refactor(commands): remove unused dispatcher abstraction

pkg/commands/dispatcher.go

@@ -16,53 +16,6 @@ type Request struct {
 	Reply     func(text string) error
 }
 
-type Result struct {
-	Matched bool
-	Handled bool
-	Command string
-	Err     error
-}
-
-type Dispatcher struct {
-	reg *Registry
-}
-
-type Dispatching interface {
-	Dispatch(ctx context.Context, req Request) Result
-}
-
-type DispatchFunc func(ctx context.Context, req Request) Result
-
-func (f DispatchFunc) Dispatch(ctx context.Context, req Request) Result {
-	return f(ctx, req)
-}
-
-func NewDispatcher(reg *Registry) *Dispatcher {
-	return &Dispatcher{reg: reg}
-}
-
-func (d *Dispatcher) Dispatch(ctx context.Context, req Request) Result {
-	cmdName, ok := parseCommandName(req.Text)
-	if !ok {
-		return Result{Matched: false}
-	}
-
-	for _, def := range d.reg.ForChannel(req.Channel) {
-		if def.Name != cmdName && !contains(def.Aliases, cmdName) {
-			continue
-		}
-		if def.Handler == nil {
-			// Definition-only command (for menu registration / discovery).
-			// Let the inbound message continue to the agent loop.
-			return Result{Matched: false, Handled: false, Command: def.Name}
-		}
-		err := def.Handler(ctx, req)
-		return Result{Matched: true, Handled: true, Command: def.Name, Err: err}
-	}
-
-	return Result{Matched: false}
-}
-
 func firstToken(input string) string {
 	parts := strings.Fields(strings.TrimSpace(input))
 	if len(parts) == 0 {

pkg/commands/dispatcher_test.go

@@ -1,75 +0,0 @@
-package commands
-
-import (
-	"context"
-	"testing"
-)
-
-func TestDispatcher_MatchSlashCommand(t *testing.T) {
-	called := false
-	defs := []Definition{
-		{
-			Name: "help",
-			Handler: func(context.Context, Request) error {
-				called = true
-				return nil
-			},
-		},
-	}
-	d := NewDispatcher(NewRegistry(defs))
-
-	res := d.Dispatch(context.Background(), Request{
-		Channel: "telegram",
-		Text:    "/help",
-	})
-	if !res.Matched || !called || res.Err != nil {
-		t.Fatalf("dispatch result = %+v, called=%v", res, called)
-	}
-}
-
-func TestDispatcher_DoesNotMatchWithoutSlash(t *testing.T) {
-	d := NewDispatcher(NewRegistry([]Definition{{Name: "help"}}))
-
-	res := d.Dispatch(context.Background(), Request{
-		Channel: "telegram",
-		Text:    "help",
-	})
-	if res.Matched {
-		t.Fatalf("expected unmatched for plain text, got %+v", res)
-	}
-}
-
-func TestDispatcher_MatchTelegramMentionSyntax(t *testing.T) {
-	called := false
-	d := NewDispatcher(NewRegistry([]Definition{
-		{
-			Name: "help",
-			Handler: func(context.Context, Request) error {
-				called = true
-				return nil
-			},
-		},
-	}))
-
-	res := d.Dispatch(context.Background(), Request{
-		Channel: "telegram",
-		Text:    "/help@my_bot",
-	})
-	if !res.Matched || !res.Handled || !called || res.Err != nil {
-		t.Fatalf("dispatch result = %+v, called=%v", res, called)
-	}
-}
-
-func TestDispatcher_PassThroughDefinitionWithoutHandler(t *testing.T) {
-	d := NewDispatcher(NewRegistry([]Definition{
-		{Name: "session"}, // menu-only / pass-through definition
-	}))
-
-	res := d.Dispatch(context.Background(), Request{
-		Channel: "telegram",
-		Text:    "/session list",
-	})
-	if res.Matched {
-		t.Fatalf("expected pass-through unmatched result, got %+v", res)
-	}
-}