fix: match padded stock names in security searches

internal/repository/market.go

@@ -7,6 +7,7 @@ import (
 	"git.sundynix.cn/Blizzard/Veyra/internal/model"
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5/pgxpool"
+	"strings"
 	"time"
 )
 
@@ -14,7 +15,10 @@ type MarketRepository struct{ pool *pgxpool.Pool }
 
 func NewMarketRepository(pool *pgxpool.Pool) *MarketRepository { return &MarketRepository{pool} }
 func (r *MarketRepository) List(ctx context.Context, query string) ([]model.Instrument, error) {
-	rows, e := r.pool.Query(ctx, `SELECT id,symbol,exchange,name,price_cents,observed_at,received_at,source_id,source_version FROM veyra_instrument WHERE symbol LIKE $1 OR name LIKE $1 ORDER BY (price_cents>0) DESC,symbol LIMIT 100`, "%"+query+"%")
+	// Vendors pad some short names with whitespace (for example "诺 普 信").
+	// Normalize only for matching; preserve the supplied name in stored data.
+	pattern := "%" + strings.NewReplacer(`\`, `\\`, "%", `\%`, "_", `\_`).Replace(query) + "%"
+	rows, e := r.pool.Query(ctx, `SELECT id,symbol,exchange,name,price_cents,observed_at,received_at,source_id,source_version FROM veyra_instrument WHERE symbol LIKE regexp_replace($1,'[[:space:]　]+','','g') OR regexp_replace(name,'[[:space:]　]+','','g') LIKE regexp_replace($1,'[[:space:]　]+','','g') ORDER BY (price_cents>0) DESC,symbol LIMIT 100`, pattern)
 	if e != nil {
 		return nil, mapError(e)
 	}