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/context/meta.go

@@ -2,7 +2,6 @@ package context
 
 import (
 	"os"
-	"os/exec"
 	"path/filepath"
 	"strings"
 )
@@ -15,16 +14,13 @@ type Meta struct {
 }
 
 func Render(tmpl string, m Meta) string {
-	ctx := m.ResolveContext(m.Context)
+	ctx := m.ResolveContext()
 	out := strings.ReplaceAll(tmpl, "{agent}", m.Agent)
 	out = strings.ReplaceAll(out, "{context}", ctx)
 	return out
 }
 
-func (m Meta) ResolveContext(window string) string {
-	if window != "" {
-		return window
-	}
+func (m Meta) ResolveContext() string {
 	if m.Context != "" {
 		return m.Context
 	}
@@ -38,17 +34,6 @@ func (m Meta) ResolveContext(window string) string {
 	return filepath.Base(cwd)
 }
 
-func TmuxWindowName() string {
-	if os.Getenv("TMUX") == "" {
-		return ""
-	}
-	out, err := exec.Command("tmux", "display-message", "-p", "#{window_name}").Output()
-	if err != nil {
-		return ""
-	}
-	return strings.TrimSpace(string(out))
-}
-
 func MetaFromEnv(agent, event string) Meta {
 	cwd := os.Getenv("AGENT_NOTIFY_CWD")
 	if cwd == "" {
@@ -61,9 +46,8 @@ func MetaFromEnv(agent, event string) Meta {
 		event = e
 	}
 	return Meta{
-		Agent:   agent,
-		CWD:     cwd,
-		Context: TmuxWindowName(),
-		Event:   event,
+		Agent: agent,
+		CWD:   cwd,
+		Event: event,
 	}
 }

internal/context/meta_test.go

@@ -3,7 +3,7 @@ package context
 import "testing"
 
 func TestRenderTitle(t *testing.T) {
-	meta := Meta{Agent: "Cursor", Context: "myapp"}
+	meta := Meta{Agent: "Cursor", CWD: "/home/user/code/myapp"}
 	got := Render("{agent} — {context}", meta)
 	want := "Cursor — myapp"
 	if got != want {
@@ -13,14 +13,14 @@ func TestRenderTitle(t *testing.T) {
 
 func TestContextFromCWD(t *testing.T) {
 	meta := Meta{Agent: "Claude", CWD: "/home/user/code/myapp"}
-	if meta.ResolveContext("") != "myapp" {
-		t.Fatalf("got %q", meta.ResolveContext(""))
+	if meta.ResolveContext() != "myapp" {
+		t.Fatalf("got %q", meta.ResolveContext())
 	}
 }
 
-func TestContextPrefersWindow(t *testing.T) {
-	meta := Meta{Agent: "Claude", CWD: "/home/user/code/myapp"}
-	if meta.ResolveContext("tmux-win") != "tmux-win" {
-		t.Fatalf("expected window name")
+func TestContextExplicitOverride(t *testing.T) {
+	meta := Meta{Agent: "Claude", CWD: "/home/user/code/myapp", Context: "custom"}
+	if meta.ResolveContext() != "custom" {
+		t.Fatalf("expected explicit context override")
 	}
 }