feat: fix Cursor hook delivery and improve notify workflow

Route hook notifications through /dev/tty and client_tty so OSC reaches
Ghostty when Cursor captures stdout. Add afterAgentResponse hook, hook
logging, debounce, split test modes, and use directory name for titles.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/notify/test_test.go

@@ -0,0 +1,49 @@
+package notify
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"github.com/longbin/agent-notify/internal/tmux"
+)
+
+func TestAutoMethodsSSHPrefersPassthrough(t *testing.T) {
+	methods := autoMethods(true, true)
+	if methods[0] != MethodPassthroughStdout {
+		t.Fatalf("expected passthrough first over ssh, got %v", methods)
+	}
+}
+
+func TestAutoMethodsLocalPrefersClientTTY(t *testing.T) {
+	methods := autoMethods(true, false)
+	if methods[0] != MethodClientTTYRaw {
+		t.Fatalf("expected client tty first locally, got %v", methods)
+	}
+}
+
+func TestTestClaudeJSON(t *testing.T) {
+	var out bytes.Buffer
+	_, err := TestClaude("t", "b", false, &out)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(out.String(), "terminalSequence") {
+		t.Fatalf("expected json output, got %q", out.String())
+	}
+}
+
+func TestEmitSequenceDirect(t *testing.T) {
+	t.Setenv("TMUX", "")
+	t.Setenv("SSH_CONNECTION", "")
+	_ = tmux.InTmux()
+	seq := BuildSequence("osc777", "t", "b")
+	var buf bytes.Buffer
+	opts := SendOptions{Writer: &buf, InTmux: false}
+	if err := deliver(seq, opts, MethodDirectStdout); err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(buf.String(), "777;notify") {
+		t.Fatalf("unexpected output %q", buf.String())
+	}
+}