Add per-node action groups with schedules, runs, and logs.

Let operators manage ordered action groups on each host, run them manually or on a schedule over SSH, and inspect disk-backed JSON run logs from a node detail UI.

service/internal/runner/executor_test.go

@@ -0,0 +1,53 @@
+package runner
+
+import (
+	"testing"
+
+	"codeberg.org/SquidSE/ClusterCanvas/service/internal/settings"
+)
+
+func TestResolveItemLibraryAndLocal(t *testing.T) {
+	library := []settings.Action{
+		{
+			ID:   settings.BuiltinActionUptimeID,
+			Name: "Uptime",
+			Kind: settings.ActionKindShell,
+			Body: "uptime",
+			Env:  []settings.ActionEnvVar{},
+		},
+	}
+
+	resolved, err := ResolveItem(settings.NodeActionItem{
+		ID:              "i1",
+		Source:          settings.ActionItemSourceLibrary,
+		LibraryActionID: settings.BuiltinActionUptimeID,
+	}, library)
+	if err != nil {
+		t.Fatalf("ResolveItem library: %v", err)
+	}
+	if resolved.Name != "Uptime" || resolved.Body != "uptime" {
+		t.Fatalf("resolved = %#v", resolved)
+	}
+
+	local, err := ResolveItem(settings.NodeActionItem{
+		ID:     "i2",
+		Source: settings.ActionItemSourceLocal,
+		Name:   "Echo",
+		Kind:   settings.ActionKindShell,
+		Body:   "echo hi",
+		Env:    []settings.ActionEnvVar{},
+	}, library)
+	if err != nil {
+		t.Fatalf("ResolveItem local: %v", err)
+	}
+	if local.Name != "Echo" {
+		t.Fatalf("local = %#v", local)
+	}
+
+	if _, err := ResolveItem(settings.NodeActionItem{
+		Source:          settings.ActionItemSourceLibrary,
+		LibraryActionID: "missing",
+	}, library); err == nil {
+		t.Fatal("expected missing library action error")
+	}
+}