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docs/diagrams/02_node_claim.mmd

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+sequenceDiagram
+    title Node Claim — Pair A publie son PeerRecord (claimInfo + publishPeerRecord)
+
+    participant DBA as DB Pair A (oc-lib)
+    participant NodeA as Node A
+    participant IndexerA as Indexer (partagé)
+    participant DHT as DHT Kademlia
+    participant NATSA as NATS A
+
+    NodeA->>DBA: NewRequestAdmin(PEER).Search(SELF)
+    DBA-->>NodeA: existing peer (DID_A) ou nouveau UUID
+
+    NodeA->>NodeA: LoadKeyFromFilePrivate() → priv A
+    NodeA->>NodeA: LoadKeyFromFilePublic() → pub A
+    NodeA->>NodeA: crypto.MarshalPublicKey(pub A) → pubBytes
+
+    NodeA->>NodeA: Build PeerRecord A {<br/>  Name, DID, PubKey,<br/>  PeerID: PeerID_A,<br/>  APIUrl: hostname,<br/>  StreamAddress: /ip4/.../tcp/4001/p2p/PeerID_A,<br/>  NATSAddress, WalletAddress<br/>}
+
+    NodeA->>NodeA: sha256(json(rec)) → hash
+    NodeA->>NodeA: priv.Sign(hash) → signature
+    NodeA->>NodeA: rec.ExpiryDate = now + 150s
+
+    loop Pour chaque StaticIndexer (Indexer A, B, …)
+        NodeA->>IndexerA: TempStream /opencloud/record/publish/1.0
+        NodeA->>IndexerA: json.Encode(PeerRecord A signé)
+
+        IndexerA->>IndexerA: Verify signature
+        IndexerA->>IndexerA: Check heartbeat stream actif pour PeerID_A
+        IndexerA->>DHT: PutValue("/node/"+DID_A, PeerRecord A)
+        DHT-->>IndexerA: ok
+    end
+
+    NodeA->>NodeA: rec.ExtractPeer(DID_A, DID_A, pub A)
+    NodeA->>NATSA: SetNATSPub(CREATE_RESOURCE, {PEER, Peer A JSON})
+    NATSA->>DBA: Upsert Peer A (SearchAttr: peer_id)
+    DBA-->>NATSA: ok
+
+    NodeA-->>NodeA: *peer.Peer A (SELF)