fix: expose param override audits for sensitive message fields

relay/common/override.go

@@ -26,13 +26,20 @@ const (
 
 var errSourceHeaderNotFound = errors.New("source header does not exist")
 
-var paramOverrideKeyAuditPaths = map[string]struct{}{
-	"model":          {},
-	"original_model": {},
-	"upstream_model": {},
-	"service_tier":   {},
-	"inference_geo":  {},
-	"speed":          {},
+var paramOverrideSensitivePathPrefixes = []string{
+	"model",
+	"original_model",
+	"upstream_model",
+	"service_tier",
+	"inference_geo",
+	"speed",
+	"messages",
+	"input",
+	"instructions",
+	"system",
+	"contents",
+	"systemInstruction",
+	"system_instruction",
 }
 
 type paramOverrideAuditRecorder struct {
@@ -206,6 +213,7 @@ func shouldEnableParamOverrideAudit(paramOverride map[string]interface{}) bool {
 	if operations, ok := tryParseOperations(paramOverride); ok {
 		for _, operation := range operations {
 			if shouldAuditParamPath(strings.TrimSpace(operation.Path)) ||
+				shouldAuditParamPath(strings.TrimSpace(operation.From)) ||
 				shouldAuditParamPath(strings.TrimSpace(operation.To)) {
 				return true
 			}
@@ -255,15 +263,19 @@ func shouldAuditParamPath(path string) bool {
 	if common.DebugEnabled {
 		return true
 	}
-	_, ok := paramOverrideKeyAuditPaths[path]
-	return ok
+	for _, prefix := range paramOverrideSensitivePathPrefixes {
+		if path == prefix || strings.HasPrefix(path, prefix+".") {
+			return true
+		}
+	}
+	return false
 }
 
 func shouldAuditOperation(mode, path, from, to string) bool {
 	if common.DebugEnabled {
 		return true
 	}
-	for _, candidate := range []string{path, to} {
+	for _, candidate := range []string{path, from, to} {
 		if shouldAuditParamPath(candidate) {
 			return true
 		}

relay/common/override_test.go

@@ -12,6 +12,7 @@ import (
 	"github.com/QuantumNous/new-api/dto"
 	"github.com/QuantumNous/new-api/setting/model_setting"
 	"github.com/samber/lo"
+	"github.com/stretchr/testify/require"
 )
 
 func TestApplyParamOverrideTrimPrefix(t *testing.T) {
@@ -2184,6 +2185,95 @@ func TestApplyParamOverrideWithRelayInfoRecordsOnlyKeyOperationsWhenDebugDisable
 	}
 }
 
+func TestApplyParamOverrideWithRelayInfoRecordsConversationBodyOperationsWhenDebugDisabled(t *testing.T) {
+	originalDebugEnabled := common2.DebugEnabled
+	common2.DebugEnabled = false
+	t.Cleanup(func() {
+		common2.DebugEnabled = originalDebugEnabled
+	})
+
+	info := &RelayInfo{
+		ChannelMeta: &ChannelMeta{
+			ParamOverride: map[string]interface{}{
+				"operations": []interface{}{
+					map[string]interface{}{
+						"mode": "replace",
+						"path": "messages.0.content",
+						"from": "hello",
+						"to":   "hi",
+					},
+					map[string]interface{}{
+						"mode":  "set",
+						"path":  "input.0.content.0.text",
+						"value": "rewritten response input",
+					},
+					map[string]interface{}{
+						"mode":  "set",
+						"path":  "instructions",
+						"value": "new instruction",
+					},
+					map[string]interface{}{
+						"mode":  "append",
+						"path":  "contents.0.parts",
+						"value": map[string]interface{}{"text": "new gemini part"},
+					},
+					map[string]interface{}{
+						"mode": "copy",
+						"from": "system",
+						"to":   "metadata.system_copy",
+					},
+					map[string]interface{}{
+						"mode":  "set",
+						"path":  "temperature",
+						"value": 0.1,
+					},
+				},
+			},
+		},
+	}
+
+	out, err := ApplyParamOverrideWithRelayInfo([]byte(`{
+		"messages":[{"role":"user","content":"hello world"}],
+		"input":[{"role":"user","content":[{"type":"input_text","text":"original response input"}]}],
+		"instructions":"old instruction",
+		"system":"old system",
+		"contents":[{"role":"user","parts":[{"text":"hello gemini"}]}],
+		"temperature":0.7
+	}`), info)
+	require.NoError(t, err)
+	assertJSONEqual(t, `{
+		"messages":[{"role":"user","content":"hi world"}],
+		"input":[{"role":"user","content":[{"type":"input_text","text":"rewritten response input"}]}],
+		"instructions":"new instruction",
+		"system":"old system",
+		"contents":[{"role":"user","parts":[{"text":"hello gemini"},{"text":"new gemini part"}]}],
+		"temperature":0.1,
+		"metadata":{"system_copy":"old system"}
+	}`, string(out))
+
+	require.Equal(t, []string{
+		"replace messages.0.content from hello to hi",
+		"set input.0.content.0.text = rewritten response input",
+		"set instructions = new instruction",
+		"append contents.0.parts with {\"text\":\"new gemini part\"}",
+		"copy system -> metadata.system_copy",
+	}, info.ParamOverrideAudit)
+}
+
+func TestShouldAuditParamPathUsesFieldBoundaryPrefixMatching(t *testing.T) {
+	originalDebugEnabled := common2.DebugEnabled
+	common2.DebugEnabled = false
+	t.Cleanup(func() {
+		common2.DebugEnabled = originalDebugEnabled
+	})
+
+	require.True(t, shouldAuditParamPath("messages"))
+	require.True(t, shouldAuditParamPath("messages.0.content"))
+	require.True(t, shouldAuditParamPath("systemInstruction.parts.0.text"))
+	require.False(t, shouldAuditParamPath("model_name"))
+	require.False(t, shouldAuditParamPath("message"))
+}
+
 func assertJSONEqual(t *testing.T, want, got string) {
 	t.Helper()
 

web/default/src/features/usage-logs/components/dialogs/details-dialog.tsx

@@ -985,9 +985,8 @@ export function DetailsDialog(props: DetailsDialogProps) {
               </DetailSection>
             )}
 
-            {/* Param override (admin only) */}
-            {props.isAdmin &&
-              other?.po &&
+            {/* Param override */}
+            {other?.po &&
               Array.isArray(other.po) &&
               other.po.length > 0 && (
                 <DetailSection