chore(i18n): finish translating code comments and scripts to English

Completes the English-only standardization for code, comments, scripts
and CI templates (UI/CLI-facing strings stay bilingual pt-BR/en,
untouched). Covers the remaining crates/, apps/gui/ui/ and
apps/gui/src-tauri/ comments, .gitea/ workflow and template comments,
.githooks/ hooks, and the scripts/ source comments for the files
already renamed in a prior commit (check.sh, generate-logo.py,
install-hooks.sh).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VAyr8d7HuAdUGB6aA5xmDD

apps/gui/src-tauri/Cargo.toml

@@ -1,8 +1,8 @@
-# Aplicativo desktop (Tauri 2). Fica fora do workspace principal porque exige
-# as bibliotecas de WebView do sistema (WebKitGTK no Linux).
+# Desktop application (Tauri 2). Kept outside the main workspace because it
+# requires system WebView libraries (WebKitGTK on Linux).
 [package]
 name = "guara-gui"
-description = "Guará: interface gráfica de recuperação de arquivos"
+description = "Guará: graphical file recovery interface"
 version = "1.3.2"
 edition = "2021"
 license = "MIT OR Apache-2.0"