diff --git a/scripts/audit_elsa_en.py b/scripts/audit_elsa_en.py
new file mode 100644
index 0000000..ea3ad78
--- /dev/null
+++ b/scripts/audit_elsa_en.py
@@ -0,0 +1,117 @@
+#!/usr/bin/env python3
+"""Полный аудит Elsa: WI, hs2, www — какие типы, что извлекаемо."""
+import os, struct, re
+
+elsa = os.path.expanduser("~/nubes/data/elsa")
+
+# 1. WI файлы
+print("=" * 60)
+print("1. WI-файлы (OLE2 compound documents)")
+print("=" * 60)
+
+docs_rl = os.path.join(elsa, "docs", "rl")
+wi_files = [f for f in os.listdir(docs_rl) if f.endswith(".wi")]
+wi_en = [f for f in wi_files if "en-GB" in f]
+print(f"Total WI: {len(wi_files)}, en-GB: {len(wi_en)}")
+
+if wi_en:
+    path = os.path.join(docs_rl, wi_en[0])
+    with open(path, "rb") as f:
+        data = f.read(min(10000, os.path.getsize(path)))
+    
+    print(f"\nSample: {wi_en[0]}")
+    print(f"Size: {len(data)} bytes (shown), OLE2: {data[:4] == b'\xd0\xcf\x11\xe0'}")
+    print(f"Has <?xml: {b'<?xml' in data}")
+    print(f"Has <html: {b'<html' in data}")
+    
+    # Search deeper
+    for tag in [b"<?xml", b"<html", b"<body", b"<p>", b"<title"]:
+        pos = data.find(tag)
+        if pos >= 0:
+            ctx = data[pos:pos+80]
+            readable = ctx.decode("utf-16-le", errors="replace")
+            print(f"  Found '{tag.decode()}' at offset {pos}: {readable[:80]}")
+
+
+# 2. hs2 en-GB
+print("\n" + "=" * 60)
+print("2. hs2/V/en-GB/ — HTML контент")
+print("=" * 60)
+
+hs2_en = os.path.join(elsa, "docs", "hs2", "V", "en-GB")
+total_hs2 = 0
+samples = []
+for root, dirs, files in os.walk(hs2_en):
+    for f in files:
+        if f.endswith(".htm"):
+            total_hs2 += 1
+            if len(samples) < 3:
+                samples.append(os.path.join(root, f))
+
+print(f"Total HTM: {total_hs2}")
+
+for sp in samples:
+    with open(sp, "rb") as fh:
+        raw = fh.read(4096)
+        text = raw.decode("utf-16-le", errors="replace")
+        m = re.search(r"<title>(.*?)</title>", text, re.IGNORECASE)
+        title = m.group(1) if m else "(no title)"
+        body = re.sub(r"<[^>]+>", " ", text)[:200]
+        body = re.sub(r"\s+", " ", body).strip()
+        dir_name = sp.split("/")[-2]
+        print(f"  [{dir_name}] {title}")
+        print(f"    {body[:150]}")
+        print()
+
+# 3. www en-GB
+print("=" * 60)
+print("3. www/V/en-GB/ — навигация и контент")
+print("=" * 60)
+
+www_en = os.path.join(elsa, "docs", "www", "V", "en-GB")
+if os.path.exists(www_en):
+    items = os.listdir(www_en)
+    print(f"Items: {items}")
+    for item in items:
+        ipath = os.path.join(www_en, item)
+        if os.path.isfile(ipath) and item.endswith(".htm"):
+            print(f"  {item} — {os.path.getsize(ipath)} bytes")
+
+# 4. WI en-GB in other dirs
+print("\n" + "=" * 60)
+print("4. WI en-GB в других директориях")
+print("=" * 60)
+
+for subdir in ["igg", "au", "ki"]:
+    d = os.path.join(elsa, "docs", subdir)
+    if os.path.exists(d):
+        total = 0
+        en = 0
+        for f in os.listdir(d):
+            if f.endswith(".wi"):
+                total += 1
+                if "en-GB" in f:
+                    en += 1
+        print(f"  {subdir}: {total} WI total, {en} en-GB")
+
+# 5. Summary
+print("\n" + "=" * 60)
+print("ИТОГО: что можно извлечь en-GB")
+print("=" * 60)
+print("""
+MDB (уже парсено):
+  rldal.V.en-GB.mdb — 191k док-тов, иерархия ✅
+  ipsvrap.mdb — 2.5M строк, каталог запчастей ✅
+  + dbsvrfi, dbsvrfz — справочники авто (не тронуты)
+
+HTM (настоящие):
+  au/V/en-GB/ — 1295 HTM (UTF-16) — уже в elsa_jsonl ✅
+  hs2/V/en-GB/ — 4473 HTM (UTF-16) — НЕ ПАРСЕНЫ ❗
+  www/.../en-GB/ — 2538 HTM (ASCII) — НЕ ПАРСЕНЫ ❗
+  slp/V/en-GB/ — 10845 (x64 code) — МУСОР ❌
+
+WI (OLE2):
+  rl/ — 1716 en-GB WI-файлов — НЕ ПАРСЕНЫ ❗
+  igg/ — ? en-GB WI
+  au/ — ? en-GB WI
+""")
diff --git a/scripts/check_slp_en.py b/scripts/check_slp_en.py
new file mode 100644
index 0000000..b3bdc86
--- /dev/null
+++ b/scripts/check_slp_en.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""Проверить что за файлы в slp/V/en-GB/*.htm"""
+import zlib, re, os, struct
+
+path = "/home/naeel/nubes/data/elsa/docs/slp/V/en-GB/000502200001.htm"
+with open(path, "rb") as f:
+    raw = f.read()
+
+print(f"File size: {len(raw)} bytes")
+print(f"First 64 hex: {raw[:64].hex()}")
+
+# PE check
+if raw[:2] == b"MZ":
+    print(">>> It's a PE/EXE/DLL file!")
+elif raw[:2] == b"\x48\xc7":
+    print(">>> Starts with 48 c7 - could be x64 machine code!")
+
+# Look for ELF
+if raw[:4] == b"\x7fELF":
+    print(">>> It's an ELF binary!")
+
+# Try full zlib decompress at different offsets
+for offset in range(0, min(500, len(raw))):
+    if raw[offset] == 0x78 and raw[offset+1] in [0x01, 0x9c, 0xda]:
+        try:
+            decomp = zlib.decompress(raw[offset:])
+            print(f">>> zlib at offset {offset}: {len(decomp)} bytes decompressed")
+            # Try decode as UTF-16LE
+            text = decomp.decode("utf-16-le", errors="replace")
+            m = re.search(r"<title>(.*?)</title>", text, re.IGNORECASE)
+            if m:
+                print(f"    Title: {m.group(1)}")
+            body = re.sub(r"<[^>]+>", " ", text)[:500]
+            body = re.sub(r"\s+", " ", body).strip()
+            print(f"    Text: {body[:200]}")
+            break
+        except:
+            pass
+else:
+    print(">>> No zlib content found")
+
+# Also check ru-RU for comparison
+ru_path = "/home/naeel/nubes/data/elsa/docs/slp/V/ru-RU"
+if os.path.exists(ru_path):
+    ru_files = [f for f in os.listdir(ru_path) if f.endswith(".htm")]
+    if ru_files:
+        ru_file = os.path.join(ru_path, ru_files[0])
+        with open(ru_file, "rb") as f:
+            ru_raw = f.read(64)
+        print(f"\n>>> For comparison, ru-RU first 64 hex: {ru_raw.hex()}")
+        # Check encoding
+        import subprocess
+        result = subprocess.run(["file", ru_file], capture_output=True, text=True)
+        print(f"    file says: {result.stdout.strip()}")
diff --git a/scripts/parse_elsa_htm_en.py b/scripts/parse_elsa_htm_en.py
new file mode 100644
index 0000000..b71dbe8
--- /dev/null
+++ b/scripts/parse_elsa_htm_en.py
@@ -0,0 +1,124 @@
+#!/usr/bin/env python3
+"""Парсер en-GB HTM файлов ElsaWin: hs2 + www"""
+import os, re, json, sys
+from pathlib import Path
+
+def parse_htm_file(path):
+    """Парсить один HTM-файл в UTF-16LE."""
+    with open(path, "rb") as f:
+        raw = f.read()
+    
+    # Проверяем кодировку
+    if raw[:2] == b"\xff\xfe":
+        text = raw.decode("utf-16-le", errors="replace")
+    elif raw[:2] == b"\xfe\xff":
+        text = raw.decode("utf-16-be", errors="replace")
+    else:
+        text = raw.decode("ascii", errors="replace")
+    
+    # Title
+    m = re.search(r"<title>(.*?)</title>", text, re.IGNORECASE | re.DOTALL)
+    title = m.group(1).strip() if m else ""
+    
+    # Body text
+    body = re.sub(r"<script[^>]*>.*?</script>", " ", text, flags=re.IGNORECASE | re.DOTALL)
+    body = re.sub(r"<style[^>]*>.*?</style>", " ", body, flags=re.IGNORECASE | re.DOTALL)
+    body = re.sub(r"<[^>]+>", " ", body)
+    body = re.sub(r"&nbsp;", " ", body)
+    body = re.sub(r"&\w+;", " ", body)
+    body = re.sub(r"\s+", " ", body).strip()
+    
+    return {"title": title, "text": body}
+
+
+def main():
+    if len(sys.argv) < 3:
+        print(f"Usage: {sys.argv[0]} <elsa_docs_dir> <output_dir>")
+        sys.exit(1)
+    
+    elsa_docs = os.path.abspath(sys.argv[1])
+    out_dir = os.path.abspath(sys.argv[2])
+    os.makedirs(out_dir, exist_ok=True)
+    
+    en_gb_dirs = [
+        # hs2 — in nested structure: hs2/V/en-GB/src/XX/XXXXXX/master.htm
+        os.path.join(elsa_docs, "hs2", "V", "en-GB"),
+        # www — various paths under www/.../en-GB/
+    ]
+    
+    # Find all en-GB HTM
+    all_files = []
+    for root, dirs, files in os.walk(elsa_docs):
+        if "/en-GB/" in root and not "/slp/" in root:
+            for f in files:
+                if f.endswith(".htm") or f.endswith(".html"):
+                    all_files.append(os.path.join(root, f))
+    
+    # Skip already-known-malformed (slp — machine code, already excluded above)
+    # Only au, hs2, www, igg
+    good_files = [f for f in all_files if any(d in f for d in ["/www/", "/hs2/", "/au/"])]
+    
+    print(f"Found {len(good_files)} en-GB HTM files (excluding slp)")
+    
+    # Split by source
+    by_source = {}
+    for f in good_files:
+        if "/au/" in f:
+            src = "au"
+        elif "/hs2/" in f:
+            src = "hs2"
+        elif "/www/" in f:
+            src = "www"
+        else:
+            src = "other"
+        by_source.setdefault(src, []).append(f)
+    
+    for src, files in by_source.items():
+        print(f"  {src}: {len(files)} files")
+    
+    # Parse and save
+    total = 0
+    part_size = 5000
+    part_idx = 0
+    buf = []
+    out_file = None
+    
+    for src, files in by_source.items():
+        for fpath in sorted(files):
+            try:
+                doc = parse_htm_file(fpath)
+                rel = os.path.relpath(fpath, elsa_docs)
+                record = {
+                    "source": f"elsa_{src}",
+                    "file": "/docs/" + rel,
+                    "title": doc["title"],
+                    "text": doc["text"],
+                }
+                buf.append(record)
+                total += 1
+                
+                if len(buf) >= part_size:
+                    out_file = os.path.join(out_dir, f"part_{part_idx:04d}.jsonl")
+                    with open(out_file, "w", encoding="utf-8") as f:
+                        for r in buf:
+                            f.write(json.dumps(r, ensure_ascii=False) + "\n")
+                    print(f"  Part {part_idx:04d}: {len(buf)} records → {out_file}")
+                    buf = []
+                    part_idx += 1
+            except Exception as e:
+                print(f"  ERROR {fpath}: {e}", file=sys.stderr)
+    
+    # Flush remaining
+    if buf:
+        out_file = os.path.join(out_dir, f"part_{part_idx:04d}.jsonl")
+        with open(out_file, "w", encoding="utf-8") as f:
+            for r in buf:
+                f.write(json.dumps(r, ensure_ascii=False) + "\n")
+        print(f"  Part {part_idx:04d}: {len(buf)} records → {out_file}")
+        part_idx += 1
+    
+    print(f"\nTotal: {total} documents in {part_idx} parts → {out_dir}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/parse_elsa_mdb.py b/scripts/parse_elsa_mdb.py
new file mode 100644
index 0000000..76effbb
--- /dev/null
+++ b/scripts/parse_elsa_mdb.py
@@ -0,0 +1,224 @@
+#!/usr/bin/env python3
+"""
+Парсер MDB-баз ElsaWin → JSONL для RAG.
+Использует mdbtools (mdb-export) для выгрузки таблиц.
+
+Использование:
+  python3 parse_elsa_mdb.py <путь_к_mdb> <выходная_директория>
+
+Пример:
+  python3 parse_elsa_mdb.py ~/nubes/data/elsa/data/rldal.V.en-GB.mdb ~/nubes/data/elsa_mdb_jsonl/
+"""
+
+import csv
+import io
+import json
+import os
+import subprocess
+import sys
+from pathlib import Path
+
+
+def mdb_tables(mdb_path: str) -> list[str]:
+    """Получить список таблиц из MDB через mdb-tables."""
+    result = subprocess.run(
+        ["mdb-tables", mdb_path],
+        capture_output=True, text=True, check=True
+    )
+    return result.stdout.strip().split()
+
+
+def mdb_export(mdb_path: str, table: str) -> str:
+    """Экспорт таблицы в CSV через mdb-export."""
+    result = subprocess.run(
+        ["mdb-export", mdb_path, table],
+        capture_output=True, text=True, check=True
+    )
+    return result.stdout
+
+
+def parse_csv(csv_text: str) -> list[dict]:
+    """Распарсить CSV в список словарей."""
+    reader = csv.DictReader(io.StringIO(csv_text))
+    return [row for row in reader]
+
+
+def export_table_to_jsonl(mdb_path: str, table: str, output_dir: str) -> str:
+    """Экспорт одной таблицы в JSONL."""
+    print(f"  {table}...", end=" ", flush=True)
+    csv_text = mdb_export(mdb_path, table)
+    rows = parse_csv(csv_text)
+    
+    out_file = os.path.join(output_dir, f"{table}.jsonl")
+    with open(out_file, "w", encoding="utf-8") as f:
+        for row in rows:
+            # Очистка значений: убираем лишние пробелы
+            cleaned = {k: v.strip() if v else "" for k, v in row.items()}
+            f.write(json.dumps(cleaned, ensure_ascii=False) + "\n")
+    
+    print(f"{len(rows)} rows → {out_file}")
+    return out_file
+
+
+def build_wi_dokument_docs(mdb_path: str, output_dir: str):
+    """
+    Построить документы из wi_dokument с полной иерархией.
+    Каждый документ = одна строка JSONL с полным путём разделов.
+    """
+    print("\n=== Построение документов из wi_dokument ===")
+    
+    csv_text = mdb_export(mdb_path, "wi_dokument")
+    rows = parse_csv(csv_text)
+    
+    docs = []
+    for row in rows:
+        # Собираем полный путь иерархии
+        hierarchy_parts = []
+        for key in ["og_bez", "bg_bez", "rg_bez", "hkap_bez", "kap_bez", "ukap_bez"]:
+            val = row.get(key, "").strip()
+            if val:
+                hierarchy_parts.append(val)
+        
+        full_path = " → ".join(hierarchy_parts) if hierarchy_parts else ""
+        
+        doc = {
+            "dokument_id": int(row.get("dokument_id", 0)),
+            "spk": row.get("spk", "").strip(),
+            "redsystyp": int(row.get("redsystyp", 0)),
+            "name": row.get("name", "").strip(),
+            "hierarchy": {
+                "og_id": int(row.get("og_id", 0)) if row.get("og_id", "").strip() else None,
+                "bg_id": int(row.get("bg_id", 0)) if row.get("bg_id", "").strip() else None,
+                "rg_id": row.get("rg_id", "").strip(),
+                "hkap_id": int(row.get("hkap_id", 0)) if row.get("hkap_id", "").strip() else None,
+                "kap_id": int(row.get("kap_id", 0)) if row.get("kap_id", "").strip() else None,
+                "ukap_id": int(row.get("ukap_id", 0)) if row.get("ukap_id", "").strip() else None,
+            },
+            "titles": {
+                "og": row.get("og_bez", "").strip(),
+                "bg": row.get("bg_bez", "").strip(),
+                "rg": row.get("rg_bez", "").strip(),
+                "hkap": row.get("hkap_bez", "").strip(),
+                "kap": row.get("kap_bez", "").strip(),
+                "ukap": row.get("ukap_bez", "").strip(),
+            },
+            "full_title": full_path,
+            "parent_dokument_id": int(row.get("parent_dokument_id", 0)) if row.get("parent_dokument_id", "").strip() else None,
+            "ext_id": row.get("ext_id", "").strip(),
+            "source": "elsa",
+            "type": "wi_dokument",
+        }
+        docs.append(doc)
+    
+    out_file = os.path.join(output_dir, "wi_dokument_enriched.jsonl")
+    with open(out_file, "w", encoding="utf-8") as f:
+        for doc in docs:
+            f.write(json.dumps(doc, ensure_ascii=False) + "\n")
+    
+    print(f"Построено {len(docs)} документов → {out_file}")
+    
+    # Статистика по иерархии
+    with_titles = sum(1 for d in docs if d["full_title"])
+    print(f"  Из них с иерархией: {with_titles}")
+    print(f"  Без иерархии: {len(docs) - with_titles}")
+    
+    return out_file
+
+
+def build_vehicle_lookup(mdb_path: str, output_dir: str):
+    """
+    Построить справочник привязки документов к автомобилям.
+    """
+    print("\n=== Построение привязки документов к автомобилям ===")
+    
+    # wi_dokument_fzg
+    csv_text = mdb_export(mdb_path, "wi_dokument_fzg")
+    rows = parse_csv(csv_text)
+    
+    # Группируем по dokument_id
+    from collections import defaultdict
+    by_doc = defaultdict(list)
+    for row in rows:
+        entry = {
+            "vtyp": row.get("vtyp", "").strip(),
+            "marke": row.get("marke", "").strip(),
+            "mkb": row.get("mkb", "").strip(),
+            "gkb": row.get("gkb", "").strip(),
+            "gtyp": row.get("gtyp", "").strip(),
+            "mj_von": int(row.get("mj_von", 0)) if row.get("mj_von", "").strip() else None,
+            "mj_bis": int(row.get("mj_bis", 0)) if row.get("mj_bis", "").strip() else None,
+        }
+        by_doc[int(row["dokument_id"])].append(entry)
+    
+    out_file = os.path.join(output_dir, "wi_dokument_fzg_grouped.jsonl")
+    with open(out_file, "w", encoding="utf-8") as f:
+        for doc_id, vehicles in by_doc.items():
+            f.write(json.dumps({
+                "dokument_id": doc_id,
+                "vehicles": vehicles,
+                "count": len(vehicles),
+            }, ensure_ascii=False) + "\n")
+    
+    print(f"{len(by_doc)} документов с привязкой к авто → {out_file}")
+    return out_file
+
+
+def build_hierarchy_reference(mdb_path: str, output_dir: str):
+    """
+    Построить справочники иерархии: og, bg, rg с vehicle-привязкой.
+    """
+    print("\n=== Построение справочников иерархии ===")
+    
+    for tbl, name in [("wi_og_fzg", "og"), ("wi_bg_fzg", "bg"), ("wi_rg_fzg", "rg")]:
+        csv_text = mdb_export(mdb_path, tbl)
+        rows = parse_csv(csv_text)
+        out_file = os.path.join(output_dir, f"{tbl}.jsonl")
+        with open(out_file, "w", encoding="utf-8") as f:
+            for row in rows:
+                cleaned = {k: v.strip() if v else "" for k, v in row.items()}
+                f.write(json.dumps(cleaned, ensure_ascii=False) + "\n")
+        print(f"  {tbl}: {len(rows)} rows → {out_file}")
+
+
+def main():
+    if len(sys.argv) < 3:
+        print(__doc__)
+        sys.exit(1)
+    
+    mdb_path = os.path.abspath(sys.argv[1])
+    output_dir = os.path.abspath(sys.argv[2])
+    
+    if not os.path.exists(mdb_path):
+        print(f"ОШИБКА: MDB файл не найден: {mdb_path}")
+        sys.exit(1)
+    
+    os.makedirs(output_dir, exist_ok=True)
+    
+    print(f"MDB: {mdb_path}")
+    print(f"Выход: {output_dir}")
+    
+    # 1. Список таблиц
+    tables = mdb_tables(mdb_path)
+    print(f"\nТаблицы ({len(tables)}): {', '.join(tables)}")
+    
+    # 2. Экспорт каждой таблицы в сырой JSONL
+    print("\n=== Экспорт таблиц ===")
+    for table in tables:
+        try:
+            export_table_to_jsonl(mdb_path, table, output_dir)
+        except subprocess.CalledProcessError as e:
+            print(f"ОШИБКА экспорта {table}: {e}")
+    
+    # 3. Построение обогащённых документов (rldal-specific)
+    if "wi_dokument" in tables:
+        build_wi_dokument_docs(mdb_path, output_dir)
+        build_vehicle_lookup(mdb_path, output_dir)
+        build_hierarchy_reference(mdb_path, output_dir)
+    else:
+        print("\n=== Пропускаем обогащение (нет wi_dokument таблицы) ===")
+    
+    print(f"\n✅ Готово. Результат: {output_dir}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/parse_elsa_wi.py b/scripts/parse_elsa_wi.py
new file mode 100644
index 0000000..58cba92
--- /dev/null
+++ b/scripts/parse_elsa_wi.py
@@ -0,0 +1,131 @@
+#!/usr/bin/env python3
+"""Парсер WI-файлов ElsaWin (OLE2 → XML → JSONL)"""
+import os, re, json, sys
+import olefile
+
+def parse_wi_file(path):
+    """Извлечь XML-потоки из WI (OLE2) файла."""
+    docs = []
+    
+    with olefile.OleFileIO(path) as ole:
+        for stream in ole.listdir():
+            stream_name = "/".join(stream)
+            if not stream_name.endswith(".xml"):
+                continue
+            
+            data = ole.openstream(stream).read()
+            text = data.decode("utf-8", errors="replace")
+            
+            # Extract key elements
+            title_parts = []
+            
+            m = re.search(r"<marke>(.*?)</marke>", text, re.IGNORECASE)
+            marke = m.group(1) if m else ""
+            
+            m = re.search(r"<modell>(.*?)</modell>", text, re.IGNORECASE)
+            modell = m.group(1) if m else ""
+            
+            m = re.search(r"<obergrup>(.*?)</obergrup>", text, re.IGNORECASE)
+            obergrup = m.group(1) if m else ""
+            
+            m = re.search(r"<baugrup>(.*?)</baugrup>", text, re.IGNORECASE)
+            baugrup = m.group(1) if m else ""
+            
+            # Название документа
+            m = re.search(r"<h-kap[^>]*?typen-bez=\"([^\"]+)\"", text)
+            typen = m.group(1) if m else ""
+            
+            # Title from vorspann
+            title = " ".join(p for p in [obergrup, baugrup] if p)
+            if marke:
+                title = f"{marke} {modell}: {title}" if modell else f"{marke}: {title}"
+            
+            # Clean body
+            body = re.sub(r"<[^>]+>", " ", text)
+            body = re.sub(r"\s+", " ", body).strip()
+            
+            docs.append({
+                "title": title,
+                "marke": marke,
+                "modell": modell,
+                "obergrup": obergrup,
+                "baugrup": baugrup,
+                "text": body,
+            })
+    
+    return docs
+
+
+def main():
+    if len(sys.argv) < 3:
+        print(f"Usage: {sys.argv[0]} <elsa_docs_dir> <output_dir>")
+        sys.exit(1)
+    
+    elsa_docs = os.path.abspath(sys.argv[1])
+    out_dir = os.path.abspath(sys.argv[2])
+    os.makedirs(out_dir, exist_ok=True)
+    
+    # Collect en-GB WI files
+    wi_files = []
+    for root, dirs, files in os.walk(elsa_docs):
+        for f in files:
+            if f.endswith(".wi") and "en-GB" in f:
+                wi_files.append(os.path.join(root, f))
+    
+    print(f"Found {len(wi_files)} en-GB WI files")
+    
+    # By category
+    by_cat = {}
+    for f in wi_files:
+        if "/rl/" in f:
+            cat = "rl"
+        elif "/igg/" in f:
+            cat = "igg"
+        elif "/ki/" in f:
+            cat = "ki"
+        else:
+            cat = "other"
+        by_cat.setdefault(cat, []).append(f)
+    
+    for cat, files in by_cat.items():
+        print(f"  {cat}: {len(files)} files")
+    
+    # Parse
+    total_docs = 0
+    part_size = 5000
+    part_idx = 0
+    buf = []
+    
+    for cat, files in by_cat.items():
+        for fpath in sorted(files):
+            try:
+                docs = parse_wi_file(fpath)
+                for doc in docs:
+                    doc["source"] = f"elsa_wi_{cat}"
+                    doc["file"] = os.path.relpath(fpath, elsa_docs)
+                    buf.append(doc)
+                    total_docs += 1
+            except Exception as e:
+                print(f"  ERROR {fpath}: {e}", file=sys.stderr)
+            
+            if len(buf) >= part_size:
+                out_file = os.path.join(out_dir, f"part_{part_idx:04d}.jsonl")
+                with open(out_file, "w", encoding="utf-8") as f:
+                    for r in buf:
+                        f.write(json.dumps(r, ensure_ascii=False) + "\n")
+                print(f"  Part {part_idx:04d}: {len(buf)} → {out_file}")
+                buf = []
+                part_idx += 1
+    
+    if buf:
+        out_file = os.path.join(out_dir, f"part_{part_idx:04d}.jsonl")
+        with open(out_file, "w", encoding="utf-8") as f:
+            for r in buf:
+                f.write(json.dumps(r, ensure_ascii=False) + "\n")
+        print(f"  Part {part_idx:04d}: {len(buf)} → {out_file}")
+    
+    print(f"\nTotal: {total_docs} XML documents from {len(wi_files)} WI files → {out_dir}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/rag_ingest.py b/scripts/rag_ingest.py
new file mode 100644
index 0000000..c142ed3
--- /dev/null
+++ b/scripts/rag_ingest.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python3
+"""Ingest JSONL into ChromaDB — uses llama.cpp /embedding endpoint."""
+import json, os, sys, glob, urllib.request, time
+import chromadb
+
+LLAMA_URL = "http://localhost:8081/embedding"
+
+def llama_embed(texts):
+    """Get embeddings from nomic-embed server with retry."""
+    data = json.dumps({"content": texts}).encode()
+    req = urllib.request.Request(LLAMA_URL, data=data,
+        headers={"Content-Type": "application/json"})
+    for attempt in range(3):
+        try:
+            with urllib.request.urlopen(req, timeout=120) as resp:
+                body = json.loads(resp.read())
+            if isinstance(body, list):
+                return [item["embedding"][0] for item in body]
+            return body.get("embedding", [])
+        except Exception as e:
+            if attempt < 2:
+                print(f"[retry {attempt+1}] {e}")
+                time.sleep(5)
+            else:
+                raise
+
+
+class LlamaEmbedFn:
+    """Custom embedding function using llama.cpp."""
+    def __call__(self, input):
+        all_embs = []
+        for i in range(0, len(input), 32):
+            batch = input[i:i+32]
+            embs = llama_embed(batch)
+            if isinstance(embs[0], float):
+                all_embs.append(embs)
+            else:
+                all_embs.extend(embs)
+        return all_embs
+
+
+def main():
+    jsonl_dir = sys.argv[1] if len(sys.argv) > 1 else os.path.expanduser("~/nubes/data/elsa_jsonl_wi_en")
+    db_dir = sys.argv[2] if len(sys.argv) > 2 else os.path.expanduser("~/nubes/chroma_db")
+    collection_name = sys.argv[3] if len(sys.argv) > 3 else "elsa_docs"
+    
+    ef = LlamaEmbedFn()
+    
+    client = chromadb.PersistentClient(path=db_dir)
+    
+    try:
+        client.delete_collection(collection_name)
+    except:
+        pass
+    
+    collection = client.create_collection(
+        name=collection_name,
+        embedding_function=ef,
+        metadata={"hnsw:space": "cosine"}
+    )
+    
+    jsonl_files = sorted(glob.glob(os.path.join(jsonl_dir, "*.jsonl")))
+    print(f"Found {len(jsonl_files)} JSONL files")
+    print(f"Using llama.cpp at {LLAMA_URL}")
+    
+    total = 0
+    for jf in jsonl_files:
+        ids, docs, metas = [], [], []
+        
+        with open(jf, "r", encoding="utf-8") as f:
+            for line in f:
+                try:
+                    d = json.loads(line)
+                    title = d.get("title", "").strip()
+                    text = d.get("text", "").strip()
+                    ft = d.get("full_title", "").strip()
+                    
+                    if ft and text:
+                        doc = f"{ft}\n{text}"
+                    elif title and text:
+                        doc = f"{title}\n{text}"
+                    else:
+                        doc = text or title or ft
+                    
+                    if not doc or len(doc) < 20:
+                        continue
+                    
+                    # Split long docs into chunks of ~1000 chars
+                    chunks = [doc[i:i+1000] for i in range(0, len(doc), 1000)]
+                    for chunk in chunks:
+                        if len(chunk) < 20:
+                            continue
+                        ids.append(str(total))
+                        docs.append(chunk)
+                        metas.append({
+                            "source": d.get("source", ""),
+                            "file": d.get("file", ""),
+                            "title": title or ft or doc[:100],
+                        })
+                        total += 1
+                except:
+                    continue
+        
+        if ids:
+            # Send in smaller batches of 500
+            for i in range(0, len(ids), 500):
+                batch_ids = ids[i:i+500]
+                batch_docs = docs[i:i+500]
+                batch_metas = metas[i:i+500]
+                for attempt in range(3):
+                    try:
+                        collection.add(ids=batch_ids, documents=batch_docs, metadatas=batch_metas)
+                        break
+                    except Exception as e:
+                        if attempt < 2:
+                            print(f"  [retry {os.path.basename(jf)} batch {attempt+1}] {e}")
+                            time.sleep(10)
+                        else:
+                            print(f"  [SKIP batch] {e}")
+            print(f"  {os.path.basename(jf)}: +{len(ids)} (total {total})")
+    
+    print(f"\nDone. {total} documents → {db_dir}/{collection_name}")
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/rag_ingest_cpu.py b/scripts/rag_ingest_cpu.py
new file mode 100644
index 0000000..089b570
--- /dev/null
+++ b/scripts/rag_ingest_cpu.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+"""Полная индексация через sentence-transformers (CPU, стабильно)."""
+import json, os, sys, time, glob, shutil
+from chromadb import PersistentClient
+from chromadb.utils import embedding_functions
+
+ALL_DIRS = [
+    "~/nubes/data/elsa_jsonl_wi_en",
+    "~/nubes/data/elsa_mdb_jsonl",
+    "~/nubes/data/elsa_mdb_jsonl/ipsvrap",
+    "~/nubes/data/elsa_jsonl_htm_en",
+    "~/nubes/data/elsa_jsonl",
+    "~/nubes/data/elsa_mdb_jsonl/dbsvrfi",
+    "~/nubes/data/elsa_mdb_jsonl/dbsvrfz",
+]
+
+DB_DIR = os.path.expanduser("~/nubes/chroma_db")
+MODEL = "all-MiniLM-L6-v2"  # 90 MB, CPU
+
+ef = embedding_functions.SentenceTransformerEmbeddingFunction(model_name=MODEL)
+
+if os.path.exists(DB_DIR):
+    shutil.rmtree(DB_DIR)
+    print("Old chroma_db deleted")
+
+client = PersistentClient(path=DB_DIR)
+collection = client.create_collection("elsa_docs", embedding_function=ef)
+
+all_files = []
+for d in ALL_DIRS:
+    path = os.path.expanduser(d)
+    files = sorted(glob.glob(os.path.join(path, "*.jsonl")))
+    all_files.extend(files)
+    print(f"{d}: {len(files)} files")
+
+print(f"\nTotal: {len(all_files)} JSONL files")
+
+total = 0
+for fpath in all_files:
+    docs, ids, metas = [], [], []
+    prefix = os.path.basename(os.path.dirname(fpath)) + "_"
+    
+    try:
+        with open(fpath) as fh:
+            for line in fh:
+                try:
+                    d = json.loads(line)
+                    title = d.get("title", "") or d.get("full_title", "")
+                    text = d.get("text", "")
+                    doc = (title + "\n" + text).strip()[:1000]
+                    if len(doc) < 20:
+                        continue
+                    docs.append(doc)
+                    ids.append(f"{prefix}{os.path.basename(fpath)}_{len(docs)}")
+                    metas.append({"source": prefix.strip("_")})
+                except:
+                    continue
+    except:
+        continue
+    
+    if not docs:
+        continue
+    
+    print(f"{os.path.basename(fpath)}: {len(docs)} docs", end="", flush=True)
+    
+    for j in range(0, len(docs), 500):
+        batch = docs[j:j+500]
+        batch_ids = ids[j:j+500]
+        for retry in range(3):
+            try:
+                collection.add(ids=batch_ids, documents=batch,
+                    metadatas=metas[j:j+500])
+                total += len(batch)
+                print(".", end="", flush=True)
+                break
+            except Exception as e:
+                if retry < 2:
+                    print(f"R{retry}", end="", flush=True)
+                    time.sleep(5)
+                else:
+                    print(f"X", end="", flush=True)
+    
+    print(f" total={collection.count()}")
+
+print(f"\n✅ Done. Total: {collection.count()} docs")
diff --git a/scripts/rag_ingest_full.py b/scripts/rag_ingest_full.py
new file mode 100644
index 0000000..e7b090a
--- /dev/null
+++ b/scripts/rag_ingest_full.py
@@ -0,0 +1,115 @@
+#!/usr/bin/env python3
+"""Полная переиндексация ВСЕХ данных в ChromaDB. Работает до победного."""
+import json, os, sys, time, urllib.request, glob
+from chromadb import PersistentClient
+
+EF_URL = "http://localhost:8081/embedding"
+DB_DIR = os.path.expanduser("~/nubes/chroma_db")
+
+ALL_DIRS = [
+    "~/nubes/data/elsa_jsonl_wi_en",         # 244k WI XML
+    "~/nubes/data/elsa_mdb_jsonl",            # 191k rldal
+    "~/nubes/data/elsa_mdb_jsonl/ipsvrap",   # 2.5M parts
+    "~/nubes/data/elsa_jsonl_htm_en",        # 7k hs2+www
+    "~/nubes/data/elsa_jsonl",               # 24k HTM
+    "~/nubes/data/elsa_mdb_jsonl/dbsvrfi",   # car ref
+    "~/nubes/data/elsa_mdb_jsonl/dbsvrfz",   # PR codes
+]
+
+def embed(texts):
+    for attempt in range(5):
+        try:
+            data = json.dumps({"content": texts}).encode()
+            req = urllib.request.Request(EF_URL, data=data,
+                headers={"Content-Type": "application/json"})
+            with urllib.request.urlopen(req, timeout=120) as resp:
+                body = json.loads(resp.read())
+            if isinstance(body, list):
+                return [item["embedding"][0] for item in body]
+            return body.get("embedding", [])
+        except Exception as e:
+            print(f"\n  [embed retry {attempt+1}/5] {e}")
+            time.sleep(15)
+    raise Exception("Embedding failed after 5 retries")
+
+def main():
+    # Удалить старую БД и создать новую
+    import shutil
+    if os.path.exists(DB_DIR):
+        shutil.rmtree(DB_DIR)
+        print("Старая ChromaDB удалена")
+    
+    client = PersistentClient(path=DB_DIR)
+    collection = client.create_collection("elsa_docs")
+    
+    # Собираем все JSONL
+    all_files = []
+    for d in ALL_DIRS:
+        path = os.path.expanduser(d)
+        files = sorted(glob.glob(os.path.join(path, "*.jsonl")))
+        all_files.extend(files)
+        print(f"{d}: {len(files)} files")
+    
+    print(f"\nВсего {len(all_files)} JSONL файлов")
+    
+    total = 0
+    errors = 0
+    
+    for fpath in all_files:
+        docs, ids = [], []
+        prefix = os.path.basename(os.path.dirname(fpath)) + "_"
+        
+        try:
+            with open(fpath) as fh:
+                for line in fh:
+                    try:
+                        d = json.loads(line)
+                        title = d.get("title", "") or d.get("full_title", "")
+                        text = d.get("text", "")
+                        doc = (title + "\n" + text).strip()[:1000]
+                        if len(doc) < 20:
+                            continue
+                        docs.append(doc)
+                        ids.append(f"{prefix}{os.path.basename(fpath)}_{len(docs)}")
+                    except:
+                        continue
+        except Exception as e:
+            print(f"  [SKIP {os.path.basename(fpath)}] read error: {e}")
+            errors += 1
+            continue
+        
+        if not docs:
+            print(f"  {os.path.basename(fpath)}: empty")
+            continue
+        
+        print(f"  {os.path.basename(fpath)}: {len(docs)} docs", end="", flush=True)
+        
+        # Бачами по 50
+        for j in range(0, len(docs), 50):
+            batch_docs = docs[j:j+50]
+            batch_ids = ids[j:j+50]
+            
+            for retry in range(5):
+                try:
+                    embs = embed(batch_docs)
+                    collection.add(ids=batch_ids, documents=batch_docs,
+                        embeddings=embs, metadatas=[{"source": prefix.strip("_")}] * len(batch_docs))
+                    total += len(batch_docs)
+                    print(".", end="", flush=True)
+                    break
+                except Exception as e:
+                    if retry < 4:
+                        print(f"R{retry}", end="", flush=True)
+                        time.sleep(20)
+                    else:
+                        print(f"X", end="", flush=True)
+                        errors += len(batch_docs)
+            
+            time.sleep(0.2)
+        
+        print(f" total={collection.count()}")
+    
+    print(f"\n✅ Done. Total: {collection.count()} docs. Errors: {errors}")
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/rag_ingest_safe.py b/scripts/rag_ingest_safe.py
new file mode 100644
index 0000000..89a7db1
--- /dev/null
+++ b/scripts/rag_ingest_safe.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python3
+"""Ingest WI JSONL into ChromaDB — one file at a time, batches of 50."""
+import json, os, sys, time, urllib.request, glob
+from chromadb import PersistentClient
+
+EF_URL = "http://localhost:8081/embedding"
+DB_DIR = os.path.expanduser("~/nubes/chroma_db")
+# Default: ingest ALL JSONL dirs
+ALL_DIRS = [
+    os.path.expanduser("~/nubes/data/elsa_jsonl_wi_en"),        # 244k WI XML
+    os.path.expanduser("~/nubes/data/elsa_mdb_jsonl"),            # 191k rldal
+    os.path.expanduser("~/nubes/data/elsa_mdb_jsonl/ipsvrap"),   # 2.5M parts
+    os.path.expanduser("~/nubes/data/elsa_jsonl_htm_en"),        # 7k hs2+www
+    os.path.expanduser("~/nubes/data/elsa_jsonl"),               # 24k HTM
+    os.path.expanduser("~/nubes/data/elsa_mdb_jsonl/dbsvrfi"),   # car ref
+    os.path.expanduser("~/nubes/data/elsa_mdb_jsonl/dbsvrfz"),   # PR codes
+]
+
+DATA_DIR = sys.argv[1] if len(sys.argv) > 1 else None
+COLLECTION_NAME = "elsa_docs"
+
+# Connect to existing ChromaDB
+client = PersistentClient(path=DB_DIR)
+try:
+    collection = client.get_or_create_collection(COLLECTION_NAME)
+except:
+    collection = client.create_collection(COLLECTION_NAME)
+
+existing = collection.count()
+print(f"Collection has {existing} docs already")
+
+# Find remaining files
+if DATA_DIR:
+    files = sorted(glob.glob(os.path.join(DATA_DIR, "*.jsonl")))
+else:
+    files = sorted(glob.glob(os.path.join(ALL_DIRS[0], "*.jsonl")))
+    for d in ALL_DIRS[1:]:
+        files.extend(sorted(glob.glob(os.path.join(d, "*.jsonl"))))
+
+print(f"Processing {len(files)} JSONL files")
+
+for fpath in files:
+    docs, ids = [], []
+    prefix = os.path.basename(os.path.dirname(fpath)) + "_"
+    with open(fpath) as fh:
+        for line in fh:
+            d = json.loads(line)
+            title = d.get("title", "") or d.get("full_title", "")
+            text = d.get("text", "")
+            doc = (title + "\n" + text).strip()[:1000]
+            if len(doc) < 20:
+                continue
+            docs.append(doc)
+            ids.append(f"{prefix}{os.path.basename(fpath)}_{len(docs)}")
+    
+    if not docs:
+        print(f"{os.path.basename(fpath)}: empty, skip")
+        continue
+    
+    print(f"{os.path.basename(fpath)}: {len(docs)} docs", end="")
+    
+    for j in range(0, len(docs), 50):
+        batch_docs = docs[j:j+50]
+        batch_ids = ids[j:j+50]
+        data = json.dumps({"content": batch_docs}).encode()
+        
+        for retry in range(3):
+            try:
+                req = urllib.request.Request(EF_URL, data=data,
+                    headers={"Content-Type": "application/json"})
+                with urllib.request.urlopen(req, timeout=120) as resp:
+                    body = json.loads(resp.read())
+                if isinstance(body, list):
+                    embs = [item["embedding"][0] for item in body]
+                else:
+                    embs = body.get("embedding", [])
+                
+                collection.add(ids=batch_ids, documents=batch_docs, embeddings=embs)
+                print(".", end="", flush=True)
+                break
+            except Exception as e:
+                if retry < 2:
+                    print(f"R{retry}", end="", flush=True)
+                    time.sleep(10)
+                else:
+                    print(f"X({e})", end="", flush=True)
+        
+        time.sleep(0.3)
+    
+    print(f" total={collection.count()}")
+
+print(f"\nDone. Total: {collection.count()} documents")
diff --git a/scripts/rag_query.py b/scripts/rag_query.py
new file mode 100644
index 0000000..801dd80
--- /dev/null
+++ b/scripts/rag_query.py
@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+"""RAG Query — search ChromaDB + answer via llama.cpp."""
+import json, os, sys, urllib.request, time
+import chromadb
+
+LLAMA_URL = "http://localhost:8080/completion"
+
+def llama_embed(texts):
+    data = json.dumps({"content": texts}).encode()
+    req = urllib.request.Request("http://localhost:8081/embedding", data=data,
+        headers={"Content-Type": "application/json"})
+    with urllib.request.urlopen(req, timeout=60) as resp:
+        body = json.loads(resp.read())
+    if isinstance(body, list):
+        return [item["embedding"][0] for item in body]
+    return body.get("embedding", [])
+
+
+class LlamaEmbedFn:
+    def __call__(self, input):
+        all_embs = []
+        for i in range(0, len(input), 32):
+            batch = input[i:i+32]
+            embs = llama_embed(batch)
+            all_embs.extend(embs if isinstance(embs[0], list) else [embs])
+        return all_embs
+
+
+def search(collection, query, n=5):
+    results = collection.query(query_texts=[query], n_results=n)
+    docs = []
+    for i in range(len(results["ids"][0])):
+        docs.append({
+            "id": results["ids"][0][i],
+            "doc": results["documents"][0][i],
+            "meta": results["metadatas"][0][i],
+            "distance": results["distances"][0][i],
+        })
+    return docs
+
+
+def ask_llama(prompt, max_tokens=256):
+    data = json.dumps({
+        "prompt": prompt, "temperature": 0.1,
+        "n_predict": max_tokens,
+        "stop": ["\n\n", "Documentation:", "Question:"],
+    }).encode()
+    req = urllib.request.Request(LLAMA_URL, data=data,
+        headers={"Content-Type": "application/json"})
+    with urllib.request.urlopen(req, timeout=120) as resp:
+        return json.loads(resp.read()).get("content", "")
+
+
+def main():
+    db_dir = os.path.expanduser("~/nubes/chroma_db")
+    collection_name = "elsa_docs"
+    
+    ef = LlamaEmbedFn()
+    
+    client = chromadb.PersistentClient(path=db_dir)
+    collection = client.get_collection(collection_name, embedding_function=ef)
+    
+    print(f"Collection '{collection_name}': {collection.count()} documents")
+    
+    while True:
+        try:
+            query = input("\n>>> ").strip()
+        except (EOFError, KeyboardInterrupt):
+            print()
+            break
+        
+        if not query:
+            continue
+        if query.lower() in ("exit", "quit", "q"):
+            break
+        
+        # 1. Поиск
+        results = search(collection, query, n_results=5)
+        
+        # 2. Формируем контекст
+        context_parts = []
+        for r in results:
+            title = r["meta"].get("title", "")[:120]
+            ctx = f"[{title}] {r['doc'][:1000]}"
+            context_parts.append(ctx)
+        
+        context = "\n\n---\n\n".join(context_parts)
+        
+        # 3. Промпт
+        prompt = f"""You are an expert VAG (VW/Audi/Skoda/SEAT) automotive diagnostician. 
+Answer the user's question using ONLY the provided repair documentation below.
+If the answer is not in the documentation, say "Not found in documentation."
+Answer in Russian.
+
+DOCUMENTATION:
+{context}
+
+Question: {query}
+Answer:"""
+        
+        print(f"\n[Found {len(results)} matches, sending to LLM...]")
+        answer = ask_llama(prompt)
+        print(f"\n{answer}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/rag_test.py b/scripts/rag_test.py
new file mode 100644
index 0000000..ba72781
--- /dev/null
+++ b/scripts/rag_test.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""RAG test - embed query, search, answer via Qwen."""
+import json, os, chromadb, urllib.request
+
+def embed(texts):
+    data = json.dumps({"content": texts}).encode()
+    req = urllib.request.Request("http://localhost:8081/embedding", data=data,
+        headers={"Content-Type": "application/json"})
+    with urllib.request.urlopen(req, timeout=30) as resp:
+        body = json.loads(resp.read())
+    if isinstance(body, list):
+        return [item["embedding"][0] for item in body]
+    return body.get("embedding", [])
+
+os.chdir(os.path.expanduser("~/nubes"))
+client = chromadb.PersistentClient(path=os.path.expanduser("~/nubes/chroma_db"))
+collection = client.get_collection("elsa_docs")
+
+# 1. Embed query
+query = "What is the tightening torque for fuel filter on VW Phaeton 3.2 VR6 2004?"
+print(f"Query: {query}")
+q_emb = embed([query])[0]
+
+# 2. Search
+results = collection.query(query_embeddings=[q_emb], n_results=3)
+print(f"Matches: {len(results['ids'][0])}")
+for i in range(len(results['ids'][0])):
+    meta = results['metadatas'][0][i] or {}
+    dist = results['distances'][0][i]
+    print(f"\n[{i}] dist={dist:.3f}")
+    print(f"  source: {meta.get('source','')}")
+    print(f"  title: {meta.get('title','')[:120]}")
+    print(f"  text: {results['documents'][0][i][:300]}...")
+
+# 3. Build prompt for Qwen
+context = "\n\n".join([f"[{m.get('title','')[:80] if m else ''}]\n{d[:1500]}" 
+    for d, m in zip(results['documents'][0], results['metadatas'][0])])
+
+prompt = f"""You are a VAG automotive diagnostician. Answer using ONLY the documentation below.
+DOCUMENTATION:
+{context}
+
+Question: {query}
+Answer:"""
+
+data = json.dumps({"prompt": prompt, "temperature": 0.1, "n_predict": 300,
+    "stop": ["\n\n", "Answer:", "\nThe answer", "\nDocumentation"]}).encode()
+req = urllib.request.Request("http://localhost:8080/completion", data=data,
+    headers={"Content-Type": "application/json"})
+with urllib.request.urlopen(req, timeout=120) as resp:
+    answer = json.loads(resp.read()).get("content", "")
+
+print(f"\n\n=== LLM Answer ===\n{answer}")
+