diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Domain/Agent.cs b/src/Modules/TeamUp.Modules.OrgBoard/Domain/Agent.cs
new file mode 100644
index 0000000..3795b96
--- /dev/null
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Domain/Agent.cs
@@ -0,0 +1,54 @@
+using TeamUp.SharedKernel.Access;
+using TeamUp.SharedKernel.Domain;
+
+namespace TeamUp.Modules.OrgBoard.Domain;
+
+/// <summary>
+/// The AI staffing an open seat: identity (name, monogram) + matched skill atoms + autonomy +
+/// the model config + docs. References Skills by key and the BYOK ApiConfig by id — never reaches
+/// into those modules' tables. One agent per seat.
+/// </summary>
+internal sealed class Agent : Entity
+{
+    public Guid SeatId { get; private set; }
+    public string Name { get; private set; } = null!;
+    public string? Monogram { get; private set; }
+    public Autonomy Autonomy { get; private set; }
+    public Guid ApiConfigId { get; private set; }
+    public Guid? FallbackApiConfigId { get; private set; }
+    public List<string> SkillKeys { get; private set; } = [];
+    public List<string> Docs { get; private set; } = [];
+    public DateTimeOffset CreatedAtUtc { get; private set; }
+    public DateTimeOffset UpdatedAtUtc { get; private set; }
+
+    private Agent()
+    {
+    }
+
+    public Agent(Guid seatId, DateTimeOffset createdAtUtc)
+    {
+        SeatId = seatId;
+        CreatedAtUtc = createdAtUtc;
+        UpdatedAtUtc = createdAtUtc;
+    }
+
+    public void Configure(
+        string name,
+        string? monogram,
+        Autonomy autonomy,
+        Guid apiConfigId,
+        Guid? fallbackApiConfigId,
+        List<string> skillKeys,
+        List<string> docs,
+        DateTimeOffset nowUtc)
+    {
+        Name = name;
+        Monogram = monogram;
+        Autonomy = autonomy;
+        ApiConfigId = apiConfigId;
+        FallbackApiConfigId = fallbackApiConfigId;
+        SkillKeys = skillKeys;
+        Docs = docs;
+        UpdatedAtUtc = nowUtc;
+    }
+}
diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Domain/Seat.cs b/src/Modules/TeamUp.Modules.OrgBoard/Domain/Seat.cs
index 6ddd707..de5850c 100644
--- a/src/Modules/TeamUp.Modules.OrgBoard/Domain/Seat.cs
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Domain/Seat.cs
@@ -38,4 +38,11 @@ internal sealed class Seat : Entity
         AgentId = null;
         State = SeatState.Open;
     }
+
+    public void AssignAgent(Guid agentId)
+    {
+        AgentId = agentId;
+        MemberId = null;
+        State = SeatState.Ai;
+    }
 }
diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardDtos.cs b/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardDtos.cs
index 77933a1..dd58e90 100644
--- a/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardDtos.cs
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardDtos.cs
@@ -1,4 +1,5 @@
 using TeamUp.Modules.OrgBoard.Domain;
+using TeamUp.SharedKernel.Access;
 
 namespace TeamUp.Modules.OrgBoard.Endpoints;
 
@@ -30,3 +31,27 @@ internal sealed record TaskResponse(
 internal sealed record BoardColumn(string Status, IReadOnlyList<TaskResponse> Items);
 
 internal sealed record BoardResponse(Guid TeamId, IReadOnlyList<BoardColumn> Columns);
+
+internal sealed record CreateSeatRequest(Guid TeamId, string RoleName);
+
+internal sealed record SeatResponse(Guid Id, Guid TeamId, string RoleName, string State, Guid? MemberId, Guid? AgentId);
+
+internal sealed record ConfigureAgentRequest(
+    string Name,
+    string? Monogram,
+    Autonomy Autonomy,
+    Guid ApiConfigId,
+    Guid? FallbackApiConfigId,
+    List<string> SkillKeys,
+    List<string> Docs);
+
+internal sealed record AgentResponse(
+    Guid Id,
+    Guid SeatId,
+    string Name,
+    string? Monogram,
+    string Autonomy,
+    Guid ApiConfigId,
+    Guid? FallbackApiConfigId,
+    List<string> SkillKeys,
+    List<string> Docs);
diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardEndpoints.cs b/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardEndpoints.cs
index aa46d03..c6b0eeb 100644
--- a/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardEndpoints.cs
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Endpoints/OrgBoardEndpoints.cs
@@ -25,6 +25,11 @@ internal static class OrgBoardEndpoints
         group.MapPatch("/tasks/{id:guid}/move", MoveTask).RequireAuthorization();
         group.MapPatch("/tasks/{id:guid}/assign", AssignTask).RequireAuthorization();
         group.MapGet("/cartable", Cartable).RequireAuthorization();
+
+        group.MapPost("/seats", CreateSeat).RequireAuthorization();
+        group.MapGet("/seats", ListSeats).RequireAuthorization();
+        group.MapPost("/seats/{id:guid}/agent", ConfigureAgent).RequireAuthorization();
+        group.MapGet("/seats/{id:guid}/agent", GetAgent).RequireAuthorization();
     }
 
     private static TaskResponse ToResponse(WorkItem item) => new(
@@ -225,4 +230,127 @@ internal static class OrgBoardEndpoints
 
         return (item, team, null);
     }
+
+    private static SeatResponse ToSeat(Seat seat) =>
+        new(seat.Id, seat.TeamId, seat.RoleName, seat.State.ToString(), seat.MemberId, seat.AgentId);
+
+    private static AgentResponse ToAgent(Agent agent) => new(
+        agent.Id, agent.SeatId, agent.Name, agent.Monogram, agent.Autonomy.ToString(),
+        agent.ApiConfigId, agent.FallbackApiConfigId, agent.SkillKeys, agent.Docs);
+
+    private static async Task<IResult> CreateSeat(
+        CreateSeatRequest request, ICurrentUser user, IPermissionService permissions,
+        IAuditLog audit, OrgBoardDbContext db, TimeProvider clock, CancellationToken ct)
+    {
+        var team = await db.Teams.FirstOrDefaultAsync(t => t.Id == request.TeamId, ct);
+        if (team is null)
+        {
+            return Results.NotFound("Team not found.");
+        }
+
+        if (!permissions.Has(Capability.ConfigureAgents, ScopeRef.Team(team.Id), ScopeRef.Org(team.OrganizationId)))
+        {
+            return Results.Forbid();
+        }
+
+        if (string.IsNullOrWhiteSpace(request.RoleName))
+        {
+            return Results.BadRequest("RoleName is required.");
+        }
+
+        var seat = new Seat(team.Id, request.RoleName.Trim(), SeatState.Open, clock.GetUtcNow());
+        db.Seats.Add(seat);
+        await db.SaveChangesAsync(ct);
+        await audit.WriteAsync(new AuditEvent("seat.created", "Seat", seat.Id, user.MemberId, request.RoleName), ct);
+        return Results.Ok(ToSeat(seat));
+    }
+
+    private static async Task<IResult> ListSeats(
+        Guid teamId, IPermissionService permissions, OrgBoardDbContext db, CancellationToken ct)
+    {
+        var team = await db.Teams.FirstOrDefaultAsync(t => t.Id == teamId, ct);
+        if (team is null)
+        {
+            return Results.NotFound("Team not found.");
+        }
+
+        if (!permissions.Has(Capability.ViewBoard, ScopeRef.Team(team.Id), ScopeRef.Org(team.OrganizationId)))
+        {
+            return Results.Forbid();
+        }
+
+        var seats = await db.Seats.Where(s => s.TeamId == teamId).OrderBy(s => s.CreatedAtUtc).ToListAsync(ct);
+        return Results.Ok(seats.Select(ToSeat).ToList());
+    }
+
+    private static async Task<IResult> ConfigureAgent(
+        Guid id, ConfigureAgentRequest request, ICurrentUser user, IPermissionService permissions,
+        IAuditLog audit, OrgBoardDbContext db, TimeProvider clock, CancellationToken ct)
+    {
+        var seat = await db.Seats.FirstOrDefaultAsync(s => s.Id == id, ct);
+        if (seat is null)
+        {
+            return Results.NotFound("Seat not found.");
+        }
+
+        var team = await db.Teams.FirstOrDefaultAsync(t => t.Id == seat.TeamId, ct);
+        if (team is null)
+        {
+            return Results.NotFound("Team not found.");
+        }
+
+        if (!permissions.Has(Capability.ConfigureAgents, ScopeRef.Team(team.Id), ScopeRef.Org(team.OrganizationId)))
+        {
+            return Results.Forbid();
+        }
+
+        if (string.IsNullOrWhiteSpace(request.Name) || request.ApiConfigId == Guid.Empty)
+        {
+            return Results.BadRequest("Name and apiConfigId are required.");
+        }
+
+        var now = clock.GetUtcNow();
+        var agent = await db.Agents.FirstOrDefaultAsync(a => a.SeatId == seat.Id, ct);
+        var isNew = agent is null;
+        agent ??= new Agent(seat.Id, now);
+        agent.Configure(
+            request.Name.Trim(), request.Monogram, request.Autonomy, request.ApiConfigId,
+            request.FallbackApiConfigId, request.SkillKeys ?? [], request.Docs ?? [], now);
+
+        if (isNew)
+        {
+            db.Agents.Add(agent);
+        }
+
+        seat.AssignAgent(agent.Id);
+        await db.SaveChangesAsync(ct);
+        await audit.WriteAsync(new AuditEvent("agent.configured", "Agent", agent.Id, user.MemberId, agent.Name), ct);
+        return Results.Ok(ToAgent(agent));
+    }
+
+    private static async Task<IResult> GetAgent(
+        Guid id, IPermissionService permissions, OrgBoardDbContext db, CancellationToken ct)
+    {
+        var seat = await db.Seats.FirstOrDefaultAsync(s => s.Id == id, ct);
+        if (seat is null)
+        {
+            return Results.NotFound("Seat not found.");
+        }
+
+        var team = await db.Teams.FirstOrDefaultAsync(t => t.Id == seat.TeamId, ct);
+        if (team is null)
+        {
+            return Results.NotFound("Team not found.");
+        }
+
+        if (!permissions.Has(Capability.ViewBoard, ScopeRef.Team(team.Id), ScopeRef.Org(team.OrganizationId)))
+        {
+            return Results.Forbid();
+        }
+
+        var agent = await db.Agents.FirstOrDefaultAsync(a => a.SeatId == seat.Id, ct);
+        return agent is null
+            ? Results.NotFound("Seat has no agent configured.")
+            : Results.Ok(ToAgent(agent));
+    }
 }
diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/20260609200923_AddAgents.Designer.cs b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/20260609200923_AddAgents.Designer.cs
new file mode 100644
index 0000000..0c93bf9
--- /dev/null
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/20260609200923_AddAgents.Designer.cs
@@ -0,0 +1,217 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TeamUp.Modules.OrgBoard.Persistence;
+
+#nullable disable
+
+namespace TeamUp.Modules.OrgBoard.Persistence.Migrations
+{
+    [DbContext(typeof(OrgBoardDbContext))]
+    [Migration("20260609200923_AddAgents")]
+    partial class AddAgents
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("orgboard")
+                .HasAnnotation("ProductVersion", "10.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TeamUp.Modules.OrgBoard.Domain.Agent", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("ApiConfigId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Autonomy")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<DateTimeOffset>("CreatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.PrimitiveCollection<List<string>>("Docs")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<Guid?>("FallbackApiConfigId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Monogram")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(120)
+                        .HasColumnType("character varying(120)");
+
+                    b.Property<Guid>("SeatId")
+                        .HasColumnType("uuid");
+
+                    b.PrimitiveCollection<List<string>>("SkillKeys")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<DateTimeOffset>("UpdatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SeatId")
+                        .IsUnique();
+
+                    b.ToTable("agents", "orgboard");
+                });
+
+            modelBuilder.Entity("TeamUp.Modules.OrgBoard.Domain.Organization", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTimeOffset>("CreatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("organizations", "orgboard");
+                });
+
+            modelBuilder.Entity("TeamUp.Modules.OrgBoard.Domain.Seat", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("AgentId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTimeOffset>("CreatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid?>("MemberId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("RoleName")
+                        .IsRequired()
+                        .HasMaxLength(120)
+                        .HasColumnType("character varying(120)");
+
+                    b.Property<string>("State")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)");
+
+                    b.Property<Guid>("TeamId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TeamId");
+
+                    b.ToTable("seats", "orgboard");
+                });
+
+            modelBuilder.Entity("TeamUp.Modules.OrgBoard.Domain.Team", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTimeOffset>("CreatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)");
+
+                    b.Property<Guid>("OrganizationId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrganizationId");
+
+                    b.ToTable("teams", "orgboard");
+                });
+
+            modelBuilder.Entity("TeamUp.Modules.OrgBoard.Domain.WorkItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("AssigneeId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("AssigneeKind")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)");
+
+                    b.Property<DateTimeOffset>("CreatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("CreatedByMemberId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("ParentId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)");
+
+                    b.Property<Guid>("TeamId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(300)
+                        .HasColumnType("character varying(300)");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)");
+
+                    b.Property<DateTimeOffset>("UpdatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TeamId");
+
+                    b.HasIndex("AssigneeKind", "AssigneeId");
+
+                    b.ToTable("work_items", "orgboard");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/20260609200923_AddAgents.cs b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/20260609200923_AddAgents.cs
new file mode 100644
index 0000000..2780fc3
--- /dev/null
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/20260609200923_AddAgents.cs
@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TeamUp.Modules.OrgBoard.Persistence.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddAgents : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "agents",
+                schema: "orgboard",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    SeatId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Name = table.Column<string>(type: "character varying(120)", maxLength: 120, nullable: false),
+                    Monogram = table.Column<string>(type: "character varying(8)", maxLength: 8, nullable: true),
+                    Autonomy = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false),
+                    ApiConfigId = table.Column<Guid>(type: "uuid", nullable: false),
+                    FallbackApiConfigId = table.Column<Guid>(type: "uuid", nullable: true),
+                    SkillKeys = table.Column<List<string>>(type: "text[]", nullable: false),
+                    Docs = table.Column<List<string>>(type: "text[]", nullable: false),
+                    CreatedAtUtc = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false),
+                    UpdatedAtUtc = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_agents", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_agents_SeatId",
+                schema: "orgboard",
+                table: "agents",
+                column: "SeatId",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "agents",
+                schema: "orgboard");
+        }
+    }
+}
diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/OrgBoardDbContextModelSnapshot.cs b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/OrgBoardDbContextModelSnapshot.cs
index dd27b6e..66ac1b1 100644
--- a/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/OrgBoardDbContextModelSnapshot.cs
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/Migrations/OrgBoardDbContextModelSnapshot.cs
@@ -1,5 +1,6 @@
 // <auto-generated />
 using System;
+using System.Collections.Generic;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
@@ -23,6 +24,57 @@ namespace TeamUp.Modules.OrgBoard.Persistence.Migrations
 
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
+            modelBuilder.Entity("TeamUp.Modules.OrgBoard.Domain.Agent", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("ApiConfigId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Autonomy")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<DateTimeOffset>("CreatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.PrimitiveCollection<List<string>>("Docs")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<Guid?>("FallbackApiConfigId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Monogram")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(120)
+                        .HasColumnType("character varying(120)");
+
+                    b.Property<Guid>("SeatId")
+                        .HasColumnType("uuid");
+
+                    b.PrimitiveCollection<List<string>>("SkillKeys")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<DateTimeOffset>("UpdatedAtUtc")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SeatId")
+                        .IsUnique();
+
+                    b.ToTable("agents", "orgboard");
+                });
+
             modelBuilder.Entity("TeamUp.Modules.OrgBoard.Domain.Organization", b =>
                 {
                     b.Property<Guid>("Id")
diff --git a/src/Modules/TeamUp.Modules.OrgBoard/Persistence/OrgBoardDbContext.cs b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/OrgBoardDbContext.cs
index 298de91..3af4055 100644
--- a/src/Modules/TeamUp.Modules.OrgBoard/Persistence/OrgBoardDbContext.cs
+++ b/src/Modules/TeamUp.Modules.OrgBoard/Persistence/OrgBoardDbContext.cs
@@ -10,6 +10,7 @@ internal sealed class OrgBoardDbContext(DbContextOptions<OrgBoardDbContext> opti
     public DbSet<Organization> Organizations => Set<Organization>();
     public DbSet<Team> Teams => Set<Team>();
     public DbSet<Seat> Seats => Set<Seat>();
+    public DbSet<Agent> Agents => Set<Agent>();
     public DbSet<WorkItem> WorkItems => Set<WorkItem>();
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
@@ -40,6 +41,16 @@ internal sealed class OrgBoardDbContext(DbContextOptions<OrgBoardDbContext> opti
             seat.HasIndex(s => s.TeamId);
         });
 
+        modelBuilder.Entity<Agent>(agent =>
+        {
+            agent.ToTable("agents");
+            agent.HasKey(a => a.Id);
+            agent.Property(a => a.Name).HasMaxLength(120).IsRequired();
+            agent.Property(a => a.Monogram).HasMaxLength(8);
+            agent.Property(a => a.Autonomy).HasConversion<string>().HasMaxLength(20);
+            agent.HasIndex(a => a.SeatId).IsUnique();
+        });
+
         modelBuilder.Entity<WorkItem>(workItem =>
         {
             workItem.ToTable("work_items");
diff --git a/tests/Directory.Build.props b/tests/Directory.Build.props
index 32fd14a..200503c 100644
--- a/tests/Directory.Build.props
+++ b/tests/Directory.Build.props
@@ -12,7 +12,7 @@
     <!-- Analyzer rules that fight idiomatic test code:
          CA1707 underscored test names · CA1711 xUnit [CollectionDefinition] "Collection" suffix
          · xUnit1051 TestContext cancellation token (not needed for these short tests). -->
-    <NoWarn>$(NoWarn);CA1707;CA1711;xUnit1051</NoWarn>
+    <NoWarn>$(NoWarn);CA1707;CA1711;CA1861;xUnit1051</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/tests/TeamUp.IntegrationTests/SeatConfigTests.cs b/tests/TeamUp.IntegrationTests/SeatConfigTests.cs
new file mode 100644
index 0000000..35bb467
--- /dev/null
+++ b/tests/TeamUp.IntegrationTests/SeatConfigTests.cs
@@ -0,0 +1,110 @@
+using System.Net;
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+using Xunit;
+
+namespace TeamUp.IntegrationTests;
+
+/// <summary>
+/// M3 acceptance: an owner adds a BYOK config, then configures an AI seat ("Aria", gated autonomy,
+/// a skill, that config) — flipping the seat to AI — without the key ever being exposed.
+/// </summary>
+public sealed class SeatConfigTests(PostgresFixture postgres) : IClassFixture<PostgresFixture>
+{
+    private sealed record BootstrapResponse(string Token, Guid MemberId, Guid OrganizationId);
+
+    private sealed record OrganizationResponse(Guid Id, string Name);
+
+    private sealed record TeamResponse(Guid Id, Guid OrganizationId, string Name);
+
+    private sealed record ApiConfigDto(Guid Id, string Name, string Provider, string Model, string? Endpoint);
+
+    private sealed record SeatResponse(Guid Id, Guid TeamId, string RoleName, string State, Guid? MemberId, Guid? AgentId);
+
+    private sealed record AgentResponse(
+        Guid Id, Guid SeatId, string Name, string? Monogram, string Autonomy,
+        Guid ApiConfigId, Guid? FallbackApiConfigId, List<string> SkillKeys, List<string> Docs);
+
+    [Fact]
+    public async Task Owner_configures_an_ai_seat_with_skills_autonomy_and_byok_config()
+    {
+        await using var factory = new TeamUpWebFactory(postgres.ConnectionString);
+        using var anon = factory.CreateClient();
+
+        var owner = await Bootstrap(anon);
+        using var client = Authed(factory, owner.Token);
+
+        await PostOk<OrganizationResponse>(client, "/api/orgboard/organizations",
+            new { organizationId = owner.OrganizationId, name = "AliaSaaS" });
+        var team = await PostOk<TeamResponse>(client, "/api/orgboard/teams",
+            new { organizationId = owner.OrganizationId, name = "IPNOPS" });
+
+        var config = await PostOk<ApiConfigDto>(client, "/api/integrations/api-configs", new
+        {
+            organizationId = owner.OrganizationId,
+            name = "Vertex-Pro",
+            provider = "stub",
+            model = "gemini-pro",
+            apiKey = "sk-byok-secret",
+        });
+
+        // Create an open seat, then configure an AI agent on it.
+        var seat = await PostOk<SeatResponse>(client, "/api/orgboard/seats",
+            new { teamId = team.Id, roleName = "Product Owner" });
+        Assert.Equal("Open", seat.State);
+
+        var agent = await PostOk<AgentResponse>(client, $"/api/orgboard/seats/{seat.Id}/agent", new
+        {
+            name = "Aria",
+            monogram = "AR",
+            autonomy = "Gated",
+            apiConfigId = config.Id,
+            skillKeys = new[] { "spec-writing", "story-breakdown" },
+            docs = new[] { "product-docs" },
+        });
+        Assert.Equal("Aria", agent.Name);
+        Assert.Equal("Gated", agent.Autonomy);
+        Assert.Equal(config.Id, agent.ApiConfigId);
+        Assert.Contains("spec-writing", agent.SkillKeys);
+
+        // Reading it back returns the same configuration.
+        var fetched = await client.GetFromJsonAsync<AgentResponse>($"/api/orgboard/seats/{seat.Id}/agent");
+        Assert.Equal(agent.Id, fetched!.Id);
+
+        // The seat is now an AI seat pointing at the agent.
+        var seats = await client.GetFromJsonAsync<List<SeatResponse>>($"/api/orgboard/seats?teamId={team.Id}");
+        var aiSeat = seats!.Single(s => s.Id == seat.Id);
+        Assert.Equal("Ai", aiSeat.State);
+        Assert.Equal(agent.Id, aiSeat.AgentId);
+    }
+
+    private static async Task<BootstrapResponse> Bootstrap(HttpClient client)
+    {
+        var response = await client.PostAsJsonAsync("/api/identity/bootstrap", new
+        {
+            organizationName = "AliaSaaS",
+            ownerEmail = "owner@alia.test",
+            ownerDisplayName = "Owner",
+            ownerPassword = "Passw0rd!",
+        });
+        var owner = await response.Content.ReadFromJsonAsync<BootstrapResponse>();
+        Assert.NotNull(owner);
+        return owner!;
+    }
+
+    private static HttpClient Authed(TeamUpWebFactory factory, string token)
+    {
+        var client = factory.CreateClient();
+        client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);
+        return client;
+    }
+
+    private static async Task<T> PostOk<T>(HttpClient client, string url, object body)
+    {
+        var response = await client.PostAsJsonAsync(url, body);
+        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+        var value = await response.Content.ReadFromJsonAsync<T>();
+        Assert.NotNull(value);
+        return value!;
+    }
+}