fix: Set temperature and top-probability via config?

README.md

@@ -375,6 +375,10 @@ CACHE_PATH=/tmp/shell_gpt/cache
 REQUEST_TIMEOUT=60
 # Default OpenAI model to use.
 DEFAULT_MODEL=gpt-5.4-mini
+# Default randomness of generated output.
+DEFAULT_TEMPERATURE=0.0
+# Default nucleus sampling probability.
+DEFAULT_TOP_P=1.0
 # Default color for shell and code completions.
 DEFAULT_COLOR=magenta
 # When in --shell mode, default to "Y" for no input.

sgpt/app.py

@@ -41,7 +41,7 @@ def main(
         help="Randomness of generated output.",
     ),
     top_p: float = typer.Option(
-        1.0,
+        cfg.get("DEFAULT_TOP_P"),
         min=0.0,
         max=1.0,
         help="Limits highest probable tokens (words).",

sgpt/config.py

@@ -23,7 +23,8 @@
     "CACHE_LENGTH": int(os.getenv("CHAT_CACHE_LENGTH", "100")),
     "REQUEST_TIMEOUT": int(os.getenv("REQUEST_TIMEOUT", "60")),
     "DEFAULT_MODEL": os.getenv("DEFAULT_MODEL", "gpt-5.4-mini"),
-    "DEFAULT_TEMPERATURE": os.getenv("DEFAULT_TEMPERATURE", 0.0),
+    "DEFAULT_TEMPERATURE": os.getenv("DEFAULT_TEMPERATURE", "0.0"),
+    "DEFAULT_TOP_P": os.getenv("DEFAULT_TOP_P", "1.0"),
     "DEFAULT_COLOR": os.getenv("DEFAULT_COLOR", "magenta"),
     "ROLE_STORAGE_PATH": os.getenv("ROLE_STORAGE_PATH", str(ROLE_STORAGE_PATH)),
     "DEFAULT_EXECUTE_SHELL_CMD": os.getenv("DEFAULT_EXECUTE_SHELL_CMD", "false"),

tests/test_config_defaults.py

@@ -0,0 +1,35 @@
+import os
+import subprocess
+import sys
+
+
+def test_llm_defaults_from_config(tmp_path):
+    config_folder = tmp_path / ".config" / "shell_gpt"
+    config_folder.mkdir(parents=True)
+    config_path = config_folder / ".sgptrc"
+    config_path.write_text(
+        "OPENAI_API_KEY=test\n"
+        "DEFAULT_TEMPERATURE=0.7\n"
+        "DEFAULT_TOP_P=0.8\n",
+        encoding="utf-8",
+    )
+
+    env = os.environ.copy()
+    env["HOME"] = str(tmp_path)
+    env["USERPROFILE"] = str(tmp_path)
+    env.pop("DEFAULT_TEMPERATURE", None)
+    env.pop("DEFAULT_TOP_P", None)
+
+    result = subprocess.run(
+        [sys.executable, "-m", "sgpt", "--help"],
+        env=env,
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+
+    assert result.returncode == 0
+    assert "--temperature" in result.stdout
+    assert "default: 0.7" in result.stdout
+    assert "--top-p" in result.stdout
+    assert "default: 0.8" in result.stdout