Fix idle timer review issues

internal/app/host_test.go

@@ -3,6 +3,8 @@ package app
 import (
 	"strings"
 	"testing"
+
+	"github.com/hjbdev/patterm/internal/mcp"
 )
 
 // mkChild builds a Child without starting a PTY. Use sparingly — the
@@ -164,6 +166,47 @@ func TestHelpSpawningPointsAtLifecycle(t *testing.T) {
 	}
 }
 
+// TestAvailableToolsAdvertisesAllTimerTools makes sure orchestrators
+// and sub-agents discover the full timer surface via whoami — not just
+// timer_wait. Otherwise agents using whoami for orientation would never
+// learn about timer_set, timer_fire_when_idle_*, timer_pause/resume,
+// timer_cancel, and timer_list.
+func TestAvailableToolsAdvertisesAllTimerTools(t *testing.T) {
+	want := []string{
+		"timer_wait", "timer_set",
+		"timer_fire_when_idle_any", "timer_fire_when_idle_all",
+		"timer_cancel", "timer_pause", "timer_resume", "timer_list",
+	}
+	for _, role := range []mcp.CallerRole{mcp.RoleOrchestrator, mcp.RoleSubAgent} {
+		tools := availableToolsForRole(role)
+		for _, w := range want {
+			if !containsString(tools, w) {
+				t.Fatalf("role %q missing %q in available tools: %v", role, w, tools)
+			}
+		}
+	}
+}
+
+// TestHelpTimersDocumentsAllTools mirrors the whoami check for the
+// help("timers") topic — the related-tools list must enumerate every
+// timer_* tool so callers reading help can dispatch them.
+func TestHelpTimersDocumentsAllTools(t *testing.T) {
+	resp := helpFor("timers")
+	if resp.Topic != "timers" {
+		t.Fatalf("topic: %q", resp.Topic)
+	}
+	want := []string{
+		"timer_wait", "timer_set",
+		"timer_fire_when_idle_any", "timer_fire_when_idle_all",
+		"timer_cancel", "timer_pause", "timer_resume", "timer_list",
+	}
+	for _, w := range want {
+		if !containsString(resp.RelatedTools, w) {
+			t.Fatalf("timers help missing %q in related tools: %v", w, resp.RelatedTools)
+		}
+	}
+}
+
 func containsString(haystack []string, needle string) bool {
 	for _, s := range haystack {
 		if s == needle {
@@ -172,4 +215,3 @@ func containsString(haystack []string, needle string) bool {
 	}
 	return false
 }
-