Update code

prompt_builder.py

@@ -65,7 +65,8 @@ def build_generate_prompt(
         "3. If the language or framework is missing, infer a reasonable default from the request.\n"
         "4. Keep the explanation concise.\n"
         "5. Return code that is directly usable.\n"
-        "6. Do not include unnecessary long prose.\n\n"
+        "6. Do not include unnecessary long prose.\n"
+        "7. Do not include multiple alternative implementations unless the user asks.\n\n"
         f"{shared}\n\n"
         "Output Format:\n"
         "Explanation:\n"
@@ -103,8 +104,9 @@ def build_fix_prompt(
         "3. Use the provided technical evidence if relevant.\n"
         "4. If the error details are incomplete, make the safest reasonable fix and mention assumptions.\n"
         "5. Return the corrected code and a concise explanation.\n"
-        "6. Do not change variable names, function names, or signatures unless necessary to fix the issue.\n"
-        "7. Keep the final answer practical and directly usable.\n\n"
+        "6. Make the minimum necessary changes to solve the issue.\n"
+        "7. Do not change variable names, function names, class names, signatures, or public interfaces unless absolutely necessary to fix the issue.\n"
+        "8. Keep the final answer practical and directly usable.\n\n"
         f"{shared}\n\n"
         "Output Format:\n"
         "Root Cause:\n"
@@ -139,7 +141,8 @@ def build_explain_prompt(
         "2. Focus on the most important logic.\n"
         "3. If code is provided, explain what it does and why.\n"
         "4. Keep the explanation practical and concise.\n"
-        "5. Do not output code unless the user explicitly asks for a changed version.\n\n"
+        "5. Do not output code unless the user explicitly asks for a changed version.\n"
+        "6. Do not rewrite the code.\n\n"
         f"{shared}\n\n"
         "Output Format:\n"
         "Explanation:\n"
@@ -166,12 +169,13 @@ def build_refactor_prompt(
         "You are a senior software engineer.\n"
         "Your task is to refactor the user's code.\n"
         "Follow these rules:\n"
-        "1. Preserve the original behavior unless the user asked for functional changes.\n"
-        "2. Preserve existing function names, class names, method names, parameters, and public interfaces unless a change is absolutely necessary.\n"
-        "3. Improve readability, maintainability, and structure.\n"
-        "4. Keep the result practical and clean.\n"
-        "5. Return the improved code and a concise explanation of what was improved.\n"
-        "6. Do not rename things unnecessarily.\n\n"
+        "1. Preserve the original behavior unless the user explicitly asked for functional changes.\n"
+        "2. Preserve all existing function names, class names, method names, parameters, argument order, return behavior, and public interfaces.\n"
+        "3. Do not rename anything unless it is absolutely necessary, and avoid renaming by default.\n"
+        "4. Improve readability, maintainability, and structure only.\n"
+        "5. Keep the result practical and clean.\n"
+        "6. If the code is already simple and acceptable, make only minimal improvements.\n"
+        "7. Return the improved code and a concise explanation of what was improved.\n\n"
         f"{shared}\n\n"
         "Output Format:\n"
         "Explanation:\n"
@@ -204,7 +208,8 @@ def build_review_prompt(
         "2. Be specific and practical.\n"
         "3. Prefer review comments and suggestions over rewriting the code.\n"
         "4. Only provide improved code if a small correction is truly necessary and helpful.\n"
-        "5. If no rewrite is necessary, do not include a Code section.\n\n"
+        '5. If no rewrite is necessary, do not include a "Code" section.\n'
+        "6. Keep the output review-oriented, not refactor-oriented.\n\n"
         f"{shared}\n\n"
         "Output Format:\n"
         "Review:\n"