AI translate refactor

cmd/worker/bootstrap/bootstrap.go

@@ -2,6 +2,7 @@ package bootstrap
 
 import (
 	"fmt"
+	"strings"
 	"time"
 	"tm/cmd/worker/workers"
 	"tm/internal/notice"
@@ -77,7 +78,7 @@ func InitMongoDB(conf config.MongoConfig, log logger.Logger) *mongo.ConnectionMa
 }
 
 // Init Worker
-func InitWorker(config Config, mongoManager *mongo.ConnectionManager, appLogger logger.Logger, notify notification.SDK, minioService *minio.Service, aiClient *ai_summarizer.Client) *schedule.CronScheduler {
+func InitWorker(config Config, mongoManager *mongo.ConnectionManager, appLogger logger.Logger, notify notification.SDK, minioService *minio.Service, aiClient *ai_summarizer.Client, aiStorage *ai_summarizer.StorageClient) *schedule.CronScheduler {
 	// Debug: Log worker config
 	appLogger.Info("Worker configuration", map[string]interface{}{
 		"worker_interval":            config.Worker.Interval,
@@ -192,9 +193,9 @@ func InitWorker(config Config, mongoManager *mongo.ConnectionManager, appLogger
 		Expr: workerInterval,
 	})
 
-	// Initialize translation backfill worker for default language
+	// Initialize translation backfill worker for configured languages
 	if aiClient != nil {
-		targetLanguage := config.AISummarizer.DefaultLanguage
+		targetLanguages := parseTranslationLanguages(config.AISummarizer)
 		scheduler.AddJob(schedule.Job{
 			Name: "Tender Translation Worker Job",
 			Func: func() {
@@ -203,7 +204,8 @@ func InitWorker(config Config, mongoManager *mongo.ConnectionManager, appLogger
 					appLogger,
 					tenderRepo,
 					aiClient,
-					targetLanguage,
+					aiStorage,
+					targetLanguages,
 					config.Worker.TranslationBatchSize,
 				)
 				worker.Run()
@@ -211,7 +213,7 @@ func InitWorker(config Config, mongoManager *mongo.ConnectionManager, appLogger
 			Expr: config.Worker.TranslationInterval,
 		})
 		appLogger.Info("Scheduled tender translation worker", map[string]interface{}{
-			"target_language": targetLanguage,
+			"target_languages": targetLanguages,
 			"interval":         config.Worker.TranslationInterval,
 			"batch_size":       config.Worker.TranslationBatchSize,
 		})
@@ -274,6 +276,67 @@ func InitAISummarizerClient(conf AISummarizerConfig, log logger.Logger) *ai_summ
 	return client
 }
 
+// InitAISummarizerStorage initializes the AI summarizer MinIO storage client for workers.
+func InitAISummarizerStorage(conf AISummarizerConfig, log logger.Logger) *ai_summarizer.StorageClient {
+	if conf.MinioEndpoint == "" {
+		log.Warn("AI Summarizer MinIO endpoint not configured, translation sync from storage will be unavailable", map[string]interface{}{})
+		return nil
+	}
+
+	cfg := &ai_summarizer.Config{
+		APIBaseURL:     conf.APIBaseURL,
+		APITimeout:     conf.APITimeout,
+		APIRetryCount:  conf.APIRetryCount,
+		APIRetryDelay:  conf.APIRetryDelay,
+		MinioEndpoint:  conf.MinioEndpoint,
+		MinioAccessKey: conf.MinioAccessKey,
+		MinioSecretKey: conf.MinioSecretKey,
+		MinioUseSSL:    conf.MinioUseSSL,
+		MinioRegion:    conf.MinioRegion,
+		MinioBucket:    conf.MinioBucket,
+	}
+
+	storage, err := ai_summarizer.NewStorageClient(cfg, log)
+	if err != nil {
+		log.Error("Failed to initialize AI Summarizer storage client for worker", map[string]interface{}{
+			"error": err.Error(),
+		})
+		return nil
+	}
+
+	log.Info("AI Summarizer storage client initialized for worker", map[string]interface{}{
+		"endpoint": conf.MinioEndpoint,
+		"bucket":   conf.MinioBucket,
+	})
+
+	return storage
+}
+
+func parseTranslationLanguages(conf AISummarizerConfig) []string {
+	raw := strings.TrimSpace(conf.TranslationLanguages)
+	if raw == "" {
+		raw = conf.DefaultLanguage
+	}
+	parts := strings.Split(raw, ",")
+	langs := make([]string, 0, len(parts))
+	seen := make(map[string]struct{}, len(parts))
+	for _, part := range parts {
+		lang := strings.ToLower(strings.TrimSpace(part))
+		if lang == "" {
+			continue
+		}
+		if _, dup := seen[lang]; dup {
+			continue
+		}
+		seen[lang] = struct{}{}
+		langs = append(langs, lang)
+	}
+	if len(langs) == 0 {
+		return []string{"en"}
+	}
+	return langs
+}
+
 // Init Notification Service
 func InitNotificationService(conf config.NotificationConfig, log logger.Logger) notification.SDK {
 	notificationConfig := &notification.Config{

cmd/worker/bootstrap/config.go

@@ -55,4 +55,11 @@ type AISummarizerConfig struct {
 	APIRetryCount         int           `env:"AI_SUMMARIZER_API_RETRY_COUNT" envDefault:"2"`
 	APIRetryDelay         time.Duration `env:"AI_SUMMARIZER_API_RETRY_DELAY" envDefault:"3s"`
 	DefaultLanguage       string        `env:"AI_SUMMARIZER_DEFAULT_LANGUAGE" envDefault:"en"`
+	TranslationLanguages  string        `env:"AI_SUMMARIZER_TRANSLATION_LANGUAGES" envDefault:"en"`
+	MinioEndpoint         string        `env:"AI_SUMMARIZER_MINIO_ENDPOINT" envDefault:""`
+	MinioAccessKey        string        `env:"AI_SUMMARIZER_MINIO_ACCESS_KEY" envDefault:""`
+	MinioSecretKey        string        `env:"AI_SUMMARIZER_MINIO_SECRET_KEY" envDefault:""`
+	MinioUseSSL           bool          `env:"AI_SUMMARIZER_MINIO_USE_SSL" envDefault:"false"`
+	MinioRegion           string        `env:"AI_SUMMARIZER_MINIO_REGION" envDefault:"us-east-1"`
+	MinioBucket           string        `env:"AI_SUMMARIZER_MINIO_BUCKET" envDefault:"opplens-documents"`
 }

cmd/worker/main.go

@@ -45,9 +45,10 @@ func main() {
 
 	// Initialize AI summarizer client (translation + document summarization workers)
 	aiSummarizerClient := bootstrap.InitAISummarizerClient(config.AISummarizer, appLogger)
+	aiSummarizerStorage := bootstrap.InitAISummarizerStorage(config.AISummarizer, appLogger)
 
 	// Initialize Worker
-	scheduler := bootstrap.InitWorker(*config, mongoManager, appLogger, notificationService, minioService, aiSummarizerClient)
+	scheduler := bootstrap.InitWorker(*config, mongoManager, appLogger, notificationService, minioService, aiSummarizerClient, aiSummarizerStorage)
 
 	// Set up signal handling for graceful shutdown
 	signalChan := make(chan os.Signal, 1)

cmd/worker/workers/translation.go

@@ -2,6 +2,7 @@ package workers
 
 import (
 	"context"
+	"errors"
 	"strings"
 	"time"
 	"tm/internal/tender"
@@ -10,20 +11,43 @@ import (
 	"tm/pkg/mongo"
 )
 
-// TranslationWorker backfills missing tender translations using AI summarizer API.
+// TranslationWorker backfills missing tender translations using the AI pipeline
+// and on-demand translate API, syncing results from MinIO when available.
 type TranslationWorker struct {
 	Mongo            *mongo.ConnectionManager
 	Logger           logger.Logger
 	TenderRepo       tender.TenderRepository
 	AIClient         *ai_summarizer.Client
-	TargetLanguage string
+	AIStorage        *ai_summarizer.StorageClient
+	TargetLanguages  []string
 	BatchSize        int
 }
 
-// NewTranslationWorker creates a translation worker for a target language.
-func NewTranslationWorker(mongo *mongo.ConnectionManager, logger logger.Logger, tenderRepo tender.TenderRepository, aiClient *ai_summarizer.Client, targetLanguage string, batchSize int) *TranslationWorker {
-	if strings.TrimSpace(targetLanguage) == "" {
-		targetLanguage = "en"
+// NewTranslationWorker creates a translation worker for the given target languages.
+func NewTranslationWorker(
+	mongo *mongo.ConnectionManager,
+	logger logger.Logger,
+	tenderRepo tender.TenderRepository,
+	aiClient *ai_summarizer.Client,
+	aiStorage *ai_summarizer.StorageClient,
+	targetLanguages []string,
+	batchSize int,
+) *TranslationWorker {
+	langs := make([]string, 0, len(targetLanguages))
+	seen := make(map[string]struct{}, len(targetLanguages))
+	for _, lang := range targetLanguages {
+		clean := strings.ToLower(strings.TrimSpace(lang))
+		if clean == "" {
+			continue
+		}
+		if _, dup := seen[clean]; dup {
+			continue
+		}
+		seen[clean] = struct{}{}
+		langs = append(langs, clean)
+	}
+	if len(langs) == 0 {
+		langs = []string{"en"}
 	}
 	if batchSize <= 0 {
 		batchSize = 20
@@ -34,7 +58,8 @@ func NewTranslationWorker(mongo *mongo.ConnectionManager, logger logger.Logger,
 		Logger:          logger,
 		TenderRepo:      tenderRepo,
 		AIClient:        aiClient,
-		TargetLanguage: strings.ToLower(strings.TrimSpace(targetLanguage)),
+		AIStorage:       aiStorage,
+		TargetLanguages: langs,
 		BatchSize:       batchSize,
 	}
 }
@@ -43,48 +68,60 @@ func NewTranslationWorker(mongo *mongo.ConnectionManager, logger logger.Logger,
 func (w *TranslationWorker) Run() {
 	if w.AIClient == nil {
 		w.Logger.Warn("Translation worker skipped: AI client is not configured", map[string]interface{}{
-			"target_language": w.TargetLanguage,
+			"target_languages": w.TargetLanguages,
 		})
 		return
 	}
 
 	w.Logger.Info("Translation worker started", map[string]interface{}{
-		"target_language": w.TargetLanguage,
+		"target_languages": w.TargetLanguages,
 		"batch_size":       w.BatchSize,
 	})
 
-	for {
-		// Always use skip=0 because successfully translated tenders are excluded by filter.
-		tenders, totalCount, err := w.TenderRepo.GetUnTranslatedTenders(context.Background(), w.TargetLanguage, w.BatchSize, 0)
-		if err != nil {
-			w.Logger.Error("Failed to fetch untranslated tenders", map[string]interface{}{
-				"target_language": w.TargetLanguage,
+	if _, err := w.AIClient.TriggerPipelineTranslate(context.Background(), w.TargetLanguages); err != nil {
+		w.Logger.Warn("Failed to trigger AI pipeline translate (continuing with per-tender sync)", map[string]interface{}{
+			"target_languages": w.TargetLanguages,
 			"error":            err.Error(),
 		})
-			break
+	}
+
+	for _, language := range w.TargetLanguages {
+		w.runForLanguage(language)
+	}
+
+	w.Logger.Info("Translation worker completed", map[string]interface{}{
+		"target_languages": w.TargetLanguages,
+	})
+}
+
+func (w *TranslationWorker) runForLanguage(language string) {
+	for {
+		tenders, totalCount, err := w.TenderRepo.GetUnTranslatedTenders(context.Background(), language, w.BatchSize, 0)
+		if err != nil {
+			w.Logger.Error("Failed to fetch untranslated tenders", map[string]interface{}{
+				"target_language": language,
+				"error":           err.Error(),
+			})
+			return
 		}
 
 		w.Logger.Info("Fetched untranslated tenders batch", map[string]interface{}{
-			"target_language": w.TargetLanguage,
+			"target_language": language,
 			"batch_count":     len(tenders),
 			"total_count":     totalCount,
 		})
 
 		if len(tenders) == 0 {
-			break
+			return
 		}
 
 		for _, t := range tenders {
-			w.translateTender(&t)
+			w.translateTender(&t, language)
+		}
 	}
 }
 
-	w.Logger.Info("Translation worker completed", map[string]interface{}{
-		"target_language": w.TargetLanguage,
-	})
-}
-
-func (w *TranslationWorker) translateTender(t *tender.Tender) {
+func (w *TranslationWorker) translateTender(t *tender.Tender, language string) {
 	if t.NoticePublicationID == "" {
 		return
 	}
@@ -94,56 +131,34 @@ func (w *TranslationWorker) translateTender(t *tender.Tender) {
 		})
 		return
 	}
-	if existing, ok := t.Translations[w.TargetLanguage]; ok && strings.TrimSpace(existing.Title) != "" {
+	if existing, ok := t.Translations[language]; ok && strings.TrimSpace(existing.Title) != "" {
 		w.Logger.Debug("Skipping tender translation because target language already exists", map[string]interface{}{
 			"tender_id":       t.ID.Hex(),
 			"notice_id":       t.NoticePublicationID,
-			"target_language": w.TargetLanguage,
+			"target_language": language,
 		})
 		return
 	}
 
-	resp, err := w.AIClient.FetchTranslationOnDemand(context.Background(), ai_summarizer.TranslateRequest{
-		NoticeID:            t.NoticePublicationID,
-		ContractFolderID:    t.ContractFolderID,
-		NoticePublicationID: t.NoticePublicationID,
-		Title:               t.Title,
-		Description:         t.Description,
-		Language:            w.TargetLanguage,
-	})
+	title, description, source, err := w.resolveTranslation(t, language)
 	if err != nil {
 		w.Logger.Error("Failed to translate tender", map[string]interface{}{
 			"tender_id":         t.ID.Hex(),
 			"notice_id":         t.NoticePublicationID,
-			"target_language":   w.TargetLanguage,
+			"target_language":   language,
+			"translation_source": source,
 			"translation_error": err.Error(),
 		})
 		return
 	}
 
-	if t.Translations == nil {
-		t.Translations = make(map[string]tender.TranslationEntry)
-	}
-	now := time.Now().Unix()
-	// Only update the target-language slot. Existing translations in other
-	// languages (e.g., "de", "fr") are preserved and never modified.
-	t.Translations[w.TargetLanguage] = tender.TranslationEntry{
-		Title:        resp.TranslatedTitle,
-		Description:  resp.TranslatedDescription,
-		Language:     w.TargetLanguage,
-		TranslatedAt: now,
-	}
-	if t.ProcessingMetadata.TranslatedData == nil {
-		t.ProcessingMetadata.TranslatedData = make(map[string]string)
-	}
-	t.ProcessingMetadata.TranslatedData[w.TargetLanguage] = "done"
-	t.ProcessingMetadata.TranslatedAt = now
-
+	persistTranslation(t, language, title, description)
 	if err := w.TenderRepo.Update(context.Background(), t); err != nil {
 		w.Logger.Error("Failed to persist translated tender", map[string]interface{}{
 			"tender_id":         t.ID.Hex(),
 			"notice_id":         t.NoticePublicationID,
-			"target_language":   w.TargetLanguage,
+			"target_language":   language,
+			"translation_source": source,
 			"persistence_error": err.Error(),
 		})
 		return
@@ -152,6 +167,61 @@ func (w *TranslationWorker) translateTender(t *tender.Tender) {
 	w.Logger.Info("Tender translated successfully", map[string]interface{}{
 		"tender_id":          t.ID.Hex(),
 		"notice_id":          t.NoticePublicationID,
-		"target_language": w.TargetLanguage,
+		"target_language":    language,
+		"translation_source": source,
 	})
 }
+
+func (w *TranslationWorker) resolveTranslation(t *tender.Tender, language string) (title, description, source string, err error) {
+	if w.AIStorage != nil {
+		stored, storageErr := w.AIStorage.GetTranslationFromStorage(
+			context.Background(),
+			t.ContractFolderID,
+			t.NoticePublicationID,
+			language,
+		)
+		if storageErr == nil {
+			return stored.Title, stored.Description, "storage", nil
+		}
+		if !errors.Is(storageErr, ai_summarizer.ErrTranslationNotReady) &&
+			!errors.Is(storageErr, ai_summarizer.ErrObjectNotFound) &&
+			!errors.Is(storageErr, ai_summarizer.ErrNoTranslation) {
+			w.Logger.Debug("Translation not available from storage yet", map[string]interface{}{
+				"tender_id":       t.ID.Hex(),
+				"notice_id":       t.NoticePublicationID,
+				"target_language": language,
+				"error":           storageErr.Error(),
+			})
+		}
+	}
+
+	resp, apiErr := w.AIClient.FetchTranslationOnDemand(context.Background(), ai_summarizer.TranslateRequest{
+		ContractFolderID:    t.ContractFolderID,
+		NoticePublicationID: t.NoticePublicationID,
+		Title:               t.Title,
+		Description:         t.Description,
+		Language:            language,
+	})
+	if apiErr != nil {
+		return "", "", "api", apiErr
+	}
+	return resp.TranslatedTitle, resp.TranslatedDescription, "api", nil
+}
+
+func persistTranslation(t *tender.Tender, language, title, description string) {
+	if t.Translations == nil {
+		t.Translations = make(map[string]tender.TranslationEntry)
+	}
+	now := time.Now().Unix()
+	t.Translations[language] = tender.TranslationEntry{
+		Title:        title,
+		Description:  description,
+		Language:     language,
+		TranslatedAt: now,
+	}
+	if t.ProcessingMetadata.TranslatedData == nil {
+		t.ProcessingMetadata.TranslatedData = make(map[string]string)
+	}
+	t.ProcessingMetadata.TranslatedData[language] = "done"
+	t.ProcessingMetadata.TranslatedAt = now
+}

internal/tender/form.go

@@ -517,7 +517,8 @@ type AITranslateRequest struct {
 
 // AITranslateResponse represents the response for AI translation trigger.
 type AITranslateResponse struct {
-	NoticeID              string `json:"notice_id"`
+	ContractFolderID      string `json:"contract_folder_id"`
+	NoticePublicationID   string `json:"notice_publication_id"`
 	Language              string `json:"language"`
 	TranslatedTitle       string `json:"translated_title"`
 	TranslatedDescription string `json:"translated_description"`

internal/tender/service.go

@@ -21,6 +21,7 @@ import (
 type AISummarizerClient interface {
 	FetchSummaryOnDemand(ctx context.Context, reqBody ai_summarizer.SummarizeRequest) (*ai_summarizer.SummarizeResponse, error)
 	FetchTranslationOnDemand(ctx context.Context, reqBody ai_summarizer.TranslateRequest) (*ai_summarizer.TranslateResponse, error)
+	TriggerPipelineTranslate(ctx context.Context, languages []string) (*ai_summarizer.PipelineTranslateResponse, error)
 }
 
 // AISummarizerStorage defines the interface for fetching summaries from MinIO storage.
@@ -28,6 +29,7 @@ type AISummarizerClient interface {
 // PROC_<contractFolderID>/<noticePublicationID>/ in the shared bucket.
 type AISummarizerStorage interface {
 	GetSummaryFromStorage(ctx context.Context, contractFolderID, noticePublicationID string) (string, error)
+	GetTranslationFromStorage(ctx context.Context, contractFolderID, noticePublicationID, language string) (ai_summarizer.StoredTranslation, error)
 	ListDocuments(ctx context.Context, contractFolderID, noticePublicationID string) ([]ai_summarizer.StoredDocument, error)
 	DownloadDocument(ctx context.Context, objectName string) (io.ReadCloser, error)
 }
@@ -1051,25 +1053,13 @@ func (s *tenderService) TriggerAITranslate(ctx context.Context, id, language str
 		return nil, fmt.Errorf("tender has no contract folder ID")
 	}
 
-	if tr, ok := t.Translations[targetLanguage]; ok {
-		return &AITranslateResponse{
-			NoticeID:              t.NoticePublicationID,
-			Language:              targetLanguage,
-			TranslatedTitle:       tr.Title,
-			TranslatedDescription: tr.Description,
-		}, nil
+	if tr, ok := t.Translations[targetLanguage]; ok && strings.TrimSpace(tr.Title) != "" {
+		return s.buildAITranslateResponse(t, targetLanguage, tr.Title, tr.Description), nil
 	}
 
-	resp, err := s.aiSummarizerClient.FetchTranslationOnDemand(ctx, ai_summarizer.TranslateRequest{
-		NoticeID:            t.NoticePublicationID,
-		ContractFolderID:    t.ContractFolderID,
-		NoticePublicationID: t.NoticePublicationID,
-		Title:               t.Title,
-		Description:         t.Description,
-		Language:            targetLanguage,
-	})
+	title, description, err := s.resolveTranslation(ctx, t, targetLanguage)
 	if err != nil {
-		s.logger.Error("On-demand AI translation failed", map[string]interface{}{
+		s.logger.Error("AI translation failed", map[string]interface{}{
 			"tender_id": id,
 			"notice_id": t.NoticePublicationID,
 			"language":  targetLanguage,
@@ -1078,33 +1068,70 @@ func (s *tenderService) TriggerAITranslate(ctx context.Context, id, language str
 		return nil, fmt.Errorf("AI translation request failed: %w", err)
 	}
 
+	s.storeTranslation(t, targetLanguage, title, description)
+	if err := s.repository.Update(ctx, t); err != nil {
+		return nil, fmt.Errorf("failed to persist translation: %w", err)
+	}
+
+	return s.buildAITranslateResponse(t, targetLanguage, title, description), nil
+}
+
+func (s *tenderService) buildAITranslateResponse(t *Tender, language, title, description string) *AITranslateResponse {
+	return &AITranslateResponse{
+		ContractFolderID:      t.ContractFolderID,
+		NoticePublicationID:   t.NoticePublicationID,
+		Language:              language,
+		TranslatedTitle:       title,
+		TranslatedDescription: description,
+	}
+}
+
+func (s *tenderService) resolveTranslation(ctx context.Context, t *Tender, language string) (string, string, error) {
+	if s.aiSummarizerStorage != nil {
+		stored, err := s.aiSummarizerStorage.GetTranslationFromStorage(ctx, t.ContractFolderID, t.NoticePublicationID, language)
+		if err == nil {
+			return stored.Title, stored.Description, nil
+		}
+		if !errors.Is(err, ai_summarizer.ErrTranslationNotReady) &&
+			!errors.Is(err, ai_summarizer.ErrObjectNotFound) &&
+			!errors.Is(err, ai_summarizer.ErrNoTranslation) {
+			s.logger.Debug("Translation not available from storage", map[string]interface{}{
+				"tender_id": t.ID.Hex(),
+				"language":  language,
+				"error":     err.Error(),
+			})
+		}
+	}
+
+	resp, err := s.aiSummarizerClient.FetchTranslationOnDemand(ctx, ai_summarizer.TranslateRequest{
+		ContractFolderID:    t.ContractFolderID,
+		NoticePublicationID: t.NoticePublicationID,
+		Title:               t.Title,
+		Description:         t.Description,
+		Language:            language,
+	})
+	if err != nil {
+		return "", "", err
+	}
+	return resp.TranslatedTitle, resp.TranslatedDescription, nil
+}
+
+func (s *tenderService) storeTranslation(t *Tender, language, title, description string) {
 	if t.Translations == nil {
 		t.Translations = make(map[string]TranslationEntry)
 	}
-
 	now := time.Now().Unix()
-	t.Translations[targetLanguage] = TranslationEntry{
-		Title:        resp.TranslatedTitle,
-		Description:  resp.TranslatedDescription,
-		Language:     targetLanguage,
+	t.Translations[language] = TranslationEntry{
+		Title:        title,
+		Description:  description,
+		Language:     language,
 		TranslatedAt: now,
 	}
 	if t.ProcessingMetadata.TranslatedData == nil {
 		t.ProcessingMetadata.TranslatedData = make(map[string]string)
 	}
-	t.ProcessingMetadata.TranslatedData[targetLanguage] = "done"
+	t.ProcessingMetadata.TranslatedData[language] = "done"
 	t.ProcessingMetadata.TranslatedAt = now
-
-	if err := s.repository.Update(ctx, t); err != nil {
-		return nil, fmt.Errorf("failed to persist translation: %w", err)
-	}
-
-	return &AITranslateResponse{
-		NoticeID:              resp.NoticeID,
-		Language:              targetLanguage,
-		TranslatedTitle:       resp.TranslatedTitle,
-		TranslatedDescription: resp.TranslatedDescription,
-	}, nil
 }
 
 func (s *tenderService) pickResponseLanguage(language *string) string {

pkg/ai_summarizer/client.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"strings"
 	"time"
 
 	"tm/pkg/logger"
@@ -93,7 +94,8 @@ func (c *Client) FetchTranslationOnDemand(ctx context.Context, reqBody Translate
 	for attempt := 0; attempt <= c.config.APIRetryCount; attempt++ {
 		if attempt > 0 {
 			c.logger.Warn("Retrying AI translate request", map[string]interface{}{
-				"notice_id": reqBody.NoticeID,
+				"notice_publication_id": reqBody.NoticePublicationID,
+				"language":              reqBody.Language,
 				"attempt":               attempt,
 			})
 			select {
@@ -107,7 +109,8 @@ func (c *Client) FetchTranslationOnDemand(ctx context.Context, reqBody Translate
 		if err != nil {
 			lastErr = err
 			c.logger.Error("AI translate request failed", map[string]interface{}{
-				"notice_id": reqBody.NoticeID,
+				"notice_publication_id": reqBody.NoticePublicationID,
+				"language":              reqBody.Language,
 				"attempt":               attempt,
 				"error":                 err.Error(),
 			})
@@ -120,6 +123,50 @@ func (c *Client) FetchTranslationOnDemand(ctx context.Context, reqBody Translate
 	return nil, fmt.Errorf("ai_summarizer: all %d translation attempts failed, last error: %w", c.config.APIRetryCount+1, lastErr)
 }
 
+// TriggerPipelineTranslate calls POST /pipeline/translate to enqueue batch translation
+// for the given target languages.
+func (c *Client) TriggerPipelineTranslate(ctx context.Context, languages []string) (*PipelineTranslateResponse, error) {
+	reqBody := PipelineTranslateRequest{Languages: languages}
+	jsonBody, err := json.Marshal(reqBody)
+	if err != nil {
+		return nil, fmt.Errorf("ai_summarizer: failed to marshal pipeline translate request: %w", err)
+	}
+
+	url := c.config.APIBaseURL + "/pipeline/translate"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(jsonBody))
+	if err != nil {
+		return nil, fmt.Errorf("ai_summarizer: failed to create pipeline translate request: %w", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Accept", "application/json")
+
+	httpResp, err := c.httpClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("ai_summarizer: pipeline translate request error: %w", err)
+	}
+	defer httpResp.Body.Close()
+
+	bodyBytes, err := io.ReadAll(httpResp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("ai_summarizer: failed to read pipeline translate response: %w", err)
+	}
+	if httpResp.StatusCode >= 400 {
+		return nil, fmt.Errorf("%w: status %d, body: %s", ErrAPINonSuccess, httpResp.StatusCode, string(bodyBytes))
+	}
+
+	var result PipelineTranslateResponse
+	if err := json.Unmarshal(bodyBytes, &result); err != nil {
+		return nil, fmt.Errorf("ai_summarizer: failed to decode pipeline translate response: %w", err)
+	}
+
+	c.logger.Info("Pipeline translate triggered", map[string]interface{}{
+		"status":    result.Status,
+		"languages": result.Languages,
+	})
+
+	return &result, nil
+}
+
 // doPost performs a single POST request and parses the response.
 func (c *Client) doPost(ctx context.Context, url string, jsonBody []byte) (*SummarizeResponse, error) {
 	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(jsonBody))
@@ -193,15 +240,37 @@ func (c *Client) doTranslatePost(ctx context.Context, url string, jsonBody []byt
 		return nil, fmt.Errorf("%w: status %d, body: %s", ErrAPINonSuccess, httpResp.StatusCode, string(bodyBytes))
 	}
 
-	var result TranslateResponse
-	if err := json.Unmarshal(bodyBytes, &result); err != nil {
-		return nil, fmt.Errorf("ai_summarizer: failed to decode translation response JSON: %w", err)
+	result, err := decodeTranslateResponse(bodyBytes)
+	if err != nil {
+		return nil, err
 	}
 
 	c.logger.Info("AI translate request succeeded", map[string]interface{}{
-		"notice_id": result.NoticeID,
+		"notice_publication_id": result.NoticePublicationID,
 		"language":              result.Language,
 	})
 
-	return &result, nil
+	return result, nil
+}
+
+type translateAPIEnvelope struct {
+	Success bool              `json:"success"`
+	Message string            `json:"message"`
+	Data    TranslateResponse `json:"data"`
+}
+
+func decodeTranslateResponse(bodyBytes []byte) (*TranslateResponse, error) {
+	var envelope translateAPIEnvelope
+	if err := json.Unmarshal(bodyBytes, &envelope); err == nil && envelope.Success && envelope.Data.Language != "" {
+		return &envelope.Data, nil
+	}
+
+	var direct TranslateResponse
+	if err := json.Unmarshal(bodyBytes, &direct); err != nil {
+		return nil, fmt.Errorf("ai_summarizer: failed to decode translation response JSON: %w", err)
+	}
+	if strings.TrimSpace(direct.Language) == "" {
+		return nil, fmt.Errorf("ai_summarizer: translation response missing language")
+	}
+	return &direct, nil
 }

pkg/ai_summarizer/entities.go

@@ -44,20 +44,60 @@ type StoredDocument struct {
 // TranslateRequest represents the request payload sent to the AI service
 // POST /ai/translate endpoint.
 type TranslateRequest struct {
-	NoticeID            string `json:"notice_id"`             // required (TED-style notice key)
-	ContractFolderID    string `json:"contract_folder_id"`    // required by AI service (procedure / MinIO prefix)
-	NoticePublicationID string `json:"notice_publication_id"` // required by AI service
-	Title               string `json:"title"`                 // required
-	Description         string `json:"description"`           // required
-	Language            string `json:"language,omitempty"`    // optional target language override
+	ContractFolderID    string `json:"contract_folder_id"`
+	NoticePublicationID string `json:"notice_publication_id"`
+	Title               string `json:"title"`
+	Description         string `json:"description"`
+	Language            string `json:"language"`
 }
 
-// TranslateResponse represents the response from the AI translation API.
+// TranslateResponse represents the translation payload from POST /ai/translate.
 type TranslateResponse struct {
-	NoticeID              string `json:"notice_id"`
+	ContractFolderID      string `json:"contract_folder_id"`
+	NoticePublicationID   string `json:"notice_publication_id"`
+	Language              string `json:"language"`
 	TranslatedTitle       string `json:"translated_title"`
 	TranslatedDescription string `json:"translated_description"`
-	Language              string `json:"language"`
+}
+
+// PipelineTranslateRequest represents the request payload for POST /pipeline/translate.
+type PipelineTranslateRequest struct {
+	Languages []string `json:"languages"`
+}
+
+// PipelineTranslateResponse represents the response from POST /pipeline/translate.
+type PipelineTranslateResponse struct {
+	Status    string   `json:"status"`
+	Languages []string `json:"languages"`
+}
+
+// StoredTranslation is one language entry inside tender.json translations map.
+type StoredTranslation struct {
+	Title       string `json:"title"`
+	Description string `json:"description"`
+}
+
+// TranslationStatus tracks which languages the async pipeline has finished.
+type TranslationStatus struct {
+	Done      []string `json:"done"`
+	DoneUpper []string `json:"Done"`
+}
+
+func (s TranslationStatus) languagesDone() []string {
+	if len(s.Done) > 0 {
+		return s.Done
+	}
+	return s.DoneUpper
+}
+
+func languageInDone(done []string, language string) bool {
+	lang := strings.ToLower(strings.TrimSpace(language))
+	for _, item := range done {
+		if strings.ToLower(strings.TrimSpace(item)) == lang {
+			return true
+		}
+	}
+	return false
 }
 
 // TenderJSON represents the structure of the <notice_id>/tender.json file
@@ -67,6 +107,9 @@ type TenderJSON struct {
 	OverallSummaryCamel  *string                        `json:"overallSummary"`
 	SummarizeStatus      SummarizeStatus                `json:"summarize_status"`
 	SummarizeStatusCamel SummarizeStatus                `json:"summarizeStatus"`
+	Translations           map[string]StoredTranslation `json:"translations"`
+	TranslationStatus      TranslationStatus              `json:"translation_status"`
+	TranslationStatusCamel TranslationStatus              `json:"translationStatus"`
 }
 
 // resolved returns whether summarization is marked done and the best-effort
@@ -90,3 +133,33 @@ type SummarizeStatus struct {
 func (s SummarizeStatus) isDone() bool {
 	return s.Done || s.DoneUpper
 }
+
+// translationsDone returns languages marked complete by the translation pipeline.
+func (t *TenderJSON) translationsDone() []string {
+	done := t.TranslationStatus.languagesDone()
+	if len(done) > 0 {
+		return done
+	}
+	return t.TranslationStatusCamel.languagesDone()
+}
+
+// translationForLanguage returns stored translation text when the pipeline marked
+// the language done and non-empty title exists.
+func (t *TenderJSON) translationForLanguage(language string) (StoredTranslation, bool) {
+	if t == nil || !languageInDone(t.translationsDone(), language) {
+		return StoredTranslation{}, false
+	}
+	lang := strings.ToLower(strings.TrimSpace(language))
+	if t.Translations != nil {
+		for key, entry := range t.Translations {
+			if strings.ToLower(strings.TrimSpace(key)) != lang {
+				continue
+			}
+			if strings.TrimSpace(entry.Title) == "" {
+				continue
+			}
+			return entry, true
+		}
+	}
+	return StoredTranslation{}, false
+}

pkg/ai_summarizer/errors.go

@@ -12,6 +12,14 @@ var (
 	// overall_summary is empty or null.
 	ErrNoOverallSummary = errors.New("ai_summarizer: overall_summary is empty")
 
+	// ErrTranslationNotReady is returned when tender.json exists but the
+	// requested language is not listed in translation_status.done yet.
+	ErrTranslationNotReady = errors.New("ai_summarizer: translation not ready yet")
+
+	// ErrNoTranslation is returned when translation_status marks a language done
+	// but translations[language] is missing or empty.
+	ErrNoTranslation = errors.New("ai_summarizer: translation is empty")
+
 	// ErrObjectNotFound is returned when the tender.json object does not
 	// exist in the MinIO bucket (HTTP 404 / NoSuchKey).
 	ErrObjectNotFound = errors.New("ai_summarizer: tender.json not found in storage")

pkg/ai_summarizer/storage.go

@@ -295,9 +295,46 @@ func (s *StorageClient) GetSummaryFromStorage(ctx context.Context, contractFolde
 	return s.getSummaryFromObjectKey(ctx, prefix+"tender.json", contractFolderID, noticePublicationID)
 }
 
+// GetTranslationFromStorage reads tender.json and returns the translation for a language
+// when translation_status.done includes that language.
+func (s *StorageClient) GetTranslationFromStorage(ctx context.Context, contractFolderID, noticePublicationID, language string) (StoredTranslation, error) {
+	if strings.TrimSpace(contractFolderID) == "" {
+		return StoredTranslation{}, fmt.Errorf("ai_summarizer: contractFolderID is required")
+	}
+	if strings.TrimSpace(noticePublicationID) == "" {
+		return StoredTranslation{}, fmt.Errorf("ai_summarizer: noticePublicationID is required")
+	}
+	if strings.TrimSpace(language) == "" {
+		return StoredTranslation{}, fmt.Errorf("ai_summarizer: language is required")
+	}
+
+	prefix, err := s.resolveNoticeStoragePrefix(ctx, contractFolderID, noticePublicationID)
+	if err != nil {
+		return StoredTranslation{}, err
+	}
+	return s.getTranslationFromObjectKey(ctx, prefix+"tender.json", language)
+}
+
+// getTranslationFromObjectKey reads tender.json at objectKey and returns translation for language.
+func (s *StorageClient) getTranslationFromObjectKey(ctx context.Context, objectKey, language string) (StoredTranslation, error) {
+	tenderJSON, err := s.readTenderJSONAtKey(ctx, objectKey)
+	if err != nil {
+		return StoredTranslation{}, err
+	}
+
+	if !languageInDone(tenderJSON.translationsDone(), language) {
+		return StoredTranslation{}, ErrTranslationNotReady
+	}
+	entry, ok := tenderJSON.translationForLanguage(language)
+	if !ok {
+		return StoredTranslation{}, ErrNoTranslation
+	}
+	return entry, nil
+}
+
 // getSummaryFromObjectKey reads tender.json at objectKey and returns overall_summary when ready.
 // contractFolderID and noticePublicationID are used for logging only (may be empty when unknown).
-func (s *StorageClient) getSummaryFromObjectKey(ctx context.Context, objectKey, contractFolderID, noticePublicationID string) (string, error) {
+func (s *StorageClient) readTenderJSONAtKey(ctx context.Context, objectKey string) (*TenderJSON, error) {
 	object, err := s.client.GetObject(ctx, s.config.MinioBucket, objectKey, minio.GetObjectOptions{})
 	if err != nil {
 		if isMinioNotFound(err) {
@@ -305,13 +342,13 @@ func (s *StorageClient) getSummaryFromObjectKey(ctx context.Context, objectKey,
 				"bucket":     s.config.MinioBucket,
 				"object_key": objectKey,
 			})
-			return "", ErrObjectNotFound
+			return nil, ErrObjectNotFound
 		}
 		var minioErr minio.ErrorResponse
 		if errors.As(err, &minioErr) && minioErr.StatusCode == http.StatusForbidden {
-			return "", fmt.Errorf("ai_summarizer: access denied to bucket %s: %w", s.config.MinioBucket, err)
+			return nil, fmt.Errorf("ai_summarizer: access denied to bucket %s: %w", s.config.MinioBucket, err)
 		}
-		return "", fmt.Errorf("ai_summarizer: failed to get object: %w", err)
+		return nil, fmt.Errorf("ai_summarizer: failed to get object: %w", err)
 	}
 	defer object.Close()
 
@@ -322,14 +359,22 @@ func (s *StorageClient) getSummaryFromObjectKey(ctx context.Context, objectKey,
 				"bucket":     s.config.MinioBucket,
 				"object_key": objectKey,
 			})
-			return "", ErrObjectNotFound
+			return nil, ErrObjectNotFound
 		}
-		return "", fmt.Errorf("ai_summarizer: failed to read tender.json: %w", err)
+		return nil, fmt.Errorf("ai_summarizer: failed to read tender.json: %w", err)
 	}
 
 	var tenderJSON TenderJSON
 	if err := json.Unmarshal(data, &tenderJSON); err != nil {
-		return "", fmt.Errorf("ai_summarizer: failed to parse tender.json: %w", err)
+		return nil, fmt.Errorf("ai_summarizer: failed to parse tender.json: %w", err)
+	}
+	return &tenderJSON, nil
+}
+
+func (s *StorageClient) getSummaryFromObjectKey(ctx context.Context, objectKey, contractFolderID, noticePublicationID string) (string, error) {
+	tenderJSON, err := s.readTenderJSONAtKey(ctx, objectKey)
+	if err != nil {
+		return "", err
 	}
 
 	done, overall := tenderJSON.resolved()
@@ -368,32 +413,12 @@ func (s *StorageClient) IsSummaryReady(ctx context.Context, contractFolderID, no
 	}
 
 	objectPath := prefix + "tender.json"
-	object, err := s.client.GetObject(ctx, s.config.MinioBucket, objectPath, minio.GetObjectOptions{})
+	tenderJSON, err := s.readTenderJSONAtKey(ctx, objectPath)
 	if err != nil {
-		if isMinioNotFound(err) {
+		if errors.Is(err, ErrObjectNotFound) {
 			return false, nil
 		}
-		return false, fmt.Errorf("ai_summarizer: failed to check summary readiness: %w", err)
-	}
-
-	data, readErr := io.ReadAll(object)
-	closeErr := object.Close()
-	if readErr != nil {
-		if isMinioNotFound(readErr) {
-			return false, nil
-		}
-		return false, fmt.Errorf("ai_summarizer: failed to read tender.json: %w", readErr)
-	}
-		if closeErr != nil {
-			s.logger.Warn("Failed to close tender.json object after readiness check", map[string]interface{}{
-				"object_key": objectPath,
-				"error":      closeErr.Error(),
-			})
-		}
-
-	var tenderJSON TenderJSON
-	if err := json.Unmarshal(data, &tenderJSON); err != nil {
-		return false, fmt.Errorf("ai_summarizer: failed to parse tender.json: %w", err)
+		return false, err
 	}
 
 	done, _ := tenderJSON.resolved()