fix(command): add missing command handler wiring and lint fixes

Wire SetCommandHandler into ChannelInboundProcessor so slash commands
are intercepted before reaching the LLM. Also apply lint fixes across
command package (strconv.Itoa, comment formatting, unused code removal)
and remove obsolete tool-call-browser.vue component.

internal/command/email_cmd.go

@@ -1,7 +1,6 @@
 package command
 
 import (
-	"fmt"
 	"strings"
 )
 
@@ -91,5 +90,5 @@ func buildPermString(read, write, del bool) string {
 	if len(parts) == 0 {
 		return "none"
 	}
-	return fmt.Sprintf("%s", strings.Join(parts, ", "))
+	return strings.Join(parts, ", ")
 }

internal/command/formatter.go

@@ -11,13 +11,13 @@ import (
 //
 // Example output:
 //
-//	- mybot
-//	  Description: A helpful assistant
-//	  ID: abc123
+//   - mybot
+//     Description: A helpful assistant
+//     ID: abc123
 //
-//	- another
-//	  Description: Something else
-//	  ID: def456
+//   - another
+//     Description: Something else
+//     ID: def456
 func formatItems(items [][]kv) string {
 	if len(items) == 0 {
 		return ""
@@ -42,8 +42,8 @@ func formatItems(items [][]kv) string {
 //
 // Example output:
 //
-//	- ID: abc123
-//	- Name: mybot
+//   - ID: abc123
+//   - Name: mybot
 func formatKV(pairs []kv) string {
 	var b strings.Builder
 	for _, p := range pairs {

internal/command/handler.go

@@ -49,17 +49,17 @@ type Handler struct {
 	mcpConnService  *mcp.ConnectionService
 	inboxService    *inbox.Service
 
-	modelsService    *models.Service
-	providersService *providers.Service
-	memProvService   *memprovider.Service
-	searchProvService *searchproviders.Service
-	browserCtxService *browsercontexts.Service
-	emailService      *emailpkg.Service
+	modelsService      *models.Service
+	providersService   *providers.Service
+	memProvService     *memprovider.Service
+	searchProvService  *searchproviders.Service
+	browserCtxService  *browsercontexts.Service
+	emailService       *emailpkg.Service
 	emailOutboxService *emailpkg.OutboxService
-	heartbeatService  *heartbeat.Service
-	queries           *dbsqlc.Queries
-	skillLoader       SkillLoader
-	containerFS       ContainerFS
+	heartbeatService   *heartbeat.Service
+	queries            *dbsqlc.Queries
+	skillLoader        SkillLoader
+	containerFS        ContainerFS
 
 	logger *slog.Logger
 }

internal/command/handler_test.go

@@ -29,10 +29,6 @@ type fakeSubagentService struct {
 	items []subagent.Subagent
 }
 
-func (f *fakeSubagentService) list() []subagent.Subagent {
-	return f.items
-}
-
 type fakeScheduleService struct {
 	items []schedule.Schedule
 }
@@ -325,7 +321,7 @@ func TestNewCommands_NilServices(t *testing.T) {
 	}
 }
 
-// suppress unused warnings
+// suppress unused warnings.
 var (
 	_ = fakeSubagentService{items: []subagent.Subagent{{ID: "1", Name: "test", CreatedAt: time.Now(), UpdatedAt: time.Now()}}}
 	_ = fakeScheduleService{items: []schedule.Schedule{{ID: "1", Name: "test"}}}

internal/command/parser.go

@@ -13,7 +13,7 @@ type ParsedCommand struct {
 }
 
 // Parse parses a raw command string into its components.
-// Expected format: /resource [action] [args...]
+// Expected format: /resource [action] [args...].
 func Parse(text string) (ParsedCommand, error) {
 	text = strings.TrimSpace(text)
 	if !strings.HasPrefix(text, "/") {

internal/command/schedule.go

@@ -2,6 +2,7 @@ package command
 
 import (
 	"fmt"
+	"strconv"
 	"strings"
 
 	"github.com/memohai/memoh/internal/schedule"
@@ -45,7 +46,7 @@ func (h *Handler) buildScheduleGroup() *CommandGroup {
 			}
 			maxCalls := "unlimited"
 			if item.MaxCalls != nil {
-				maxCalls = fmt.Sprintf("%d", *item.MaxCalls)
+				maxCalls = strconv.Itoa(*item.MaxCalls)
 			}
 			return formatKV([]kv{
 				{"Name", item.Name},
@@ -54,7 +55,7 @@ func (h *Handler) buildScheduleGroup() *CommandGroup {
 				{"Command", item.Command},
 				{"Enabled", boolStr(item.Enabled)},
 				{"Max Calls", maxCalls},
-				{"Current Calls", fmt.Sprintf("%d", item.CurrentCalls)},
+				{"Current Calls", strconv.Itoa(item.CurrentCalls)},
 				{"Created", item.CreatedAt.Format("2006-01-02 15:04:05")},
 				{"Updated", item.UpdatedAt.Format("2006-01-02 15:04:05")},
 			}), nil

internal/command/settings.go

@@ -23,8 +23,8 @@ func (h *Handler) buildSettingsGroup() *CommandGroup {
 				{"Language", s.Language},
 				{"Allow Guest", boolStr(s.AllowGuest)},
 				{"Max Context Load Time", fmt.Sprintf("%d min", s.MaxContextLoadTime)},
-				{"Max Context Tokens", fmt.Sprintf("%d", s.MaxContextTokens)},
-				{"Max Inbox Items", fmt.Sprintf("%d", s.MaxInboxItems)},
+				{"Max Context Tokens", strconv.Itoa(s.MaxContextTokens)},
+				{"Max Inbox Items", strconv.Itoa(s.MaxInboxItems)},
 				{"Reasoning Enabled", boolStr(s.ReasoningEnabled)},
 				{"Reasoning Effort", s.ReasoningEffort},
 				{"Heartbeat Enabled", boolStr(s.HeartbeatEnabled)},
@@ -126,13 +126,6 @@ func settingsUpdateUsage() string {
 		"- --heartbeat_model_id <id>"
 }
 
-func valueOrNone(s string) string {
-	if s == "" {
-		return "(none)"
-	}
-	return s
-}
-
 // resolveModelName resolves a model UUID to "model_name (provider_name)".
 func (h *Handler) resolveModelName(cc CommandContext, modelID string) string {
 	if modelID == "" {