fix: initialize locale before agent messages

Author: TJ Webb

code_puppy/cli_runner.py

@@ -22,7 +22,7 @@
 
 from code_puppy import __version__, callbacks, get_core_plugins_version, plugins
 from code_puppy.agents import get_current_agent
-from code_puppy.i18n import t
+from code_puppy.i18n import t, use_detected_locale
 from code_puppy.command_line.attachments import (
     parse_prompt_attachments,
     resolve_user_prompt,
@@ -1582,9 +1582,17 @@ def _force_utf8_stdio():
             pass
 
 
+def _initialize_locale():
+    """Select the UI locale before any startup message is translated."""
+    from code_puppy.config import get_value
+
+    use_detected_locale(get_value("locale"))
+
+
 def main_entry():
     """Entry point for the installed CLI tool."""
     _force_utf8_stdio()
+    _initialize_locale()
     try:
         # Capture main()'s return so plugins / normal paths set the exit status
         # (None → 0 or an int exit code).

tests/i18n/test_agent_manager_i18n.py

@@ -1,24 +1,13 @@
-"""Coverage for the agent manager's user-facing message extraction."""
+"""Catalog-level tests protect the agent manager's translation contract."""
 
 import re
 
-import pytest
-
 from code_puppy.i18n import catalog, pseudo, translate
 
 _PLACEHOLDER = re.compile(r"\{(\w+)\}")
 _NAMESPACE = "agent_manager."
 
 
-@pytest.fixture(autouse=True)
-def _reset_locale():
-    translate.set_locale("en-US")
-    catalog.reset()
-    yield
-    translate.set_locale("en-US")
-    catalog.reset()
-
-
 def _keys(locale="en-US"):
     return [key for key in catalog.load_catalog(locale) if key.startswith(_NAMESPACE)]
 
@@ -47,6 +36,14 @@ def test_catalog_translations_preserve_placeholders():
         assert source == set(_PLACEHOLDER.findall(catalogs["fr-CA"][key]))
 
 
+def test_environment_selected_locale_resolves_message(monkeypatch):
+    monkeypatch.setenv("CODE_PUPPY_LOCALE", "es")
+    translate.use_detected_locale()
+    assert "Agente" in translate.t(
+        "agent_manager.clone.source_not_found", agent_name="agent-x"
+    )
+
+
 def test_dynamic_values_are_interpolated():
     translate.set_locale("es")
     assert "agent-x" in translate.t(