diff --git a/internal/server/upload_live_smoke_test.go b/internal/server/upload_live_smoke_test.go
new file mode 100644
index 0000000..9a0b1b8
--- /dev/null
+++ b/internal/server/upload_live_smoke_test.go
@@ -0,0 +1,193 @@
+package server
+
+import (
+	"archive/tar"
+	"bytes"
+	"encoding/json"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	_ "git.mchus.pro/mchus/logpile/internal/parser/vendors"
+)
+
+func newFlowTestServer() (*Server, *httptest.Server) {
+	s := &Server{
+		jobManager: NewJobManager(),
+	}
+	mux := http.NewServeMux()
+	mux.HandleFunc("POST /api/upload", s.handleUpload)
+	mux.HandleFunc("GET /api/status", s.handleGetStatus)
+	mux.HandleFunc("POST /api/collect", s.handleCollectStart)
+	mux.HandleFunc("GET /api/collect/{id}", s.handleCollectStatus)
+	mux.HandleFunc("POST /api/collect/{id}/cancel", s.handleCollectCancel)
+	return s, httptest.NewServer(mux)
+}
+
+func TestUploadArchiveRegressionAndSourceMetadata(t *testing.T) {
+	_, ts := newFlowTestServer()
+	defer ts.Close()
+
+	archiveBody := buildTarArchive(t, "logs/plain.txt", "smoke archive content")
+	reqBody := &bytes.Buffer{}
+	writer := multipart.NewWriter(reqBody)
+	part, err := writer.CreateFormFile("archive", "smoke.tar")
+	if err != nil {
+		t.Fatalf("create form file: %v", err)
+	}
+	if _, err := part.Write(archiveBody); err != nil {
+		t.Fatalf("write archive body: %v", err)
+	}
+	if err := writer.Close(); err != nil {
+		t.Fatalf("close multipart writer: %v", err)
+	}
+
+	uploadReq, err := http.NewRequest(http.MethodPost, ts.URL+"/api/upload", reqBody)
+	if err != nil {
+		t.Fatalf("build upload request: %v", err)
+	}
+	uploadReq.Header.Set("Content-Type", writer.FormDataContentType())
+
+	uploadResp, err := http.DefaultClient.Do(uploadReq)
+	if err != nil {
+		t.Fatalf("upload request failed: %v", err)
+	}
+	defer uploadResp.Body.Close()
+
+	if uploadResp.StatusCode != http.StatusOK {
+		t.Fatalf("expected 200 from /api/upload, got %d", uploadResp.StatusCode)
+	}
+
+	var uploadPayload map[string]interface{}
+	if err := json.NewDecoder(uploadResp.Body).Decode(&uploadPayload); err != nil {
+		t.Fatalf("decode upload response: %v", err)
+	}
+	if uploadPayload["status"] != "ok" {
+		t.Fatalf("expected upload status ok, got %v", uploadPayload["status"])
+	}
+	if uploadPayload["filename"] != "smoke.tar" {
+		t.Fatalf("expected filename smoke.tar, got %v", uploadPayload["filename"])
+	}
+	stats, ok := uploadPayload["stats"].(map[string]interface{})
+	if !ok {
+		t.Fatalf("expected stats object in upload response")
+	}
+	if events, ok := stats["events"].(float64); !ok || events < 1 {
+		t.Fatalf("expected at least one parsed event, got %v", stats["events"])
+	}
+
+	statusResp, err := http.Get(ts.URL + "/api/status")
+	if err != nil {
+		t.Fatalf("status request failed: %v", err)
+	}
+	defer statusResp.Body.Close()
+
+	if statusResp.StatusCode != http.StatusOK {
+		t.Fatalf("expected 200 from /api/status, got %d", statusResp.StatusCode)
+	}
+
+	var statusPayload map[string]interface{}
+	if err := json.NewDecoder(statusResp.Body).Decode(&statusPayload); err != nil {
+		t.Fatalf("decode status response: %v", err)
+	}
+	if loaded, _ := statusPayload["loaded"].(bool); !loaded {
+		t.Fatalf("expected loaded=true after upload")
+	}
+	if statusPayload["source_type"] != "archive" {
+		t.Fatalf("expected source_type=archive, got %v", statusPayload["source_type"])
+	}
+	if protocol, _ := statusPayload["protocol"].(string); protocol != "" {
+		t.Fatalf("expected empty protocol for archive, got %q", protocol)
+	}
+	if targetHost, _ := statusPayload["target_host"].(string); targetHost != "" {
+		t.Fatalf("expected empty target_host for archive, got %q", targetHost)
+	}
+	if collectedAt, _ := statusPayload["collected_at"].(string); strings.TrimSpace(collectedAt) == "" {
+		t.Fatalf("expected non-empty collected_at for archive")
+	}
+}
+
+func TestCollectSmokeErrorFormat(t *testing.T) {
+	_, ts := newFlowTestServer()
+	defer ts.Close()
+
+	invalidJSONResp, err := http.Post(ts.URL+"/api/collect", "application/json", strings.NewReader("{"))
+	if err != nil {
+		t.Fatalf("post collect invalid json failed: %v", err)
+	}
+	defer invalidJSONResp.Body.Close()
+
+	if invalidJSONResp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("expected 400 for invalid json, got %d", invalidJSONResp.StatusCode)
+	}
+	assertJSONError(t, invalidJSONResp, "Invalid JSON body")
+
+	invalidFieldsBody := `{"host":"","protocol":"redfish","port":443,"username":"admin","auth_type":"password","password":"secret","tls_mode":"strict"}`
+	invalidFieldsResp, err := http.Post(ts.URL+"/api/collect", "application/json", bytes.NewBufferString(invalidFieldsBody))
+	if err != nil {
+		t.Fatalf("post collect invalid fields failed: %v", err)
+	}
+	defer invalidFieldsResp.Body.Close()
+
+	if invalidFieldsResp.StatusCode != http.StatusUnprocessableEntity {
+		t.Fatalf("expected 422 for invalid fields, got %d", invalidFieldsResp.StatusCode)
+	}
+	assertJSONError(t, invalidFieldsResp, "field 'host' is required")
+}
+
+func TestCollectStatusNotFoundSmoke(t *testing.T) {
+	_, ts := newFlowTestServer()
+	defer ts.Close()
+
+	resp, err := http.Get(ts.URL + "/api/collect/job_notfound123456")
+	if err != nil {
+		t.Fatalf("get collect status failed: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("expected 404 for missing collect job, got %d", resp.StatusCode)
+	}
+	assertJSONError(t, resp, "Collect job not found")
+}
+
+func buildTarArchive(t *testing.T, name, content string) []byte {
+	t.Helper()
+
+	var buf bytes.Buffer
+	tw := tar.NewWriter(&buf)
+	if err := tw.WriteHeader(&tar.Header{
+		Name: name,
+		Mode: 0o600,
+		Size: int64(len(content)),
+	}); err != nil {
+		t.Fatalf("write tar header: %v", err)
+	}
+	if _, err := tw.Write([]byte(content)); err != nil {
+		t.Fatalf("write tar content: %v", err)
+	}
+	if err := tw.Close(); err != nil {
+		t.Fatalf("close tar writer: %v", err)
+	}
+
+	return buf.Bytes()
+}
+
+func assertJSONError(t *testing.T, resp *http.Response, expectedMessage string) {
+	t.Helper()
+
+	contentType := resp.Header.Get("Content-Type")
+	if !strings.Contains(contentType, "application/json") {
+		t.Fatalf("expected application/json error response, got %q", contentType)
+	}
+
+	var payload map[string]string
+	if err := json.NewDecoder(resp.Body).Decode(&payload); err != nil {
+		t.Fatalf("decode error payload: %v", err)
+	}
+	if payload["error"] != expectedMessage {
+		t.Fatalf("expected error %q, got %q", expectedMessage, payload["error"])
+	}
+}