Fix inbox creation issues in agent coordinator

- Fixed Task.new/3 to handle both maps and keyword lists
- Added robust inbox existence checking in find_available_agent
- Ensure inbox creation during agent registration and task assignment
- Add helper function ensure_inbox_exists to avoid crashes

scripts/mcp_launcher.sh

@@ -0,0 +1,109 @@
+#!/bin/bash
+
+# AgentCoordinator Unified MCP Server Launcher
+# This script starts the unified MCP server that manages all external MCP servers
+# and provides automatic task tracking with heartbeat coverage
+
+set -e
+
+export PATH="$HOME/.asdf/shims:$PATH"
+
+# Change to the project directory
+cd "$(dirname "$0")/.."
+
+# Set environment
+export MIX_ENV="${MIX_ENV:-dev}"
+export NATS_HOST="${NATS_HOST:-localhost}"
+export NATS_PORT="${NATS_PORT:-4222}"
+
+# Log startup
+echo "Starting AgentCoordinator Unified MCP Server..." >&2
+echo "Environment: $MIX_ENV" >&2
+echo "NATS: $NATS_HOST:$NATS_PORT" >&2
+
+# Start the Elixir application with unified MCP server
+exec mix run --no-halt -e "
+# Ensure all applications are started
+{:ok, _} = Application.ensure_all_started(:agent_coordinator)
+
+# Start services that are NOT in the application supervisor
+# TaskRegistry is already started by the application supervisor, so we skip it
+case AgentCoordinator.MCPServerManager.start_link([config_file: \"mcp_servers.json\"]) do
+  {:ok, _} -> :ok
+  {:error, {:already_started, _}} -> :ok
+  {:error, reason} -> raise \"Failed to start MCPServerManager: #{inspect(reason)}\"
+end
+
+case AgentCoordinator.UnifiedMCPServer.start_link() do
+  {:ok, _} -> :ok
+  {:error, {:already_started, _}} -> :ok
+  {:error, reason} -> raise \"Failed to start UnifiedMCPServer: #{inspect(reason)}\"
+end
+
+# Log that we're ready
+IO.puts(:stderr, \"Unified MCP server ready with automatic task tracking\")
+
+# Handle MCP JSON-RPC messages through the unified server
+defmodule UnifiedMCPStdio do
+  def start do
+    spawn_link(fn -> message_loop() end)
+    Process.sleep(:infinity)
+  end
+
+  defp message_loop do
+    case IO.read(:stdio, :line) do
+      :eof ->
+        IO.puts(:stderr, \"Unified MCP server shutting down\")
+        System.halt(0)
+      {:error, reason} ->
+        IO.puts(:stderr, \"IO Error: #{inspect(reason)}\")
+        System.halt(1)
+      line ->
+        handle_message(String.trim(line))
+        message_loop()
+    end
+  end
+
+  defp handle_message(\"\"), do: :ok
+  defp handle_message(json_line) do
+    try do
+      request = Jason.decode!(json_line)
+
+      # Route through unified MCP server for automatic task tracking
+      response = AgentCoordinator.UnifiedMCPServer.handle_mcp_request(request)
+      IO.puts(Jason.encode!(response))
+    rescue
+      e in Jason.DecodeError ->
+        error_response = %{
+          \"jsonrpc\" => \"2.0\",
+          \"id\" => nil,
+          \"error\" => %{
+            \"code\" => -32700,
+            \"message\" => \"Parse error: #{Exception.message(e)}\"
+          }
+        }
+        IO.puts(Jason.encode!(error_response))
+      e ->
+        # Try to get the ID from the malformed request
+        id = try do
+          partial = Jason.decode!(json_line)
+          Map.get(partial, \"id\")
+        rescue
+          _ -> nil
+        end
+
+        error_response = %{
+          \"jsonrpc\" => \"2.0\",
+          \"id\" => id,
+          \"error\" => %{
+            \"code\" => -32603,
+            \"message\" => \"Internal error: #{Exception.message(e)}\"
+          }
+        }
+        IO.puts(Jason.encode!(error_response))
+    end
+  end
+end
+
+UnifiedMCPStdio.start()
+"