Ensure texts are marked for translation/internationalization

[Copilot]

O que esse PR faz?

Marca textos que estavam hardcoded para tradução/internacionalização usando _() em Python e {% trans %} em templates, e adiciona traduções para pt_BR, es e en.

Python (_()):

• wagtail_hooks.py — 7 menu_label sem _() em 4 apps (journal, core, institution, location)
• models.py — ~20 strings (verbose_name, help_text, field labels) em 9 apps
• choices.py — OA_STATUS, COINS (journal), regions (location)

Templates ({% trans %}):

• Error pages: 403.html, 404.html, 500.html
• search/search.html, users/user_form.html, users/user_detail.html
• home/about_scielo_org_page.html, home/scieloorg/tabs.html

Locale:

• makemessages --all para atualizar .po com novos termos
• Traduções completas para pt_BR, es e en
• .mo compilados

Onde a revisão poderia começar?

journal/wagtail_hooks.py e journal/choices.py — exemplificam o padrão aplicado nos demais arquivos.

Como este poderia ser testado manualmente?

1. Iniciar o servidor com LANGUAGE_CODE = "en" e verificar que os menus do Wagtail admin exibem os labels em inglês (ex: "List of codes", "Indexed At Upload")
2. Acessar /404 e confirmar que o texto aparece traduzido conforme o idioma ativo
3. Alternar idioma para es ou pt-br e verificar que as páginas de erro, busca e formulários de usuário exibem textos traduzidos

Algum cenário de contexto que queira dar?

Exemplo de antes/depois:

# Antes
menu_label = "AM Journal"
help_text = "Dia de publicação no site."

# Depois
menu_label = _("AM Journal")
help_text = _("Dia de publicação no site.")

<!-- Antes -->
<h1>Page not found</h1>

<!-- Depois -->
{% load i18n %}
<h1>{% trans "Page not found" %}</h1>

Screenshots

N/A — mudanças apenas em marcação i18n, sem alteração visual no idioma padrão (pt-br).

Quais são tickets relevantes?

N/A

Referências

• Django i18n docs
• Wagtail i18n

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Garanta que o textos estejam marcados para tradução / internacionalização</issue_title>
<issue_description>### Descrição da tarefa
Garanta que o textos estejam marcados para tradução / internacionalização, seja com _() ou {%trans}.

Subtarefas

• Adicione as marcas de tradução no código python
• Adicione as marcas de tradução nos templates html
• Adicione novos termos nos arquivos locale//.po
• Complete as traduções</issue_description>

<agent_instructions>realize commits atômicos</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes Garanta que o textos estejam marcados para tradução / internacionalização #1393

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Pull request overview

This PR standardizes internationalization across the Django/Wagtail project by marking previously hardcoded UI strings for translation (Python _() and Django templates {% trans %}) and updating compiled locale catalogs for pt_BR, es, and en.

Changes:

• Wrapped Wagtail admin menu labels, model verbose_name/help_text, and choice labels with gettext_lazy (_()).
• Added {% load i18n %} / {% trans %} in user-facing templates (error pages, search, user pages, SciELO.org pages).
• Updated compiled translation catalogs (django.mo) for en and es.

Reviewed changes

Copilot reviewed 23 out of 29 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
location/wagtail_hooks.py	Marks Wagtail snippet menu label for translation.
location/choices.py	Adds gettext_lazy and marks region labels for translation.
locale/es/LC_MESSAGES/django.mo	Updates compiled Spanish translations.
locale/en/LC_MESSAGES/django.mo	Updates compiled English translations.
journal/wagtail_hooks.py	Marks snippet menu labels for translation in the Journal admin area.
journal/models.py	Marks model verbose_name/verbose_name_plural for translation.
journal/choices.py	Marks OA status and currency choice labels for translation.
issue/models.py	Marks field help_text for translation.
institution/wagtail_hooks.py	Marks Wagtail ModelAdmin menu label for translation.
institution/models.py	Marks URL field label for translation.
doi/models.py	Marks M2M field verbose_name for translation.
core/wagtail_hooks.py	Marks Wagtail SnippetViewSetGroup menu label for translation.
core/users/models.py	Marks user name field verbose names for translation.
core/templates/users/user_form.html	Adds i18n tag library and translates submit button label.
core/templates/users/user_detail.html	Adds i18n tag library and translates page labels/buttons.
core/templates/search/search.html	Adds i18n tag library and translates search UI strings/pagination.
core/templates/home/scieloorg/tabs.html	Translates search input placeholder/aria-label.
core/templates/home/about_scielo_org_page.html	Translates search results and redirect UI strings.
core/templates/500.html	Translates 500 error page strings.
core/templates/404.html	Translates 404 error page strings.
core/templates/403.html	Translates 403 error page strings.
core/models.py	Marks VisualIdentityMixin URL label for translation.
core/home/models.py	Marks page verbose names/help_text/messages for translation.
book/models.py	Marks ISBN/DOI field labels for translation.
article/models.py	Marks publication date help_text strings for translation.

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