add OLLIE_DEFAULT_AGENT support and update agent commands

pkg/agent/commands.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 
 	"ollie/pkg/config"
+	"ollie/pkg/tools/execute"
 )
 
 func (s *agent) handleCommand(ctx context.Context, input string) bool {
@@ -210,7 +211,7 @@ func (s *agent) handleCommand(ctx context.Context, input string) bool {
 				return
 			}
 			d := s.newDispatcher()
-			env := BuildAgentEnv(cfg, d, s.cwd, []string{"OLLIE_SESSION_ID=" + s.sessionID})
+			env := BuildAgentEnv(cfg, d, s.cwd, []string{"OLLIE_SESSION_ID=" + s.sessionID, "OLLIE=" + execute.MountPath(s.uname)})
 			if env.Backend != "" {
 				newBe, err := s.newBackend(env.Backend)
 				if err != nil {

pkg/agent/core_test.go

@@ -704,6 +704,7 @@ func TestCommand_I_SetsInject(t *testing.T) {
 		t.Errorf("pendingInject = %v; want %q", p, "my inject")
 	}
 	close(done)
+	waitState(t, c, "idle")
 }
 
 func TestCommand_I_SubmitsWhenIdle(t *testing.T) {

pkg/agent/prompt_resolver.go

@@ -31,7 +31,7 @@ func resolvePrompt(p config.Prompt, cwd string, env []string) (string, error) {
 	if p.IsExec {
 		return resolveExecPrompt(p.Value, cwd, env)
 	}
-	return resolveStringPrompt(p.Value[0], cwd)
+	return resolveStringPrompt(p.Value[0], cwd, env)
 }
 
 func resolveExecPrompt(cmds []string, cwd string, env []string) (string, error) {
@@ -64,11 +64,20 @@ func resolveExecPrompt(cmds []string, cwd string, env []string) (string, error)
 	return strings.Join(parts, "\n"), nil
 }
 
-func resolveStringPrompt(prompt, cwd string) (string, error) {
+func resolveStringPrompt(prompt, cwd string, env []string) (string, error) {
 	if prompt == "" {
 		return "", nil
 	}
+	envMap := make(map[string]string, len(env))
+	for _, e := range env {
+		if k, v, ok := strings.Cut(e, "="); ok {
+			envMap[k] = v
+		}
+	}
 	expanded := os.Expand(prompt, func(key string) string {
+		if val, ok := envMap[key]; ok {
+			return val
+		}
 		if val := os.Getenv(key); val != "" {
 			return val
 		}

pkg/tools/execute/server.go

@@ -373,6 +373,11 @@ func (e *Server) SetEnv(key, value string) {
 	e.envMu.Unlock()
 }
 
+// MountPath returns the per-session FUSE mount path for a given uname.
+func MountPath(uname string) string {
+	return filepath.Join(os.TempDir(), "ollie-mount-"+uname)
+}
+
 // startMount launches ollie-9p-mount for this session. Must be called with envMu held.
 func (e *Server) startMount(sessionID string) {
 	if !e.mountEnabled {
@@ -382,7 +387,7 @@ func (e *Server) startMount(sessionID string) {
 	if err != nil {
 		return
 	}
-	mnt := filepath.Join(os.TempDir(), "ollie-mount-"+sessionID)
+	mnt := MountPath(sessionID)
 	os.MkdirAll(mnt, 0755) //nolint:errcheck
 	cmd := exec.Command(bin, "-u", sessionID, mnt)
 	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}