feat!: pre-handshake knock on the agent TCP ports; probes get the agent certificate public key [CI]

backend/src/MoShiro.Backend.Storage.Sqlite/SqliteAgentStore.cs

@@ -14,7 +14,7 @@ public sealed class SqliteAgentStore : IAgentStore, IFleetStore
 {
     private const string AgentColumns =
         "id, name, status, pubkey, tls_spki, public_host, probe_tcp_port, probe_udp_ports, labels, public_visible, kinds, agent_version, local_limits, " +
-        "task_version, applied_task_version, rejected, created_at, last_seen_at, row_version, ipv6_host, ipv6_supported, ipv6_diagnostics, public_host_manual, ipv6_host_manual, reported_addresses";
+        "task_version, applied_task_version, rejected, created_at, last_seen_at, row_version, ipv6_host, ipv6_supported, ipv6_diagnostics, public_host_manual, ipv6_host_manual, reported_addresses, tls_pubkey";
 
     private readonly SqliteDatabase _db;
 
@@ -123,11 +123,11 @@ public sealed class SqliteAgentStore : IAgentStore, IFleetStore
         _db.ExecuteAsync(c =>
         {
             c.Exec(
-                "UPDATE agents SET kinds = @kinds, agent_version = @version, local_limits = COALESCE(@limits, local_limits), tls_spki = COALESCE(@spki, tls_spki), " +
+                "UPDATE agents SET kinds = @kinds, agent_version = @version, local_limits = COALESCE(@limits, local_limits), tls_spki = COALESCE(@spki, tls_spki), tls_pubkey = COALESCE(@pub, tls_pubkey), " +
                 "probe_tcp_port = COALESCE(@tcp, probe_tcp_port), probe_udp_ports = COALESCE(@udp, probe_udp_ports), ipv6_supported = @v6, ipv6_diagnostics = @diag, " +
                 "reported_addresses = COALESCE(@addr, reported_addresses), row_version = row_version + 1 WHERE id = @id",
                 ("@id", id.Value), ("@kinds", StorageJson.ToJson(hello.Kinds)), ("@version", hello.AgentVersion), ("@limits", hello.LocalLimitsJson),
-                ("@spki", hello.TlsSpki), ("@tcp", hello.ProbeTcpPort), ("@udp", hello.ProbeUdpPorts is null ? null : StorageJson.ToJson(hello.ProbeUdpPorts)), ("@v6", hello.Ipv6Supported ? 1 : 0), ("@diag", hello.Ipv6DiagnosticsJson),
+                ("@spki", hello.TlsSpki), ("@pub", hello.TlsPublicKey), ("@tcp", hello.ProbeTcpPort), ("@udp", hello.ProbeUdpPorts is null ? null : StorageJson.ToJson(hello.ProbeUdpPorts)), ("@v6", hello.Ipv6Supported ? 1 : 0), ("@diag", hello.Ipv6DiagnosticsJson),
                 ("@addr", hello.Addresses is null ? null : StorageJson.ToJson(hello.Addresses)));
         }, ct);
 
@@ -266,7 +266,8 @@ public sealed class SqliteAgentStore : IAgentStore, IFleetStore
         r.NullableString(21),
         r.GetInt64(22) != 0,
         r.GetInt64(23) != 0,
-        StorageJson.Strings(r.GetString(24)));
+        StorageJson.Strings(r.GetString(24)),
+        r.NullableBytes(25));
 
     private static NodeRecord ToNode(AgentRecord a, string? metaJson) =>
         new(a.Id, a.Name, a.Status, a.PublicKey, a.TlsSpki, a.Labels, metaJson, a.AgentVersion, a.CreatedAtMs, a.LastSeenAtMs);