From 1295ddd69a9c6a52c059cd097096fc2e7bd69946 Mon Sep 17 00:00:00 2001
From: rissrice2105-agent <rissrice2105-agent@users.noreply.github.com>
Date: Mon, 15 Jun 2026 14:58:23 -0600
Subject: [PATCH] fix(mailbox): honor uppercase flag bot command

---
 internal/mailbox/bot.go          |  5 +++--
 internal/mailbox/mailbox_test.go | 20 ++++++++++++++++++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/internal/mailbox/bot.go b/internal/mailbox/bot.go
index db12c52..69dda72 100644
--- a/internal/mailbox/bot.go
+++ b/internal/mailbox/bot.go
@@ -38,7 +38,8 @@ func RunBot(ctx context.Context, c *Client, args []string, in io.Reader, out io.
 		return err
 	}
 
-	switch strings.ToLower(args[0]) {
+	cmd := strings.ToLower(args[0])
+	switch cmd {
 	case "mailboxes":
 		v, err := c.Mailboxes(ctx)
 		if err != nil {
@@ -135,7 +136,7 @@ func RunBot(ctx context.Context, c *Client, args []string, in io.Reader, out io.
 		if len(args) > 3 {
 			on = !strings.EqualFold(args[3], "off") && args[3] != "false" && args[3] != "0"
 		}
-		if args[0] == "flag" {
+		if cmd == "flag" {
 			err = c.Flag(ctx, mailbox, uid, on)
 		} else {
 			err = c.MarkSeen(ctx, mailbox, uid, on)
diff --git a/internal/mailbox/mailbox_test.go b/internal/mailbox/mailbox_test.go
index 09da9f1..f99cd4a 100644
--- a/internal/mailbox/mailbox_test.go
+++ b/internal/mailbox/mailbox_test.go
@@ -1,8 +1,10 @@
 package mailbox
 
 import (
+	"bytes"
 	"context"
 	"errors"
+	"strings"
 	"testing"
 	"time"
 )
@@ -142,3 +144,21 @@ func TestFlagAndDelete(t *testing.T) {
 		t.Fatal("uid 1 should be deleted")
 	}
 }
+
+func TestRunBotFlagCommandIsCaseInsensitive(t *testing.T) {
+	tr := seeded()
+	c := paidClient(tr)
+	var out bytes.Buffer
+
+	if err := RunBot(context.Background(), c, []string{"FLAG", Inbox, "1"}, strings.NewReader(""), &out); err != nil {
+		t.Fatal(err)
+	}
+
+	msg, _, _ := tr.ReadMessage(context.Background(), Inbox, 1)
+	if !msg.Flagged {
+		t.Fatal("uppercase FLAG should set the flagged flag")
+	}
+	if msg.Seen {
+		t.Fatal("uppercase FLAG should not mark the message seen")
+	}
+}