From 73a8356b10d537f7d2b31a9fb777192a8522ab54 Mon Sep 17 00:00:00 2001
From: spoons-and-mirrors
 <212802214+spoons-and-mirrors@users.noreply.github.com>
Date: Mon, 11 Aug 2025 14:00:32 +0200
Subject: [PATCH] Feat: Add F2 Keybind to Cycle Through the 5 Most Recent
 Models (#1778)

---
 packages/tui/internal/app/app.go          | 33 +++++++++++++++++++++++
 packages/tui/internal/commands/command.go |  6 +++++
 packages/tui/internal/tui/tui.go          |  5 ++++
 3 files changed, 44 insertions(+)

diff --git a/packages/tui/internal/app/app.go b/packages/tui/internal/app/app.go
index 517cafd2..48f4684f 100644
--- a/packages/tui/internal/app/app.go
+++ b/packages/tui/internal/app/app.go
@@ -280,6 +280,39 @@ func (a *App) SwitchAgentReverse() (*App, tea.Cmd) {
 	return a.cycleMode(false)
 }
 
+func (a *App) CycleRecentModel() (*App, tea.Cmd) {
+	recentModels := a.State.RecentlyUsedModels
+	if len(recentModels) > 5 {
+		recentModels = recentModels[:5]
+	}
+	if len(recentModels) < 2 {
+		return a, toast.NewInfoToast("Need at least 2 recent models to cycle")
+	}
+	nextIndex := 0
+	for i, recentModel := range recentModels {
+		if a.Provider != nil && a.Model != nil && recentModel.ProviderID == a.Provider.ID && recentModel.ModelID == a.Model.ID {
+			nextIndex = (i + 1) % len(recentModels)
+			break
+		}
+	}
+	for range recentModels {
+		currentRecentModel := recentModels[nextIndex%len(recentModels)]
+		provider, model := findModelByProviderAndModelID(a.Providers, currentRecentModel.ProviderID, currentRecentModel.ModelID)
+		if provider != nil && model != nil {
+			a.Provider, a.Model = provider, model
+			a.State.AgentModel[a.Agent().Name] = AgentModel{ProviderID: provider.ID, ModelID: model.ID}
+			return a, tea.Sequence(a.SaveState(), toast.NewSuccessToast(fmt.Sprintf("Switched to %s (%s)", model.Name, provider.Name)))
+		}
+		recentModels = append(recentModels[:nextIndex%len(recentModels)], recentModels[nextIndex%len(recentModels)+1:]...)
+		if len(recentModels) < 2 {
+			a.State.RecentlyUsedModels = recentModels
+			return a, tea.Sequence(a.SaveState(), toast.NewInfoToast("Not enough valid recent models to cycle"))
+		}
+	}
+	a.State.RecentlyUsedModels = recentModels
+	return a, toast.NewErrorToast("Recent model not found")
+}
+
 // findModelByFullID finds a model by its full ID in the format "provider/model"
 func findModelByFullID(
 	providers []opencode.Provider,
diff --git a/packages/tui/internal/commands/command.go b/packages/tui/internal/commands/command.go
index 55f118aa..516caab7 100644
--- a/packages/tui/internal/commands/command.go
+++ b/packages/tui/internal/commands/command.go
@@ -121,6 +121,7 @@ const (
 	ToolDetailsCommand          CommandName = "tool_details"
 	ModelListCommand            CommandName = "model_list"
 	AgentListCommand            CommandName = "agent_list"
+	ModelCycleRecentCommand     CommandName = "model_cycle_recent"
 	ThemeListCommand            CommandName = "theme_list"
 	FileListCommand             CommandName = "file_list"
 	FileCloseCommand            CommandName = "file_close"
@@ -256,6 +257,11 @@ func LoadFromConfig(config *opencode.Config) CommandRegistry {
 			Keybindings: parseBindings("<leader>a"),
 			Trigger:     []string{"agents"},
 		},
+		{
+			Name:        ModelCycleRecentCommand,
+			Description: "cycle recent models",
+			Keybindings: parseBindings("f2"),
+		},
 		{
 			Name:        ThemeListCommand,
 			Description: "list themes",
diff --git a/packages/tui/internal/tui/tui.go b/packages/tui/internal/tui/tui.go
index ea9f0560..499d67c6 100644
--- a/packages/tui/internal/tui/tui.go
+++ b/packages/tui/internal/tui/tui.go
@@ -1148,6 +1148,11 @@ func (a Model) executeCommand(command commands.Command) (tea.Model, tea.Cmd) {
 	case commands.AgentListCommand:
 		agentDialog := dialog.NewAgentDialog(a.app)
 		a.modal = agentDialog
+	case commands.ModelCycleRecentCommand:
+		slog.Debug("ModelCycleRecentCommand triggered")
+		updated, cmd := a.app.CycleRecentModel()
+		a.app = updated
+		cmds = append(cmds, cmd)
 	case commands.ThemeListCommand:
 		themeDialog := dialog.NewThemeDialog()
 		a.modal = themeDialog