multica-ai/multica · error

prepare dsh session root: %w

Error message

prepare dsh session root: %w

What it means

Error "prepare dsh session root: %w" thrown in multica-ai/multica.

Source

Thrown at server/internal/daemon/daemon.go:6781

	// Bedrock). These are set per-agent via the agent settings UI.
	// Critical internal variables are blocklisted to prevent accidental or
	// malicious override of daemon-set values.
	var agentCustomEnv map[string]string
	if task.Agent != nil {
		agentCustomEnv = task.Agent.CustomEnv
	}
	layerCustomEnvAndHermesHome(agentEnv, agentCustomEnv, env.HermesHome, d.logger)
	if provider == "reasonix" {
		reasonixStateHome, err := prepareReasonixTaskStateHome(d.cfg.Profile, task.RuntimeID, task.AgentID)
		if err != nil {
			return TaskResult{}, fmt.Errorf("prepare reasonix state home: %w", err)
		}
		agentEnv["REASONIX_STATE_HOME"] = reasonixStateHome
	}
	if provider == "dsh" {
		dshSessionRoot, err := prepareDshTaskSessionRoot(d.cfg.Profile, task.RuntimeID, task.AgentID)
		if err != nil {
			return TaskResult{}, fmt.Errorf("prepare dsh session root: %w", err)
		}
		agentEnv["MULTICA_DSH_SESSION_ROOT"] = dshSessionRoot
		agentEnv["DSH_TELEMETRY_DISABLED"] = "1"
	}
	if err := configureCodexTaskShellEnvironment(provider, env.CodexHome, os.Environ(), agentEnv, agentCustomEnv, d.logger); err != nil {
		return TaskResult{}, err
	}
	// Resolve the backend through the unified runtime resolver: built-in
	// runtime identities (e.g. "omp") dispatch through NewRuntime, protocol
	// families go through New. This is the single production boundary — the
	// daemon never calls agent.New or agent.NewRuntime directly, so the two
	// factories stay meaning exactly one thing each.
	backend, err := agent.ResolveBackend(provider, agent.Config{
		ExecutablePath: entry.Path,
		CLIVersion:     resolvedVersion,
		Env:            agentEnv,
		Logger:         d.logger,
		TaskID:         task.ID,

View on GitHub (pinned to 2c0912b6ec)

Solutions

1. Check permissions for the dsh session root directory.

When it happens

Trigger: Thrown at server/internal/daemon/daemon.go:6781 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of multica-ai/multica@2c0912b6ec (2026-08-15). Data as JSON: /api/errors/8fdf481bca805366. Report an issue: GitHub.