diff --git a/pkg/config/config.go b/pkg/config/config.go
index 7a51236a1..004d860a4 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -904,26 +904,26 @@ func SaveConfig(path string, cfg *Config) error {
 func applyModelEnvOverrides(cfg *Config) {
 	// Maps provider prefix (from "provider/model" format) to env var name.
 	providerEnvMap := map[string]string{
-		"openai":              "OPENAI_API_KEY",
-		"anthropic":           "ANTHROPIC_API_KEY",
-		"anthropic-messages":  "ANTHROPIC_API_KEY",
-		"openrouter":          "OPENROUTER_API_KEY",
-		"groq":                "GROQ_API_KEY",
-		"gemini":              "GEMINI_API_KEY",
-		"google":              "GEMINI_API_KEY",
-		"deepseek":            "DEEPSEEK_API_KEY",
-		"zhipu":               "ZHIPU_API_KEY",
-		"moonshot":            "MOONSHOT_API_KEY",
-		"mistral":             "MISTRAL_API_KEY",
-		"cerebras":            "CEREBRAS_API_KEY",
-		"volcengine":          "VOLCENGINE_API_KEY",
-		"modelscope":          "MODELSCOPE_API_KEY",
-		"longcat":             "LONGCAT_API_KEY",
-		"nvidia":              "NVIDIA_API_KEY",
-		"perplexity":          "PERPLEXITY_API_KEY",
-		"avian":               "AVIAN_API_KEY",
-		"qwen-portal":         "QWEN_API_KEY",
-		"ollama":              "OLLAMA_API_KEY",
+		"openai":             "OPENAI_API_KEY",
+		"anthropic":          "ANTHROPIC_API_KEY",
+		"anthropic-messages": "ANTHROPIC_API_KEY",
+		"openrouter":         "OPENROUTER_API_KEY",
+		"groq":               "GROQ_API_KEY",
+		"gemini":             "GEMINI_API_KEY",
+		"google":             "GEMINI_API_KEY",
+		"deepseek":           "DEEPSEEK_API_KEY",
+		"zhipu":              "ZHIPU_API_KEY",
+		"moonshot":           "MOONSHOT_API_KEY",
+		"mistral":            "MISTRAL_API_KEY",
+		"cerebras":           "CEREBRAS_API_KEY",
+		"volcengine":         "VOLCENGINE_API_KEY",
+		"modelscope":         "MODELSCOPE_API_KEY",
+		"longcat":            "LONGCAT_API_KEY",
+		"nvidia":             "NVIDIA_API_KEY",
+		"perplexity":         "PERPLEXITY_API_KEY",
+		"avian":              "AVIAN_API_KEY",
+		"qwen-portal":        "QWEN_API_KEY",
+		"ollama":             "OLLAMA_API_KEY",
 	}
 	for i, m := range cfg.ModelList {
 		// Resolve ${VAR} references in sensitive/configurable fields first.
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
index f234b03f7..eecc7eea4 100644
--- a/pkg/config/config_test.go
+++ b/pkg/config/config_test.go
@@ -629,12 +629,12 @@ func TestResolveEnvRef(t *testing.T) {
 		input string
 		want  string
 	}{
-		{"${MY_SECRET}", "resolved-value"},          // set var → resolved
-		{"${UNSET_VAR_XYZ}", "${UNSET_VAR_XYZ}"},   // unset var → unchanged
-		{"literal-value", "literal-value"},           // no pattern → unchanged
+		{"${MY_SECRET}", "resolved-value"},             // set var → resolved
+		{"${UNSET_VAR_XYZ}", "${UNSET_VAR_XYZ}"},       // unset var → unchanged
+		{"literal-value", "literal-value"},             // no pattern → unchanged
 		{"prefix-${MY_SECRET}", "prefix-${MY_SECRET}"}, // partial → unchanged (no partial substitution)
 		{"${MY_SECRET}-suffix", "${MY_SECRET}-suffix"}, // partial → unchanged
-		{"${}", "${}"},                                // empty name → unchanged
+		{"${}", "${}"}, // empty name → unchanged
 	}
 
 	for _, tc := range tests {