fix: align Grok hooks with official contracts

cmd/elydora/plugins/grok_official_test.go

@@ -0,0 +1,74 @@
+package plugins
+
+import (
+	"encoding/json"
+	"os"
+	"os/exec"
+	"reflect"
+	"testing"
+)
+
+func TestGrokOfficialBinaryReadsManagedTriple(t *testing.T) {
+	binary := os.Getenv("ELYDORA_GROK_BINARY")
+	if binary == "" {
+		t.Skip("ELYDORA_GROK_BINARY is unset")
+	}
+	fixture := prepareGrokFixture(t, grokFixtureOptions{})
+	if err := fixture.plugin.Install(fixture.config); err != nil {
+		t.Fatalf("install Grok hooks: %v", err)
+	}
+	command := exec.Command(binary, "inspect", "--json")
+	command.Dir = fixture.projectDir
+	command.Env = append(
+		os.Environ(),
+		"HOME="+fixture.homeDir,
+		"USERPROFILE="+fixture.homeDir,
+		"GROK_HOME="+fixture.grokHome,
+	)
+	output, err := command.CombinedOutput()
+	if err != nil {
+		t.Fatalf("inspect official Grok config: %v\n%s", err, output)
+	}
+	var report struct {
+		Hooks []struct {
+			Event    string `json:"event"`
+			HookType string `json:"hookType"`
+			Target   string `json:"target"`
+			Matcher  any    `json:"matcher"`
+			Source   struct {
+				Type string `json:"type"`
+			} `json:"source"`
+		} `json:"hooks"`
+	}
+	if err := json.Unmarshal(output, &report); err != nil {
+		t.Fatalf("decode official Grok inspection: %v\n%s", err, output)
+	}
+	if len(report.Hooks) != 3 {
+		t.Fatalf("official Grok hook count = %d\n%s", len(report.Hooks), output)
+	}
+	wantTargets := map[string]string{}
+	settings := readGrokTestObject(t, fixture.configPath)
+	for _, item := range []struct{ event, script string }{
+		{"PreToolUse", grokGuardScript},
+		{"PostToolUse", grokAuditScript},
+		{"PostToolUseFailure", grokAuditScript},
+	} {
+		wantTargets[item.event] = grokTestManagedHandler(
+			t,
+			settings,
+			item.event,
+			item.script,
+		)["command"].(string)
+	}
+	actual := map[string]string{}
+	for _, hook := range report.Hooks {
+		if hook.HookType != "command" || hook.Matcher != nil ||
+			hook.Source.Type != "user" {
+			t.Fatalf("official Grok hook shape = %#v", hook)
+		}
+		actual[hook.Event] = hook.Target
+	}
+	if !reflect.DeepEqual(actual, wantTargets) {
+		t.Fatalf("official Grok hooks = %#v, want %#v", actual, wantTargets)
+	}
+}