Add task sidebar workflow

internal/app/child.go

@@ -77,6 +77,7 @@ type Child struct {
 	WorkDir  string
 	Kind     ChildKind
 	ParentID string // empty for top-level sessions
+	TaskID   string // empty unless launched from an explicit task context
 
 	// PresetRef names the source preset (when known). Used by trust
 	// gating to re-check on restart_process. Empty for freeform-argv
@@ -191,7 +192,7 @@ type PortSighting struct {
 const ringCap = 1 << 20 // 1 MiB per SPEC §5
 
 // newChildEntry builds the in-memory Child record but does NOT start a PTY.
-func newChildEntry(id, name string, kind ChildKind, argv, env []string, parentID, workDir, presetRef string) *Child {
+func newChildEntry(id, name string, kind ChildKind, argv, env []string, parentID, taskID, workDir, presetRef string) *Child {
 	c := &Child{
 		ID:        id,
 		Name:      name,
@@ -200,6 +201,7 @@ func newChildEntry(id, name string, kind ChildKind, argv, env []string, parentID
 		WorkDir:   workDir,
 		Kind:      kind,
 		ParentID:  parentID,
+		TaskID:    taskID,
 		PresetRef: presetRef,
 		ring:      make([]byte, ringCap),
 	}
@@ -228,7 +230,7 @@ func (c *Child) startPTY(cols, rows uint16) (uint64, error) {
 	}
 	starting := StatusStarting
 	c.status.Store(&starting)
-	p, err := pkgpty.Start(c.Argv, c.Env, cols, rows)
+	p, err := pkgpty.Start(c.Argv, c.Env, c.WorkDir, cols, rows)
 	if err != nil {
 		em.Close()
 		errored := StatusErrored