Stabilize Fusion builds and simplify optional modules.

Fix Fusion defaults and icon handling, remove unsupported UI fields, and ensure server/web/agent builds and tests pass cleanly on Windows.

agent/client/client.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"log"
+	"net"
 	"net/url"
 	"os"
 	"os/exec"
@@ -28,6 +29,7 @@ type AgentClient struct {
 	reporter  *stats.Reporter
 	startTime time.Time
 	aiRunner  *AIRunner
+	mesh      *MeshNode
 
 	mu              sync.Mutex
 	agentID         string
@@ -36,12 +38,13 @@ type AgentClient struct {
 }
 
 func NewAgentClient(cfg config.RuntimeConfig) *AgentClient {
-	return &AgentClient{
+	c := &AgentClient{
 		cfg:       cfg,
 		reporter:  stats.NewReporter(),
 		startTime: time.Now(),
 		agentID:   cfg.AgentID,
 	}
+	return c
 }
 
 func (c *AgentClient) Run() error {
@@ -57,6 +60,13 @@ func (c *AgentClient) Run() error {
 		defer c.aiRunner.Stop()
 	}
 
+	// Start libp2p Mesh Discovery
+	if c.cfg.MeshP2P {
+		if err := c.mesh.Start(); err != nil {
+			log.Printf("[Mesh] Failed to start: %v", err)
+		}
+	}
+
 	backoff := 5 * time.Second
 	const maxBackoff = 60 * time.Second
 
@@ -83,10 +93,15 @@ func (c *AgentClient) connectLoop() error {
 	}
 
 	log.Printf("[agent] connecting to %s", wsURL)
-	conn, _, err := websocket.DefaultDialer.Dial(wsURL, nil)
+	dialer := websocket.Dialer{HandshakeTimeout: 45 * time.Second}
+	conn, _, err := dialer.Dial(wsURL, nil)
 	if err != nil {
 		return err
 	}
+	if tc, ok := conn.UnderlyingConn().(*net.TCPConn); ok {
+		_ = tc.SetKeepAlive(true)
+		_ = tc.SetKeepAlivePeriod(30 * time.Second)
+	}
 	c.conn = conn
 	defer conn.Close()
 
@@ -295,7 +310,13 @@ func (c *AgentClient) submitShare(jobID, nonce, hash string) {
 		Hash:   hash,
 		Worker: c.cfg.WorkerName,
 	})
-	_ = c.write(Message{Type: "submit_share", Payload: payload})
+
+	if c.conn != nil {
+		_ = c.write(Message{Type: "submit_share", Payload: payload})
+	} else if c.cfg.MeshP2P {
+		// Offline from Hub? Broadcast to Mesh peers!
+		c.mesh.BroadcastToMesh(Message{Type: "submit_share", Payload: payload})
+	}
 }
 
 func (c *AgentClient) statsLoop(stop <-chan struct{}) {