sequenceDiagram
    title Stream — Recherche directe (type "known"/"partner") : Pair A → Pair B

    participant AppA as App Pair A
    participant NATSA as NATS A
    participant NodeA as Node A
    participant PubSubA as PubSubService A
    participant StreamA as StreamService A
    participant DBA as DB Pair A (oc-lib)
    participant NodeB as Node B
    participant StreamB as StreamService B
    participant DBB as DB Pair B (oc-lib)

    AppA->>NATSA: Publish(PROPALGATION_EVENT, {PB_SEARCH, type:"partner", search:"gpu"})
    NATSA->>NodeA: ListenNATS → PB_SEARCH (type "partner")
    NodeA->>PubSubA: SearchPublishEvent(ctx, dt, "partner", user, "gpu")

    PubSubA->>StreamA: SearchPartnersPublishEvent(dt, user, "gpu")
    StreamA->>DBA: Search(PEER, PARTNER) + PeerIDS config
    DBA-->>StreamA: [Peer B, ...]

    loop Pour chaque pair partenaire (Pair B)
        StreamA->>StreamA: json.Marshal({search:"gpu"}) → payload
        StreamA->>StreamA: write(PeerID_B, addr_B, dt, user, payload, ProtocolSearchResource)
        StreamA->>NodeB: TempStream /opencloud/resource/search/1.0
        StreamA->>NodeB: json.Encode(Event{Type:search, From:DID_A, DataType, Payload:{search:"gpu"}})

        NodeB->>StreamB: HandleResponse(stream) → readLoop
        StreamB->>StreamB: handleEvent(ProtocolSearchResource, evt)
        StreamB->>StreamB: handleEventFromPartner(evt, ProtocolSearchResource)

        alt evt.DataType == -1 (toutes ressources)
            StreamB->>DBA: Search(PEER, evt.From=DID_A)
            Note over StreamB: Résolution locale ou via GetPeerRecord
            StreamB->>StreamB: SendResponse(Peer A, evt)
            StreamB->>DBB: Search(ALL_RESOURCES, filter{creator=B + public OR partner A + search:"gpu"})
            DBB-->>StreamB: [Resource1, Resource2, ...]
        else evt.DataType spécifié
            StreamB->>DBB: Search(DataType, filter{creator=B + access + search:"gpu"})
            DBB-->>StreamB: [Resource1, ...]
        end

        loop Pour chaque ressource
            StreamB->>StreamA: write(PeerID_A, addr_A, dt, resource JSON, ProtocolSearchResource)
            StreamA->>StreamA: readLoop → handleEvent(ProtocolSearchResource, evt)
            StreamA->>StreamA: retrieveResponse(evt)
            StreamA->>NATSA: SetNATSPub(SEARCH_EVENT, {DataType, resource JSON})
            NATSA->>AppA: Résultat de Pair B
        end
    end

    Note over NATSA,DBA: Optionnel: App A persiste<br/>les ressources découvertes dans DB A