set -euo pipefail
+
+MODE="${1:-release}"
+case "$MODE" in
+    dev)
+        PROFILE_FLAG=""
+        PROFILE_DIR="debug"
+        ;;
+    release)
+        PROFILE_FLAG="--release"
+        PROFILE_DIR="release"
+        ;;
+    *)
+        echo "Uso: $0 [dev|release]" >&2
+        exit 1
+        ;;
+esac
+
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$REPO_ROOT"
+
+# Sanity check: target wasm32-unknown-unknown disponible.
+if ! ls /usr/lib/rustlib/wasm32-unknown-unknown >/dev/null 2>&1 \
+   && ! (command -v rustup >/dev/null 2>&1 \
+         && rustup target list --installed 2>/dev/null | grep -q wasm32-unknown-unknown); then
+    echo "✗ falta el target wasm32-unknown-unknown" >&2
+    echo "  con rustup: rustup target add wasm32-unknown-unknown" >&2
+    echo "  en Artix/Arch suele venir con el paquete rust base" >&2
+    exit 1
+fi
+
+# Sanity check: wasm-bindgen-cli disponible.
+if ! command -v wasm-bindgen >/dev/null 2>&1; then
+    echo "✗ falta wasm-bindgen-cli" >&2
+    echo "  instalar con: cargo install wasm-bindgen-cli --version 0.2.99" >&2
+    echo "  (la versión debe coincidir con la del Cargo.lock — buscá la entrada"  >&2
+    echo "   [[package]] name = \"wasm-bindgen\")" >&2
+    exit 1
+fi
+
+echo "▶ cargo build $MODE → wasm32-unknown-unknown"
+cargo build $PROFILE_FLAG --target wasm32-unknown-unknown -p gioser-web
+
+WASM_IN="target/wasm32-unknown-unknown/$PROFILE_DIR/gioser_web.wasm"
+PKG_OUT="crates/apps/gioser-web/pkg"
+
+if [[ ! -f "$WASM_IN" ]]; then
+    echo "✗ no se generó $WASM_IN" >&2
+    exit 1
+fi
+
+echo "▶ wasm-bindgen → $PKG_OUT"
+mkdir -p "$PKG_OUT"
+wasm-bindgen "$WASM_IN" --out-dir "$PKG_OUT" --target web
+
+# Reporte de tamaños.
+WASM_OUT="$PKG_OUT/gioser_web_bg.wasm"
+if [[ -f "$WASM_OUT" ]]; then
+    size_bytes=$(stat -c%s "$WASM_OUT")
+    size_kib=$(( size_bytes / 1024 ))
+    if command -v gzip >/dev/null 2>&1; then
+        gz_bytes=$(gzip -c "$WASM_OUT" | wc -c)
+        gz_kib=$(( gz_bytes / 1024 ))
+        echo "✓ $WASM_OUT — ${size_kib} KiB (~${gz_kib} KiB gzipped)"
+    else
+        echo "✓ $WASM_OUT — ${size_kib} KiB"
+    fi
+fi
+
+echo ""
+echo "Para probarlo:"
+echo "  python3 -m http.server -d crates/apps/gioser-web 8080"
+echo "  → http://localhost:8080/"