Add Configuration Actions tab for shell and script action definitions.

Admins can manage built-in and custom actions with placeholders, ENV vars, and actions.create/update/delete permissions.

service/internal/settings/actions_test.go

@@ -0,0 +1,68 @@
+package settings
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestLoadActionsOrSeedCreatesBuiltins(t *testing.T) {
+	dir := t.TempDir()
+
+	store, err := LoadActionsOrSeed(dir)
+	if err != nil {
+		t.Fatalf("LoadActionsOrSeed: %v", err)
+	}
+	if len(store.Actions) != 3 {
+		t.Fatalf("expected 3 builtins, got %d", len(store.Actions))
+	}
+	for _, action := range store.Actions {
+		if !action.Builtin {
+			t.Fatalf("expected builtin action, got %#v", action)
+		}
+	}
+
+	path := filepath.Join(dir, ActionsFileName)
+	if _, err := os.Stat(path); err != nil {
+		t.Fatalf("expected actions.json to exist: %v", err)
+	}
+
+	reloaded, err := LoadActions(dir)
+	if err != nil {
+		t.Fatalf("LoadActions: %v", err)
+	}
+	if len(reloaded.Actions) != 3 {
+		t.Fatalf("reloaded len = %d", len(reloaded.Actions))
+	}
+}
+
+func TestActionsRoundTrip(t *testing.T) {
+	dir := t.TempDir()
+	store := ActionStore{
+		Actions: append(DefaultBuiltinActions(), Action{
+			ID:          "aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee",
+			Name:        "Custom",
+			Description: "A custom shell action",
+			Kind:        ActionKindShell,
+			Body:        "echo hello",
+			Env: []ActionEnvVar{
+				{Name: "APP_HOME", Value: "/opt/app"},
+			},
+			Builtin: false,
+		}),
+	}
+	if err := SaveActions(dir, store); err != nil {
+		t.Fatalf("SaveActions: %v", err)
+	}
+	loaded, err := LoadActions(dir)
+	if err != nil {
+		t.Fatalf("LoadActions: %v", err)
+	}
+	if len(loaded.Actions) != 4 {
+		t.Fatalf("loaded len = %d", len(loaded.Actions))
+	}
+	custom := loaded.Actions[3]
+	if custom.Name != "Custom" || len(custom.Env) != 1 || custom.Env[0].Name != "APP_HOME" {
+		t.Fatalf("custom = %#v", custom)
+	}
+}