TUI refactor

- Clean up, improved startup logic, initial conversation load
- Moved converation/message business logic (mostly) into `model/tui`

pkg/cmd/chat.go

@@ -6,6 +6,7 @@ import (
 	cmdutil "git.mlow.ca/mlow/lmcli/pkg/cmd/util"
 	"git.mlow.ca/mlow/lmcli/pkg/lmcli"
 	"git.mlow.ca/mlow/lmcli/pkg/tui"
+	"git.mlow.ca/mlow/lmcli/pkg/tui/shared"
 	"github.com/spf13/cobra"
 )
 
@@ -19,17 +20,30 @@ func ChatCmd(ctx *lmcli.Context) *cobra.Command {
 			if err != nil {
 				return err
 			}
-			shortname := ""
-			if len(args) == 1 {
-				shortname = args[0]
+
+			var opts []tui.LaunchOption
+
+			list, err := cmd.Flags().GetBool("list")
+			if err != nil {
+				return err
 			}
-			if shortname != ""{
-				_, err := cmdutil.LookupConversationE(ctx, shortname)
-				if err != nil {
-					return err
+
+			if !list && len(args) == 1 {
+				shortname := args[0]
+				if shortname != ""{
+					conv, err := cmdutil.LookupConversationE(ctx, shortname)
+					if err != nil {
+						return err
+					}
+					opts = append(opts, tui.WithInitialConversation(conv))
 				}
 			}
-			err = tui.Launch(ctx, shortname)
+
+			if list {
+				opts = append(opts, tui.WithInitialView(shared.StateConversations))
+			}
+
+			err = tui.Launch(ctx, opts...)
 			if err != nil {
 				return fmt.Errorf("Error fetching LLM response: %v", err)
 			}
@@ -43,6 +57,10 @@ func ChatCmd(ctx *lmcli.Context) *cobra.Command {
 			return ctx.Store.ConversationShortNameCompletions(toComplete), compMode
 		},
 	}
+
+	// -l, --list
+	cmd.Flags().BoolP("list", "l", false, "View/manage conversations")
+
 	applyGenerationFlags(ctx, cmd)
 	return cmd
 }