Module i18n 

Bilingual internationalisation (EN/PT-BR) for user-facing messages.

Language resolution order:

1. CLI flag --lang en|pt
2. Environment variable CONTEXT7_LANG
3. sys_locale::get_locale() — locale starting with "pt" → Portuguese
4. Default: English

Call set_language once at startup (in run()), then call current_language or t anywhere to retrieve localised strings.

Enums

Language

Supported display languages.

Message

All user-facing messages indexed by variant.

Functions

current_language

Returns the currently configured language.

resolve_language

Resolves the language from CLI flag, env var, or system locale.

set_language

Sets the global language. Silently ignored if already set (OnceLock semantics).

t

Returns the localised string for a message in the current language.