Chore: remove old rag

8 files changed, 101 insertions, 393 deletions

diff --git a/bot.go b/bot.go
index a5d16e1..537df0c 100644
--- a/bot.go
+++ b/bot.go
@@ -9,7 +9,7 @@ import (
 	"gf-lt/config"
 	"gf-lt/extra"
 	"gf-lt/models"
-	"gf-lt/rag_new"
+	"gf-lt/rag"
 	"gf-lt/storage"
 	"io"
 	"log/slog"
@@ -41,7 +41,7 @@ var (
 	defaultStarter      = []models.RoleMsg{}
 	defaultStarterBytes = []byte{}
 	interruptResp       = false
-	ragger              *rag_new.RAG
+	ragger              *rag.RAG
 	chunkParser         ChunkParser
 	lastToolCall        *models.FuncCall
 	//nolint:unused // TTS_ENABLED conditionally uses this
@@ -277,13 +277,13 @@ func chatRagUse(qText string) (string, error) {
 			logger.Error("failed to get embs", "error", err, "index", i, "question", q)
 			continue
 		}
-		
+
 		// Create EmbeddingResp struct for the search
 		embeddingResp := &models.EmbeddingResp{
 			Embedding: emb,
 			Index:     0, // Not used in search but required for the struct
 		}
-		
+
 		vecs, err := ragger.SearchEmb(embeddingResp)
 		if err != nil {
 			logger.Error("failed to query embs", "error", err, "index", i, "question", q)
@@ -571,7 +571,7 @@ func init() {
 	if store == nil {
 		os.Exit(1)
 	}
-	ragger = rag_new.New(logger, store, cfg)
+	ragger = rag.New(logger, store, cfg)
 	// https://github.com/coreydaley/ggerganov-llama.cpp/blob/master/examples/server/README.md
 	// load all chats in memory
 	if _, err := loadHistoryChats(); err != nil {
diff --git a/rag_new/embedder.go b/rag/embedder.go
index 27b975a..1804019 100644
--- a/rag_new/embedder.go
+++ b/rag/embedder.go
@@ -1,10 +1,10 @@
-package rag_new
+package rag
 
 import (
 	"bytes"
-	"gf-lt/config"
 	"encoding/json"
 	"fmt"
+	"gf-lt/config"
 	"log/slog"
 	"net/http"
 )
@@ -17,9 +17,9 @@ type Embedder interface {
 
 // APIEmbedder implements embedder using an API (like Hugging Face, OpenAI, etc.)
 type APIEmbedder struct {
-	logger  *slog.Logger
-	client  *http.Client
-	cfg     *config.Config
+	logger *slog.Logger
+	client *http.Client
+	cfg    *config.Config
 }
 
 func NewAPIEmbedder(l *slog.Logger, cfg *config.Config) *APIEmbedder {
@@ -44,11 +44,11 @@ func (a *APIEmbedder) Embed(text []string) ([][]float32, error) {
 		a.logger.Error("failed to create new req", "err", err.Error())
 		return nil, err
 	}
-	
+
 	if a.cfg.HFToken != "" {
 		req.Header.Add("Authorization", "Bearer "+a.cfg.HFToken)
 	}
-	
+
 	resp, err := a.client.Do(req)
 	if err != nil {
 		a.logger.Error("failed to embed text", "err", err.Error())
@@ -95,4 +95,5 @@ func (a *APIEmbedder) EmbedSingle(text string) ([]float32, error) {
 // 3. Converting text to embeddings without external API calls
 //
 // For now, we'll focus on the API implementation which is already working in the current system,
-// and can be extended later when we have ONNX runtime integration
\ No newline at end of file
+// and can be extended later when we have ONNX runtime integration
+
diff --git a/rag/main.go b/rag/main.go
deleted file mode 100644
index b7e0c00..0000000
--- a/rag/main.go
+++ /dev/null
@@ -1,265 +0,0 @@
-package rag
-
-import (
-	"bytes"
-	"gf-lt/config"
-	"gf-lt/models"
-	"gf-lt/storage"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"log/slog"
-	"net/http"
-	"os"
-	"path"
-	"strings"
-	"sync"
-
-	"github.com/neurosnap/sentences/english"
-)
-
-var (
-	LongJobStatusCh = make(chan string, 1)
-	// messages
-	FinishedRAGStatus   = "finished loading RAG file; press Enter"
-	LoadedFileRAGStatus = "loaded file"
-	ErrRAGStatus        = "some error occured; failed to transfer data to vector db"
-)
-
-type RAG struct {
-	logger *slog.Logger
-	store  storage.FullRepo
-	cfg    *config.Config
-}
-
-func New(l *slog.Logger, s storage.FullRepo, cfg *config.Config) *RAG {
-	return &RAG{
-		logger: l,
-		store:  s,
-		cfg:    cfg,
-	}
-}
-
-func wordCounter(sentence string) int {
-	return len(strings.Split(sentence, " "))
-}
-
-func (r *RAG) LoadRAG(fpath string) error {
-	data, err := os.ReadFile(fpath)
-	if err != nil {
-		return err
-	}
-	r.logger.Debug("rag: loaded file", "fp", fpath)
-	LongJobStatusCh <- LoadedFileRAGStatus
-	fileText := string(data)
-	tokenizer, err := english.NewSentenceTokenizer(nil)
-	if err != nil {
-		return err
-	}
-	sentences := tokenizer.Tokenize(fileText)
-	sents := make([]string, len(sentences))
-	for i, s := range sentences {
-		sents[i] = s.Text
-	}
-	var (
-		maxChSize = 1000
-		left      = 0
-		right     = r.cfg.RAGBatchSize
-		batchCh   = make(chan map[int][]string, maxChSize)
-		vectorCh  = make(chan []models.VectorRow, maxChSize)
-		errCh     = make(chan error, 1)
-		doneCh    = make(chan bool, 1)
-		lock      = new(sync.Mutex)
-	)
-	defer close(doneCh)
-	defer close(errCh)
-	defer close(batchCh)
-	// group sentences
-	paragraphs := []string{}
-	par := strings.Builder{}
-	for i := 0; i < len(sents); i++ {
-		par.WriteString(sents[i])
-		if wordCounter(par.String()) > int(r.cfg.RAGWordLimit) {
-			paragraphs = append(paragraphs, par.String())
-			par.Reset()
-		}
-	}
-	if len(paragraphs) < int(r.cfg.RAGBatchSize) {
-		r.cfg.RAGBatchSize = len(paragraphs)
-	}
-	// fill input channel
-	ctn := 0
-	for {
-		if int(right) > len(paragraphs) {
-			batchCh <- map[int][]string{left: paragraphs[left:]}
-			break
-		}
-		batchCh <- map[int][]string{left: paragraphs[left:right]}
-		left, right = right, right+r.cfg.RAGBatchSize
-		ctn++
-	}
-	finishedBatchesMsg := fmt.Sprintf("finished batching batches#: %d; paragraphs: %d; sentences: %d\n", len(batchCh), len(paragraphs), len(sents))
-	r.logger.Debug(finishedBatchesMsg)
-	LongJobStatusCh <- finishedBatchesMsg
-	for w := 0; w < int(r.cfg.RAGWorkers); w++ {
-		go r.batchToVectorHFAsync(lock, w, batchCh, vectorCh, errCh, doneCh, path.Base(fpath))
-	}
-	// wait for emb to be done
-	<-doneCh
-	// write to db
-	return r.writeVectors(vectorCh)
-}
-
-func (r *RAG) writeVectors(vectorCh chan []models.VectorRow) error {
-	for {
-		for batch := range vectorCh {
-			for _, vector := range batch {
-				if err := r.store.WriteVector(&vector); err != nil {
-					r.logger.Error("failed to write vector", "error", err, "slug", vector.Slug)
-					LongJobStatusCh <- ErrRAGStatus
-					continue // a duplicate is not critical
-					// return err
-				}
-			}
-			r.logger.Debug("wrote batch to db", "size", len(batch), "vector_chan_len", len(vectorCh))
-			if len(vectorCh) == 0 {
-				r.logger.Debug("finished writing vectors")
-				LongJobStatusCh <- FinishedRAGStatus
-				defer close(vectorCh)
-				return nil
-			}
-		}
-	}
-}
-
-func (r *RAG) batchToVectorHFAsync(lock *sync.Mutex, id int, inputCh <-chan map[int][]string,
-	vectorCh chan<- []models.VectorRow, errCh chan error, doneCh chan bool, filename string) {
-	for {
-		lock.Lock()
-		if len(inputCh) == 0 {
-			if len(doneCh) == 0 {
-				doneCh <- true
-			}
-			lock.Unlock()
-			return
-		}
-		select {
-		case linesMap := <-inputCh:
-			for leftI, v := range linesMap {
-				r.fecthEmbHF(v, errCh, vectorCh, fmt.Sprintf("%s_%d", filename, leftI), filename)
-			}
-			lock.Unlock()
-		case err := <-errCh:
-			r.logger.Error("got an error", "error", err)
-			lock.Unlock()
-			return
-		}
-		r.logger.Debug("to vector batches", "batches#", len(inputCh), "worker#", id)
-		LongJobStatusCh <- fmt.Sprintf("converted to vector; batches: %d, worker#: %d", len(inputCh), id)
-	}
-}
-
-func (r *RAG) fecthEmbHF(lines []string, errCh chan error, vectorCh chan<- []models.VectorRow, slug, filename string) {
-	payload, err := json.Marshal(
-		map[string]any{"inputs": lines, "options": map[string]bool{"wait_for_model": true}},
-	)
-	if err != nil {
-		r.logger.Error("failed to marshal payload", "err:", err.Error())
-		errCh <- err
-		return
-	}
-	// nolint
-	req, err := http.NewRequest("POST", r.cfg.EmbedURL, bytes.NewReader(payload))
-	if err != nil {
-		r.logger.Error("failed to create new req", "err:", err.Error())
-		errCh <- err
-		return
-	}
-	req.Header.Add("Authorization", "Bearer "+r.cfg.HFToken)
-	resp, err := http.DefaultClient.Do(req)
-	if err != nil {
-		r.logger.Error("failed to embedd line", "err:", err.Error())
-		errCh <- err
-		return
-	}
-	defer resp.Body.Close()
-	if resp.StatusCode != 200 {
-		r.logger.Error("non 200 resp", "code", resp.StatusCode)
-		return
-	}
-	emb := [][]float32{}
-	if err := json.NewDecoder(resp.Body).Decode(&emb); err != nil {
-		r.logger.Error("failed to embedd line", "err:", err.Error())
-		errCh <- err
-		return
-	}
-	if len(emb) == 0 {
-		r.logger.Error("empty emb")
-		err = errors.New("empty emb")
-		errCh <- err
-		return
-	}
-	vectors := make([]models.VectorRow, len(emb))
-	for i, e := range emb {
-		vector := models.VectorRow{
-			Embeddings: e,
-			RawText:    lines[i],
-			Slug:       fmt.Sprintf("%s_%d", slug, i),
-			FileName:   filename,
-		}
-		vectors[i] = vector
-	}
-	vectorCh <- vectors
-}
-
-func (r *RAG) LineToVector(line string) ([]float32, error) {
-	lines := []string{line}
-	payload, err := json.Marshal(
-		map[string]any{"inputs": lines, "options": map[string]bool{"wait_for_model": true}},
-	)
-	if err != nil {
-		r.logger.Error("failed to marshal payload", "err:", err.Error())
-		return nil, err
-	}
-	// nolint
-	req, err := http.NewRequest("POST", r.cfg.EmbedURL, bytes.NewReader(payload))
-	if err != nil {
-		r.logger.Error("failed to create new req", "err:", err.Error())
-		return nil, err
-	}
-	req.Header.Add("Authorization", "Bearer "+r.cfg.HFToken)
-	resp, err := http.DefaultClient.Do(req)
-	if err != nil {
-		r.logger.Error("failed to embedd line", "err:", err.Error())
-		return nil, err
-	}
-	defer resp.Body.Close()
-	if resp.StatusCode != 200 {
-		err = fmt.Errorf("non 200 resp; code: %v", resp.StatusCode)
-		r.logger.Error(err.Error())
-		return nil, err
-	}
-	emb := [][]float32{}
-	if err := json.NewDecoder(resp.Body).Decode(&emb); err != nil {
-		r.logger.Error("failed to embedd line", "err:", err.Error())
-		return nil, err
-	}
-	if len(emb) == 0 || len(emb[0]) == 0 {
-		r.logger.Error("empty emb")
-		err = errors.New("empty emb")
-		return nil, err
-	}
-	return emb[0], nil
-}
-
-func (r *RAG) SearchEmb(emb *models.EmbeddingResp) ([]models.VectorRow, error) {
-	return r.store.SearchClosest(emb.Embedding)
-}
-
-func (r *RAG) ListLoaded() ([]string, error) {
-	return r.store.ListFiles()
-}
-
-func (r *RAG) RemoveFile(filename string) error {
-	return r.store.RemoveEmbByFileName(filename)
-}
diff --git a/rag_new/rag.go b/rag/rag.go
index d012087..c05d38a 100644
--- a/rag_new/rag.go
+++ b/rag/rag.go
@@ -1,10 +1,10 @@
-package rag_new
+package rag
 
 import (
+	"fmt"
 	"gf-lt/config"
 	"gf-lt/models"
 	"gf-lt/storage"
-	"fmt"
 	"log/slog"
 	"os"
 	"path"
@@ -16,37 +16,37 @@ import (
 
 var (
 	// Status messages for TUI integration
-	LongJobStatusCh = make(chan string, 10) // Increased buffer size to prevent blocking
+	LongJobStatusCh     = make(chan string, 10) // Increased buffer size to prevent blocking
 	FinishedRAGStatus   = "finished loading RAG file; press Enter"
 	LoadedFileRAGStatus = "loaded file"
 	ErrRAGStatus        = "some error occurred; failed to transfer data to vector db"
 )
 
 type RAG struct {
-	logger *slog.Logger
-	store  storage.FullRepo
-	cfg    *config.Config
+	logger   *slog.Logger
+	store    storage.FullRepo
+	cfg      *config.Config
 	embedder Embedder
-	storage *VectorStorage
+	storage  *VectorStorage
 }
 
 func New(l *slog.Logger, s storage.FullRepo, cfg *config.Config) *RAG {
 	// Initialize with API embedder by default, could be configurable later
 	embedder := NewAPIEmbedder(l, cfg)
-	
+
 	rag := &RAG{
-		logger: l,
-		store:  s,
-		cfg:    cfg,
+		logger:   l,
+		store:    s,
+		cfg:      cfg,
 		embedder: embedder,
-		storage: NewVectorStorage(l, s),
+		storage:  NewVectorStorage(l, s),
 	}
-	
+
 	// Create the necessary tables
 	if err := rag.storage.CreateTables(); err != nil {
 		l.Error("failed to create vector tables", "error", err)
 	}
-	
+
 	return rag
 }
 
@@ -61,7 +61,7 @@ func (r *RAG) LoadRAG(fpath string) error {
 	}
 	r.logger.Debug("rag: loaded file", "fp", fpath)
 	LongJobStatusCh <- LoadedFileRAGStatus
-	
+
 	fileText := string(data)
 	tokenizer, err := english.NewSentenceTokenizer(nil)
 	if err != nil {
@@ -72,7 +72,7 @@ func (r *RAG) LoadRAG(fpath string) error {
 	for i, s := range sentences {
 		sents[i] = s.Text
 	}
-	
+
 	// Group sentences into paragraphs based on word limit
 	paragraphs := []string{}
 	par := strings.Builder{}
@@ -84,7 +84,7 @@ func (r *RAG) LoadRAG(fpath string) error {
 			}
 			par.WriteString(sents[i])
 		}
-		
+
 		if wordCounter(par.String()) > int(r.cfg.RAGWordLimit) {
 			paragraph := strings.TrimSpace(par.String())
 			if paragraph != "" {
@@ -93,7 +93,7 @@ func (r *RAG) LoadRAG(fpath string) error {
 			par.Reset()
 		}
 	}
-	
+
 	// Handle any remaining content in the paragraph buffer
 	if par.Len() > 0 {
 		paragraph := strings.TrimSpace(par.String())
@@ -101,16 +101,16 @@ func (r *RAG) LoadRAG(fpath string) error {
 			paragraphs = append(paragraphs, paragraph)
 		}
 	}
-	
+
 	// Adjust batch size if needed
 	if len(paragraphs) < int(r.cfg.RAGBatchSize) && len(paragraphs) > 0 {
 		r.cfg.RAGBatchSize = len(paragraphs)
 	}
-	
+
 	if len(paragraphs) == 0 {
 		return fmt.Errorf("no valid paragraphs found in file")
 	}
-	
+
 	var (
 		maxChSize = 100
 		left      = 0
@@ -121,11 +121,11 @@ func (r *RAG) LoadRAG(fpath string) error {
 		doneCh    = make(chan bool, 1)
 		lock      = new(sync.Mutex)
 	)
-	
+
 	defer close(doneCh)
 	defer close(errCh)
 	defer close(batchCh)
-	
+
 	// Fill input channel with batches
 	ctn := 0
 	totalParagraphs := len(paragraphs)
@@ -138,19 +138,19 @@ func (r *RAG) LoadRAG(fpath string) error {
 		left, right = right, right+r.cfg.RAGBatchSize
 		ctn++
 	}
-	
+
 	finishedBatchesMsg := fmt.Sprintf("finished batching batches#: %d; paragraphs: %d; sentences: %d\n", ctn+1, len(paragraphs), len(sents))
 	r.logger.Debug(finishedBatchesMsg)
 	LongJobStatusCh <- finishedBatchesMsg
-	
+
 	// Start worker goroutines
 	for w := 0; w < int(r.cfg.RAGWorkers); w++ {
 		go r.batchToVectorAsync(lock, w, batchCh, vectorCh, errCh, doneCh, path.Base(fpath))
 	}
-	
+
 	// Wait for embedding to be done
 	<-doneCh
-	
+
 	// Write vectors to storage
 	return r.writeVectors(vectorCh)
 }
@@ -182,14 +182,14 @@ func (r *RAG) batchToVectorAsync(lock *sync.Mutex, id int, inputCh <-chan map[in
 			doneCh <- true
 		}
 	}()
-	
+
 	for {
 		lock.Lock()
 		if len(inputCh) == 0 {
 			lock.Unlock()
 			return
 		}
-		
+
 		select {
 		case linesMap := <-inputCh:
 			for leftI, lines := range linesMap {
@@ -207,7 +207,7 @@ func (r *RAG) batchToVectorAsync(lock *sync.Mutex, id int, inputCh <-chan map[in
 		default:
 			lock.Unlock()
 		}
-		
+
 		r.logger.Debug("processed batch", "batches#", len(inputCh), "worker#", id)
 		LongJobStatusCh <- fmt.Sprintf("converted to vector; batches: %d, worker#: %d", len(inputCh), id)
 	}
@@ -220,14 +220,14 @@ func (r *RAG) fetchEmb(lines []string, errCh chan error, vectorCh chan<- []model
 		errCh <- err
 		return err
 	}
-	
+
 	if len(embeddings) == 0 {
 		err := fmt.Errorf("no embeddings returned")
 		r.logger.Error("empty embeddings")
 		errCh <- err
 		return err
 	}
-	
+
 	vectors := make([]models.VectorRow, len(embeddings))
 	for i, emb := range embeddings {
 		vector := models.VectorRow{
@@ -238,7 +238,7 @@ func (r *RAG) fetchEmb(lines []string, errCh chan error, vectorCh chan<- []model
 		}
 		vectors[i] = vector
 	}
-	
+
 	vectorCh <- vectors
 	return nil
 }
@@ -257,4 +257,5 @@ func (r *RAG) ListLoaded() ([]string, error) {
 
 func (r *RAG) RemoveFile(filename string) error {
 	return r.storage.RemoveEmbByFileName(filename)
-}
\ No newline at end of file
+}
+
diff --git a/rag_new/storage.go b/rag/storage.go
index 2ab56fb..26ca0e3 100644
--- a/rag_new/storage.go
+++ b/rag/storage.go
@@ -1,10 +1,10 @@
-package rag_new
+package rag
 
 import (
-	"gf-lt/models"
-	"gf-lt/storage"
 	"encoding/binary"
 	"fmt"
+	"gf-lt/models"
+	"gf-lt/storage"
 	"log/slog"
 	"sort"
 	"strings"
@@ -23,7 +23,7 @@ type VectorStorage struct {
 func NewVectorStorage(logger *slog.Logger, store storage.FullRepo) *VectorStorage {
 	return &VectorStorage{
 		logger: logger,
-		sqlxDB: store.DB(),  // Use the new DB() method
+		sqlxDB: store.DB(), // Use the new DB() method
 		store:  store,
 	}
 }
@@ -53,7 +53,7 @@ func (vs *VectorStorage) CreateTables() error {
 		`CREATE INDEX IF NOT EXISTS idx_embeddings_5120_filename ON embeddings_5120(filename)`,
 		`CREATE INDEX IF NOT EXISTS idx_embeddings_384_slug ON embeddings_384(slug)`,
 		`CREATE INDEX IF NOT EXISTS idx_embeddings_5120_slug ON embeddings_5120(slug)`,
-		
+
 		// Additional indexes that may help with searches
 		`CREATE INDEX IF NOT EXISTS idx_embeddings_384_created_at ON embeddings_384(created_at)`,
 		`CREATE INDEX IF NOT EXISTS idx_embeddings_5120_created_at ON embeddings_5120(created_at)`,
@@ -140,7 +140,7 @@ func (vs *VectorStorage) SearchClosest(query []float32) ([]models.VectorRow, err
 	// For better performance, instead of loading all vectors at once,
 	// we'll implement batching and potentially add L2 distance-based pre-filtering
 	// since cosine similarity is related to L2 distance for normalized vectors
-	
+
 	querySQL := fmt.Sprintf("SELECT embeddings, slug, raw_text, filename FROM %s", tableName)
 	rows, err := vs.sqlxDB.Query(querySQL)
 	if err != nil {
@@ -153,27 +153,27 @@ func (vs *VectorStorage) SearchClosest(query []float32) ([]models.VectorRow, err
 		vector   models.VectorRow
 		distance float32
 	}
-	
+
 	var topResults []SearchResult
-	
+
 	// Process vectors one by one to avoid loading everything into memory
 	for rows.Next() {
 		var (
-			embeddingsBlob []byte
+			embeddingsBlob          []byte
 			slug, rawText, fileName string
 		)
-		
+
 		if err := rows.Scan(&embeddingsBlob, &slug, &rawText, &fileName); err != nil {
 			vs.logger.Error("failed to scan row", "error", err)
 			continue
 		}
-		
+
 		storedEmbeddings := DeserializeVector(embeddingsBlob)
-		
+
 		// Calculate cosine similarity (returns value between -1 and 1, where 1 is most similar)
 		similarity := cosineSimilarity(query, storedEmbeddings)
 		distance := 1 - similarity // Convert to distance where 0 is most similar
-		
+
 		result := SearchResult{
 			vector: models.VectorRow{
 				Embeddings: storedEmbeddings,
@@ -183,34 +183,34 @@ func (vs *VectorStorage) SearchClosest(query []float32) ([]models.VectorRow, err
 			},
 			distance: distance,
 		}
-		
+
 		// Add to top results and maintain only top 3
 		topResults = append(topResults, result)
-		
+
 		// Sort and keep only top 3
 		sort.Slice(topResults, func(i, j int) bool {
 			return topResults[i].distance < topResults[j].distance
 		})
-		
+
 		if len(topResults) > 3 {
 			topResults = topResults[:3] // Keep only closest 3
 		}
 	}
-	
+
 	// Convert back to VectorRow slice
 	var results []models.VectorRow
 	for _, result := range topResults {
 		result.vector.Distance = result.distance
 		results = append(results, result.vector)
 	}
-	
+
 	return results, nil
 }
 
 // ListFiles returns a list of all loaded files
 func (vs *VectorStorage) ListFiles() ([]string, error) {
 	var fileLists [][]string
-	
+
 	// Query both tables and combine results
 	for _, table := range []string{"embeddings_384", "embeddings_5120"} {
 		query := fmt.Sprintf("SELECT DISTINCT filename FROM %s", table)
@@ -219,7 +219,7 @@ func (vs *VectorStorage) ListFiles() ([]string, error) {
 			// Continue if one table doesn't exist
 			continue
 		}
-		
+
 		var files []string
 		for rows.Next() {
 			var filename string
@@ -229,10 +229,10 @@ func (vs *VectorStorage) ListFiles() ([]string, error) {
 			files = append(files, filename)
 		}
 		rows.Close()
-		
+
 		fileLists = append(fileLists, files)
 	}
-	
+
 	// Combine and deduplicate
 	fileSet := make(map[string]bool)
 	var allFiles []string
@@ -244,25 +244,25 @@ func (vs *VectorStorage) ListFiles() ([]string, error) {
 			}
 		}
 	}
-	
+
 	return allFiles, nil
 }
 
 // RemoveEmbByFileName removes all embeddings associated with a specific filename
 func (vs *VectorStorage) RemoveEmbByFileName(filename string) error {
 	var errors []string
-	
+
 	for _, table := range []string{"embeddings_384", "embeddings_5120"} {
 		query := fmt.Sprintf("DELETE FROM %s WHERE filename = ?", table)
 		if _, err := vs.sqlxDB.Exec(query, filename); err != nil {
 			errors = append(errors, err.Error())
 		}
 	}
-	
+
 	if len(errors) > 0 {
 		return fmt.Errorf("errors occurred: %s", strings.Join(errors, "; "))
 	}
-	
+
 	return nil
 }
 
@@ -297,4 +297,5 @@ func sqrt(f float32) float32 {
 		guess = (guess + f/guess) / 2
 	}
 	return guess
-}
\ No newline at end of file
+}
+
diff --git a/storage/migrate.go b/storage/migrate.go
index b05dddc..decfe9c 100644
--- a/storage/migrate.go
+++ b/storage/migrate.go
@@ -5,8 +5,6 @@ import (
 	"fmt"
 	"io/fs"
 	"strings"
-
-	_ "github.com/asg017/sqlite-vec-go-bindings/ncruces"
 )
 
 //go:embed migrations/*
@@ -53,8 +51,8 @@ func (p *ProviderSQL) executeMigration(migrationsDir fs.FS, fileName string) err
 }
 
 func (p *ProviderSQL) executeSQL(sqlContent []byte) error {
-	// Connect to the database (example using a simple connection)
-	err := p.s3Conn.Exec(string(sqlContent))
+	// Execute the migration content using standard database connection
+	_, err := p.db.Exec(string(sqlContent))
 	if err != nil {
 		return fmt.Errorf("failed to execute SQL: %w", err)
 	}
diff --git a/storage/storage.go b/storage/storage.go
index 0416884..a092f8d 100644
--- a/storage/storage.go
+++ b/storage/storage.go
@@ -6,7 +6,6 @@ import (
 
 	_ "github.com/glebarez/go-sqlite"
 	"github.com/jmoiron/sqlx"
-	"github.com/ncruces/go-sqlite3"
 )
 
 type FullRepo interface {
@@ -28,7 +27,6 @@ type ChatHistory interface {
 
 type ProviderSQL struct {
 	db     *sqlx.DB
-	s3Conn *sqlite3.Conn
 	logger *slog.Logger
 }
 
@@ -97,7 +95,7 @@ func (p ProviderSQL) ChatGetMaxID() (uint32, error) {
 	return id, err
 }
 
-// opens two connections
+// opens database connection
 func NewProviderSQL(dbPath string, logger *slog.Logger) FullRepo {
 	db, err := sqlx.Open("sqlite", dbPath)
 	if err != nil {
@@ -105,11 +103,7 @@ func NewProviderSQL(dbPath string, logger *slog.Logger) FullRepo {
 		return nil
 	}
 	p := ProviderSQL{db: db, logger: logger}
-	p.s3Conn, err = sqlite3.Open(dbPath)
-	if err != nil {
-		logger.Error("failed to open vecdb connection", "error", err)
-		return nil
-	}
+
 	p.Migrate()
 	return p
 }
diff --git a/storage/vector.go b/storage/vector.go
index b3e5654..6958634 100644
--- a/storage/vector.go
+++ b/storage/vector.go
@@ -66,35 +66,13 @@ func (p ProviderSQL) WriteVector(row *models.VectorRow) error {
 	if err != nil {
 		return err
 	}
-	stmt, _, err := p.s3Conn.Prepare(
-		fmt.Sprintf("INSERT INTO %s(embedding, slug, raw_text, filename) VALUES (?, ?, ?, ?)", tableName))
-	if err != nil {
-		p.logger.Error("failed to prep a stmt", "error", err)
-		return err
-	}
-	defer stmt.Close()
+	
 	serializedEmbeddings := SerializeVector(row.Embeddings)
-	if err := stmt.BindBlob(1, serializedEmbeddings); err != nil {
-		p.logger.Error("failed to bind", "error", err)
-		return err
-	}
-	if err := stmt.BindText(2, row.Slug); err != nil {
-		p.logger.Error("failed to bind", "error", err)
-		return err
-	}
-	if err := stmt.BindText(3, row.RawText); err != nil {
-		p.logger.Error("failed to bind", "error", err)
-		return err
-	}
-	if err := stmt.BindText(4, row.FileName); err != nil {
-		p.logger.Error("failed to bind", "error", err)
-		return err
-	}
-	err = stmt.Exec()
-	if err != nil {
-		return err
-	}
-	return nil
+	
+	query := fmt.Sprintf("INSERT INTO %s(embedding, slug, raw_text, filename) VALUES (?, ?, ?, ?)", tableName)
+	_, err = p.db.Exec(query, serializedEmbeddings, row.Slug, row.RawText, row.FileName)
+	
+	return err
 }
 
 func decodeUnsafe(bs []byte) []float32 {
@@ -110,30 +88,30 @@ func (p ProviderSQL) SearchClosest(q []float32) ([]models.VectorRow, error) {
 
 func (p ProviderSQL) ListFiles() ([]string, error) {
 	q := fmt.Sprintf("SELECT filename FROM %s GROUP BY filename", vecTableName384)
-	stmt, _, err := p.s3Conn.Prepare(q)
+	rows, err := p.db.Query(q)
 	if err != nil {
 		return nil, err
 	}
-	defer stmt.Close()
+	defer rows.Close()
+	
 	resp := []string{}
-	for stmt.Step() {
-		resp = append(resp, stmt.ColumnText(0))
+	for rows.Next() {
+		var filename string
+		if err := rows.Scan(&filename); err != nil {
+			return nil, err
+		}
+		resp = append(resp, filename)
 	}
-	if err := stmt.Err(); err != nil {
+	
+	if err := rows.Err(); err != nil {
 		return nil, err
 	}
+	
 	return resp, nil
 }
 
 func (p ProviderSQL) RemoveEmbByFileName(filename string) error {
 	q := fmt.Sprintf("DELETE FROM %s WHERE filename = ?", vecTableName384)
-	stmt, _, err := p.s3Conn.Prepare(q)
-	if err != nil {
-		return err
-	}
-	defer stmt.Close()
-	if err := stmt.BindText(1, filename); err != nil {
-		return err
-	}
-	return stmt.Exec()
+	_, err := p.db.Exec(q, filename)
+	return err
 }