feat: introduce new quality gates, Node.js syntax checks, and manual smoke test status validation

internal/testsuite/runner_env.go

@@ -77,13 +77,7 @@ func (r *Runner) pruneOldRuns() error {
 }
 
 func (r *Runner) runPreflight(ctx context.Context) error {
-	steps := [][]string{
-		{"go", "test", "./...", "-count=1"},
-		{"node", "--check", "api/chat-stream.js"},
-		{"node", "--check", "api/helpers/stream-tool-sieve.js"},
-		{"node", "--test", "api/helpers/stream-tool-sieve.test.js", "api/chat-stream.test.js", "api/compat/js_compat_test.js"},
-		{"npm", "run", "build", "--prefix", "webui"},
-	}
+	steps := preflightSteps()
 	f, err := os.OpenFile(r.preflightLog, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
 	if err != nil {
 		return err
@@ -103,6 +97,15 @@ func (r *Runner) runPreflight(ctx context.Context) error {
 	return nil
 }
 
+func preflightSteps() [][]string {
+	return [][]string{
+		{"go", "test", "./...", "-count=1"},
+		{"./tests/scripts/check-node-split-syntax.sh"},
+		{"node", "--test", "api/helpers/stream-tool-sieve.test.js", "api/chat-stream.test.js", "api/compat/js_compat_test.js"},
+		{"npm", "run", "build", "--prefix", "webui"},
+	}
+}
+
 func (r *Runner) prepareConfigIsolation() error {
 	abs, err := filepath.Abs(r.opts.ConfigPath)
 	if err != nil {

internal/testsuite/runner_env_test.go

@@ -0,0 +1,20 @@
+package testsuite
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestPreflightStepsExactSequence(t *testing.T) {
+	want := [][]string{
+		{"go", "test", "./...", "-count=1"},
+		{"./tests/scripts/check-node-split-syntax.sh"},
+		{"node", "--test", "api/helpers/stream-tool-sieve.test.js", "api/chat-stream.test.js", "api/compat/js_compat_test.js"},
+		{"npm", "run", "build", "--prefix", "webui"},
+	}
+
+	got := preflightSteps()
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("preflight steps mismatch\nwant=%v\ngot=%v", want, got)
+	}
+}

internal/testsuite/runner_registry_test.go

@@ -0,0 +1,85 @@
+package testsuite
+
+import (
+	"sort"
+	"testing"
+)
+
+func TestRunnerCasesRegistryExactSet(t *testing.T) {
+	r := &Runner{}
+	got := r.cases()
+	wantIDs := []string{
+		"healthz_ok",
+		"readyz_ok",
+		"models_openai",
+		"model_openai_by_id",
+		"models_claude",
+		"admin_login_verify",
+		"admin_queue_status",
+		"chat_nonstream_basic",
+		"chat_stream_basic",
+		"responses_nonstream_basic",
+		"responses_stream_basic",
+		"embeddings_contract",
+		"reasoner_stream",
+		"toolcall_nonstream",
+		"toolcall_stream",
+		"anthropic_messages_nonstream",
+		"anthropic_messages_stream",
+		"anthropic_count_tokens",
+		"admin_account_test_single",
+		"concurrency_burst",
+		"concurrency_threshold_limit",
+		"stream_abort_release",
+		"toolcall_stream_mixed",
+		"sse_json_integrity",
+		"error_contract_invalid_model",
+		"error_contract_missing_messages",
+		"admin_unauthorized_contract",
+		"config_write_isolated",
+		"token_refresh_managed_account",
+		"error_contract_invalid_key",
+	}
+
+	if len(got) != len(wantIDs) {
+		t.Fatalf("unexpected case count: got=%d want=%d", len(got), len(wantIDs))
+	}
+
+	wantSet := map[string]struct{}{}
+	for _, id := range wantIDs {
+		wantSet[id] = struct{}{}
+	}
+
+	gotSet := map[string]struct{}{}
+	for i, cs := range got {
+		if cs.ID == "" {
+			t.Fatalf("case[%d] has empty ID", i)
+		}
+		if cs.Run == nil {
+			t.Fatalf("case[%d] (%s) has nil Run", i, cs.ID)
+		}
+		if _, exists := gotSet[cs.ID]; exists {
+			t.Fatalf("duplicate case ID: %s", cs.ID)
+		}
+		gotSet[cs.ID] = struct{}{}
+	}
+
+	var missing []string
+	for id := range wantSet {
+		if _, ok := gotSet[id]; !ok {
+			missing = append(missing, id)
+		}
+	}
+	var extra []string
+	for id := range gotSet {
+		if _, ok := wantSet[id]; !ok {
+			extra = append(extra, id)
+		}
+	}
+	sort.Strings(missing)
+	sort.Strings(extra)
+
+	if len(missing) > 0 || len(extra) > 0 {
+		t.Fatalf("registry mismatch: missing=%v extra=%v", missing, extra)
+	}
+}