fix(glossary): resolve data loss for non-FR/EN languages, fix prompt injection reference notes, and classic mode label wording

services/glossary_service.py

@@ -122,6 +122,7 @@ def format_glossary_for_prompt(
     terms: List[Dict[str, str]],
     source_lang: str = "fr",
     target_lang: str = "en",
+    glossary_target_lang: str = "multi",
 ) -> str:
     """
     Format glossary terms for injection into an LLM system prompt.
@@ -135,6 +136,7 @@ def format_glossary_for_prompt(
         terms: List of dicts with 'source', 'target', and optional 'translations'
         source_lang: ISO code of the source language
         target_lang: ISO code of the target language
+        glossary_target_lang: ISO code of the glossary's target language configuration
 
     Returns:
         Formatted string for LLM prompt
@@ -166,8 +168,11 @@ def format_glossary_for_prompt(
         elif default_target:
             source_escaped = source.replace("'", "\\'")
             target_escaped = default_target.replace("'", "\\'")
-            lines.append(f"- '{source_escaped}' → '{target_escaped}' (EN reference, adapt to {target_lang})")
-            has_fallback = True
+            if glossary_target_lang == target_lang:
+                lines.append(f"- '{source_escaped}' → '{target_escaped}'")
+            else:
+                lines.append(f"- '{source_escaped}' → '{target_escaped}' (EN reference, adapt to {target_lang})")
+                has_fallback = True
         # If neither specific nor default, skip the term
 
     if not any(line.startswith("- ") for line in lines):
@@ -192,6 +197,7 @@ def build_full_prompt(
     glossary_terms: Optional[List[Dict[str, str]]],
     source_lang: str = "fr",
     target_lang: str = "en",
+    glossary_target_lang: str = "multi",
 ) -> str:
     """
     Build the complete prompt combining custom prompt and glossary.
@@ -201,6 +207,7 @@ def build_full_prompt(
         glossary_terms: Optional list of glossary terms
         source_lang: ISO code of the source language
         target_lang: ISO code of the target language
+        glossary_target_lang: ISO code of the glossary's target language configuration
 
     Returns:
         Combined prompt string
@@ -211,7 +218,9 @@ def build_full_prompt(
         parts.append(custom_prompt)
 
     if glossary_terms:
-        glossary_prompt = format_glossary_for_prompt(glossary_terms, source_lang, target_lang)
+        glossary_prompt = format_glossary_for_prompt(
+            glossary_terms, source_lang, target_lang, glossary_target_lang
+        )
         if glossary_prompt:
             parts.append(glossary_prompt)