restraint cmd.Set and cmd.Store (=cmdr.CmdStore()).

	// Set returns the application Store [store.Store]
	Set() store.Store
	// Store returns the commands subset of the application Store.
	Store() store.Store

cli/baseopt.go

@@ -66,9 +66,10 @@ func (c *BaseOpt) OwnerOrParent() BacktraceableMin { return c.owner }
 func (c *BaseOpt) OwnerIsNil() bool                { return c.owner == nil }
 func (c *BaseOpt) OwnerIsNotNil() bool             { return c.owner != nil }
 func (c *BaseOpt) OwnerCmd() Cmd                   { return c.owner }
-func (c *BaseOpt) Root() *RootCommand              { return c.root }             // returns Root CmdS (*RootCommand),
-func (c *BaseOpt) App() App                        { return c.root.app }         // App returns the current App
-func (c *BaseOpt) Set() store.Store                { return c.root.app.Store() } // Set returns store.Store associated with the current App
+func (c *BaseOpt) Root() *RootCommand              { return c.root }                        // returns Root CmdS (*RootCommand),
+func (c *BaseOpt) App() App                        { return c.root.app }                    // App returns the current App
+func (c *BaseOpt) Set() store.Store                { return c.root.app.Store() }            // Set returns the application Store [store.Store]
+func (c *BaseOpt) Store() store.Store              { return c.Set().WithPrefix("app.cmd") } // Store returns the commands subset of the application Store.
 func (c *BaseOpt) SetOwner(o *CmdS)                { c.owner = o }
 func (c *BaseOpt) SetOwnerCmd(o Cmd)               { c.owner = o }
 func (c *BaseOpt) SetRoot(root *RootCommand)       { c.root = root }

cli/types.go

@@ -116,7 +116,10 @@ type Cmd interface {
 
 	// App() App
 
+	// Set returns the application Store [store.Store]
 	Set() store.Store
+	// Store returns the commands subset of the application Store.
+	Store() store.Store
 
 	OwnerIsValid() bool
 	OwnerIsNil() bool

cli/worker/parse_ctx.go

@@ -109,7 +109,7 @@ func (s *parseCtx) addFlag(ff *cli.Flag) (ms *cli.MatchState) {
 	}
 
 	// save the matched value into option store
-	cmdstore := ff.Set().WithPrefix("app.cmd")
+	cmdstore := ff.Store()
 	path := ff.GetDottedPath()
 	val := ff.DefaultValue()
 	cmdstore.Set(path, val)