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af5c130836
Previously, setting prompt_file on a Crew had no effect on agents, tasks, tools, or any other components. The custom I18N instance was only used for the manager agent's role/goal/backstory in hierarchical mode, while all other code used the hardcoded I18N_DEFAULT singleton. This fix introduces a contextvars-based mechanism that scopes a custom I18N instance to the crew's execution: - Added get_crew_i18n() / set_crew_i18n() / reset_crew_i18n() to i18n.py using a ContextVar for thread-safe crew-scoped I18N overrides - prepare_kickoff() now sets the crew's I18N when prompt_file is provided - Crew.kickoff() resets the I18N context in its finally block (even on errors) - Replaced all I18N_DEFAULT references with get_crew_i18n() calls across 29 source files so every component (Prompts, Task, agent tools, tool usage, memory, reasoning, etc.) respects the crew's prompt_file Added 12 new tests covering: - Context variable set/get/reset/nesting behavior - Prompts class using custom I18N - Task.prompt() using custom I18N - AgentTools delegation tools using custom I18N - Full Crew.kickoff() integration (sets context, resets on success/exception) Co-Authored-By: João <joao@crewai.com>