use logz.VerboseContext now.

to enable visibilities of cmdr internal logger outputs, run your app with this form:

```bash
go run -tags=verbose ./main.go
go build -tags=verbose -o my-app ./main.go
```

builder/app.go

@@ -64,7 +64,7 @@ func (s *appS) Args() []string         { return s.args }
 func (s *appS) Build() {
 	if sr, ok := s.Runner.(setRoot); ok {
 		ctx := context.Background()
-		logz.DebugContext(ctx, "builder.appS.Build() - setRoot")
+		logz.VerboseContext(ctx, "builder.appS.Build() - setRoot")
 		if cx, ok := s.root.Cmd.(*cli.CmdS); ok {
 			cx.EnsureTree(ctx, s, s.root)
 		}

cli/command.go

@@ -405,7 +405,7 @@ func (c *CmdS) getDeferAction(ctx context.Context, cmd Cmd, args []string) func(
 // This function will be called for running time once (see also cmdr.Run()).
 func (c *CmdS) EnsureTree(ctx context.Context, app App, root *RootCommand) {
 	if atomic.CompareAndSwapInt32(&root.linked, 0, 1) {
-		logz.DebugContext(ctx, "cmd.EnsureTree (Once) -> linking to root and owner", "root", root)
+		logz.VerboseContext(ctx, "cmd.EnsureTree (Once) -> linking to root and owner", "root", root)
 		c.ensureTreeAlways(ctx, app, root)
 	}
 }

cli/worker/exec.go

@@ -13,7 +13,7 @@ import (
 func (w *workerS) exec(ctx context.Context, pc *parseCtx) (err error) {
 	w.parsingCtx = pc // save pc for later, OnAction might need it.
 	lastCmd := pc.LastCmd()
-	logz.DebugContext(ctx, "[cmdr] exec...", "last-matched-cmd", lastCmd)
+	logz.VerboseContext(ctx, "[cmdr] exec...", "last-matched-cmd", lastCmd)
 
 	forceDefaultAction := pc.forceDefaultAction
 

cli/worker/pre.go

@@ -18,7 +18,7 @@ import (
 
 func (w *workerS) preProcess(ctx context.Context) (err error) {
 	// w.Config.Store.Load() // from external providers: 1. consul, 2. local,
-	logz.DebugContext(ctx, "pre-processing...")
+	logz.VerboseContext(ctx, "pre-processing...")
 	dummyParseCtx := parseCtx{root: w.root, forceDefaultAction: w.ForceDefaultAction}
 
 	w.preEnvSet(ctx) // setup envvars: APP, APP_NAME, etc.
@@ -275,7 +275,7 @@ func (w *workerS) xrefCommands(ctx context.Context, root *cli.RootCommand, cb ..
 // }
 
 func (w *workerS) postProcess(ctx context.Context, pc *parseCtx) (err error) {
-	logz.DebugContext(ctx, "post-processing...")
+	logz.VerboseContext(ctx, "post-processing...")
 	_, _ = pc, ctx
 	return
 }

cli/worker/worker.go

@@ -277,15 +277,15 @@ func (w *workerS) InitGlobally(ctx context.Context) {
 func (w *workerS) initGlobalResources() {
 	defer w.triggerGlobalResourcesInitOK()
 	ctx := context.Background()
-	logz.DebugContext(ctx, "workerS.initGlobalResources")
+	logz.VerboseContext(ctx, "workerS.initGlobalResources")
 
 	// to do sth...
 }
 
 func (w *workerS) triggerGlobalResourcesInitOK() {
 	// to do sth...
 	ctx := context.Background()
-	logz.DebugContext(ctx, "workerS.triggerGlobalResourcesInitOK")
+	logz.VerboseContext(ctx, "workerS.triggerGlobalResourcesInitOK")
 }
 
 func (w *workerS) attachErrors(errs ...error) { //nolint:revive,unused