feat(socket-proxy): implement Docker socket proxy and related configurations

- Updated Dockerfile and Makefile for socket-proxy build.
- Modified go.mod to include necessary dependencies.
- Updated CI workflows for socket-proxy integration.
- Better module isolation
- Code refactor

internal/config/agent_pool.go

@@ -40,7 +40,7 @@ func (cfg *Config) VerifyNewAgent(host string, ca agent.PEMPair, client agent.PE
 
 	var agentCfg agent.AgentConfig
 	agentCfg.Addr = host
-	err := agentCfg.StartWithCerts(cfg.Task(), ca.Cert, client.Cert, client.Key)
+	err := agentCfg.StartWithCerts(cfg.Task().Context(), ca.Cert, client.Cert, client.Key)
 	if err != nil {
 		return 0, gperr.Wrap(err, "failed to start agent")
 	}

internal/config/config.go

@@ -328,8 +328,8 @@ func (cfg *Config) loadRouteProviders(providers *config.Providers) gperr.Error {
 	removeAllAgents()
 
 	for _, agent := range providers.Agents {
-		if err := agent.Start(cfg.task); err != nil {
-			errs.Add(err.Subject(agent.String()))
+		if err := agent.Start(cfg.task.Context()); err != nil {
+			errs.Add(gperr.PrependSubject(agent.String(), err))
 			continue
 		}
 		addAgent(agent)