fix: contenido visible en ingles + cuadro del menu alineado

- Traduccion completa del contenido visible a ingles: doctor.sh (14 cadenas), menu.sh (MENU_OPTS, footer, error), uninstall.sh (9 cadenas), neo_apt.sh (2 cadenas), main.sh (2 cadenas), setup_ubuntu.sh (1 cadena), label [AVISO]->[WARNING] en common.sh
- Comentarios en español de los archivos nuevos a ingles (consistencia con el codebase)
- Cuadro del menu alineado: pad 36->38 (medicion exacta: bordes y header 48, opciones 46 — delta 2; todas las lineas del cuadro miden ahora 48)
- Verificado: medicion 10/10 lineas a 48, 0 espanol visible, bash -n en los 7 archivos, doctor en ingles TODO OK exit=0

core/doctor.sh

@@ -1,70 +1,71 @@
 #!/bin/bash
 # ------------------------------------------------------------------------------
-# doctor: verificacion post-instalacion (sin root requerido).
-# Sourced por main.sh (subcomando doctor) y por el menu.
-# Salida con print_* de common.sh; exit code = numero de checks con fallo.
+# doctor: post-installation verification (no root required).
+# Sourced by main.sh (doctor subcommand) and by the menu.
+# Output with print_* from common.sh; exit code = number of failed checks.
 # ------------------------------------------------------------------------------
 
 run_doctor_checks() {
-    print_step "Doctor: verificando la instalacion de OpenVINO..."
+    print_step "Doctor: verifying OpenVINO installation..."
     local fails=0
 
-    # 1. Symlink estable
+    # 1. Stable symlink
     if [ -L /opt/intel/openvino_2026 ]; then
         print_substep "Symlink OK: /opt/intel/openvino_2026 -> $(readlink /opt/intel/openvino_2026)"
     else
-        print_error "Falta el symlink /opt/intel/openvino_2026 (¿la instalacion no se realizo?)"
+        print_error "Missing symlink /opt/intel/openvino_2026 (was the installation performed?)"
         fails=$((fails+1))
     fi
 
-    # 2. Version instalada
+    # 2. Installed version
     if [ -f /opt/intel/openvino_2026/runtime/version.txt ]; then
-        print_substep "Version instalada: $(cat /opt/intel/openvino_2026/runtime/version.txt)"
+        print_substep "Installed version: $(cat /opt/intel/openvino_2026/runtime/version.txt)"
     else
-        print_error "No se encontro runtime/version.txt"
+        print_error "runtime/version.txt not found"
         fails=$((fails+1))
     fi
 
-    # 3. OpenCL (clinfo)
+    # 3. OpenCL (clinfo) — capture first (clinfo output is large; grep -q would
+    # SIGPIPE-kill the pipe and report a false negative under pipefail)
     if command -v clinfo >/dev/null 2>&1; then
         CLINFO_OUT=$(clinfo 2>/dev/null || true)   # clinfo exits !=0 when no devices
         if [[ "${CLINFO_OUT^^}" == *"DEVICE NAME"* ]]; then
-            print_substep "OpenCL OK (dispositivo detectado)"
+            print_substep "OpenCL OK (device detected)"
         else
-            print_warning "clinfo no detecta dispositivo (¿falta el driver NEO o los grupos render/video?)"
+            print_warning "clinfo does not detect a device (missing NEO driver or render/video groups?)"
             fails=$((fails+1))
         fi
     else
-        print_warning "clinfo no esta instalado"
+        print_warning "clinfo is not installed"
         fails=$((fails+1))
     fi
 
-    # 4. VAAPI (vainfo)
+    # 4. VAAPI (vainfo) — same capture-first pattern (consistency + latent SIGPIPE)
     if command -v vainfo >/dev/null 2>&1; then
         VAINFO_OUT=$(vainfo 2>/dev/null || true)
         if [[ "${VAINFO_OUT^^}" == *"DRIVER VERSION"* ]]; then
-            print_substep "VAAPI OK (driver cargado)"
+            print_substep "VAAPI OK (driver loaded)"
         else
-            print_warning "vainfo no carga driver (¿falta intel-media-va-driver?)"
+            print_warning "vainfo does not load a driver (missing intel-media-va-driver?)"
             fails=$((fails+1))
         fi
     else
-        print_warning "vainfo no esta instalado"
+        print_warning "vainfo is not installed"
         fails=$((fails+1))
     fi
 
-    # 5. Grupos render/video
+    # 5. render/video groups
     if id -Gn 2>/dev/null | grep -qw render && id -Gn 2>/dev/null | grep -qw video; then
-        print_substep "Grupos OK: el usuario esta en render y video"
+        print_substep "Groups OK: user is in render and video"
     else
-        print_warning "El usuario NO esta en los grupos render/video (reinicia la sesion tras instalar)"
+        print_warning "User is NOT in the render/video groups (restart your session after installing)"
         fails=$((fails+1))
     fi
 
     if [ "$fails" -eq 0 ]; then
-        print_substep "Doctor: TODO OK"
+        print_substep "Doctor: ALL OK"
     else
-        print_warning "Doctor: $fails check(s) con avisos o fallos"
+        print_warning "Doctor: $fails check(s) with warnings or failures"
     fi
     return "$fails"
 }