Prepare for v2 development: Add MCP integration and future development planning

- Add FUTURE_DEVELOPMENT.md with comprehensive v2 protocol specification - Add MCP integration design and implementation foundation - Add infrastructure and deployment configurations - Update system architecture for v2 evolution 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
2025-08-07 14:38:22 +10:00
parent 5f94288fbb
commit 065dddf8d5
41 changed files with 14970 additions and 161 deletions
--- a/pkg/mcp/server.go
+++ b/pkg/mcp/server.go
@@ -0,0 +1,628 @@
+package mcp
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/anthonyrawlins/bzzz/logging"
+	"github.com/anthonyrawlins/bzzz/p2p"
+	"github.com/anthonyrawlins/bzzz/pubsub"
+	"github.com/gorilla/websocket"
+	"github.com/sashabaranov/go-openai"
+)
+
+// McpServer integrates BZZZ P2P network with MCP protocol for GPT-4 agents
+type McpServer struct {
+	// Core components
+	p2pNode      *p2p.Node
+	pubsub       *pubsub.PubSub
+	hlog         *logging.HypercoreLog
+	openaiClient *openai.Client
+	
+	// Agent management
+	agents       map[string]*GPTAgent
+	agentsMutex  sync.RWMutex
+	
+	// Server configuration
+	httpServer   *http.Server
+	wsUpgrader   websocket.Upgrader
+	
+	// Context and lifecycle
+	ctx          context.Context
+	cancel       context.CancelFunc
+	
+	// Statistics and monitoring
+	stats        *ServerStats
+}
+
+// ServerStats tracks MCP server performance metrics
+type ServerStats struct {
+	StartTime           time.Time
+	TotalRequests       int64
+	ActiveAgents        int
+	MessagesProcessed   int64
+	TokensConsumed      int64
+	AverageCostPerTask  float64
+	ErrorRate           float64
+	mutex               sync.RWMutex
+}
+
+// GPTAgent represents a GPT-4 agent integrated with BZZZ network
+type GPTAgent struct {
+	ID              string
+	Role            AgentRole
+	Model           string
+	SystemPrompt    string
+	Capabilities    []string
+	Specialization  string
+	MaxTasks        int
+	
+	// State management
+	Status          AgentStatus
+	CurrentTasks    map[string]*AgentTask
+	Memory          *AgentMemory
+	
+	// Cost tracking
+	TokenUsage      *TokenUsage
+	CostLimits      *CostLimits
+	
+	// P2P Integration
+	NodeID          string
+	LastAnnouncement time.Time
+	
+	// Conversation participation
+	ActiveThreads   map[string]*ConversationThread
+	
+	mutex           sync.RWMutex
+}
+
+// AgentRole defines the role and responsibilities of an agent
+type AgentRole string
+
+const (
+	RoleArchitect      AgentRole = "architect"
+	RoleReviewer       AgentRole = "reviewer"
+	RoleDocumentation  AgentRole = "documentation"
+	RoleDeveloper      AgentRole = "developer"
+	RoleTester         AgentRole = "tester"
+	RoleSecurityExpert AgentRole = "security_expert"
+	RoleDevOps         AgentRole = "devops"
+)
+
+// AgentStatus represents the current state of an agent
+type AgentStatus string
+
+const (
+	StatusIdle         AgentStatus = "idle"
+	StatusActive       AgentStatus = "active"
+	StatusCollaborating AgentStatus = "collaborating"
+	StatusEscalating   AgentStatus = "escalating"
+	StatusTerminating  AgentStatus = "terminating"
+)
+
+// AgentTask represents a task being worked on by an agent
+type AgentTask struct {
+	ID          string
+	Title       string
+	Repository  string
+	Number      int
+	StartTime   time.Time
+	Status      string
+	ThreadID    string
+	Context     map[string]interface{}
+}
+
+// AgentMemory manages agent memory and learning
+type AgentMemory struct {
+	WorkingMemory    map[string]interface{}
+	EpisodicMemory   []ConversationEpisode
+	SemanticMemory   *KnowledgeGraph
+	ThreadMemories   map[string]*ThreadMemory
+	mutex            sync.RWMutex
+}
+
+// ConversationEpisode represents a past interaction
+type ConversationEpisode struct {
+	Timestamp    time.Time
+	Participants []string
+	Topic        string
+	Summary      string
+	Outcome      string
+	Lessons      []string
+	TokensUsed   int
+}
+
+// ConversationThread represents an active conversation
+type ConversationThread struct {
+	ID           string
+	Topic        string
+	Participants []AgentParticipant
+	Messages     []ThreadMessage
+	State        ThreadState
+	SharedContext map[string]interface{}
+	DecisionLog   []Decision
+	CreatedAt     time.Time
+	LastActivity  time.Time
+	mutex         sync.RWMutex
+}
+
+// AgentParticipant represents an agent participating in a conversation
+type AgentParticipant struct {
+	AgentID string
+	Role    AgentRole
+	Status  ParticipantStatus
+}
+
+// ParticipantStatus represents the status of a participant in a conversation
+type ParticipantStatus string
+
+const (
+	ParticipantStatusInvited ParticipantStatus = "invited"
+	ParticipantStatusActive  ParticipantStatus = "active"
+	ParticipantStatusIdle    ParticipantStatus = "idle"
+	ParticipantStatusLeft    ParticipantStatus = "left"
+)
+
+// ThreadMessage represents a message in a conversation thread
+type ThreadMessage struct {
+	ID          string
+	From        string
+	Role        AgentRole
+	Content     string
+	MessageType pubsub.MessageType
+	Timestamp   time.Time
+	ReplyTo     string
+	TokenCount  int
+	Model       string
+}
+
+// ThreadState represents the state of a conversation thread
+type ThreadState string
+
+const (
+	ThreadStateActive    ThreadState = "active"
+	ThreadStateCompleted ThreadState = "completed"
+	ThreadStateEscalated ThreadState = "escalated"
+	ThreadStateClosed    ThreadState = "closed"
+)
+
+// Decision represents a decision made in a conversation
+type Decision struct {
+	ID          string
+	Description string
+	DecidedBy   []string
+	Timestamp   time.Time
+	Rationale   string
+	Confidence  float64
+}
+
+// NewMcpServer creates a new MCP server instance
+func NewMcpServer(
+	ctx context.Context,
+	node *p2p.Node,
+	ps *pubsub.PubSub,
+	hlog *logging.HypercoreLog,
+	openaiAPIKey string,
+) *McpServer {
+	serverCtx, cancel := context.WithCancel(ctx)
+	
+	server := &McpServer{
+		p2pNode:      node,
+		pubsub:       ps,
+		hlog:         hlog,
+		openaiClient: openai.NewClient(openaiAPIKey),
+		agents:       make(map[string]*GPTAgent),
+		ctx:          serverCtx,
+		cancel:       cancel,
+		wsUpgrader: websocket.Upgrader{
+			CheckOrigin: func(r *http.Request) bool { return true },
+		},
+		stats: &ServerStats{
+			StartTime: time.Now(),
+		},
+	}
+	
+	return server
+}
+
+// Start initializes and starts the MCP server
+func (s *McpServer) Start(port int) error {
+	// Set up HTTP handlers
+	mux := http.NewServeMux()
+	
+	// MCP WebSocket endpoint
+	mux.HandleFunc("/mcp", s.handleMCPWebSocket)
+	
+	// REST API endpoints
+	mux.HandleFunc("/api/agents", s.handleAgentsAPI)
+	mux.HandleFunc("/api/conversations", s.handleConversationsAPI)
+	mux.HandleFunc("/api/stats", s.handleStatsAPI)
+	mux.HandleFunc("/health", s.handleHealthCheck)
+	
+	// Start HTTP server
+	s.httpServer = &http.Server{
+		Addr:    fmt.Sprintf(":%d", port),
+		Handler: mux,
+	}
+	
+	go func() {
+		if err := s.httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			fmt.Printf("❌ MCP HTTP server error: %v\n", err)
+		}
+	}()
+	
+	// Start message handlers
+	go s.handleBzzzMessages()
+	go s.handleHmmmMessages()
+	
+	// Start periodic tasks
+	go s.periodicTasks()
+	
+	fmt.Printf("🚀 MCP Server started on port %d\n", port)
+	return nil
+}
+
+// Stop gracefully shuts down the MCP server
+func (s *McpServer) Stop() error {
+	s.cancel()
+	
+	// Stop all agents
+	s.agentsMutex.Lock()
+	for _, agent := range s.agents {
+		s.stopAgent(agent)
+	}
+	s.agentsMutex.Unlock()
+	
+	// Stop HTTP server
+	if s.httpServer != nil {
+		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		defer cancel()
+		return s.httpServer.Shutdown(ctx)
+	}
+	
+	return nil
+}
+
+// CreateGPTAgent creates a new GPT-4 agent
+func (s *McpServer) CreateGPTAgent(config *AgentConfig) (*GPTAgent, error) {
+	agent := &GPTAgent{
+		ID:              config.ID,
+		Role:            config.Role,
+		Model:           config.Model,
+		SystemPrompt:    config.SystemPrompt,
+		Capabilities:    config.Capabilities,
+		Specialization:  config.Specialization,
+		MaxTasks:        config.MaxTasks,
+		Status:          StatusIdle,
+		CurrentTasks:    make(map[string]*AgentTask),
+		Memory:          NewAgentMemory(),
+		TokenUsage:      NewTokenUsage(),
+		CostLimits:      config.CostLimits,
+		NodeID:          s.p2pNode.ID().ShortString(),
+		ActiveThreads:   make(map[string]*ConversationThread),
+	}
+	
+	s.agentsMutex.Lock()
+	s.agents[agent.ID] = agent
+	s.agentsMutex.Unlock()
+	
+	// Announce agent to BZZZ network
+	if err := s.announceAgent(agent); err != nil {
+		return nil, fmt.Errorf("failed to announce agent: %w", err)
+	}
+	
+	s.hlog.Append(logging.PeerJoined, map[string]interface{}{
+		"agent_id":      agent.ID,
+		"role":          string(agent.Role),
+		"capabilities":  agent.Capabilities,
+		"specialization": agent.Specialization,
+	})
+	
+	fmt.Printf("✅ Created GPT-4 agent: %s (%s)\n", agent.ID, agent.Role)
+	return agent, nil
+}
+
+// ProcessCollaborativeTask handles a task that requires multi-agent collaboration
+func (s *McpServer) ProcessCollaborativeTask(
+	task *AgentTask,
+	requiredRoles []AgentRole,
+) (*ConversationThread, error) {
+	
+	// Create conversation thread
+	thread := &ConversationThread{
+		ID:    fmt.Sprintf("task-%s-%d", task.Repository, task.Number),
+		Topic: fmt.Sprintf("Collaborative Task: %s", task.Title),
+		State: ThreadStateActive,
+		SharedContext: map[string]interface{}{
+			"task": task,
+			"required_roles": requiredRoles,
+		},
+		CreatedAt:    time.Now(),
+		LastActivity: time.Now(),
+	}
+	
+	// Find and invite agents
+	for _, role := range requiredRoles {
+		agents := s.findAgentsByRole(role)
+		if len(agents) == 0 {
+			return nil, fmt.Errorf("no available agents for role: %s", role)
+		}
+		
+		// Select best agent for this role
+		selectedAgent := s.selectBestAgent(agents, task)
+		
+		thread.Participants = append(thread.Participants, AgentParticipant{
+			AgentID: selectedAgent.ID,
+			Role:    role,
+			Status:  ParticipantStatusInvited,
+		})
+		
+		// Add thread to agent
+		selectedAgent.mutex.Lock()
+		selectedAgent.ActiveThreads[thread.ID] = thread
+		selectedAgent.mutex.Unlock()
+	}
+	
+	// Send initial collaboration request
+	if err := s.initiateCollaboration(thread); err != nil {
+		return nil, fmt.Errorf("failed to initiate collaboration: %w", err)
+	}
+	
+	return thread, nil
+}
+
+// handleMCPWebSocket handles WebSocket connections for MCP protocol
+func (s *McpServer) handleMCPWebSocket(w http.ResponseWriter, r *http.Request) {
+	conn, err := s.wsUpgrader.Upgrade(w, r, nil)
+	if err != nil {
+		fmt.Printf("❌ WebSocket upgrade failed: %v\n", err)
+		return
+	}
+	defer conn.Close()
+	
+	fmt.Printf("📡 MCP WebSocket connection established\n")
+	
+	// Handle MCP protocol messages
+	for {
+		var message map[string]interface{}
+		if err := conn.ReadJSON(&message); err != nil {
+			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
+				fmt.Printf("❌ WebSocket error: %v\n", err)
+			}
+			break
+		}
+		
+		// Process MCP message
+		response, err := s.processMCPMessage(message)
+		if err != nil {
+			fmt.Printf("❌ MCP message processing error: %v\n", err)
+			response = map[string]interface{}{
+				"error": err.Error(),
+			}
+		}
+		
+		if err := conn.WriteJSON(response); err != nil {
+			fmt.Printf("❌ WebSocket write error: %v\n", err)
+			break
+		}
+	}
+}
+
+// processMCPMessage processes incoming MCP protocol messages
+func (s *McpServer) processMCPMessage(message map[string]interface{}) (map[string]interface{}, error) {
+	method, ok := message["method"].(string)
+	if !ok {
+		return nil, fmt.Errorf("missing or invalid method")
+	}
+	
+	params, _ := message["params"].(map[string]interface{})
+	
+	switch method {
+	case "tools/list":
+		return s.listTools(), nil
+	case "tools/call":
+		return s.callTool(params)
+	case "resources/list":
+		return s.listResources(), nil
+	case "resources/read":
+		return s.readResource(params)
+	default:
+		return nil, fmt.Errorf("unknown method: %s", method)
+	}
+}
+
+// callTool handles tool execution requests
+func (s *McpServer) callTool(params map[string]interface{}) (map[string]interface{}, error) {
+	toolName, ok := params["name"].(string)
+	if !ok {
+		return nil, fmt.Errorf("missing tool name")
+	}
+	
+	args, _ := params["arguments"].(map[string]interface{})
+	
+	switch toolName {
+	case "bzzz_announce":
+		return s.handleBzzzAnnounce(args)
+	case "bzzz_lookup":
+		return s.handleBzzzLookup(args)
+	case "bzzz_get":
+		return s.handleBzzzGet(args)
+	case "bzzz_post":
+		return s.handleBzzzPost(args)
+	case "bzzz_thread":
+		return s.handleBzzzThread(args)
+	case "bzzz_subscribe":
+		return s.handleBzzzSubscribe(args)
+	default:
+		return nil, fmt.Errorf("unknown tool: %s", toolName)
+	}
+}
+
+// handleBzzzAnnounce implements the bzzz_announce tool
+func (s *McpServer) handleBzzzAnnounce(args map[string]interface{}) (map[string]interface{}, error) {
+	agentID, ok := args["agent_id"].(string)
+	if !ok {
+		return nil, fmt.Errorf("agent_id is required")
+	}
+	
+	role, ok := args["role"].(string)
+	if !ok {
+		return nil, fmt.Errorf("role is required")
+	}
+	
+	// Create announcement message
+	announcement := map[string]interface{}{
+		"agent_id":      agentID,
+		"role":          role,
+		"capabilities":  args["capabilities"],
+		"specialization": args["specialization"],
+		"max_tasks":     args["max_tasks"],
+		"announced_at":  time.Now(),
+		"node_id":       s.p2pNode.ID().ShortString(),
+	}
+	
+	// Publish to BZZZ network
+	if err := s.pubsub.PublishBzzzMessage(pubsub.CapabilityBcast, announcement); err != nil {
+		return nil, fmt.Errorf("failed to announce: %w", err)
+	}
+	
+	return map[string]interface{}{
+		"success": true,
+		"message": fmt.Sprintf("Agent %s (%s) announced to network", agentID, role),
+	}, nil
+}
+
+// Additional tool handlers would be implemented here...
+
+// Helper methods
+
+// announceAgent announces an agent to the BZZZ network
+func (s *McpServer) announceAgent(agent *GPTAgent) error {
+	announcement := map[string]interface{}{
+		"type":           "gpt_agent_announcement",
+		"agent_id":       agent.ID,
+		"role":           string(agent.Role),
+		"capabilities":   agent.Capabilities,
+		"specialization": agent.Specialization,
+		"max_tasks":      agent.MaxTasks,
+		"model":          agent.Model,
+		"node_id":        agent.NodeID,
+		"timestamp":      time.Now(),
+	}
+	
+	return s.pubsub.PublishBzzzMessage(pubsub.CapabilityBcast, announcement)
+}
+
+// findAgentsByRole finds all agents with a specific role
+func (s *McpServer) findAgentsByRole(role AgentRole) []*GPTAgent {
+	s.agentsMutex.RLock()
+	defer s.agentsMutex.RUnlock()
+	
+	var agents []*GPTAgent
+	for _, agent := range s.agents {
+		if agent.Role == role && agent.Status == StatusIdle {
+			agents = append(agents, agent)
+		}
+	}
+	
+	return agents
+}
+
+// selectBestAgent selects the best agent for a task
+func (s *McpServer) selectBestAgent(agents []*GPTAgent, task *AgentTask) *GPTAgent {
+	if len(agents) == 0 {
+		return nil
+	}
+	
+	// Simple selection: least busy agent
+	bestAgent := agents[0]
+	for _, agent := range agents[1:] {
+		if len(agent.CurrentTasks) < len(bestAgent.CurrentTasks) {
+			bestAgent = agent
+		}
+	}
+	
+	return bestAgent
+}
+
+// Additional helper methods would be implemented here...
+
+// AgentConfig holds configuration for creating a new agent
+type AgentConfig struct {
+	ID             string
+	Role           AgentRole
+	Model          string
+	SystemPrompt   string
+	Capabilities   []string
+	Specialization string
+	MaxTasks       int
+	CostLimits     *CostLimits
+}
+
+// CostLimits defines spending limits for an agent
+type CostLimits struct {
+	DailyLimit   float64
+	MonthlyLimit float64
+	PerTaskLimit float64
+}
+
+// TokenUsage tracks token consumption
+type TokenUsage struct {
+	TotalTokens      int64
+	PromptTokens     int64
+	CompletionTokens int64
+	TotalCost        float64
+	mutex            sync.RWMutex
+}
+
+// NewTokenUsage creates a new token usage tracker
+func NewTokenUsage() *TokenUsage {
+	return &TokenUsage{}
+}
+
+// NewAgentMemory creates a new agent memory instance
+func NewAgentMemory() *AgentMemory {
+	return &AgentMemory{
+		WorkingMemory:  make(map[string]interface{}),
+		EpisodicMemory: make([]ConversationEpisode, 0),
+		ThreadMemories: make(map[string]*ThreadMemory),
+	}
+}
+
+// ThreadMemory represents memory for a specific conversation thread
+type ThreadMemory struct {
+	ThreadID    string
+	Summary     string
+	KeyPoints   []string
+	Decisions   []Decision
+	LastUpdated time.Time
+}
+
+// KnowledgeGraph represents semantic knowledge
+type KnowledgeGraph struct {
+	Concepts   map[string]*Concept
+	Relations  map[string]*Relation
+	mutex      sync.RWMutex
+}
+
+// Concept represents a knowledge concept
+type Concept struct {
+	ID          string
+	Name        string
+	Description string
+	Category    string
+	Confidence  float64
+}
+
+// Relation represents a relationship between concepts
+type Relation struct {
+	From       string
+	To         string
+	Type       string
+	Strength   float64
+	Evidence   []string
+}