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/test_mcp_stdio.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Test script for MCP server stdio interface
+
+echo "🧪 Testing AgentCoordinator MCP Server via stdio"
+echo "================================================"
+
+# Start the MCP server in background
+./mcp_launcher.sh &
+MCP_PID=$!
+
+# Give it time to start
+sleep 3
+
+# Function to send MCP request and get response
+send_mcp_request() {
+    local request="$1"
+    echo "📤 Sending: $request"
+    echo "$request" | nc localhost 12345 2>/dev/null || echo "$request" >&${MCP_PID}
+    sleep 1
+}
+
+# Test 1: Get tools list
+echo -e "\n1️⃣ Testing tools/list..."
+TOOLS_REQUEST='{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
+send_mcp_request "$TOOLS_REQUEST"
+
+# Test 2: Register agent
+echo -e "\n2️⃣ Testing register_agent..."
+REGISTER_REQUEST='{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"register_agent","arguments":{"name":"TestAgent","capabilities":["coding","testing"]}}}'
+send_mcp_request "$REGISTER_REQUEST"
+
+# Test 3: Create task
+echo -e "\n3️⃣ Testing create_task..."
+TASK_REQUEST='{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"create_task","arguments":{"title":"Test Task","description":"A test task","priority":"medium","required_capabilities":["coding"]}}}'
+send_mcp_request "$TASK_REQUEST"
+
+# Test 4: Get task board
+echo -e "\n4️⃣ Testing get_task_board..."
+BOARD_REQUEST='{"jsonrpc":"2.0","id":4,"method":"tools/call","params":{"name":"get_task_board","arguments":{}}}'
+send_mcp_request "$BOARD_REQUEST"
+
+# Clean up
+sleep 2
+kill $MCP_PID 2>/dev/null
+echo -e "\n✅ MCP server test completed"