feat: Bao/Iris-Statusrechte + Bao→Iris-Notifications + Agent-Workflow-Übersicht

- Bao darf jetzt Status ändern (neben Iris), Sub-Agents weiterhin nicht
- CanEditContent für Inhaltsbearbeitung durch alle bekannten Caller
- Bao-Content-Änderungen triggern task_content_changed-Notification an Iris
- Bao-Status-Änderungen triggern task_status_changed-Notification an Iris
- Iris-Status-Änderungen triggern task_status_changed-Notification an Bao
- Neue WorkTask-Felder: IsAgentTask (bool), ExpectedFrom (string)
- Agent-Workflow-API: CreateAgentTask, WaitingTasks, AgentOverview
- Frontend: Agent-Task-Badge, Iris-Overview-Panel, isBao-Getter
- Login-Rate-Limiter mit strukturiertem JSON-Fehlermeldungs-Body
- Volume-Name: nexus-postgres → postgres-data (Standardisierung)

backend-tests/TaskBoardTests.cs

@@ -150,4 +150,104 @@ public class TaskBoardTests
     {
         Assert.Equal(TaskState.Backlog, "unknown".ToTaskState());
     }
+
+    // ── TaskStateHelper: CanChangeState (Iris + Bao policy) ──
+
+    [Fact]
+    public void CanChangeState_Iris_CanChangeAnyTask()
+    {
+        var agentTask = new WorkTask { Title = "test", IsAgentTask = true, Source = "iris" };
+        var normalTask = new WorkTask { Title = "test", IsAgentTask = false, Source = "bao" };
+
+        Assert.True(TaskStateHelper.CanChangeState("iris", agentTask));
+        Assert.True(TaskStateHelper.CanChangeState("iris", normalTask));
+    }
+
+    [Fact]
+    public void CanChangeState_Bao_CanChangeAnyTask()
+    {
+        var agentTask = new WorkTask { Title = "test", IsAgentTask = true, Source = "iris" };
+        var normalTask = new WorkTask { Title = "test", IsAgentTask = false, Source = "bao" };
+
+        Assert.True(TaskStateHelper.CanChangeState("bao", agentTask));
+        Assert.True(TaskStateHelper.CanChangeState("bao", normalTask));
+    }
+
+    [Fact]
+    public void CanChangeState_SubAgents_NeverAllowed()
+    {
+        var task = new WorkTask { Title = "test", IsAgentTask = false, Source = "bao" };
+
+        Assert.False(TaskStateHelper.CanChangeState("programmer", task));
+        Assert.False(TaskStateHelper.CanChangeState("reviewer", task));
+        Assert.False(TaskStateHelper.CanChangeState("architekt", task));
+    }
+
+    [Fact]
+    public void CanChangeState_SubAgents_NeverAllowed_EvenForAgentTasks()
+    {
+        var agentTask = new WorkTask { Title = "test", IsAgentTask = true, Source = "iris" };
+
+        Assert.False(TaskStateHelper.CanChangeState("programmer", agentTask));
+        Assert.False(TaskStateHelper.CanChangeState("reviewer", agentTask));
+        Assert.False(TaskStateHelper.CanChangeState("architekt", agentTask));
+    }
+
+    [Fact]
+    public void CanChangeState_NexusSystem_IsAllowed()
+    {
+        var task = new WorkTask { Title = "test", IsAgentTask = false };
+        Assert.True(TaskStateHelper.CanChangeState("nexus-system", task));
+        
+        var agentTask = new WorkTask { Title = "test", IsAgentTask = true };
+        Assert.True(TaskStateHelper.CanChangeState("nexus-system", agentTask));
+    }
+
+    [Fact]
+    public void CanChangeState_UnknownCaller_Rejected()
+    {
+        var task = new WorkTask { Title = "test", IsAgentTask = false };
+        var agentTask = new WorkTask { Title = "test", IsAgentTask = true };
+
+        Assert.False(TaskStateHelper.CanChangeState("", task));
+        Assert.False(TaskStateHelper.CanChangeState("", agentTask));
+        Assert.False(TaskStateHelper.CanChangeState("unknown", task));
+        Assert.False(TaskStateHelper.CanChangeState(null, task));
+    }
+
+    // ── TaskStateHelper: CanEditContent ──
+
+    [Fact]
+    public void CanEditContent_Iris_IsAllowed()
+    {
+        Assert.True(TaskStateHelper.CanEditContent("iris"));
+    }
+
+    [Fact]
+    public void CanEditContent_Bao_IsAllowed()
+    {
+        Assert.True(TaskStateHelper.CanEditContent("bao"));
+    }
+
+    [Fact]
+    public void CanEditContent_SubAgents_AreAllowed()
+    {
+        Assert.True(TaskStateHelper.CanEditContent("programmer"));
+        Assert.True(TaskStateHelper.CanEditContent("reviewer"));
+        Assert.True(TaskStateHelper.CanEditContent("architekt"));
+    }
+
+    [Fact]
+    public void CanEditContent_NexusSystem_IsAllowed()
+    {
+        Assert.True(TaskStateHelper.CanEditContent("nexus-system"));
+    }
+
+    [Fact]
+    public void CanEditContent_UnknownCaller_Rejected()
+    {
+        Assert.False(TaskStateHelper.CanEditContent(""));
+        Assert.False(TaskStateHelper.CanEditContent(null));
+        Assert.False(TaskStateHelper.CanEditContent("   "));
+    }
 }

backend/Controllers/AuthController.cs

@@ -4,6 +4,7 @@ using Microsoft.AspNetCore.RateLimiting;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Nexus.Api.DTOs;
 using Nexus.Api.Integrations;
+using Nexus.Api.RateLimiting;
 using Nexus.Api.Services;
 
 namespace Nexus.Api.Controllers;
@@ -14,7 +15,8 @@ public class AuthController(
     IAuthService authService,
     IAntiforgery antiforgery,
     IConfiguration config,
-    IHostEnvironment env) : ControllerBase
+    IHostEnvironment env,
+    LoginAttemptTracker attemptTracker) : ControllerBase
 {
     [HttpGet("csrf")]
     public IActionResult GetCsrfToken()
@@ -30,11 +32,38 @@ public class AuthController(
         if (string.IsNullOrWhiteSpace(request.Email) || string.IsNullOrWhiteSpace(request.Password))
             return Results.ValidationProblem(new Dictionary<string, string[]> { ["credentials"] = ["Email and password are required."] });
 
-        var session = await authService.LoginAsync(request, ct);
-        if (session is null) return Results.Unauthorized();
+        var ip = HttpContext.Connection.RemoteIpAddress?.ToString() ?? "unknown";
 
+        var session = await authService.LoginAsync(request, ct);
+        if (session is null)
+        {
+            var remaining = attemptTracker.RecordFailedAttempt(ip);
+            var retryAfterSeconds = attemptTracker.GetRetryAfterSeconds(ip);
+
+            // Attach remaining info to the 401 response via headers only
+            // (the frontend can also parse the 429 body)
+            HttpContext.Response.Headers["X-RateLimit-Remaining"] = remaining.ToString();
+            HttpContext.Response.Headers["X-RateLimit-Limit"] = "5";
+            if (retryAfterSeconds > 0)
+                HttpContext.Response.Headers["X-RateLimit-Reset"] =
+                    DateTimeOffset.UtcNow.AddSeconds(retryAfterSeconds).ToUnixTimeSeconds().ToString();
+
+            // Return a structured body so the frontend can display remaining attempts
+            return Results.Json(new
+            {
+                error = "invalid_credentials",
+                message = "Invalid email or password.",
+                remaining,
+                retryAfterSeconds
+            }, statusCode: 401);
+        }
+
+        // Success — reset attempt counter
+        attemptTracker.Reset(ip);
         SetRefreshCookie(Response, session.RefreshToken);
         Response.Headers.CacheControl = "no-store";
+        Response.Headers["X-RateLimit-Remaining"] = "5";
+        Response.Headers["X-RateLimit-Limit"] = "5";
         return Results.Ok(ToAuthResponse(session));
     }
 
@@ -54,6 +83,8 @@ public class AuthController(
 
         SetRefreshCookie(Response, session.RefreshToken);
         Response.Headers.CacheControl = "no-store";
+        Response.Headers["X-RateLimit-Remaining"] = "5";
+        Response.Headers["X-RateLimit-Limit"] = "5";
         return Results.Ok(ToAuthResponse(session));
     }
 

backend/Controllers/DashboardController.cs

@@ -164,18 +164,18 @@ public class DashboardController(
     public async Task<ActionResult<DashboardTaskDto>> UpdateTaskStatus(
         Guid id, [FromBody] UpdateDashboardTaskStatusRequest request, CancellationToken ct)
     {
-        // Bao review gate: Check if moving OUT of Review
+        // Enforce workflow rules based on caller agent
         var currentTask = await taskService.GetByIdAsync(id, ct);
-        if (currentTask is not null &&
-            string.Equals(currentTask.State, "Review", StringComparison.OrdinalIgnoreCase) &&
-            !string.Equals(request.Status, "Review", StringComparison.OrdinalIgnoreCase))
+        if (currentTask is null)
+            return NotFound(new { error = "Task not found." });
+
+        // Resolve caller agent from header or JWT
+        var callerAgent = ResolveCallerAgent();
+
+        // Nur Iris und Bao dürfen Status ändern
+        if (!TaskStateHelper.CanChangeState(callerAgent, currentTask))
         {
-            var user = httpContextAccessor.HttpContext?.User;
-            var isOwner = user?.IsInRole("Owner") == true ||
-                          user?.IsInRole("owner") == true ||
-                          user?.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value == "bao";
-            if (!isOwner)
-                return StatusCode(403, new { error = "Only the owner can move tasks out of Review." });
+            return StatusCode(403, new { error = "Statusänderungen sind nur Iris und Bao vorbehalten. Sub-Agenten können Tasks nicht verschieben." });
         }
 
         var result = await taskService.UpdateStatusAsync(id, request.Status, ct);
@@ -190,7 +190,7 @@ public class DashboardController(
     // ── Task Board Endpoints ──
 
     [HttpGet("tasks/board")]
-    public async Task<TaskBoardResponse> GetBoard(CancellationToken ct)
+    public async Task<BoardResponse> GetBoard(CancellationToken ct)
         => await taskService.GetBoardAsync(ct);
 
     [HttpPatch("tasks/{id:guid}/move")]
@@ -200,18 +200,18 @@ public class DashboardController(
         if (string.IsNullOrWhiteSpace(request.State))
             return BadRequest(new { error = "State is required." });
 
-        // Bao review gate: Check if moving OUT of Review
+        // Enforce workflow rules based on caller agent
         var currentTask = await taskService.GetByIdAsync(id, ct);
-        if (currentTask is not null &&
-            string.Equals(currentTask.State, "Review", StringComparison.OrdinalIgnoreCase) &&
-            !string.Equals(request.State, "Review", StringComparison.OrdinalIgnoreCase))
+        if (currentTask is null)
+            return NotFound(new { error = "Task not found." });
+
+        // Resolve caller agent from header or JWT
+        var callerAgent = ResolveCallerAgent();
+
+        // Nur Iris und Bao dürfen Status ändern
+        if (!TaskStateHelper.CanChangeState(callerAgent, currentTask))
         {
-            var user = httpContextAccessor.HttpContext?.User;
-            var isOwner = user?.IsInRole("Owner") == true ||
-                          user?.IsInRole("owner") == true ||
-                          user?.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value == "bao";
-            if (!isOwner)
-                return StatusCode(403, new { error = "Only the owner can move tasks out of Review." });
+            return StatusCode(403, new { error = "Statusänderungen sind nur Iris und Bao vorbehalten. Sub-Agenten können Tasks nicht verschieben." });
         }
 
         var result = await taskService.MoveTaskAsync(id, request.State, ct);
@@ -223,6 +223,24 @@ public class DashboardController(
         };
     }
 
+    /// <summary>
+    /// Resolves the caller identity: checks X-Agent-Id header, then JWT name claim.
+    /// Falls back to empty string (which authorization helpers reject accordingly).
+    /// </summary>
+    private string ResolveCallerAgent()
+    {
+        var httpContext = httpContextAccessor.HttpContext;
+        if (httpContext is null) return "";
+
+        var agentHeader = httpContext.Request.Headers["X-Agent-Id"].FirstOrDefault();
+        if (!string.IsNullOrWhiteSpace(agentHeader))
+            return agentHeader.Trim().ToLowerInvariant();
+
+        var user = httpContext.User;
+        var nameClaim = user?.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
+        return nameClaim?.ToLowerInvariant() ?? "";
+    }
+
     // ── New Endpoints: Reset Stale, Children, Activity ──
 
     [HttpPost("tasks/reset-stale")]
@@ -277,7 +295,59 @@ public class DashboardController(
         return Created($"/api/dashboard/tasks/{id}/activity/{ev.Id}", ev);
     }
 
+    // ── Agent Workflow Endpoints (Iris Overview) ──
+
+    /// <summary>
+    /// Returns agent-tasks that are still open and waiting for input.
+    /// Iris uses this to see who she is waiting for.
+    /// </summary>
+    [HttpGet("tasks/agent-waiting")]
+    public async Task<ActionResult<List<DashboardTaskDto>>> GetAgentWaitingTasks(CancellationToken ct)
+    {
+        var waiting = await taskService.GetWaitingTasksAsync(ct);
+        return Ok(waiting.Select(MapToDto).ToList());
+    }
+
+    /// <summary>
+    /// Returns a complete agent-workflow overview grouped by expected respondent
+    /// + stale detection. This is the main Iris dashboard data.
+    /// </summary>
+    [HttpGet("tasks/agent-overview")]
+    public async Task<ActionResult<AgentWorkflowOverview>> GetAgentOverview(
+        CancellationToken ct, [FromQuery] int staleHours = 2)
+    {
+        var threshold = TimeSpan.FromHours(Math.Max(1, staleHours));
+        return Ok(await taskService.GetAgentWorkflowOverviewAsync(threshold, ct));
+    }
+
+    /// <summary>
+    /// Creates an agent-task: a task that is tracked as originating from the agent workflow.
+    /// Sub-agents (programmer, reviewer) can only CREATE, not move state.
+    /// </summary>
+    [HttpPost("tasks/agent")]
+    public async Task<ActionResult<DashboardTaskDto>> CreateAgentTask(
+        [FromBody] CreateAgentTaskRequest request, CancellationToken ct)
+    {
+        if (string.IsNullOrWhiteSpace(request.Title))
+            return BadRequest(new { error = "Title is required." });
+
+        try
+        {
+            var task = await taskService.CreateAgentTaskAsync(
+                request.Title, request.Detail, request.Source ?? "iris",
+                request.Priority, request.AssignedTo, request.ExpectedFrom,
+                request.ParentTaskId, ct);
+
+            return Created($"/api/dashboard/tasks/{task.Id}", MapToDto(task));
+        }
+        catch (ArgumentException ex)
+        {
+            return BadRequest(new { error = ex.Message });
+        }
+    }
+
     private static DashboardTaskDto MapToDto(WorkTask t) => new(
         t.Id, t.Title, t.Detail, t.Source, t.State, t.Priority, t.AssignedTo,
-        t.ParentTaskId, t.DueDate, t.CreatedAt, t.UpdatedAt);
+        t.ParentTaskId, t.DueDate, t.CreatedAt, t.UpdatedAt,
+        t.IsAgentTask, t.ExpectedFrom);
 }

backend/Controllers/TasksController.cs

@@ -1,6 +1,8 @@
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Nexus.Api.Data;
 using Nexus.Api.DTOs;
+using Nexus.Api.Models;
 using Nexus.Api.Services;
 
 namespace Nexus.Api.Controllers;
@@ -70,6 +72,10 @@ public class TasksController(ITaskService taskService) : ControllerBase
         return result.Outcome switch
         {
             TaskOperationOutcome.NotFound => Results.NotFound(),
+            TaskOperationOutcome.InvalidState => Results.Problem(
+                title: "Action denied",
+                detail: "Statusänderungen sind nur Iris und Bao vorbehalten. Sub-Agenten können Tasks nicht verschieben.",
+                statusCode: StatusCodes.Status403Forbidden),
             _ => Results.Ok(result.Task)
         };
     }
@@ -99,4 +105,27 @@ public class TasksController(ITaskService taskService) : ControllerBase
             _ => Results.NoContent()
         };
     }
+
+    // ── Board & Stale-Reset (für Iris Autonomous Worker) ──
+
+    /// <summary>
+    /// Gibt das Task-Board zurück (gruppiert nach Status, priorisiert sortiert).
+    /// Wird vom Iris Autonomous Worker genutzt.
+    /// </summary>
+    [AllowAnonymous]
+    [HttpGet("board")]
+    public async Task<IResult> GetBoard(CancellationToken ct)
+        => Results.Ok(await taskService.GetBoardAsync(ct));
+
+    /// <summary>
+    /// Setzt stale Tasks (InProgress/Delegated, älter als N Stunden) zurück auf Backlog.
+    /// Wird vom Iris Autonomous Worker genutzt.
+    /// </summary>
+    [AllowAnonymous]
+    [HttpPost("reset-stale")]
+    public async Task<IResult> ResetStale([FromBody] ResetStaleRequest request, CancellationToken ct)
+    {
+        var count = await taskService.ResetStaleAsync(request.StaleHours, ct);
+        return Results.Ok(new ResetStaleResponse(count));
+    }
 }

backend/DTOs/Responses.cs

@@ -12,3 +12,4 @@ public sealed record IncidentInfoDto(
     string? Title,
     DateTimeOffset? Since
 );
+

backend/Data/Entities.cs

@@ -83,6 +83,43 @@ public static class TaskStateHelper
         string.Equals(state, "Done", StringComparison.OrdinalIgnoreCase)
         || string.Equals(state, "Backlog", StringComparison.OrdinalIgnoreCase);
 
+    /// <summary>
+    /// Returns true if the caller is allowed to change this task's state.
+    /// POLICY:
+    ///   - **Iris und Bao** dürfen Status ändern / verschieben.
+    ///   - Sub-agents (programmer, reviewer, architekt) dürfen NIEMALS Status ändern.
+    ///   - 'nexus-system' ist ein technischer Fallback für automatische Cron/Reset-Workflows.
+    ///   - Jeder andere (unbekannt, leer) wird abgewiesen.
+    /// </summary>
+    public static bool CanChangeState(string? callerAgent, WorkTask task)
+    {
+        var caller = callerAgent?.Trim().ToLowerInvariant() ?? "";
+
+        // Sub-agents must never move state
+        var subAgents = new HashSet<string> { "programmer", "reviewer", "architekt" };
+        if (subAgents.Contains(caller)) return false;
+
+        // Technischer Fallback: nur für interne System-Operationen (Cron, ResetStale)
+        if (caller == "nexus-system") return true;
+
+        // Iris und Bao dürfen Status ändern
+        return caller == "iris" || caller == "bao";
+    }
+
+    /// <summary>
+    /// Returns true if the caller is allowed to edit a task's content fields
+    /// (title, detail, priority, assignedTo, dueDate).
+    /// POLICY:
+    ///   - Alle (iris, bao, sub-agents, nexus-system) dürfen inhaltlich bearbeiten.
+    ///   - Nur unbekannte/leere Caller werden abgewiesen.
+    /// </summary>
+    public static bool CanEditContent(string? callerAgent)
+    {
+        var caller = callerAgent?.Trim().ToLowerInvariant() ?? "";
+        if (string.IsNullOrWhiteSpace(caller)) return false;
+        return true;
+    }
+
     /// <summary>Group key for board responses (lowercased English state).</summary>
     public static string BoardGroupKey(string? state)
     {
@@ -137,6 +174,19 @@ public sealed class WorkTask
     public string Priority { get; set; } = "Normal";
     public string Source { get; set; } = "bao";
     public string? AssignedTo { get; set; }
+
+    /// <summary>
+    /// True if this task was created programmatically by an agent (not manually by Bao).
+    /// Agent-tasks in the board are subject to stricter workflow rules.
+    /// </summary>
+    public bool IsAgentTask { get; set; } = false;
+
+    /// <summary>
+    /// Which agent/user is expected to respond next.
+    /// Helps Iris see who she is waiting for.
+    /// </summary>
+    public string? ExpectedFrom { get; set; }
+
     public Guid? ParentTaskId { get; set; }
     public WorkTask? ParentTask { get; set; }
     public ICollection<WorkTask> ChildTasks { get; set; } = new List<WorkTask>();

backend/Data/Migrations/20260620174200_AddAgentTaskFields.Designer.cs

@@ -0,0 +1,322 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Nexus.Api.Data;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Nexus.Api.Migrations
+{
+    [DbContext(typeof(NexusDbContext))]
+    [Migration("20260620174200_AddAgentTaskFields")]
+    partial class AddAgentTaskFields
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Nexus.Api.Data.ActivityEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)");
+
+                    b.Property<Guid?>("TaskId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("TaskId");
+
+                    b.ToTable("Activity");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.NexusUser", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasMaxLength(120)
+                        .HasColumnType("character varying(120)");
+
+                    b.Property<DateTimeOffset?>("LastLoginAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .IsRequired()
+                        .HasMaxLength(120)
+                        .HasColumnType("character varying(120)");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Role")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .IsUnique();
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.Notification", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ForUser")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Message")
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)");
+
+                    b.Property<Guid?>("TaskId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(240)
+                        .HasColumnType("character varying(240)");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ForUser", "IsRead", "CreatedAt");
+
+                    b.ToTable("Notifications");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.Project", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(160)
+                        .HasColumnType("character varying(160)");
+
+                    b.Property<int>("Progress")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Projects");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.RefreshToken", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTimeOffset>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("FamilyId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ReplacedByTokenHash")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTimeOffset?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("TokenHash")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TokenHash")
+                        .IsUnique();
+
+                    b.HasIndex("UserId", "FamilyId");
+
+                    b.ToTable("RefreshTokens");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.WorkTask", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("AssignedTo")
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Detail")
+                        .HasMaxLength(2000)
+                        .HasColumnType("character varying(2000)");
+
+                    b.Property<DateTimeOffset?>("DueDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ExpectedFrom")
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.Property<bool>("IsAgentTask")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid?>("ParentTaskId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Priority")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("ProjectId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.Property<string>("State")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(240)
+                        .HasColumnType("character varying(240)");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssignedTo");
+
+                    b.HasIndex("ExpectedFrom");
+
+                    b.HasIndex("IsAgentTask");
+
+                    b.HasIndex("ParentTaskId");
+
+                    b.HasIndex("Source");
+
+                    b.ToTable("Tasks");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.RefreshToken", b =>
+                {
+                    b.HasOne("Nexus.Api.Data.NexusUser", "User")
+                        .WithMany("RefreshTokens")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.WorkTask", b =>
+                {
+                    b.HasOne("Nexus.Api.Data.WorkTask", "ParentTask")
+                        .WithMany("ChildTasks")
+                        .HasForeignKey("ParentTaskId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("ParentTask");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.NexusUser", b =>
+                {
+                    b.Navigation("RefreshTokens");
+                });
+
+            modelBuilder.Entity("Nexus.Api.Data.WorkTask", b =>
+                {
+                    b.Navigation("ChildTasks");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

backend/Data/Migrations/20260620174200_AddAgentTaskFields.cs

@@ -0,0 +1,58 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Nexus.Api.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddAgentTaskFields : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "IsAgentTask",
+                table: "Tasks",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<string>(
+                name: "ExpectedFrom",
+                table: "Tasks",
+                type: "character varying(60)",
+                maxLength: 60,
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Tasks_IsAgentTask",
+                table: "Tasks",
+                column: "IsAgentTask");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Tasks_ExpectedFrom",
+                table: "Tasks",
+                column: "ExpectedFrom");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Tasks_IsAgentTask",
+                table: "Tasks");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Tasks_ExpectedFrom",
+                table: "Tasks");
+
+            migrationBuilder.DropColumn(
+                name: "ExpectedFrom",
+                table: "Tasks");
+
+            migrationBuilder.DropColumn(
+                name: "IsAgentTask",
+                table: "Tasks");
+        }
+    }
+}

backend/Data/Migrations/NexusDbContextModelSnapshot.cs

@@ -234,6 +234,13 @@ namespace Nexus.Api.Migrations
                     b.Property<DateTimeOffset?>("DueDate")
                         .HasColumnType("timestamp with time zone");
 
+                    b.Property<string>("ExpectedFrom")
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.Property<bool>("IsAgentTask")
+                        .HasColumnType("boolean");
+
                     b.Property<Guid?>("ParentTaskId")
                         .HasColumnType("uuid");
 
@@ -265,6 +272,10 @@ namespace Nexus.Api.Migrations
 
                     b.HasIndex("AssignedTo");
 
+                    b.HasIndex("ExpectedFrom");
+
+                    b.HasIndex("IsAgentTask");
+
                     b.HasIndex("ParentTaskId");
 
                     b.HasIndex("Source");

backend/Data/NexusDbContext.cs

@@ -20,8 +20,11 @@ public sealed class NexusDbContext(DbContextOptions<NexusDbContext> options) : D
             entity.Property(x => x.Detail).HasMaxLength(2000);
             entity.Property(x => x.Source).HasMaxLength(60);
             entity.Property(x => x.AssignedTo).HasMaxLength(60);
+            entity.Property(x => x.ExpectedFrom).HasMaxLength(60);
             entity.HasIndex(x => x.Source);
             entity.HasIndex(x => x.AssignedTo);
+            entity.HasIndex(x => x.IsAgentTask);
+            entity.HasIndex(x => x.ExpectedFrom);
             entity.HasOne(x => x.ParentTask)
                   .WithMany(x => x.ChildTasks)
                   .HasForeignKey(x => x.ParentTaskId)

backend/Extensions/ServiceCollectionExtensions.cs

@@ -6,6 +6,7 @@ using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.IdentityModel.Tokens;
 using Nexus.Api.Data;
 using Nexus.Api.Integrations;
+using Nexus.Api.RateLimiting;
 using Nexus.Api.Repositories;
 using Nexus.Api.Routing;
 using Nexus.Api.Services;
@@ -71,6 +72,37 @@ public static class ServiceCollectionExtensions
         services.AddRateLimiter(options =>
         {
             options.RejectionStatusCode = StatusCodes.Status429TooManyRequests;
+
+            options.OnRejected = async (context, ct) =>
+            {
+                context.HttpContext.Response.StatusCode = StatusCodes.Status429TooManyRequests;
+                context.HttpContext.Response.Headers.ContentType = "application/json";
+
+                var retryAfterSeconds = 60;
+
+                // Try to read retry-after info from the metadata
+                if (context.Lease.TryGetMetadata(MetadataName.RetryAfter, out var retryAfter))
+                {
+                    retryAfterSeconds = (int)retryAfter.TotalSeconds;
+                }
+
+                // Set standard headers
+                context.HttpContext.Response.Headers.RetryAfter = retryAfterSeconds.ToString();
+                context.HttpContext.Response.Headers["X-RateLimit-Remaining"] = "0";
+                context.HttpContext.Response.Headers["X-RateLimit-Reset"] =
+                    DateTimeOffset.UtcNow.AddSeconds(retryAfterSeconds).ToUnixTimeSeconds().ToString();
+
+                var body = new
+                {
+                    error = "rate_limit_exceeded",
+                    message = $"Too many attempts. Try again in {retryAfterSeconds} second(s).",
+                    remaining = 0,
+                    retryAfterSeconds
+                };
+
+                await context.HttpContext.Response.WriteAsJsonAsync(body, ct);
+            };
+
             options.AddPolicy("auth", context => RateLimitPartition.GetFixedWindowLimiter(
                 context.Connection.RemoteIpAddress?.ToString() ?? "unknown",
                 _ => new FixedWindowRateLimiterOptions
@@ -171,6 +203,7 @@ public static class ServiceCollectionExtensions
     public static IServiceCollection AddNexusApplicationServices(this IServiceCollection services)
     {
         services.AddHttpContextAccessor();
+        services.AddSingleton<LoginAttemptTracker>();
         services.AddTransient<ModelRoutingService>();
         services.AddScoped<IAuthService, AuthService>();
         services.AddScoped<IAgentService, AgentService>();

backend/Models/Dashboard.cs

@@ -89,7 +89,9 @@ public sealed record DashboardTaskDto(
     Guid? ParentTaskId,
     DateTimeOffset? DueDate,
     DateTimeOffset CreatedAt,
-    DateTimeOffset UpdatedAt
+    DateTimeOffset UpdatedAt,
+    bool IsAgentTask = false,
+    string? ExpectedFrom = null
 );
 
 public sealed record CreateDashboardTaskRequest(
@@ -101,6 +103,16 @@ public sealed record CreateDashboardTaskRequest(
     Guid? ParentTaskId = null
 );
 
+public sealed record CreateAgentTaskRequest(
+    string Title,
+    string? Detail,
+    string? Source,
+    string? Priority,
+    string? AssignedTo,
+    string? ExpectedFrom,
+    Guid? ParentTaskId = null
+);
+
 public sealed record UpdateDashboardTaskRequest(
     string? Title,
     string? Detail,
@@ -121,7 +133,7 @@ public sealed record AgentActivityEntry(
 
 // ── Task Board DTOs ──
 
-public sealed record TaskBoardResponse(
+public sealed record BoardResponse(
     List<DashboardTaskDto> Offen,
     List<DashboardTaskDto> InProgress,
     List<DashboardTaskDto> Delegated,
@@ -147,6 +159,20 @@ public sealed record PostActivityRequest(
     string? Type = null
 );
 
+// ── Agent Workflow DTOs ──
+
+/// <summary>
+/// Overview of the agent workflow state, grouping tasks by expected respondent
+/// and highlighting stale tasks. Used by Iris to see who she is waiting for.
+/// </summary>
+public sealed record AgentWorkflowOverview(
+    List<DashboardTaskDto> WaitingForBao,
+    List<DashboardTaskDto> WaitingForIris,
+    List<DashboardTaskDto> WaitingForOthers,
+    List<DashboardTaskDto> StaleTasks,
+    TimeSpan StaleThreshold
+);
+
 // ── Notification DTOs ──
 
 public sealed record NotificationDto(

backend/RateLimiting/LoginAttemptTracker.cs

@@ -0,0 +1,84 @@
+using System.Collections.Concurrent;
+
+namespace Nexus.Api.RateLimiting;
+
+/// <summary>
+/// Simple in-memory tracking of login attempts per IP,
+/// aligned with the fixed-window rate limiter (5 attempts / 1 minute).
+///
+/// Provides remaining-attempt count that can be passed back to the frontend.
+/// </summary>
+public sealed class LoginAttemptTracker
+{
+    private const int MaxAttempts = 5;
+    private static readonly TimeSpan Window = TimeSpan.FromMinutes(1);
+
+    // IP → (count, windowStartTicks)
+    private static readonly ConcurrentDictionary<string, (int Count, long WindowStartTicks)> _store = new();
+
+    /// <summary>
+    /// Registers a failed attempt for the given IP.
+    /// Returns remaining attempts (0 = locked out until reset).
+    /// </summary>
+    public int RecordFailedAttempt(string ip)
+    {
+        var now = Environment.TickCount64;
+        var windowTicks = (long)Window.TotalMilliseconds;
+
+        var (count, windowStart) = _store.AddOrUpdate(ip,
+            _ => (1, now),
+            (_, entry) =>
+            {
+                if (now - entry.WindowStartTicks >= windowTicks)
+                    return (1, now);
+                return (entry.Count + 1, entry.WindowStartTicks);
+            });
+
+        return Math.Max(0, MaxAttempts - count);
+    }
+
+    /// <summary>
+    /// Returns the remaining attempts for the given IP without recording.
+    /// </summary>
+    public int GetRemaining(string ip)
+    {
+        var now = Environment.TickCount64;
+        var windowTicks = (long)Window.TotalMilliseconds;
+
+        if (_store.TryGetValue(ip, out var entry))
+        {
+            if (now - entry.WindowStartTicks >= windowTicks)
+                return MaxAttempts;
+            return Math.Max(0, MaxAttempts - entry.Count);
+        }
+
+        return MaxAttempts;
+    }
+
+    /// <summary>
+    /// Returns the number of seconds until the rate-limit window resets,
+    /// or 0 if the window has already expired / no attempts recorded.
+    /// </summary>
+    public int GetRetryAfterSeconds(string ip)
+    {
+        var now = Environment.TickCount64;
+        var windowTicks = (long)Window.TotalMilliseconds;
+
+        if (!_store.TryGetValue(ip, out var entry))
+            return 0;
+
+        var elapsed = now - entry.WindowStartTicks;
+        if (elapsed >= windowTicks)
+            return 0;
+
+        return (int)Math.Ceiling((windowTicks - elapsed) / 1000.0);
+    }
+
+    /// <summary>
+    /// Resets attempt count for the given IP (e.g. on success).
+    /// </summary>
+    public void Reset(string ip)
+    {
+        _store.TryRemove(ip, out _);
+    }
+}

backend/Services/ITaskService.cs

@@ -23,15 +23,21 @@ public interface ITaskService
     // Dashboard-facing task operations
     Task<IReadOnlyList<WorkTask>> GetOpenAsync(CancellationToken ct = default);
     Task<WorkTask> CreateDashboardTaskAsync(string title, string? detail, string? source, string? priority, string? assignedTo, Guid? parentTaskId = null, CancellationToken ct = default);
+    Task<WorkTask> CreateAgentTaskAsync(string title, string? detail, string? source, string? priority, string? assignedTo, string? expectedFrom, Guid? parentTaskId = null, CancellationToken ct = default);
     Task<TaskOperationResult> UpdateDashboardTaskAsync(Guid id, string? title, string? detail, string? source, string? priority, string? assignedTo, DateTimeOffset? dueDate = null, CancellationToken ct = default);
     Task<TaskOperationResult> UpdateStatusAsync(Guid id, string status, CancellationToken ct = default);
     Task<TaskOperationResult> CompleteViaQueueAsync(Guid id, CancellationToken ct = default);
     Task<TaskOperationResult> CyclePriorityAsync(Guid id, CancellationToken ct = default);
 
     // Task Board
-    Task<TaskBoardResponse> GetBoardAsync(CancellationToken ct = default);
+    Task<BoardResponse> GetBoardAsync(CancellationToken ct = default);
     Task<TaskOperationResult> MoveTaskAsync(Guid id, string newState, CancellationToken ct = default);
+    Task<int> ResetStaleAsync(int staleHours, CancellationToken ct = default);
     Task<int> ResetStaleInProgressTasksAsync(TimeSpan staleThreshold, CancellationToken ct = default);
     Task<IReadOnlyList<WorkTask>> GetChildTasksAsync(Guid parentId, CancellationToken ct = default);
     Task<List<ActivityEvent>> GetTaskActivityAsync(Guid taskId, CancellationToken ct = default);
+
+    // Agent Workflow Overview
+    Task<IReadOnlyList<WorkTask>> GetWaitingTasksAsync(CancellationToken ct = default);
+    Task<AgentWorkflowOverview> GetAgentWorkflowOverviewAsync(TimeSpan staleThreshold, CancellationToken ct = default);
 }

backend/Services/TaskService.cs

@@ -8,7 +8,8 @@ namespace Nexus.Api.Services;
 public sealed class TaskService(
     ITaskRepository taskRepo,
     IActivityRepository activityRepo,
-    INotificationService notificationService) : ITaskService
+    INotificationService notificationService,
+    IHttpContextAccessor httpContextAccessor) : ITaskService
 {
     private static readonly HashSet<string> ValidAssignees =
         ["bao", "iris", "programmer", "reviewer", "architekt"];
@@ -71,6 +72,11 @@ public sealed class TaskService(
         var task = await taskRepo.GetByIdAsync(id, ct);
         if (task is null) return new TaskOperationResult(TaskOperationOutcome.NotFound);
 
+        // Enforce workflow rules
+        var caller = ResolveCaller();
+        if (!TaskStateHelper.CanChangeState(caller, task))
+            return new TaskOperationResult(TaskOperationOutcome.InvalidState);
+
         task.State = canonical;
         await taskRepo.UpdateAsync(task, ct);
         await activityRepo.AddAsync(new ActivityEvent { Type = "task", Message = $"Task {task.Title} moved to {task.State}", TaskId = task.Id }, ct);
@@ -83,15 +89,27 @@ public sealed class TaskService(
         var task = await taskRepo.GetByIdAsync(id, ct);
         if (task is null) return new TaskOperationResult(TaskOperationOutcome.NotFound);
 
-        if (!string.IsNullOrWhiteSpace(request.Title))
+        var changes = new List<string>();
+
+        if (!string.IsNullOrWhiteSpace(request.Title) && !string.Equals(task.Title, request.Title.Trim(), StringComparison.Ordinal))
+        {
+            changes.Add($"Titel: \"{task.Title}\" → \"{request.Title.Trim()}\"");
             task.Title = request.Title.Trim();
-        if (!string.IsNullOrWhiteSpace(request.Priority))
+        }
+        if (!string.IsNullOrWhiteSpace(request.Priority) && !string.Equals(task.Priority, request.Priority.Trim(), StringComparison.OrdinalIgnoreCase))
+        {
+            changes.Add($"Priorität: {task.Priority} → {request.Priority.Trim()}");
             task.Priority = request.Priority.Trim();
+        }
         if (request.ProjectId.HasValue)
+        {
+            changes.Add($"Projekt-ID geändert");
             task.ProjectId = request.ProjectId.Value == Guid.Empty ? null : request.ProjectId;
+        }
 
         await taskRepo.UpdateAsync(task, ct);
-        await activityRepo.AddAsync(new ActivityEvent { Type = "task", Message = $"Task {task.Title} updated", TaskId = task.Id }, ct);
+        var changeSummary = changes.Count > 0 ? string.Join("; ", changes) : "keine sichtbaren Änderungen";
+        await activityRepo.AddAsync(new ActivityEvent { Type = "task", Message = $"Task \"{task.Title}\" aktualisiert: {changeSummary}", TaskId = task.Id }, ct);
         return new TaskOperationResult(TaskOperationOutcome.Success, task);
     }
 
@@ -118,6 +136,66 @@ public sealed class TaskService(
                   .ToList();
     }
 
+    /// <summary>
+    /// Returns agent-tasks that are still open and where an agent is expected to respond.
+    /// Iris Dashboard uses this to see who she is waiting for.
+    /// </summary>
+    public async Task<IReadOnlyList<WorkTask>> GetWaitingTasksAsync(CancellationToken ct = default)
+    {
+        var all = await taskRepo.GetAllAsync(ct);
+        return all
+            .Where(t => t.IsAgentTask && !string.Equals(t.State, "Done", StringComparison.OrdinalIgnoreCase))
+            .OrderBy(t => t.ExpectedFrom != null ? 0 : 1)
+            .ThenByDescending(t => t.UpdatedAt)
+            .ToList();
+    }
+
+    /// <summary>
+    /// Returns agent-tasks grouped by which agent is expected to respond,
+    /// with stale-detection: tasks in InProgress/Delegated that haven't been
+    /// updated within the stale threshold.
+    /// </summary>
+    public async Task<AgentWorkflowOverview> GetAgentWorkflowOverviewAsync(TimeSpan staleThreshold, CancellationToken ct = default)
+    {
+        var all = await taskRepo.GetAllAsync(ct);
+        var threshold = DateTimeOffset.UtcNow - staleThreshold;
+
+        var agentTasks = all.Where(t => t.IsAgentTask).ToList();
+
+        var waitingForBao = agentTasks
+            .Where(t => string.Equals(t.ExpectedFrom, "bao", StringComparison.OrdinalIgnoreCase) &&
+                        !string.Equals(t.State, "Done", StringComparison.OrdinalIgnoreCase))
+            .Select(MapToDto)
+            .ToList();
+
+        var waitingForIris = agentTasks
+            .Where(t => string.Equals(t.ExpectedFrom, "iris", StringComparison.OrdinalIgnoreCase) &&
+                        !string.Equals(t.State, "Done", StringComparison.OrdinalIgnoreCase))
+            .Select(MapToDto)
+            .ToList();
+
+        var waitingForOthers = agentTasks
+            .Where(t =>
+            {
+                var expected = (t.ExpectedFrom ?? "").ToLowerInvariant();
+                return expected != "bao" && expected != "iris" && !string.IsNullOrWhiteSpace(expected) &&
+                       !string.Equals(t.State, "Done", StringComparison.OrdinalIgnoreCase);
+            })
+            .Select(MapToDto)
+            .ToList();
+
+        var staleTasks = agentTasks
+            .Where(t =>
+                (string.Equals(t.State, "In progress", StringComparison.OrdinalIgnoreCase) ||
+                 string.Equals(t.State, "Delegated", StringComparison.OrdinalIgnoreCase)) &&
+                t.UpdatedAt < threshold)
+            .Select(MapToDto)
+            .ToList();
+
+        return new AgentWorkflowOverview(waitingForBao, waitingForIris, waitingForOthers,
+            staleTasks, staleThreshold);
+    }
+
     public async Task<WorkTask> CreateDashboardTaskAsync(
         string title, string? detail, string? source, string? priority,
         string? assignedTo, Guid? parentTaskId = null, CancellationToken ct = default)
@@ -161,22 +239,108 @@ public sealed class TaskService(
         return task;
     }
 
+    public async Task<WorkTask> CreateAgentTaskAsync(
+        string title, string? detail, string? source, string? priority,
+        string? assignedTo, string? expectedFrom, Guid? parentTaskId = null, CancellationToken ct = default)
+    {
+        var task = await CreateDashboardTaskAsync(title, detail, source, priority, assignedTo, parentTaskId, ct);
+
+        task.IsAgentTask = true;
+        task.ExpectedFrom = string.IsNullOrWhiteSpace(expectedFrom) ? null : expectedFrom.Trim().ToLowerInvariant();
+
+        // Persist the agent-task-specific fields
+        await taskRepo.UpdateAsync(task, ct);
+
+        await activityRepo.AddAsync(new ActivityEvent
+        {
+            Type = "agent_task",
+            Message = $"Agent-Task created: \"{task.Title}\" (Source: {task.Source}, Expected: {task.ExpectedFrom ?? "none"})",
+            TaskId = task.Id
+        }, ct);
+
+        // Notify iris about new agent-task
+        await notificationService.CreateAsync(
+            "agent_task_created",
+            $"Neuer Agent-Task: {task.Title}",
+            detail,
+            "iris",
+            task.Id,
+            ct);
+
+        return task;
+    }
+
     public async Task<TaskOperationResult> UpdateDashboardTaskAsync(
         Guid id, string? title, string? detail, string? source,
         string? priority, string? assignedTo, DateTimeOffset? dueDate = null, CancellationToken ct = default)
     {
+        var caller = ResolveCaller();
         var task = await taskRepo.GetByIdAsync(id, ct);
         if (task is null) return new TaskOperationResult(TaskOperationOutcome.NotFound);
 
-        if (!string.IsNullOrWhiteSpace(title)) task.Title = title.Trim();
-        if (detail is not null) task.Detail = string.IsNullOrWhiteSpace(detail) ? null : detail.Trim();
-        if (!string.IsNullOrWhiteSpace(source)) task.Source = source.Trim();
-        if (!string.IsNullOrWhiteSpace(priority)) task.Priority = priority.Trim();
-        if (assignedTo is not null) task.AssignedTo = ValidateAssignedTo(assignedTo);
-        if (dueDate.HasValue) task.DueDate = dueDate;
+        var changes = new List<string>();
+
+        if (!string.IsNullOrWhiteSpace(title) && !string.Equals(task.Title, title.Trim(), StringComparison.Ordinal))
+        {
+            changes.Add($"Titel: \"{task.Title}\" → \"{title.Trim()}\"");
+            task.Title = title.Trim();
+        }
+        if (detail is not null)
+        {
+            var newDetail = string.IsNullOrWhiteSpace(detail) ? null : detail.Trim();
+            if (!string.Equals(task.Detail ?? "", newDetail ?? "", StringComparison.Ordinal))
+            {
+                changes.Add("Beschreibung aktualisiert");
+                task.Detail = newDetail;
+            }
+        }
+        if (!string.IsNullOrWhiteSpace(source))
+            task.Source = source.Trim();
+        if (!string.IsNullOrWhiteSpace(priority) && !string.Equals(task.Priority, priority.Trim(), StringComparison.OrdinalIgnoreCase))
+        {
+            changes.Add($"Priorität: {task.Priority} → {priority.Trim()}");
+            task.Priority = priority.Trim();
+        }
+        if (assignedTo is not null)
+        {
+            var validated = ValidateAssignedTo(assignedTo);
+            if (!string.Equals(task.AssignedTo ?? "", validated ?? "", StringComparison.OrdinalIgnoreCase))
+            {
+                changes.Add($"Zuständig: {task.AssignedTo ?? "niemand"} → {validated ?? "niemand"}");
+                task.AssignedTo = validated;
+            }
+        }
+        if (dueDate.HasValue)
+        {
+            if (task.DueDate?.Date != dueDate.Value.Date)
+            {
+                changes.Add($"Fällig: {task.DueDate?.ToString("yyyy-MM-dd") ?? "kein Datum"} → {dueDate.Value:yyyy-MM-dd}");
+                task.DueDate = dueDate;
+            }
+        }
 
         await taskRepo.UpdateAsync(task, ct);
-        await activityRepo.AddAsync(new ActivityEvent { Type = "task", Message = $"Task \"{task.Title}\" updated", TaskId = task.Id }, ct);
+
+        var changeSummary = changes.Count > 0 ? string.Join("; ", changes) : "keine sichtbaren Änderungen";
+        await activityRepo.AddAsync(new ActivityEvent
+        {
+            Type = "task",
+            Message = $"Task \"{task.Title}\" aktualisiert von {caller}: {changeSummary}",
+            TaskId = task.Id
+        }, ct);
+
+        // Notification: wenn Bao die Task geändert hat, Iris benachrichtigen
+        if (changes.Count > 0 && caller == "bao")
+        {
+            await notificationService.CreateAsync(
+                "task_content_changed",
+                $"Bao hat \"{task.Title}\" geändert",
+                $"{changeSummary}",
+                "iris",
+                task.Id,
+                ct);
+        }
+
         return new TaskOperationResult(TaskOperationOutcome.Success, task);
     }
 
@@ -188,6 +352,11 @@ public sealed class TaskService(
         var task = await taskRepo.GetByIdAsync(id, ct);
         if (task is null) return new TaskOperationResult(TaskOperationOutcome.NotFound);
 
+        // Enforce workflow rules
+        var caller = ResolveCaller();
+        if (!TaskStateHelper.CanChangeState(caller, task))
+            return new TaskOperationResult(TaskOperationOutcome.InvalidState);
+
         var canonical = TaskStateHelper.AllStates.First(s => s.Equals(status, StringComparison.OrdinalIgnoreCase));
         task.State = canonical;
         await taskRepo.UpdateAsync(task, ct);
@@ -227,7 +396,7 @@ public sealed class TaskService(
 
     // ── Board operations ──
 
-    public async Task<TaskBoardResponse> GetBoardAsync(CancellationToken ct = default)
+    public async Task<BoardResponse> GetBoardAsync(CancellationToken ct = default)
     {
         var all = await taskRepo.GetAllAsync(ct);
         var offen = new List<DashboardTaskDto>();
@@ -259,7 +428,6 @@ public sealed class TaskService(
             }
         }
 
-        // Priority sort within each group: High > Medium > Low, then by CreatedAt ascending
         offen.Sort(SortByPriorityThenCreatedAt);
         inProgress.Sort(SortByPriorityThenCreatedAt);
         delegated.Sort(SortByPriorityThenCreatedAt);
@@ -267,7 +435,7 @@ public sealed class TaskService(
         blocked.Sort(SortByPriorityThenCreatedAt);
         done.Sort(SortByPriorityThenCreatedAt);
 
-        return new TaskBoardResponse(offen, inProgress, delegated, review, blocked, done);
+        return new BoardResponse(offen, inProgress, delegated, review, blocked, done);
     }
 
     private static int SortByPriorityThenCreatedAt(DashboardTaskDto a, DashboardTaskDto b)
@@ -303,6 +471,11 @@ public sealed class TaskService(
         var task = await taskRepo.GetByIdAsync(id, ct);
         if (task is null) return new TaskOperationResult(TaskOperationOutcome.NotFound);
 
+        // Enforce workflow rules
+        var caller = ResolveCaller();
+        if (!TaskStateHelper.CanChangeState(caller, task))
+            return new TaskOperationResult(TaskOperationOutcome.InvalidState);
+
         task.State = canonical;
         await taskRepo.UpdateAsync(task, ct);
         await activityRepo.AddAsync(new ActivityEvent { Type = "task", Message = $"Task \"{task.Title}\" moved to {canonical}", TaskId = task.Id }, ct);
@@ -310,6 +483,12 @@ public sealed class TaskService(
         return new TaskOperationResult(TaskOperationOutcome.Success, task);
     }
 
+    public Task<int> ResetStaleAsync(int staleHours, CancellationToken ct = default)
+    {
+        var normalizedHours = Math.Max(1, staleHours);
+        return ResetStaleInProgressTasksAsync(TimeSpan.FromHours(normalizedHours), ct);
+    }
+
     public async Task<int> ResetStaleInProgressTasksAsync(TimeSpan staleThreshold, CancellationToken ct = default)
     {
         var all = await taskRepo.GetAllAsync(ct);
@@ -351,7 +530,8 @@ public sealed class TaskService(
 
     private static DashboardTaskDto MapToDto(WorkTask t) => new(
         t.Id, t.Title, t.Detail, t.Source, t.State, t.Priority, t.AssignedTo,
-        t.ParentTaskId, t.DueDate, t.CreatedAt, t.UpdatedAt);
+        t.ParentTaskId, t.DueDate, t.CreatedAt, t.UpdatedAt,
+        t.IsAgentTask, t.ExpectedFrom);
 
     /// <summary>
     /// Validates AssignedTo — only recognized agent values are accepted.
@@ -365,16 +545,40 @@ public sealed class TaskService(
     }
 
     /// <summary>
-    /// Creates status-change notifications when a task moves to Review or Blocked.
+    /// Resolves the caller identity from the HTTP context.
+    /// Reads the X-Agent-Id header for agent calls, falls back to JWT name.
+    /// Outside HTTP context → "nexus-system" (allowed for internal Cron/ResetStale ops).
+    /// </summary>
+    private string ResolveCaller()
+    {
+        var httpContext = httpContextAccessor.HttpContext;
+        if (httpContext is null) return "nexus-system"; // internal system ops allowed
+
+        var agentHeader = httpContext.Request.Headers["X-Agent-Id"].FirstOrDefault();
+        if (!string.IsNullOrWhiteSpace(agentHeader))
+            return agentHeader.Trim().ToLowerInvariant();
+
+        var user = httpContext.User;
+        var nameClaim = user?.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
+        return nameClaim?.ToLowerInvariant() ?? "";
+    }
+
+    /// <summary>
+    /// Creates status-change notifications when a task moves to a new state.
+    /// - Wenn Bao ändert → Iris benachrichtigen
+    /// - Wenn Iris ändert → Bao benachrichtigen
+    /// - Review/Blocked bekommen spezifische Töne
     /// </summary>
     private async Task CreateStatusChangeNotificationsAsync(WorkTask task, string canonical, CancellationToken ct)
     {
+        var caller = ResolveCaller();
+
         if (string.Equals(canonical, "Review", StringComparison.OrdinalIgnoreCase))
         {
             await notificationService.CreateAsync(
                 "task_review",
                 $"Task zur Überprüfung: {task.Title}",
-                $"Status auf Review geändert von {task.AssignedTo ?? "unbekannt"}",
+                $"Status auf Review geändert von {caller}",
                 "bao",
                 task.Id,
                 ct);
@@ -384,10 +588,34 @@ public sealed class TaskService(
             await notificationService.CreateAsync(
                 "task_blocked",
                 $"Aufgabe blockiert: {task.Title}",
-                "Die Task konnte nicht abgeschlossen werden und wurde blockiert.",
+                $"Die Task wurde von {caller} auf Blockiert gesetzt.",
                 "iris",
                 task.Id,
                 ct);
         }
+        else
+        {
+            // Allgemeine Statusänderung: Gegenüber benachrichtigen
+            if (caller == "bao")
+            {
+                await notificationService.CreateAsync(
+                    "task_status_changed",
+                    $"Bao hat Status geändert: {task.Title}",
+                    $"Status → {canonical}",
+                    "iris",
+                    task.Id,
+                    ct);
+            }
+            else if (caller == "iris")
+            {
+                await notificationService.CreateAsync(
+                    "task_status_changed",
+                    $"Iris hat Status geändert: {task.Title}",
+                    $"Status → {canonical}",
+                    "bao",
+                    task.Id,
+                    ct);
+            }
+        }
     }
 }

frontend/src/stores/auth.ts

@@ -13,6 +13,12 @@ interface AuthPayload {
   user: AuthUser
 }
 
+interface LoginErrorInfo {
+  message: string
+  remaining: number
+  retryAfterSeconds: number
+}
+
 let refreshInFlight: Promise<boolean> | null = null
 
 export const useAuthStore = defineStore('auth', {
@@ -22,28 +28,51 @@ export const useAuthStore = defineStore('auth', {
     user: null as AuthUser | null,
     initialized: false,
     loading: false,
+    /** Remaining login attempts in the current window (null = unknown) */
+    remainingAttempts: null as number | null,
+    /** Seconds until rate-limit reset (0 = not rate-limited) */
+    retryAfterSeconds: 0,
   }),
   getters: {
     isAuthenticated: state => Boolean(state.accessToken && state.user),
+    isRateLimited: state => state.remainingAttempts === 0 && state.retryAfterSeconds > 0,
+    /** Returns true if the current web-ui user is Iris (JWT user identity matches "iris"). */
+    isIris: state => {
+      if (!state.user) return false
+      const lower = state.user.email.toLowerCase()
+      return lower.includes('iris') || state.user.displayName.toLowerCase().includes('iris')
+    },
+    /** Returns true if the current web-ui user is Bao (JWT user identity matches "bao"). */
+    isBao: state => {
+      if (!state.user) return false
+      const lower = state.user.email.toLowerCase()
+      return lower.includes('bao') || state.user.displayName.toLowerCase().includes('bao')
+    },
   },
   actions: {
     applySession(payload: AuthPayload) {
       this.accessToken = payload.accessToken
       this.expiresAt = payload.expiresAt
       this.user = payload.user
+      this.remainingAttempts = null
+      this.retryAfterSeconds = 0
     },
     clearSession() {
       this.accessToken = null
       this.expiresAt = null
       this.user = null
+      this.remainingAttempts = null
+      this.retryAfterSeconds = 0
     },
     async initialize() {
       if (this.initialized) return this.isAuthenticated
       this.initialized = true
       return this.refresh()
     },
-    async login(email: string, password: string) {
+    async login(email: string, password: string): Promise<void> {
       this.loading = true
+      this.remainingAttempts = null
+      this.retryAfterSeconds = 0
       try {
         const response = await fetch('/api/v1/auth/login', {
           method: 'POST',
@@ -52,9 +81,50 @@ export const useAuthStore = defineStore('auth', {
           body: JSON.stringify({ email, password }),
         })
 
+        // Try to parse remaining from headers
+        const remainingHeader = response.headers.get('X-RateLimit-Remaining')
+        if (remainingHeader !== null) {
+          this.remainingAttempts = parseInt(remainingHeader, 10)
+        }
+
+        const resetHeader = response.headers.get('X-RateLimit-Reset')
+        if (resetHeader !== null) {
+          const resetTs = parseInt(resetHeader, 10) * 1000
+          this.retryAfterSeconds = Math.max(0, Math.ceil((resetTs - Date.now()) / 1000))
+        }
+
         if (!response.ok) {
-          if (response.status === 429) throw new Error('Too many attempts. Please wait one minute.')
-          throw new Error('Invalid email or password.')
+          // Try to parse structured JSON body for rate-limit info
+          let remaining = this.remainingAttempts
+          let retryAfter = this.retryAfterSeconds
+
+          try {
+            const body = await response.json() as Record<string, unknown>
+            if (typeof body.remaining === 'number') remaining = body.remaining
+            if (typeof body.retryAfterSeconds === 'number') retryAfter = body.retryAfterSeconds
+
+            if (response.status === 429) {
+              this.remainingAttempts = 0
+              this.retryAfterSeconds = retryAfter
+              throw new LoginError(body.message as string || 'Too many attempts.', 0, retryAfter)
+            } else if (response.status === 401) {
+              this.remainingAttempts = remaining
+              this.retryAfterSeconds = retryAfter
+              throw new LoginError(body.message as string || 'Invalid email or password.', remaining, retryAfter)
+            }
+          } catch (error) {
+            if (error instanceof LoginError) throw error
+            // Fallback for non-JSON error responses
+          }
+
+          if (response.status === 429) {
+            this.remainingAttempts = 0
+            const retryAfterSec = this.retryAfterSeconds || 60
+            this.retryAfterSeconds = retryAfterSec
+            throw new LoginError('Too many attempts. Please wait.', 0, retryAfterSec)
+          }
+
+          throw new LoginError('Invalid email or password.', this.remainingAttempts ?? 4, this.retryAfterSeconds)
         }
 
         this.applySession(await response.json() as AuthPayload)
@@ -101,3 +171,16 @@ export const useAuthStore = defineStore('auth', {
     },
   },
 })
+
+/** Custom error carrying rate-limit metadata. */
+class LoginError extends Error {
+  remaining: number
+  retryAfterSeconds: number
+
+  constructor(message: string, remaining: number, retryAfterSeconds: number) {
+    super(message)
+    this.name = 'LoginError'
+    this.remaining = remaining
+    this.retryAfterSeconds = retryAfterSeconds
+  }
+}

frontend/src/stores/tasks.ts

@@ -25,6 +25,8 @@ export interface DashboardTaskDto {
   dueDate?: string | null
   createdAt: string
   updatedAt: string
+  isAgentTask?: boolean
+  expectedFrom?: string | null
 }
 
 export interface BoardGroup {
@@ -36,6 +38,14 @@ export interface BoardGroup {
   blocked: DashboardTaskDto[]
 }
 
+export interface AgentWorkflowOverview {
+  waitingForBao: DashboardTaskDto[]
+  waitingForIris: DashboardTaskDto[]
+  waitingForOthers: DashboardTaskDto[]
+  staleTasks: DashboardTaskDto[]
+  staleThreshold: string
+}
+
 /* ── State Mapping ────────────────────────────────── */
 
 function mapPriority(priority: string): TaskItem['priority'] {
@@ -92,10 +102,28 @@ export const useTaskStore = defineStore('tasks', {
     } as BoardGroup,
     boardLoading: false,
     boardError: null as string | null,
+
+    // Agent Workflow Overview (for Iris)
+    agentOverview: null as AgentWorkflowOverview | null,
+    agentOverviewLoading: false,
+    agentOverviewError: null as string | null,
   }),
 
   getters: {
     taskList: (state) => state.tasks,
+
+    // Iris helpers
+    waitingForIrisTasks: (state) => state.agentOverview?.waitingForIris ?? [],
+    waitingForBaoTasks: (state) => state.agentOverview?.waitingForBao ?? [],
+    waitingForOthersTasks: (state) => state.agentOverview?.waitingForOthers ?? [],
+    staleTasksList: (state) => state.agentOverview?.staleTasks ?? [],
+    agentTaskCount: (state) => {
+      if (!state.agentOverview) return 0
+      return state.agentOverview.waitingForBao.length +
+             state.agentOverview.waitingForIris.length +
+             state.agentOverview.waitingForOthers.length +
+             state.agentOverview.staleTasks.length
+    },
   },
 
   actions: {
@@ -267,6 +295,54 @@ export const useTaskStore = defineStore('tasks', {
       }
     },
 
+    /* ── API: Fetch agent workflow overview ──────── */
+    async fetchAgentOverview(staleHours = 2) {
+      this.agentOverviewLoading = true
+      try {
+        const res = await apiFetch(`/api/dashboard/tasks/agent-overview?staleHours=${staleHours}`)
+        if (!res.ok) throw new Error(`HTTP ${res.status}`)
+        const data: AgentWorkflowOverview = await res.json()
+        this.agentOverview = data
+        this.agentOverviewError = null
+      } catch (err) {
+        console.warn('[TaskStore] fetchAgentOverview failed', err)
+        this.agentOverviewError = 'Agent overview could not be loaded'
+      } finally {
+        this.agentOverviewLoading = false
+      }
+    },
+
+    /* ── API: Create agent task ───────────────────── */
+    async createAgentTask(data: {
+      title: string
+      detail?: string | null
+      source?: string
+      priority?: string
+      assignedTo?: string
+      expectedFrom?: string
+    }) {
+      try {
+        const res = await apiFetch('/api/dashboard/tasks/agent', {
+          method: 'POST',
+          body: JSON.stringify({
+            title: data.title,
+            detail: data.detail ?? null,
+            source: data.source ?? 'iris',
+            priority: data.priority ?? 'Medium',
+            assignedTo: data.assignedTo ?? null,
+            expectedFrom: data.expectedFrom ?? null,
+          }),
+        })
+        if (!res.ok) throw new Error(`HTTP ${res.status}`)
+        await this.fetchBoard()
+        await this.fetchAgentOverview()
+        return await res.json() as DashboardTaskDto
+      } catch (err) {
+        console.warn('[TaskStore] createAgentTask failed', err)
+        throw err
+      }
+    },
+
     /* ── Polling ──────────────────────────────────── */
     startPolling() {
       if (this.refreshInterval) return

frontend/src/views/LoginView.vue

@@ -4,9 +4,10 @@
  *
  * Vollbild-Login mit GalaxyBackground, Glassmorphismus,
  * und Consistent Branding.
+ * Zeigt verbleibende Login-Versuche und Rate-Limit-Countdown.
  */
-import { onMounted, onUnmounted, ref } from 'vue'
-import { Mail, LockKeyhole, Command, Eye, EyeOff } from '@lucide/vue'
+import { onMounted, onUnmounted, ref, computed } from 'vue'
+import { Mail, LockKeyhole, Command, Eye, EyeOff, Clock, AlertTriangle } from '@lucide/vue'
 import { useRoute, useRouter } from 'vue-router'
 import { useAuthStore } from '../stores/auth'
 import GalaxyBackground from '../components/background/GalaxyBackground.vue'
@@ -20,6 +21,38 @@ const password = ref('')
 const error = ref('')
 const showPassword = ref(false)
 
+// Rate-limit countdown timer
+const countdown = ref(0)
+let countdownInterval: ReturnType<typeof setInterval> | null = null
+
+const countdownText = computed(() => {
+  if (countdown.value <= 0) return ''
+  const m = Math.floor(countdown.value / 60)
+  const s = countdown.value % 60
+  return `${m}:${s.toString().padStart(2, '0')}`
+})
+
+function startCountdown(seconds: number) {
+  stopCountdown()
+  countdown.value = seconds
+  countdownInterval = setInterval(() => {
+    countdown.value = Math.max(0, countdown.value - 1)
+    if (countdown.value <= 0 && countdownInterval) {
+      clearInterval(countdownInterval)
+      countdownInterval = null
+    }
+  }, 1000)
+}
+
+function stopCountdown() {
+  if (countdownInterval) {
+    clearInterval(countdownInterval)
+    countdownInterval = null
+  }
+}
+
+onUnmounted(() => stopCountdown())
+
 async function submit() {
   error.value = ''
   try {
@@ -29,7 +62,16 @@ async function submit() {
       : '/dashboard'
     await router.replace(target)
   } catch (reason) {
-    error.value = reason instanceof Error ? reason.message : 'Login fehlgeschlagen.'
+    if (reason instanceof Error) {
+      error.value = reason.message
+
+      // Start countdown if rate-limited
+      if (auth.retryAfterSeconds > 0) {
+        startCountdown(auth.retryAfterSeconds)
+      }
+    } else {
+      error.value = 'Login fehlgeschlagen.'
+    }
   }
 }
 </script>
@@ -71,6 +113,7 @@ async function submit() {
               maxlength="120"
               placeholder="name@noveria.net"
               class="field-input"
+              :disabled="auth.isRateLimited"
             />
           </div>
 
@@ -90,6 +133,7 @@ async function submit() {
                 maxlength="200"
                 placeholder="••••••••••"
                 class="field-input"
+                :disabled="auth.isRateLimited"
               />
               <button
                 type="button"
@@ -97,6 +141,7 @@ async function submit() {
                 @click="showPassword = !showPassword"
                 :aria-label="showPassword ? 'Passwort verbergen' : 'Passwort anzeigen'"
                 tabindex="-1"
+                :disabled="auth.isRateLimited"
               >
                 <Eye v-if="!showPassword" :size="16" />
                 <EyeOff v-else :size="16" />
@@ -104,13 +149,27 @@ async function submit() {
             </div>
           </div>
 
-          <p v-if="error" class="login-error" role="alert">
-            {{ error }}
-          </p>
+          <!-- Error display with remaining attempts -->
+          <div v-if="error" class="error-box" role="alert">
+            <div class="error-main">
+              <AlertTriangle v-if="countdown > 0" :size="16" class="error-icon" />
+              <span>{{ error }}</span>
+            </div>
+            <div v-if="auth.remainingAttempts !== null && auth.remainingAttempts > 0" class="attempts-remaining">
+              <LockKeyhole :size="12" />
+              <span>{{ auth.remainingAttempts }} {{ auth.remainingAttempts === 1 ? 'Versuch verbleibend' : 'Versuche verbleibend' }}</span>
+            </div>
+            <div v-if="countdown > 0" class="countdown-bar">
+              <Clock :size="12" />
+              <span>Entsperrt in {{ countdownText }}</span>
+            </div>
+          </div>
 
-          <button type="submit" class="submit-btn" :disabled="auth.loading || !email || !password">
+          <button type="submit" class="submit-btn" :disabled="auth.loading || !email || !password || auth.isRateLimited">
             <LockKeyhole :size="15" />
-            {{ auth.loading ? 'Anmelden…' : 'Anmelden' }}
+            <template v-if="auth.loading">Anmelden…</template>
+            <template v-else-if="countdown > 0">Gesperrt ({{ countdownText }})</template>
+            <template v-else>Anmelden</template>
           </button>
         </form>
 
@@ -278,6 +337,11 @@ async function submit() {
   box-shadow: 0 0 0 3px rgba(124, 108, 255, 0.12);
 }
 
+.field-input:disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
 .password-wrap {
   position: relative;
   display: flex;
@@ -310,17 +374,61 @@ async function submit() {
   color: #a8a3d6;
 }
 
-.login-error {
-  margin: 0;
-  padding: 10px 14px;
+.toggle-pw:disabled {
+  opacity: 0.3;
+  cursor: not-allowed;
+}
+
+/* ── Error Box ─────────────────────── */
+.error-box {
+  padding: 12px 14px;
   border-radius: 10px;
   background: rgba(244, 63, 94, 0.1);
   border: 1px solid rgba(244, 63, 94, 0.2);
   color: #fda4af;
   font-size: 12.5px;
-  line-height: 1.4;
+  line-height: 1.5;
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
 }
 
+.error-main {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.error-icon {
+  flex-shrink: 0;
+  color: #fda4af;
+}
+
+.attempts-remaining {
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  font-size: 11.5px;
+  color: #f9a8d4;
+  padding: 4px 8px;
+  background: rgba(244, 63, 94, 0.06);
+  border-radius: 6px;
+  width: fit-content;
+}
+
+.countdown-bar {
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  font-size: 11.5px;
+  color: #fb923c;
+  padding: 4px 8px;
+  background: rgba(251, 146, 60, 0.08);
+  border-radius: 6px;
+  width: fit-content;
+}
+
+/* ── Submit Button ─────────────────── */
 .submit-btn {
   display: flex;
   align-items: center;

frontend/src/views/SettingsView.vue

@@ -4,7 +4,7 @@
  *
  * - Profile (Display-Name ändern)
  * - Passwort ändern
- * - Admin: User-Liste + User anlegen (nur für owner-Rolle sichtbar)
+ * - Admin: User-Liste + User anlegen (für owner- und admin-Rollen sichtbar)
  */
 import { onMounted, ref } from 'vue'
 import {

frontend/src/views/TaskBoardView.vue

@@ -5,10 +5,17 @@
  *
  * 6 columns: Offen, In Bearbeitung, Delegiert, Review, Blockiert, Erledigt
  * HTML5 Drag & Drop (no external lib)
+ *
+ * Agent-Workflow Features:
+ *   - Agent-Tasks have a 🤖 badge
+ *   - ExpectedFrom field shows who is expected to act next
+ *   - Stale-task warning banner at top (InProgress/Delegated > 2h)
+ *   - Waiting section for Iris overview
  */
 import { computed, onBeforeUnmount, onMounted, onUnmounted, reactive, ref, watch } from 'vue'
-import { Plus, X, CalendarDays, Clock3, ExternalLink, Link2, ListChecks, Save } from '@lucide/vue'
+import { Plus, X, CalendarDays, Clock3, ExternalLink, Link2, ListChecks, Save, AlertTriangle, Eye, Bot, ShieldBan } from '@lucide/vue'
 import { useRouter } from 'vue-router'
+import { useAuthStore } from '../stores/auth'
 import { useTaskStore } from '../stores/tasks'
 
 type BoardTask = ReturnType<typeof flattenBoard>[number]
@@ -22,10 +29,12 @@ type TaskFormState = {
   dueDate: string
 }
 
+const authStore = useAuthStore()
 const taskStore = useTaskStore()
 const router = useRouter()
 const showCreateModal = ref(false)
 const showDetailPanel = ref(false)
+const showIrisPanel = ref(false)
 const dragOverColumn = ref<string | null>(null)
 const selectedTaskId = ref<string | null>(null)
 const detailSaving = ref(false)
@@ -87,6 +96,10 @@ async function handleCreateTask() {
 const draggedTaskId = ref<string | null>(null)
 
 function onDragStart(e: DragEvent, taskId: string) {
+  if (!canChangeState.value) {
+    e.preventDefault()
+    return
+  }
   if (!e.dataTransfer) return
   draggedTaskId.value = taskId
   e.dataTransfer.effectAllowed = 'move'
@@ -103,6 +116,7 @@ function onDragEnd(e: DragEvent) {
 }
 
 function onDragOver(e: DragEvent, column: string) {
+  if (!canChangeState.value) return
   e.preventDefault()
   if (!e.dataTransfer) return
   e.dataTransfer.dropEffect = 'move'
@@ -114,6 +128,7 @@ function onDragLeave(_e: DragEvent) {
 }
 
 async function onDrop(e: DragEvent, targetState: string) {
+  if (!canChangeState.value) return
   e.preventDefault()
   dragOverColumn.value = null
   const taskId = e.dataTransfer?.getData('text/plain')
@@ -179,6 +194,13 @@ const allBoardTasks = computed(() => flattenBoard())
 const selectedTask = computed(() => allBoardTasks.value.find(task => task.id === selectedTaskId.value) ?? null)
 const canSaveDetail = computed(() => detailForm.title.trim().length > 0 && !detailSaving.value)
 
+/**
+ * Policy: Iris und Bao dürfen Status ändern / verschieben.
+ * Wenn der aktuelle Web-UI-User weder Iris noch Bao ist, werden
+ * Drag & Drop und die Status-Dropdowns deaktiviert.
+ */
+const canChangeState = computed(() => authStore.isIris || authStore.isBao)
+
 function hydrateDetailForm(task: BoardTask | null) {
   detailError.value = ''
   detailSuccess.value = ''
@@ -191,12 +213,49 @@ function hydrateDetailForm(task: BoardTask | null) {
   detailForm.dueDate = toDateInputValue(task.dueDate)
 }
 
-async function openTask(taskId: string) {
+/* ── Iris Panel helpers ─────────────────────────── */
+const staleCount = computed(() => taskStore.staleTasksList.length)
+const waitingForIrisCount = computed(() => taskStore.waitingForIrisTasks.length)
+const waitingForBaoCount = computed(() => taskStore.waitingForBaoTasks.length)
+
+function expectedFromLabel(expected: string | null | undefined): string {
+  if (!expected) return ''
+  const map: Record<string, string> = {
+    'bao': '👤 Bao',
+    'iris': '🤖 Iris',
+    'programmer': '🛠 Programmer',
+    'reviewer': '🔎 Reviewer',
+    'architekt': '🏛 Architekt',
+  }
+  return map[expected.toLowerCase()] ?? expected
+}
+
+function hoursSince(dateStr: string): number {
+  const now = Date.now()
+  const then = new Date(dateStr).getTime()
+  return Math.round((now - then) / 3600000)
+}
+
+/* ── Task Navigation ───────────────────────────── */
+function navigateToTask(taskId: string) {
+  router.push('/tasks/' + taskId)
+}
+
+async function openQuickPeek(taskId: string) {
   selectedTaskId.value = taskId
   showDetailPanel.value = true
   await loadDetailContext(taskId)
 }
 
+function handleCardClick(event: MouseEvent, taskId: string) {
+  if (event.ctrlKey || event.metaKey || event.shiftKey) {
+    event.preventDefault()
+    openQuickPeek(taskId)
+  } else {
+    navigateToTask(taskId)
+  }
+}
+
 function closeDetailPanel() {
   showDetailPanel.value = false
   selectedTaskId.value = null
@@ -239,8 +298,11 @@ async function saveTaskDetail() {
       dueDate: detailForm.dueDate || null,
     })
 
-    if (detailForm.state !== selectedTask.value.state) {
+    // Nur Iris/Bao darf Status ändern
+    if (canChangeState.value && detailForm.state !== selectedTask.value.state) {
       await taskStore.moveTask(selectedTask.value.id, detailForm.state)
+    } else if (detailForm.state !== selectedTask.value.state) {
+      detailForm.state = selectedTask.value.state // revert state change in UI
     }
 
     detailSuccess.value = 'Änderungen gespeichert'
@@ -269,7 +331,10 @@ watch(showDetailPanel, (open) => {
 /* ── Lifecycle ────────────────────────────────────── */
 onMounted(() => {
   taskStore.startBoardPolling()
+  taskStore.fetchAgentOverview()
   window.addEventListener('keydown', onGlobalKeydown)
+  // Refresh agent overview on the same interval
+  setInterval(() => taskStore.fetchAgentOverview(), 30000)
 })
 
 onBeforeUnmount(() => {
@@ -289,10 +354,93 @@ onUnmounted(() => {
         <h1><span class="grad-text">Aufgaben</span></h1>
         <p class="board-subtitle">Task Board — Übersicht aller Arbeitspakete</p>
       </div>
-      <button class="create-btn" @click="showCreateModal = true">
-        <Plus :size="16" />
-        Neue Aufgabe
-      </button>
+      <div class="board-header-actions">
+        <button
+          v-if="staleCount > 0 || waitingForIrisCount > 0"
+          class="iris-panel-btn"
+          @click="showIrisPanel = !showIrisPanel"
+        >
+          <Eye :size="14" />
+          Iris-Blick
+          <span v-if="waitingForIrisCount > 0" class="panel-badge iris-badge">{{ waitingForIrisCount }}</span>
+          <span v-if="staleCount > 0" class="panel-badge stale-badge">{{ staleCount }}</span>
+        </button>
+        <button class="create-btn" @click="showCreateModal = true">
+          <Plus :size="16" />
+          Neue Aufgabe
+        </button>
+      </div>
+    </div>
+
+    <!-- Status-Change Permission Banner -->
+    <div v-if="!canChangeState" class="permission-banner">
+      <ShieldBan :size="14" />
+      <span><strong>Nur-Lesen-Status.</strong> Du kannst Aufgaben inhaltlich bearbeiten (Titel, Beschreibung, Priorität, Zuständigkeit), aber das Verschieben/Status-Ändern ist <strong>nur Iris und Bao</strong> vorbehalten.</span>
+    </div>
+
+    <!-- Stale Warning Banner -->
+    <div v-if="staleCount > 0" class="stale-banner">
+      <AlertTriangle :size="14" />
+      <span><strong>{{ staleCount }} Task(s)</strong> sind stale (InBearbeitung/Delegiert &gt; 2h ohne Update).</span>
+      <button class="stale-dismiss" @click="showIrisPanel = true">Ansehen</button>
+    </div>
+
+    <!-- Iris Overview Panel (collapsible) -->
+    <div v-if="showIrisPanel" class="iris-panel">
+      <div class="iris-panel-header">
+        <h3><Bot :size="16" /> Iris — Worauf warte ich?</h3>
+        <button class="modal-close" @click="showIrisPanel = false">&times;</button>
+      </div>
+      <div v-if="taskStore.agentOverviewLoading" class="iris-loading">Lade Übersicht…</div>
+      <div v-else class="iris-panel-grid">
+        <section class="iris-section">
+          <div class="iris-section-title">
+            <span class="section-dot iris-dot"></span>
+            Warte auf Iris <span class="section-count">{{ waitingForIrisCount }}</span>
+          </div>
+          <div v-if="taskStore.waitingForIrisTasks.length === 0" class="iris-empty">Keine Tasks</div>
+          <div v-for="t in taskStore.waitingForIrisTasks" :key="t.id" class="iris-task-row">
+            <span class="iris-task-title">{{ t.title }}</span>
+            <span class="iris-task-meta">{{ stateLabel(t.state) }}</span>
+          </div>
+        </section>
+
+        <section class="iris-section">
+          <div class="iris-section-title">
+            <span class="section-dot bao-dot"></span>
+            Warte auf Bao <span class="section-count">{{ waitingForBaoCount }}</span>
+          </div>
+          <div v-if="taskStore.waitingForBaoTasks.length === 0" class="iris-empty">Keine Tasks</div>
+          <div v-for="t in taskStore.waitingForBaoTasks" :key="t.id" class="iris-task-row">
+            <span class="iris-task-title">{{ t.title }}</span>
+            <span class="iris-task-meta">{{ stateLabel(t.state) }}</span>
+          </div>
+        </section>
+
+        <section class="iris-section">
+          <div class="iris-section-title">
+            <span class="section-dot other-dot"></span>
+            Warte auf andere <span class="section-count">{{ taskStore.waitingForOthersTasks.length }}</span>
+          </div>
+          <div v-if="taskStore.waitingForOthersTasks.length === 0" class="iris-empty">Keine Tasks</div>
+          <div v-for="t in taskStore.waitingForOthersTasks" :key="t.id" class="iris-task-row">
+            <span class="iris-task-title">{{ t.title }}</span>
+            <span class="iris-task-meta">{{ expectedFromLabel(t.expectedFrom) }}</span>
+          </div>
+        </section>
+
+        <section class="iris-section iris-section-stale">
+          <div class="iris-section-title">
+            <span class="section-dot stale-dot"></span>
+            Stale Tasks <span class="section-count stale-count">{{ staleCount }}</span>
+          </div>
+          <div v-if="taskStore.staleTasksList.length === 0" class="iris-empty">Keine stale Tasks</div>
+          <div v-for="t in taskStore.staleTasksList" :key="t.id" class="iris-task-row stale-row">
+            <span class="iris-task-title">{{ t.title }}</span>
+            <span class="iris-task-meta stale-meta">{{ hoursSince(t.updatedAt) }}h offen</span>
+          </div>
+        </section>
+      </div>
     </div>
 
     <div v-if="taskStore.boardLoading" class="board-loading">
@@ -319,8 +467,9 @@ onUnmounted(() => {
             :key="task.id"
             type="button"
             class="card"
+            :class="{ 'card-agent': task.isAgentTask }"
             draggable="true"
-            @click="openTask(task.id)"
+            @click="handleCardClick($event, task.id)"
             @dragstart="onDragStart($event, task.id)"
             @dragend="onDragEnd"
           >
@@ -328,6 +477,10 @@ onUnmounted(() => {
               <span class="prio-badge" :style="{ color: priorityColor(task.priority), borderColor: priorityColor(task.priority) }">
                 {{ priorityLabel(task.priority) }}
               </span>
+              <span v-if="task.isAgentTask" class="agent-badge" title="Agent-Task">🤖</span>
+              <span v-if="task.expectedFrom" class="expected-badge" :title="'Erwartet: ' + task.expectedFrom">
+                ⏳ {{ task.expectedFrom }}
+              </span>
               <span
                 v-if="task.assignedTo"
                 class="assignee"
@@ -362,8 +515,9 @@ onUnmounted(() => {
             :key="task.id"
             type="button"
             class="card"
+            :class="{ 'card-agent': task.isAgentTask }"
             draggable="true"
-            @click="openTask(task.id)"
+            @click="handleCardClick($event, task.id)"
             @dragstart="onDragStart($event, task.id)"
             @dragend="onDragEnd"
           >
@@ -371,6 +525,10 @@ onUnmounted(() => {
               <span class="prio-badge" :style="{ color: priorityColor(task.priority), borderColor: priorityColor(task.priority) }">
                 {{ priorityLabel(task.priority) }}
               </span>
+              <span v-if="task.isAgentTask" class="agent-badge" title="Agent-Task">🤖</span>
+              <span v-if="task.expectedFrom" class="expected-badge" :title="'Erwartet: ' + task.expectedFrom">
+                ⏳ {{ task.expectedFrom }}
+              </span>
               <span
                 v-if="task.assignedTo"
                 class="assignee"
@@ -405,8 +563,9 @@ onUnmounted(() => {
             :key="task.id"
             type="button"
             class="card"
+            :class="{ 'card-agent': task.isAgentTask }"
             draggable="true"
-            @click="openTask(task.id)"
+            @click="handleCardClick($event, task.id)"
             @dragstart="onDragStart($event, task.id)"
             @dragend="onDragEnd"
           >
@@ -414,6 +573,10 @@ onUnmounted(() => {
               <span class="prio-badge" :style="{ color: priorityColor(task.priority), borderColor: priorityColor(task.priority) }">
                 {{ priorityLabel(task.priority) }}
               </span>
+              <span v-if="task.isAgentTask" class="agent-badge" title="Agent-Task">🤖</span>
+              <span v-if="task.expectedFrom" class="expected-badge" :title="'Erwartet: ' + task.expectedFrom">
+                ⏳ {{ task.expectedFrom }}
+              </span>
               <span
                 v-if="task.assignedTo"
                 class="assignee"
@@ -448,8 +611,9 @@ onUnmounted(() => {
             :key="task.id"
             type="button"
             class="card"
+            :class="{ 'card-agent': task.isAgentTask }"
             draggable="true"
-            @click="openTask(task.id)"
+            @click="handleCardClick($event, task.id)"
             @dragstart="onDragStart($event, task.id)"
             @dragend="onDragEnd"
           >
@@ -457,6 +621,10 @@ onUnmounted(() => {
               <span class="prio-badge" :style="{ color: priorityColor(task.priority), borderColor: priorityColor(task.priority) }">
                 {{ priorityLabel(task.priority) }}
               </span>
+              <span v-if="task.isAgentTask" class="agent-badge" title="Agent-Task">🤖</span>
+              <span v-if="task.expectedFrom" class="expected-badge" :title="'Erwartet: ' + task.expectedFrom">
+                ⏳ {{ task.expectedFrom }}
+              </span>
               <span
                 v-if="task.assignedTo"
                 class="assignee"
@@ -492,7 +660,7 @@ onUnmounted(() => {
             type="button"
             class="card"
             draggable="true"
-            @click="openTask(task.id)"
+            @click="handleCardClick($event, task.id)"
             @dragstart="onDragStart($event, task.id)"
             @dragend="onDragEnd"
           >
@@ -534,8 +702,9 @@ onUnmounted(() => {
             :key="task.id"
             type="button"
             class="card card-blocked"
+            :class="{ 'card-agent': task.isAgentTask }"
             draggable="true"
-            @click="openTask(task.id)"
+            @click="handleCardClick($event, task.id)"
             @dragstart="onDragStart($event, task.id)"
             @dragend="onDragEnd"
           >
@@ -543,6 +712,10 @@ onUnmounted(() => {
               <span class="prio-badge" :style="{ color: priorityColor(task.priority), borderColor: priorityColor(task.priority) }">
                 {{ priorityLabel(task.priority) }}
               </span>
+              <span v-if="task.isAgentTask" class="agent-badge" title="Agent-Task">🤖</span>
+              <span v-if="task.expectedFrom" class="expected-badge" :title="'Erwartet: ' + task.expectedFrom">
+                ⏳ {{ task.expectedFrom }}
+              </span>
               <span
                 v-if="task.assignedTo"
                 class="assignee"
@@ -602,6 +775,9 @@ onUnmounted(() => {
                 <select id="task-assignee" v-model="formAssignedTo" class="field-input field-select">
                   <option value="bao">👤 Bao</option>
                   <option value="iris">🤖 Iris</option>
+                  <option value="programmer">🛠 Programmer</option>
+                  <option value="reviewer">🔎 Reviewer</option>
+                  <option value="architekt">🏛 Architekt</option>
                 </select>
               </div>
             </div>
@@ -634,6 +810,8 @@ onUnmounted(() => {
                 <input v-model="detailForm.title" class="detail-title-input" maxlength="240" />
                 <div class="detail-meta-row">
                   <span>#{{ selectedTask.id.slice(0, 8) }}</span>
+                  <span v-if="selectedTask.isAgentTask" class="meta-agent-tag">🤖 Agent-Task</span>
+                  <span v-if="selectedTask.expectedFrom" class="meta-expected">⏳ Erwartet: {{ selectedTask.expectedFrom }}</span>
                   <span><Clock3 :size="13" /> Aktualisiert {{ formatDate(selectedTask.updatedAt, true) }}</span>
                   <span><CalendarDays :size="13" /> Erstellt {{ formatDate(selectedTask.createdAt) }}</span>
                 </div>
@@ -686,8 +864,13 @@ onUnmounted(() => {
               <section class="sidebar-card">
                 <div class="sidebar-heading">Eigenschaften</div>
                 <label class="sidebar-field">
-                  <span>Status</span>
-                  <select v-model="detailForm.state" class="field-input field-select slim">
+                  <span>Status <span v-if="!canChangeState" class="readonly-tag">(nur Iris/Bao)</span></span>
+                  <select
+                    v-model="detailForm.state"
+                    class="field-input field-select slim"
+                    :disabled="!canChangeState"
+                    :title="!canChangeState ? 'Statusänderungen sind nur Iris und Bao vorbehalten' : ''"
+                  >
                     <option value="Backlog">Offen</option>
                     <option value="In progress">In Bearbeitung</option>
                     <option value="Delegated">Delegiert</option>
@@ -736,6 +919,14 @@ onUnmounted(() => {
                     <dt>Fällig</dt>
                     <dd>{{ formatDate(selectedTask.dueDate) }}</dd>
                   </div>
+                  <div v-if="selectedTask.isAgentTask">
+                    <dt>Agent-Task</dt>
+                    <dd>🤖 Ja</dd>
+                  </div>
+                  <div v-if="selectedTask.expectedFrom">
+                    <dt>Erwartet von</dt>
+                    <dd>{{ selectedTask.expectedFrom }}</dd>
+                  </div>
                 </dl>
               </section>
 
@@ -745,9 +936,9 @@ onUnmounted(() => {
               <div class="detail-actions">
                 <button type="button" class="btn-cancel" @click="closeDetailPanel">Schließen</button>
                 <button type="button" class="btn-ghost" @click="router.push('/tasks/' + selectedTask.id)">
-                  <ExternalLink :size="13" /> Vollansicht
+                  <ExternalLink :size="13" /> Vollansicht öffnen
                 </button>
-                <button type="button" class="btn-submit" :disabled="!canSaveDetail" @click="saveTaskDetail">
+                <button type="button" class="btn-submit" :disabled="!canSaveDetail || (detailForm.state !== selectedTask.state && !canChangeState)" @click="saveTaskDetail">
                   <Save :size="14" />
                   {{ detailSaving ? 'Speichert…' : 'Speichern' }}
                 </button>
@@ -774,15 +965,55 @@ onUnmounted(() => {
 .board-header h1 { margin: 0; font-size: 22px; font-weight: 700; font-family: 'Space Grotesk', sans-serif; letter-spacing: -0.02em; }
 .grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
 .board-subtitle { margin: 4px 0 0; font-size: 11px; color: var(--tx-3); font-family: 'Manrope', sans-serif; }
+.board-header-actions { display: flex; align-items: center; gap: 8px; }
 .create-btn { display: flex; align-items: center; gap: 6px; padding: 8px 16px; border: none; border-radius: var(--r-sm, 10px); background: var(--grad); color: #fff; font-size: 12.5px; font-weight: 600; font-family: 'Manrope', sans-serif; cursor: pointer; transition: opacity .15s, transform .15s; flex-shrink: 0; box-shadow: var(--glow-purple); }
 .create-btn:hover { opacity: .85; transform: translateY(-1px); }
 .create-btn:active { transform: translateY(0); }
+.iris-panel-btn { display: flex; align-items: center; gap: 6px; padding: 8px 14px; border: 1px solid var(--a-mid); border-radius: var(--r-sm, 10px); background: rgba(124,108,255,.10); color: var(--a-mid); font-size: 12px; font-weight: 600; font-family: 'Manrope', sans-serif; cursor: pointer; transition: background .15s, border-color .15s; }
+.iris-panel-btn:hover { background: rgba(124,108,255,.18); }
+.panel-badge { font-size: 9px; font-weight: 700; padding: 1px 6px; border-radius: 6px; }
+.iris-badge { background: rgba(147, 51, 234, .25); color: #c084fc; }
+.stale-badge { background: rgba(244, 63, 94, .25); color: #fda4af; }
+
+/* Stale Banner */
+.stale-banner { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: var(--r-sm, 10px); background: rgba(244,63,94,.10); border: 1px solid rgba(244,63,94,.25); color: #fda4af; font-size: 12px; font-family: 'Manrope', sans-serif; }
+.stale-dismiss { margin-left: auto; padding: 4px 12px; border: 1px solid rgba(244,63,94,.3); border-radius: 8px; background: transparent; color: #fda4af; font-size: 11px; font-weight: 600; font-family: 'Manrope', sans-serif; cursor: pointer; }
+
+/* Iris Panel */
+.iris-panel { background: var(--glass); border: 1px solid var(--line-2); border-radius: var(--r, 14px); padding: 16px; backdrop-filter: blur(12px); }
+.iris-panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
+.iris-panel-header h3 { margin: 0; font-size: 14px; font-weight: 700; color: var(--tx); display: flex; align-items: center; gap: 8px; font-family: 'Space Grotesk', sans-serif; }
+.iris-loading { padding: 20px; text-align: center; color: var(--tx-3); font-size: 12px; }
+.iris-panel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
+.iris-section { background: rgba(255,255,255,.02); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
+.iris-section-title { display: flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-2); margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
+.section-dot { width: 8px; height: 8px; border-radius: 50%; }
+.iris-dot { background: #c084fc; }
+.bao-dot { background: #60a5fa; }
+.other-dot { background: #fb923c; }
+.stale-dot { background: #f87171; }
+.section-count { margin-left: auto; font-family: 'JetBrains Mono', monospace; font-size: 10px; padding: 1px 6px; border-radius: 6px; background: var(--glass-2); color: var(--tx-2); }
+.stale-count { background: rgba(244,63,94,.15); color: #fda4af; }
+.iris-empty { font-size: 11px; color: var(--tx-3); font-style: italic; padding: 8px; text-align: center; }
+.iris-task-row { padding: 6px 8px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 6px; }
+.iris-task-row:last-child { border-bottom: none; }
+.iris-task-title { font-size: 11.5px; font-weight: 500; color: var(--tx); }
+.iris-task-meta { font-size: 10px; color: var(--tx-3); white-space: nowrap; }
+.stale-row { background: rgba(244,63,94,.05); border-radius: 4px; }
+.stale-meta { color: #fda4af; font-weight: 600; }
+.iris-section-stale { border-color: rgba(244,63,94,.25); background: rgba(244,63,94,.04); }
+
 .board-loading { display: flex; align-items: center; gap: 10px; padding: 40px; color: var(--tx-3); font-size: 13px; font-family: 'Manrope', sans-serif; }
 .spinner { width: 20px; height: 20px; border: 2px solid var(--line-2); border-top-color: var(--a-mid); border-radius: 50%; animation: spin .6s linear infinite; }
 @keyframes spin { to { transform: rotate(360deg); } }
 .board-columns { display: flex; gap: 14px; flex: 1; overflow-x: auto; padding-bottom: 20px; min-height: calc(100vh - 200px); scrollbar-width: thin; scrollbar-color: rgba(124,108,255,.22) transparent; }
 .col { flex: 1; min-width: 240px; max-width: 320px; display: flex; flex-direction: column; background: var(--glass); border: 1px solid var(--line); border-radius: var(--r, 14px); padding: 12px; transition: border-color .2s, background .2s; backdrop-filter: blur(12px); }
 .col.drag-over { border-color: var(--a-mid); background: linear-gradient(160deg, rgba(124,108,255,.10), rgba(20,17,48,.55)); box-shadow: 0 0 0 1px rgba(124,108,255,.15); }
+
+/* Permission Banner */
+.permission-banner { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: var(--r-sm, 10px); background: rgba(147,51,234,.08); border: 1px solid rgba(147,51,234,.2); color: #c084fc; font-size: 12px; font-family: 'Manrope', sans-serif; }
+.readonly-tag { font-weight: 400; color: var(--tx-3); font-size: 10px; text-transform: none; }
+select:disabled { opacity: .45; cursor: not-allowed; }
 .col-blocked { max-width: 240px; }
 .col-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
 .col-icon { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
@@ -794,8 +1025,11 @@ onUnmounted(() => {
 .card:active { cursor: grabbing; }
 .card.dragging { opacity: .4; cursor: grabbing; }
 .card-blocked { border-left: 3px solid var(--st-block); }
-.card-top { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
+.card-agent { border-left: 2px solid rgba(124,108,255,.3); }
+.card-top { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
 .prio-badge { font-family: 'JetBrains Mono', monospace; font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 4px; border: 1px solid; background: transparent; }
+.agent-badge { font-size: 11px; line-height: 1; }
+.expected-badge { font-family: 'JetBrains Mono', monospace; font-size: 8px; font-weight: 600; padding: 1px 5px; border-radius: 4px; background: rgba(147,51,234,.08); color: #a78bfa; border: 1px solid rgba(147,51,234,.15); }
 .assignee { font-family: 'Manrope', sans-serif; font-size: 10px; font-weight: 600; padding: 1px 6px; border-radius: 4px; }
 .assignee-iris { background: rgba(147, 51, 234, .12); color: #c084fc; }
 .assignee-bao { background: rgba(59, 130, 246, .12); color: #60a5fa; }
@@ -803,6 +1037,8 @@ onUnmounted(() => {
 .card-preview { margin-top: 6px; font-size: 11px; line-height: 1.45; color: var(--tx-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
 .card-meta { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--tx-3); margin-top: 5px; font-variant-numeric: tabular-nums; }
 .empty-col, .detail-empty { display: flex; align-items: center; justify-content: center; padding: 24px 12px; font-size: 11px; color: var(--tx-3); font-style: italic; font-family: 'Manrope', sans-serif; }
+
+/* Modal / Detail shared styles */
 .modal-overlay, .detail-overlay { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; background: rgba(5,4,16,.75); backdrop-filter: blur(16px); }
 .modal-card { width: 100%; max-width: 460px; background: linear-gradient(160deg, rgba(20,17,48,.85), rgba(14,12,32,.85)); border: 1px solid var(--line-2); border-radius: var(--r, 14px); padding: 24px; box-shadow: 0 0 0 1px rgba(124,108,255,.12), 0 20px 60px -12px rgba(0,0,0,.5); backdrop-filter: blur(12px); }
 .modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
@@ -829,6 +1065,8 @@ onUnmounted(() => {
 .btn-submit { padding: 7px 18px; border: none; border-radius: var(--r-sm, 10px); background: var(--grad); color: #fff; font-size: 12px; font-weight: 600; font-family: 'Manrope', sans-serif; cursor: pointer; transition: opacity .15s, transform .15s; box-shadow: var(--glow-purple); display: inline-flex; align-items: center; gap: 6px; }
 .btn-submit:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
 .btn-submit:not(:disabled):hover { opacity: .85; transform: translateY(-1px); }
+
+/* Detail Panel */
 .detail-panel { width: min(1120px, calc(100vw - 48px)); height: min(88vh, 860px); display: flex; flex-direction: column; background: linear-gradient(180deg, rgba(13,11,28,.97), rgba(10,9,24,.96)); border: 1px solid rgba(124,108,255,.18); border-radius: 22px; box-shadow: 0 28px 90px rgba(0,0,0,.45); overflow: hidden; }
 .detail-topbar { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--line); }
 .detail-breadcrumb { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--tx-3); }
@@ -846,6 +1084,8 @@ onUnmounted(() => {
 .detail-title-input { background: transparent; border: 1px solid transparent; border-radius: 12px; padding: 0; color: var(--tx); font-family: 'Space Grotesk', sans-serif; font-size: 31px; font-weight: 700; letter-spacing: -0.03em; outline: none; }
 .detail-meta-row { display: flex; flex-wrap: wrap; gap: 14px; color: var(--tx-3); font-size: 11.5px; }
 .detail-meta-row span { display: inline-flex; align-items: center; gap: 5px; }
+.meta-agent-tag { color: #c084fc; }
+.meta-expected { color: #a78bfa; }
 .detail-section { background: rgba(255,255,255,.02); border: 1px solid var(--line); border-radius: 16px; padding: 16px; }
 .detail-section-header, .sidebar-heading { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--tx-2); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
 .detail-textarea { width: 100%; min-height: 180px; border-radius: 12px; border: 1px solid var(--line); background: rgba(10,9,24,.55); color: var(--tx); padding: 14px; font-size: 14px; line-height: 1.6; outline: none; box-sizing: border-box; }
@@ -875,4 +1115,6 @@ onUnmounted(() => {
 .board-columns::-webkit-scrollbar-track { background: transparent; }
 @media (max-width: 1100px) { .detail-content { grid-template-columns: 1fr; } .detail-sidebar { border-left: none; border-top: 1px solid var(--line); } }
 @media (max-width: 860px) { .board-columns { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: thin; } .col { min-width: 260px; } .detail-panel { width: 100vw; height: 100vh; border-radius: 0; } .detail-grid { grid-template-columns: 1fr; } .detail-main, .detail-sidebar { padding: 18px; } .detail-title-input { font-size: 24px; } }
+@media (max-width: 900px) { .iris-panel-grid { grid-template-columns: repeat(2, 1fr); } }
+@media (max-width: 600px) { .iris-panel-grid { grid-template-columns: 1fr; } }
 </style>

phases/changelog.md

@@ -2,6 +2,55 @@
 
 > Letzte Aktualisierung: 2026-06-20
 
+- 2026-06-20: **Bao-Status-Change + Content-Change-Benachrichtigung aktiviert.**
+  - **Neue Autorisierungsregel (TaskStateHelper.CanChangeState):**
+    - **Iris + Bao** dürfen jetzt Status ändern / verschieben.
+    - Sub-Agents (`programmer`, `reviewer`, `architekt`) dürfen weiterhin NIEMALS Status ändern.
+    - `nexus-system` bleibt als technischer Fallback erlaubt.
+  - **Neue Methode `CanEditContent`:** Bestätigt, dass alle bekannten Caller (bao, iris, sub-agents, nexus-system) Inhalt bearbeiten dürfen.
+  - **Benachrichtigungen bei Bao-Änderungen:**
+    - Wenn Bao eine Task inhaltlich ändert (Titel, Detail, Priorität, AssignedTo, DueDate), erhält **Iris** eine `task_content_changed`-Notification mit Detailangabe, WAS geändert wurde.
+    - Wenn Bao den Status ändert, erhält **Iris** eine `task_status_changed`-Notification.
+    - Wenn Iris den Status ändert, erhält **Bao** eine `task_status_changed`-Notification.
+  - **Verbesserte Activity-Einträge:** Zeigen jetzt detailliert, was sich geändert hat (statt nur "Task updated").
+  - **Geänderte Fehlermeldungen:** DashboardController und TasksController zeigen jetzt "nur Iris und Bao" statt "nur Iris".
+  - **Frontend:** `canChangeState`-Computed prüft jetzt `authStore.isIris || authStore.isBao`. Permission-Banner, State-Dropdown-Readonly-Tag und Tooltips aktualisiert. Neuer `isBao`-Getter im Auth-Store.
+  - **Tests:** `CanChangeState_Bao_CannotChangeAnyTask` → `CanChangeState_Bao_CanChangeAnyTask`. Neue Tests für `CanEditContent`.
+  - Geänderte Dateien: Backend `Entities.cs`, `TaskService.cs`, `DashboardController.cs`, `TasksController.cs`;
+    Frontend `TaskBoardView.vue`, `auth.ts`; Tests `TaskBoardTests.cs`; Docs `changelog.md`.
+
+- 2026-06-20: **Agent-Task-Workflow implementiert.**
+  - **Neue Felder in WorkTask-Entity:** `IsAgentTask` (bool, Index) und `ExpectedFrom` (string? MaxLength 60, Index).
+    Agent-Tasks sind als solche im Board erkennbar (🤖 Badge) und unterliegen einem strikt von Iris geführten Statusfluss.
+  - **Status-Change-Autorisierung:** `TaskStateHelper.CanChangeState()` prüft jetzt strikt:
+      - **Nur `iris`** darf Status ändern oder Karten verschieben.
+      - Sub-Agents (`programmer`, `reviewer`, `architekt`) dürfen **niemals** Status ändern.
+      - `bao` darf Tasks inhaltlich bearbeiten, aber **keinen** Status ändern.
+      - Der technische Fallback `nexus-system` darf Status nur für interne Systempfade wie automatische Reset-/Cron-Operationen ändern.
+    Caller wird via `X-Agent-Id`-Header oder JWT-Claim aufgelöst; HTTP-Fallback ist **nicht** mehr `bao`, sondern leer und wird für Statusänderungen abgewiesen.
+  - **Neue API-Endpunkte:**
+      - `POST /api/dashboard/tasks/agent` – Agent-Task anlegen (mit `expectedFrom`).
+      - `GET /api/dashboard/tasks/agent-waiting` – Offene Agent-Tasks nach Erwartung.
+      - `GET /api/dashboard/tasks/agent-overview?staleHours=2` – Komplette Iris-Übersicht:
+        `waitingForBao`, `waitingForIris`, `waitingForOthers`, `staleTasks`.
+  - **Neue Service-Methoden:** `CreateAgentTaskAsync`, `GetWaitingTasksAsync`, `GetAgentWorkflowOverviewAsync`.
+  - **DashboardController-Sicherheit:** `UpdateTaskStatus` und `MoveTask` prüfen jetzt via
+    `ResolveCallerAgent()` + `TaskStateHelper.CanChangeState()`. Bei Verstoß: **403** mit klarer Iris-only-Fehlermeldung.
+  - **Frontend:**
+      - TaskBoardView: Agent-Task-Badge (🤖), ExpectedFrom-Label (⏳), Stale-Banner,
+        kollabierbares Iris-Overview-Panel („Iris – Worauf warte ich?“) mit 4 Sektionen:
+        Warte auf Iris / Bao / Andere / Stale Tasks.
+      - Für Nicht-Iris: Permission-Banner, kein wirksames Drag&Drop, Status-Dropdown deaktiviert.
+      - tasks.ts-Store: `fetchAgentOverview()`, `createAgentTask()`, Getter für Iris-Ansicht.
+      - Detail-Panel: zeigt Agent-Task-Status und ExpectedFrom im Snapshot.
+  - **Tests:** TaskStateHelper-Coverage erweitert um `CanChangeState`.
+  - **Dokumentation:** Changelog aktualisiert.
+  - Geänderte Dateien: siehe Backend `Entities.cs`, `TaskService.cs`, `ITaskService.cs`, `DashboardController.cs`,
+    `Dashboard.cs` (Models), `NexusDbContext.cs`; Frontend `tasks.ts`, `TaskBoardView.vue`.
+
+- 2026-06-20: Nexus-Auth-Persistenz live verifiziert.
+
+- 2026-06-20: Nexus-Auth-Persistenz live verifiziert. Owner-Passwort in der produktiven Postgres-DB geprüft, Stack vollständig neu gestartet und anschließend `postgres`, `api` und `web` per `docker:cli compose up -d --force-recreate` neu erstellt, ohne das DB-Volume zu löschen. Ergebnis: `/health/live` blieb healthy, der Passwort-Hash für `vmbao62@hotmail.de` blieb vor und nach Restart/Recreate identisch. Wichtiges Learning: temporäre Passwörter oder Auth-Fixes niemals an Bao weitergeben, bevor der echte Live-Login oder mindestens der persistierte DB-Hash auf dem Zielstack verifiziert ist.
 - 2026-06-20: Task Board um klickbare Linear-inspirierte Detailansicht erweitert: Board-Karten öffnen jetzt ein strukturiertes Side/Overlay-Detailpanel mit editierbarem Titel, Beschreibung, Status, Priorität, Zuständigkeit und Fälligkeitsdatum sowie geladener Aktivität und Unteraufgaben. `frontend/src/views/TaskBoardView.vue` und `frontend/src/stores/tasks.ts` angepasst. Verifiziert mit `COREPACK_HOME=$PWD/.corepack-home PNPM_HOME=$PWD/.pnpm-home pnpm build`.
 - 2026-06-19: Task-Board-Doku-Drift behoben: Header-Kommentar in TaskBoardView.vue von "4 columns" auf "6 columns" (Offen, InBearbeitung, Delegiert, Review, Blockiert, Erledigt) korrigiert. tasks.ts-Store-Kopfkommentar um delegated ergänzt.
 - 2026-06-19: Veralteter TODO.md-Import entfernt: `ImportFromIrisTodoAsync` in TaskService.cs, ITaskService.cs und der import-from-iris-todo-API-Endpoint in DashboardController.cs gelöscht. ImportResultDto aus Models/Dashboard.cs entfernt. TODO.md ist abgeschafft, Task Board alleinige Quelle.