fix(redfish): narrow MSI PCIeFunctions crawl

internal/collector/redfish_replay.go

@@ -1244,6 +1244,15 @@ func (r redfishSnapshotReader) getLinkedPCIeFunctions(doc map[string]interface{}
 			}
 			return out
 		}
+		if ref, ok := links["PCIeFunction"].(map[string]interface{}); ok {
+			memberPath := asString(ref["@odata.id"])
+			if memberPath != "" {
+				memberDoc, err := r.getJSON(memberPath)
+				if err == nil {
+					return []map[string]interface{}{memberDoc}
+				}
+			}
+		}
 	}
 	if pcieFunctions, ok := doc["PCIeFunctions"].(map[string]interface{}); ok {
 		if collectionPath := asString(pcieFunctions["@odata.id"]); collectionPath != "" {
@@ -1256,6 +1265,33 @@ func (r redfishSnapshotReader) getLinkedPCIeFunctions(doc map[string]interface{}
 	return nil
 }
 
+func dedupeJSONDocsByPath(docs []map[string]interface{}) []map[string]interface{} {
+	if len(docs) == 0 {
+		return nil
+	}
+	seen := make(map[string]struct{}, len(docs))
+	out := make([]map[string]interface{}, 0, len(docs))
+	for _, doc := range docs {
+		if len(doc) == 0 {
+			continue
+		}
+		key := normalizeRedfishPath(asString(doc["@odata.id"]))
+		if key == "" {
+			payload, err := json.Marshal(doc)
+			if err != nil {
+				continue
+			}
+			key = string(payload)
+		}
+		if _, ok := seen[key]; ok {
+			continue
+		}
+		seen[key] = struct{}{}
+		out = append(out, doc)
+	}
+	return out
+}
+
 func (r redfishSnapshotReader) getLinkedSupplementalDocs(doc map[string]interface{}, keys ...string) []map[string]interface{} {
 	if len(doc) == 0 || len(keys) == 0 {
 		return nil