Исправление ошибок, добавление ИИ-ассистента

docker-compose.yml

@@ -11,8 +11,8 @@ services:
       - ./data/db:/var/lib/postgresql/data
     networks:
       - proxy
-    #ports: # !только локальный тест!
+    # ports: # !только локальный тест!
-    # - 5432:5432
+    #   - 5432:5432
     env_file:
       - ./.env
     healthcheck:
@@ -33,8 +33,8 @@ services:
         - ./data/llm:/root/.ollama
       networks:
        - proxy
-      #ports: # !только локальный тест!
+      # ports: # !только локальный тест!
-      # - 11434:11434
+      #   - 11434:11434
       env_file:
         - ./.env
       healthcheck:

example-docker.env

@@ -6,6 +6,7 @@ POSTGRES_PASSWORD=postgres
 POSTGRES_DB=lib
 
 # Ollama
+ASSISTANT_LLM="qwen3:4b"
 OLLAMA_URL="http://llm:11434"
 OLLAMA_MAX_LOADED_MODELS=2
 OLLAMA_NUM_THREADS=4

example-local.env

@@ -6,6 +6,7 @@ POSTGRES_PASSWORD=postgres
 POSTGRES_DB=lib
 
 # Ollama
+ASSISTANT_LLM="qwen3:4b"
 OLLAMA_URL="http://localhost:11434"
 OLLAMA_MAX_LOADED_MODELS=2
 OLLAMA_NUM_THREADS=4

library_service/auth/__init__.py

@@ -37,11 +37,13 @@ from .core import (
     is_user_admin,
     OptionalAuth,
     RequireAuth,
+    RequireAuthWS,
     RequireAdmin,
     RequireMember,
     RequireLibrarian,
     RequirePartialAuth,
     RequireStaff,
+    RequireStaffWS,
 )
 
 from .seed import (
@@ -100,10 +102,12 @@ __all__ = [
     "is_user_admin",
     "OptionalAuth",
     "RequireAuth",
+    "RequireAuthWS",
     "RequireAdmin",
     "RequireMember",
     "RequireLibrarian",
     "RequireStaff",
+    "RequireStaffWS",
     "seed_roles",
     "seed_admin",
     "run_seeds",

library_service/auth/core.py

@@ -8,6 +8,7 @@ import os
 
 from argon2.low_level import hash_secret_raw, Type
 from cryptography.hazmat.primitives.ciphers.aead import AESGCM
+from fastapi import WebSocket, WebSocketException, Query
 from fastapi import Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordBearer
 from jose import jwt, JWTError, ExpiredSignatureError
@@ -251,6 +252,31 @@ def get_current_user(
     return user
 
 
+async def get_current_user_ws(
+    websocket: WebSocket,
+    token: Annotated[str | None, Query()] = None,
+    session: Session = Depends(get_session),
+) -> User:
+    """Аутентификация для WebSocket через Query параметр."""
+    if token is None:
+        raise WebSocketException(code=status.WS_1008_POLICY_VIOLATION, reason="Token required")
+
+    try:
+        token_data = decode_token(token)
+
+        user = session.get(User, token_data.user_id)
+        if user is None:
+             raise WebSocketException(code=status.WS_1008_POLICY_VIOLATION, reason="User not found")
+
+        if not user.is_active:
+             raise WebSocketException(code=status.WS_1008_POLICY_VIOLATION, reason="Inactive user")
+
+        return user
+
+    except HTTPException:
+        raise WebSocketException(code=status.WS_1008_POLICY_VIOLATION, reason="Invalid token")
+
+
 def get_current_active_user(
     current_user: Annotated[User, Depends(get_current_user)],
 ) -> User:
@@ -315,14 +341,31 @@ def require_any_role(allowed_roles: list[str]):
     return role_checker
 
 
+def require_any_role_ws(allowed_roles: list[str]):
+    """Создает dependency для WebSocket проверки наличия хотя бы одной из ролей"""
+
+    def role_checker(current_user: User = Depends(get_current_user_ws)) -> User:
+        user_roles = {role.name for role in current_user.roles}
+        if not (user_roles & set(allowed_roles)):
+            raise WebSocketException(
+                code=status.WS_1008_POLICY_VIOLATION,
+                reason=f"Requires one of roles: {allowed_roles}",
+            )
+        return current_user
+
+    return role_checker
+
+
 # Создание dependencies
 OptionalAuth = Annotated[User | None, Depends(get_optional_user)]
 RequireAuth = Annotated[User, Depends(get_current_active_user)]
+RequireAuthWS = Annotated[User, Depends(get_current_user_ws)]
 RequireAdmin = Annotated[User, Depends(require_role("admin"))]
 RequireMember = Annotated[User, Depends(require_role("member"))]
 RequireLibrarian = Annotated[User, Depends(require_role("librarian"))]
 RequirePartialAuth = Annotated[User, Depends(get_user_from_partial_token)]
 RequireStaff = Annotated[User, Depends(require_any_role(["admin", "librarian"]))]
+RequireStaffWS = Annotated[User, Depends(require_any_role_ws(["admin", "librarian"]))]
 
 
 def is_user_staff(user: User) -> bool:

library_service/main.py

@@ -1,36 +1,31 @@
 """Основной модуль"""
+from starlette.middleware.base import BaseHTTPMiddleware
 
-import asyncio, psutil, sys, traceback
+import asyncio, sys, traceback
 from contextlib import asynccontextmanager
-from datetime import datetime
 from pathlib import Path
-from time import perf_counter
-from uuid import uuid4
 
 from alembic import command
 from alembic.config import Config
-from fastapi import FastAPI, Depends, Request, Response, status, HTTPException
+from fastapi import status, Request, Response, HTTPException
 from fastapi.staticfiles import StaticFiles
-from fastapi.responses import JSONResponse
 from ollama import Client, ResponseError
 from sqlmodel import Session
 
 from library_service.auth import run_seeds
 from library_service.routers import api_router
-from library_service.routers.misc import unknown
 from library_service.services.captcha import limiter, cleanup_task, require_captcha
+from library_service.middlewares import catch_exception_middleware, log_request_middleware, not_found_handler
 from library_service.settings import (
     LOGGING_CONFIG,
     engine,
     get_app,
     get_logger,
     OLLAMA_URL,
+    ASSISTANT_LLM,
 )
 
 
-SKIP_LOGGING_PATHS = frozenset({"/favicon.ico", "/favicon.svg"})
-
-
 @asynccontextmanager
 async def lifespan(_):
     """Жизненный цикл сервиса"""
@@ -60,10 +55,10 @@ async def lifespan(_):
         ollama_client = Client(host=OLLAMA_URL)
         ollama_client.pull("mxbai-embed-large")
 
-        total_memory_bytes = psutil.virtual_memory().total
+        if ASSISTANT_LLM:
-        total_memory_gb = total_memory_bytes / (1024 ** 3)
+            ollama_client.pull(ASSISTANT_LLM)
-        if total_memory_gb > 5:
+        else:
-            ollama_client.pull("qwen3:4b")
+            logger.info("[=] AI-assistant is not available")
 
     except ResponseError as e:
         logger.error(f"[-] Failed to pull models {e}")
@@ -75,108 +70,9 @@ async def lifespan(_):
 
 
 app = get_app(lifespan)
-
+app.add_middleware(BaseHTTPMiddleware, dispatch=log_request_middleware)  # type: ignore[arg-type]
-
+app.add_middleware(BaseHTTPMiddleware, dispatch=catch_exception_middleware)  # type: ignore[arg-type]
-@app.exception_handler(status.HTTP_404_NOT_FOUND)
+app.add_exception_handler(status.HTTP_404_NOT_FOUND, not_found_handler)  # type: ignore[arg-type]
-async def custom_not_found_handler(request: Request, exc: HTTPException):
-    if exc.detail == "Not Found":
-        path = request.url.path
-
-        if path.startswith("/api/"):
-            return JSONResponse(
-                status_code=status.HTTP_404_NOT_FOUND,
-                content={"detail": "API endpoint not found", "path": path},
-            )
-        return await unknown(request, app)
-
-    return JSONResponse(
-        status_code=exc.status_code,
-        content={"detail": exc.detail},
-    )
-
-
-@app.middleware("http")
-async def catch_exceptions_middleware(request: Request, call_next):
-    """Middleware для подробного json-описания Internal error"""
-    try:
-        return await call_next(request)
-    except Exception as exc:
-        exc_type, exc_value, exc_tb = sys.exc_info()
-        logger = get_logger()
-        logger.exception(exc)
-
-        return JSONResponse(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            content={
-                "message": str(exc),
-                "type": exc_type.__name__ if exc_type else "Unknown",
-                "path": str(request.url),
-                "method": request.method,
-            },
-        )
-
-
-@app.middleware("http")
-async def log_requests(request: Request, call_next):
-    """Middleware для логирования HTTP-запросов"""
-    path = request.url.path
-    if path.startswith("/static") or path in SKIP_LOGGING_PATHS:
-        return await call_next(request)
-
-    logger = get_logger()
-    request_id = uuid4().hex[:8]
-    timestamp = datetime.now().isoformat()
-    method = request.method
-    url = str(request.url)
-    user_agent = request.headers.get("user-agent", "Unknown")
-    client_ip = request.client.host if request.client else None
-
-    start_time = perf_counter()
-
-    try:
-        logger.debug(
-            f"[{request_id}] Starting: {method} {url}",
-            extra={"request_id": request_id, "user_agent": user_agent},
-        )
-
-        response: Response = await call_next(request)
-        process_time = perf_counter() - start_time
-
-        logger.info(
-            f"[{request_id}] {method} {url} - {response.status_code} - {process_time:.4f}s",
-            extra={
-                "request_id": request_id,
-                "timestamp": timestamp,
-                "method": method,
-                "url": url,
-                "status": response.status_code,
-                "process_time": process_time,
-                "client_ip": client_ip,
-                "user_agent": user_agent,
-            },
-        )
-        return response
-
-    except Exception as e:
-        process_time = perf_counter() - start_time
-        logger.error(
-            f"[{request_id}] {method} {url} - Error: {e} - {process_time:.4f}s",
-            extra={
-                "request_id": request_id,
-                "timestamp": timestamp,
-                "method": method,
-                "url": url,
-                "error": str(e),
-                "process_time": process_time,
-                "client_ip": client_ip,
-                "user_agent": user_agent,
-            },
-            exc_info=True,
-        )
-        return Response(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            content="Internal Server Error",
-        )
 
 
 # Подключение маршрутов
@@ -193,8 +89,7 @@ if __name__ == "__main__":
 
     uvicorn.run(
         "library_service.main:app",
-        host="0.0.0.0",
+        host="0.0.0.0", port=8000,
-        port=8000,
         proxy_headers=True,
         forwarded_allow_ips="*",
         log_config=LOGGING_CONFIG,

library_service/middlewares/__init__.py

@@ -0,0 +1,10 @@
+"""Пакет middleware"""
+from .catch_exception import catch_exception_middleware
+from .log_request import log_request_middleware
+from .not_found_handler import not_found_handler
+
+__all__ = [
+    "catch_exception_middleware",
+    "log_request_middleware",
+    "not_found_handler",
+]

library_service/middlewares/catch_exception.py

@@ -0,0 +1,27 @@
+import sys
+
+from fastapi import Request, Response, status
+from starlette.middleware.base import BaseHTTPMiddleware
+from fastapi.responses import JSONResponse
+
+from library_service.settings import get_logger
+
+
+async def catch_exception_middleware(request: Request, call_next):
+    """Middleware для подробного json-описания Internal error"""
+    try:
+        return await call_next(request)
+    except Exception as exc:
+        exc_type, exc_value, exc_tb = sys.exc_info()
+        logger = get_logger()
+        logger.exception(exc)
+
+        return JSONResponse(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            content={
+                "message": str(exc),
+                "type": exc_type.__name__ if exc_type else "Unknown",
+                "path": str(request.url),
+                "method": request.method,
+            },
+        )

library_service/middlewares/log_request.py

@@ -0,0 +1,72 @@
+from datetime import datetime
+from time import perf_counter
+from uuid import uuid4
+
+from fastapi import Request, Response, status
+
+from library_service.settings import get_logger
+
+
+SKIP_LOGGING_PATHS = frozenset({"/favicon.ico", "/favicon.svg"})
+
+
+async def log_request_middleware(request: Request, call_next):
+    """Middleware для логирования HTTP-запросов"""
+    path = request.url.path
+    if path.startswith("/static") or path in SKIP_LOGGING_PATHS:
+        return await call_next(request)
+
+    logger = get_logger()
+    request_id = uuid4().hex[:8]
+    timestamp = datetime.now().isoformat()
+    method = request.method
+    url = str(request.url)
+    user_agent = request.headers.get("user-agent", "Unknown")
+    client_ip = request.client.host if request.client else None
+
+    start_time = perf_counter()
+
+    try:
+        logger.debug(
+            f"[{request_id}] Starting: {method} {url}",
+            extra={"request_id": request_id, "user_agent": user_agent},
+        )
+
+        response: Response = await call_next(request)
+        process_time = perf_counter() - start_time
+
+        logger.info(
+            f"[{request_id}] {method} {url} - {response.status_code} - {process_time:.4f}s",
+            extra={
+                "request_id": request_id,
+                "timestamp": timestamp,
+                "method": method,
+                "url": url,
+                "status": response.status_code,
+                "process_time": process_time,
+                "client_ip": client_ip,
+                "user_agent": user_agent,
+            },
+        )
+        return response
+
+    except Exception as e:
+        process_time = perf_counter() - start_time
+        logger.error(
+            f"[{request_id}] {method} {url} - Error: {e} - {process_time:.4f}s",
+            extra={
+                "request_id": request_id,
+                "timestamp": timestamp,
+                "method": method,
+                "url": url,
+                "error": str(e),
+                "process_time": process_time,
+                "client_ip": client_ip,
+                "user_agent": user_agent,
+            },
+            exc_info=True,
+        )
+        return Response(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            content="Internal Server Error",
+        )

library_service/middlewares/not_found_handler.py

@@ -0,0 +1,24 @@
+from fastapi import Request, Response, status, HTTPException
+from fastapi.responses import JSONResponse
+
+from library_service.settings import get_app
+from library_service.routers.misc import unknown
+
+
+async def not_found_handler(request: Request, exc: HTTPException):
+    """Middleware для обработки 404 ошибки"""
+    if exc.detail == "Not Found":
+        path = request.url.path
+
+        if path.startswith("/api/"):
+            return JSONResponse(
+                status_code=status.HTTP_404_NOT_FOUND,
+                content={"detail": "API endpoint not found", "path": path},
+            )
+        app = get_app()
+        return await unknown(request, app)
+
+    return JSONResponse(
+        status_code=exc.status_code,
+        content={"detail": exc.detail},
+    )

library_service/routers/__init__.py

@@ -11,6 +11,7 @@ from .relationships import router as relationships_router
 from .cap import router as cap_router
 from .users import router as users_router
 from .misc import router as misc_router
+from .llm import router as llm_router
 
 
 api_router = APIRouter()
@@ -26,3 +27,4 @@ api_router.include_router(loans_router, prefix="/api")
 api_router.include_router(cap_router, prefix="/api")
 api_router.include_router(users_router, prefix="/api")
 api_router.include_router(relationships_router, prefix="/api")
+api_router.include_router(llm_router, prefix="/api")

library_service/routers/llm.py

@@ -0,0 +1,253 @@
+"""Модуль обработки запросов к llm"""
+
+import asyncio, json
+from fastapi import APIRouter, WebSocket, WebSocketDisconnect, status
+from ollama import AsyncClient
+
+from library_service.settings import get_logger, OLLAMA_URL, ASSISTANT_LLM
+from library_service.auth import RequireStaffWS
+
+
+logger = get_logger()
+router = APIRouter(prefix="/llm")
+client = AsyncClient(host=OLLAMA_URL)
+
+
+SYSTEM_PROMPT = """
+Ты — ассистент библиотекаря. Помогаешь заполнять карточку книги.
+
+Доступные поля:
+- title (строка) — название книги
+- description (строка) — описание книги
+- page_count (целое число ≥ 1 или null) — количество страниц
+- status — ТОЛЬКО ДЛЯ ЧТЕНИЯ, изменять ЗАПРЕЩЕНО
+
+Правила:
+1. Используй инструменты для изменения полей книги.
+2. Можешь вызывать несколько инструментов за раз.
+3. Если пользователь просит изменить status — вежливо откажи.
+4. Если page_count задаётся — только целое число ≥ 1.
+5. Для очистки поля передавай null.
+6. Отвечай кратко и по делу."""
+
+
+TOOLS = [
+    {
+        "type": "function",
+        "function": {
+            "name": "set_title",
+            "description": "Установить или очистить название книги",
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "value": {
+                        "type": ["string", "null"],
+                        "description": "Новое название или null для очистки",
+                    }
+                },
+                "required": ["value"],
+            },
+        },
+    },
+    {
+        "type": "function",
+        "function": {
+            "name": "set_description",
+            "description": "Установить или очистить описание книги",
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "value": {
+                        "type": ["string", "null"],
+                        "description": "Новое описание или null для очистки",
+                    }
+                },
+                "required": ["value"],
+            },
+        },
+    },
+    {
+        "type": "function",
+        "function": {
+            "name": "set_page_count",
+            "description": "Установить или очистить количество страниц",
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "value": {
+                        "type": ["integer", "null"],
+                        "minimum": 1,
+                        "description": "Количество страниц (≥1) или null для очистки",
+                    }
+                },
+                "required": ["value"],
+            },
+        },
+    },
+]
+
+
+TOOL_TO_TYPE = {
+    "set_title": "title",
+    "set_description": "description",
+    "set_page_count": "page_count",
+}
+
+
+@router.websocket("/book")
+async def assist_book(websocket: WebSocket, current_user: RequireStaffWS):
+    """WebSocket-ассистент для заполнения карточки книги.
+
+    IN (от клиента):
+    {
+        "prompt": "текст запроса",
+        "fields": {
+            "title": "...",
+            "description": "...",
+            "page_count": 1,
+            "status": "..."
+        }
+    }
+
+    OUT (от сервера, потоково, много сообщений):
+    {
+        "type": "info" | "thinking" | "title" | "description" | "page_count" | "end",
+        "value": "..." | int | null
+    }
+    """
+    await websocket.accept()
+
+    messages: list[dict] = [
+        {"role": "system", "content": SYSTEM_PROMPT}
+    ]
+
+    try:
+        if not ASSISTANT_LLM:
+            await websocket.close(status.WS_1011_INTERNAL_ERROR, "LLM not available")
+            return
+
+        while True:
+            request = await websocket.receive_json()
+            prompt: str = request["prompt"]
+            fields: dict = request.get("fields", {})
+
+            user_content = (
+                f"Текущие поля книги:\n"
+                f"- title: {fields.get('title', '')!r}\n"
+                f"- description: {fields.get('description', '')!r}\n"
+                f"- page_count: {fields.get('page_count')!r}\n"
+                f"- status: {fields.get('status', '-')!r} (read-only)\n\n"
+                f"Запрос: {prompt}"
+            )
+            messages.append({"role": "user", "content": user_content})
+
+            await _process_llm_loop(websocket, messages)
+
+    except WebSocketDisconnect:
+        pass
+
+
+async def _process_llm_loop(websocket: WebSocket, messages: list[dict]):
+    while True:
+        assistant_text, tool_calls = await _stream_response(websocket, messages)
+
+        assistant_msg: dict = {"role": "assistant", "content": assistant_text or ""}
+        if tool_calls:
+            assistant_msg["tool_calls"] = tool_calls
+        messages.append(assistant_msg)
+
+        if not tool_calls:
+            await websocket.send_json({
+                "type": "end",
+                "value": "",
+            })
+            break
+
+        for call in tool_calls:
+            func_name = call["function"]["name"]
+
+            raw_args = call["function"].get("arguments", {})
+            if isinstance(raw_args, str):
+                try:
+                    args = json.loads(raw_args)
+                except (json.JSONDecodeError, KeyError):
+                    args = {}
+            elif isinstance(raw_args, dict):
+                args = raw_args
+            else:
+                args = {}
+
+            value = args.get("value")
+            msg_type = TOOL_TO_TYPE.get(func_name)
+
+            if msg_type:
+                if msg_type == "page_count" and value is not None:
+                    if not isinstance(value, int) or value < 1:
+                        value = None
+
+                await websocket.send_json({
+                    "type": msg_type,
+                    "value": value,
+                })
+
+                messages.append({
+                    "role": "tool",
+                    "content": json.dumps({
+                        "status": "ok",
+                        "field": msg_type,
+                        "value": value,
+                    }),
+                })
+            else:
+                messages.append({
+                    "role": "tool",
+                    "content": json.dumps({
+                        "status": "error",
+                        "message": f"Unknown tool: {func_name}",
+                    }),
+                })
+
+
+async def _stream_response(
+    websocket: WebSocket,
+    messages: list[dict],
+) -> tuple[str, list[dict]]:
+    """Стримит ответ модели в WebSocket."""
+    full_text = ""
+    full_thinking = ""
+    tool_calls: list[dict] = []
+    in_thinking = False
+
+    stream = await client.chat(
+        model=ASSISTANT_LLM,
+        messages=messages,
+        tools=TOOLS,
+        stream=True,
+    )
+
+    async for chunk in stream:
+        message = chunk.get("message", {})
+
+        thinking_content = message.get("thinking", "")
+        if thinking_content:
+            in_thinking = True
+            full_thinking += thinking_content
+            await websocket.send_json({
+                "type": "thinking",
+                "value": thinking_content,
+            })
+
+        content = message.get("content", "")
+        if content:
+            if in_thinking:
+                in_thinking = False
+            full_text += content
+            await websocket.send_json({
+                "type": "info",
+                "value": content,
+            })
+
+        if message.get("tool_calls"):
+            tool_calls.extend(message["tool_calls"])
+
+    return full_text, tool_calls

library_service/routers/misc.py

@@ -84,7 +84,7 @@ async def edit_author(request: Request, author_id: str, app=Depends(lambda: get_
     """Рендерит страницу редактирования автора"""
 
     try:
-        author = session.get(Author, int(author_id))
+        author = session.get(Author, int(author_id)) # ty: ignore
         assert author is not None
     except:
         return await unknown(request, app)
@@ -100,7 +100,7 @@ async def author(request: Request, author_id: str, app=Depends(lambda: get_app()
         return RedirectResponse("/authors")
 
     try:
-        author = session.get(Author, int(author_id))
+        author = session.get(Author, int(author_id)) # ty: ignore
         assert author is not None
     except:
         return await unknown(request, app)
@@ -125,7 +125,7 @@ async def edit_book(request: Request, book_id: str, app=Depends(lambda: get_app(
     """Рендерит страницу редактирования книги"""
 
     try:
-        book = session.get(Book, int(book_id))
+        book = session.get(Book, int(book_id)) # ty: ignore
         assert book is not None
     except:
         return await unknown(request, app)
@@ -141,7 +141,7 @@ async def book(request: Request, book_id: str, app=Depends(lambda: get_app()), s
         return RedirectResponse("/books")
 
     try:
-        book = session.get(Book, int(book_id))
+        book = session.get(Book, int(book_id)) # ty: ignore
         assert book is not None
     except:
         return await unknown(request, app)
@@ -238,9 +238,9 @@ async def api_stats(session=Depends(get_session)):
     users = select(func.count()).select_from(User)
     return JSONResponse(
         content={
-            "authors": session.exec(authors).one(),
+            "authors": session.exec(authors).one(), # ty: ignore
-            "books": session.exec(books).one(),
+            "books":   session.exec(books).one(),   # ty: ignore
-            "genres": session.exec(genres).one(),
+            "genres":  session.exec(genres).one(),  # ty: ignore
-            "users": session.exec(users).one(),
+            "users":   session.exec(users).one(),   # ty: ignore
         }
     )

library_service/settings.py

@@ -3,6 +3,7 @@
 import os, logging
 from pathlib import Path
 
+import psutil
 from dotenv import load_dotenv
 from fastapi import FastAPI
 from sqlmodel import Session, create_engine
@@ -100,6 +101,17 @@ DATABASE = os.getenv("POSTGRES_DB")
 
 OLLAMA_URL = os.getenv("OLLAMA_URL")
 
+ASSISTANT_LLM = ""
+logger = get_logger()
+total_memory_bytes = psutil.virtual_memory().total
+total_memory_gb = total_memory_bytes / (1024 ** 3)
+if total_memory_gb > 5:
+    ASSISTANT_LLM = os.getenv("ASSISTANT_LLM", "")
+    if not ASSISTANT_LLM:
+        logger.info("[=] Assistant model not set")
+else:
+    logger.info("[=] Not enough RAM for LLM")
+
 if not all([HOST, PORT, USER, PASSWORD, DATABASE, OLLAMA_URL]):
     raise ValueError("Missing required POSTGRES environment variables")
 

library_service/static/page/create_book.js

@@ -10,6 +10,9 @@ $(document).ready(() => {
   const $form = $("#create-book-form");
   const $submitBtn = $("#submit-btn");
   const $submitText = $("#submit-text");
+  const $titleInput = $("#book-title");
+  const $descInput = $("#book-description");
+  const $pagesInput = $("#book-page-count");
   const $loadingSpinner = $("#loading-spinner");
   const $successModal = $("#success-modal");
 
@@ -20,6 +23,7 @@ $(document).ready(() => {
       initAuthors(allAuthors);
       initGenres(allGenres);
       initializeDropdownListeners();
+      initAiAssistant();
     })
     .catch((err) => {
       console.error("Ошибка загрузки данных:", err);
@@ -350,4 +354,483 @@ $(document).ready(() => {
       window.location.href = "/books";
     }
   });
+
+  function initAiAssistant() {
+    const $aiLogo = $("#ai-logo");
+    const $aiWidget = $("#ai-widget");
+    const $aiInput = $("#ai-input");
+    const $btnRun = $("#ai-btn-run");
+    const $btnStop = $("#ai-btn-stop");
+    const $logWrap = $("#ai-log-container");
+    const $logEntries = $("#ai-log-entries");
+    const $dot = $("#ai-status-dot");
+    const $ping = $("#ai-status-ping");
+    const $statusTxt = $("#ai-status-text");
+
+    const AI_FIELD_TYPES = ["title", "description", "page_count"];
+    const AI_FIELD_LABELS = {
+      title: "Название",
+      description: "Описание",
+      page_count: "Кол-во страниц",
+    };
+
+    if ($aiLogo) {
+      $aiLogo.on("click", () => {
+        if (ws && ws.readyState === WebSocket.OPEN) {
+          ws.close();
+        }
+
+        hideWidget();
+        aiRunning = false;
+        curThinkEl = null;
+        curInfoEl = null;
+        lastType = null;
+        twQueues.clear();
+
+        aiStatus("ready");
+        connectWs();
+      });
+    }
+
+    let ws = null;
+    let aiRunning = false;
+    let curThinkEl = null;
+    let curInfoEl = null;
+    let lastType = null;
+    let idleTimer = null;
+
+    const twQueues = new Map();
+
+    function twEnqueue(el, text, scrollCb) {
+      const raw = el instanceof $ ? el[0] : el;
+      if (!raw) return;
+      if (!twQueues.has(raw)) {
+        twQueues.set(raw, { buffer: "", raf: null, scrollCb: null });
+      }
+      const q = twQueues.get(raw);
+      q.buffer += text;
+      if (scrollCb) q.scrollCb = scrollCb;
+      if (!q.raf) twTick(raw);
+    }
+
+    function twFlush(el) {
+      const raw = el instanceof $ ? el[0] : el;
+      if (!raw) return;
+      const q = twQueues.get(raw);
+      if (!q) return;
+      if (q.raf) cancelAnimationFrame(q.raf);
+      raw.textContent += q.buffer;
+      q.buffer = "";
+      q.raf = null;
+      twQueues.delete(raw);
+    }
+
+    function twTick(raw) {
+      const q = twQueues.get(raw);
+      if (!q || !q.buffer.length) {
+        if (q) q.raf = null;
+        return;
+      }
+      const n = Math.max(1, Math.ceil(q.buffer.length * 0.1));
+      raw.textContent += q.buffer.substring(0, n);
+      q.buffer = q.buffer.substring(n);
+      if (q.scrollCb) q.scrollCb();
+      scrollLog();
+      if (q.buffer.length) {
+        q.raf = requestAnimationFrame(() => twTick(raw));
+      } else {
+        q.raf = null;
+      }
+    }
+
+    let twRafId = null;
+
+    function startTwTick() {
+      if (twRafId === null) {
+        const tick = () => {
+          twQueues.forEach((_, el) => twTick(el));
+          twRafId = requestAnimationFrame(tick);
+        };
+        twRafId = requestAnimationFrame(tick);
+      }
+    }
+
+    function stopTwTick() {
+      if (twRafId !== null) {
+        cancelAnimationFrame(twRafId);
+        twRafId = null;
+      }
+    }
+
+    function aiStatus(s) {
+      if (s === "streaming") {
+        $dot.removeClass("bg-gray-300 hidden").addClass("bg-green-500");
+        $ping.removeClass("hidden");
+        $statusTxt.text("Пишет…");
+      } else if (s === "connected") {
+        $dot.removeClass("bg-gray-300 hidden").addClass("bg-green-500");
+        $ping.addClass("hidden");
+        $statusTxt.text("Подключено");
+      } else {
+        $dot.removeClass("bg-green-500").addClass("bg-gray-300 hidden");
+        $ping.addClass("hidden");
+        $statusTxt.text("Готов");
+      }
+    }
+
+    function setAiRunning(isRunning) {
+      aiRunning = isRunning;
+
+      $btnRun[0].classList.toggle("hidden", isRunning);
+      $btnStop[0].classList.toggle("hidden", !isRunning);
+
+      $aiInput.prop("disabled", isRunning);
+
+      aiStatus(isRunning ? "streaming" : "ready");
+    }
+
+    function scrollLog() {
+      const el = $logWrap[0];
+      if (el) el.scrollTop = el.scrollHeight;
+    }
+
+    function resetIdle() {
+      clearTimeout(idleTimer);
+      if (aiRunning) {
+        idleTimer = setTimeout(() => finishResponse(), 1500);
+      }
+    }
+
+    function getFields() {
+      return {
+        title: $titleInput.val() || null,
+        description: $descInput.val() || null,
+        page_count: $pagesInput.val() ? parseInt($pagesInput.val(), 10) : null,
+      };
+    }
+
+    function aiApplyField(type, value) {
+      if (type === "title") {
+        $titleInput.val(value === null ? "" : value).trigger("input");
+      } else if (type === "description") {
+        $descInput.val(value === null ? "" : value).trigger("input");
+      } else if (type === "page_count") {
+        $pagesInput.val(value === null ? "" : value).trigger("input");
+      }
+    }
+
+    function addThinkBlock() {
+      const id = "ai-t-" + Date.now();
+      $logEntries.append(`
+          <div class="border-b border-gray-100 bg-gray-50/50 fade-in" id="${id}">
+            <div class="px-4 py-2 border-b border-gray-100/50 flex items-center gap-2 cursor-pointer select-none" data-toggle="${id}-b">
+              <svg class="ai-t-spin animate-spin w-3 h-3 text-gray-400" fill="none" viewBox="0 0 24 24">
+                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
+                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+              </svg>
+              <span class="text-[10px] font-bold text-gray-400 uppercase tracking-wider">Думает</span>
+              <svg class="w-3 h-3 text-gray-400 ml-auto transition-transform ai-t-chev" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
+              </svg>
+            </div>
+            <div id="${id}-b" class="px-4 py-3 max-h-40 overflow-y-auto">
+              <p class="ai-t-txt text-xs font-mono text-gray-500 leading-relaxed whitespace-pre-wrap typing-cursor"></p>
+            </div>
+          </div>
+        `);
+      $(`[data-toggle="${id}-b"]`).on("click", function () {
+        $(`#${id}-b`).toggleClass("hidden");
+        $(this).find(".ai-t-chev").toggleClass("rotate-180");
+      });
+      curThinkEl = $(`#${id}`);
+      scrollLog();
+    }
+
+    function appendThink(text) {
+      if (!curThinkEl) addThinkBlock();
+      const p = curThinkEl.find(".ai-t-txt")[0];
+      const sp = p ? p.parentElement : null;
+      twEnqueue(p, text, () => {
+        if (sp) sp.scrollTop = sp.scrollHeight;
+      });
+    }
+
+    function endThink() {
+      if (!curThinkEl) return;
+      const p = curThinkEl.find(".ai-t-txt")[0];
+      twFlush(p);
+      curThinkEl.find(".ai-t-txt").removeClass("typing-cursor");
+      curThinkEl.find(".ai-t-spin").removeClass("animate-spin").html(`
+          <svg class="w-3 h-3 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
+          </svg>
+        `);
+
+      const id = curThinkEl.attr("id");
+      if (id) {
+        $(`#${id}-b`).addClass("hidden");
+        curThinkEl.find(".ai-t-chev").addClass("rotate-180");
+      }
+
+      curThinkEl = null;
+    }
+
+    function addToolEntry(field, value) {
+      const label = AI_FIELD_LABELS[field] || field;
+      const disp =
+        value === null
+          ? '<span class="text-gray-400 italic">очищено</span>'
+          : Utils.escapeHtml(String(value));
+      $logEntries.append(`
+          <div class="px-4 py-2.5 border-b border-gray-100 flex items-center gap-3 fade-in bg-amber-50/50">
+            <svg class="w-3.5 h-3.5 text-amber-600 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path>
+            </svg>
+            <div class="text-xs text-gray-700">
+              <span class="font-semibold text-amber-700">${label}</span>
+              <span class="text-gray-400 mx-1">→</span>
+              <span class="font-mono">${disp}</span>
+            </div>
+          </div>
+        `);
+      scrollLog();
+    }
+
+    function addInfoBlock() {
+      const id = "ai-i-" + Date.now();
+      $logEntries.append(`
+          <div class="px-4 py-4 bg-white fade-in" id="${id}">
+            <div class="flex gap-3">
+              <div class="mt-0.5 flex-shrink-0">
+                <svg class="w-4 h-4 text-gray-800" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 10h.01M12 10h.01M16 10h.01M9 16H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-5l-5 5v-5z"></path>
+                </svg>
+              </div>
+              <div class="ai-i-txt text-sm text-gray-800 leading-6 font-medium typing-cursor"></div>
+            </div>
+          </div>
+        `);
+      curInfoEl = $(`#${id}`);
+      scrollLog();
+    }
+
+    function appendInfo(text) {
+      if (!curInfoEl) addInfoBlock();
+      const el = curInfoEl.find(".ai-i-txt")[0];
+      twEnqueue(el, text);
+    }
+
+    function endInfo() {
+      if (!curInfoEl) return;
+      const el = curInfoEl.find(".ai-i-txt")[0];
+      twFlush(el);
+      curInfoEl.find(".ai-i-txt").removeClass("typing-cursor");
+      curInfoEl = null;
+    }
+
+    function addPromptSep(text) {
+      $logEntries.append(`
+          <div class="px-4 py-3 bg-gray-50 border-b border-t border-gray-100 fade-in">
+            <div class="flex items-center gap-3">
+              <div class="mt-0.5 flex-shrink-0">
+                <svg class="w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"></path>
+                </svg>
+              </div>
+              <span class="text-sm text-gray-800 leading-6 font-medium truncate">${Utils.escapeHtml(text)}</span>
+            </div>
+          </div>
+        `);
+      scrollLog();
+    }
+
+    function hideWidget() {
+      $aiWidget.addClass("hidden");
+      $logWrap.addClass("hidden");
+      $logEntries.empty();
+      curThinkEl = null;
+      curInfoEl = null;
+      lastType = null;
+      twQueues.forEach((q) => {
+        if (q.raf) cancelAnimationFrame(q.raf);
+      });
+      twQueues.clear();
+    }
+
+    function finishResponse() {
+      endThink();
+      endInfo();
+      setAiRunning(false);
+    }
+
+    function handleMsg(raw) {
+      let msg;
+      try {
+        msg = JSON.parse(raw);
+      } catch (e) {
+        return;
+      }
+
+      const { type, value } = msg;
+
+      if (type === "end") {
+        finishResponse();
+        return;
+      }
+
+      if (type === "thinking") {
+        if (lastType !== "thinking") {
+          endThink();
+          endInfo();
+          curThinkEl = null;
+        }
+        appendThink(value);
+        lastType = "thinking";
+        return;
+      }
+
+      if (AI_FIELD_TYPES.includes(type)) {
+        endThink();
+        aiApplyField(type, value);
+        addToolEntry(type, value);
+        lastType = "tool";
+        return;
+      }
+
+      if (type === "info") {
+        if (lastType !== "info") {
+          endThink();
+          endInfo();
+          curInfoEl = null;
+        }
+        appendInfo(value);
+        lastType = "info";
+        return;
+      }
+    }
+
+    function connectWs() {
+      if (
+        ws &&
+        (ws.readyState === WebSocket.OPEN ||
+          ws.readyState === WebSocket.CONNECTING)
+      )
+        return;
+
+      const proto = window.location.protocol === "https:" ? "wss:" : "ws:";
+
+      const token = StorageHelper.get("access_token");
+      if (!token) {
+        Utils.showToast("Вы не авторизованы", "error");
+        return;
+      }
+
+      ws = new WebSocket(
+        `${proto}//${window.location.host}/api/llm/book?token=${token}`,
+      );
+
+      ws.onopen = () => {
+        aiStatus("connected");
+        $aiWidget.removeClass("hidden");
+      };
+
+      ws.onclose = (e) => {
+        const wasRunning = aiRunning;
+        ws = null;
+
+        if (wasRunning) {
+          finishResponse();
+        }
+
+        if (e.code === 1011 || e.code === 1006) {
+          hideWidget();
+        } else if (e.code !== 1000 && e.reason) {
+          Utils.showToast(e.reason, "error");
+        }
+
+        aiStatus("ready");
+      };
+
+      ws.onerror = () => {
+        Utils.showToast("Ошибка WebSocket соединения", "error");
+      };
+
+      ws.onmessage = (e) => handleMsg(e.data);
+    }
+
+    function doSend(prompt) {
+      setAiRunning(true);
+      lastType = null;
+      curThinkEl = null;
+      curInfoEl = null;
+      $logWrap.removeClass("hidden");
+      addPromptSep(prompt);
+      try {
+        ws.send(JSON.stringify({ prompt, fields: getFields() }));
+      } catch (e) {
+        console.error("Failed to send AI prompt", e);
+        finishResponse();
+      }
+      $aiInput.val("");
+    }
+
+    function sendPrompt(prompt) {
+      if (!prompt) {
+        $aiInput[0].focus();
+        return;
+      }
+
+      if (!ws || ws.readyState !== WebSocket.OPEN) {
+        connectWs();
+        let waited = 0;
+        const iv = setInterval(() => {
+          waited += 50;
+          if (ws && ws.readyState === WebSocket.OPEN) {
+            clearInterval(iv);
+            doSend(prompt);
+          } else if (waited >= 5000) {
+            clearInterval(iv);
+            Utils.showToast("Не удалось подключиться", "error");
+            setAiRunning(false);
+          }
+        }, 50);
+        return;
+      }
+
+      doSend(prompt);
+    }
+
+    $btnRun.on("click", () => {
+      const p = $aiInput.val().trim();
+      if (!p) {
+        $aiInput.addClass("placeholder-red-400");
+        setTimeout(() => $aiInput.removeClass("placeholder-red-400"), 500);
+        $aiInput[0].focus();
+        return;
+      }
+      sendPrompt(p);
+    });
+
+    $aiInput.on("keydown", (e) => {
+      if (e.key === "Enter") {
+        e.preventDefault();
+        e.stopPropagation();
+        if (!aiRunning) $btnRun.trigger("click");
+      }
+    });
+
+    $aiInput.on("input", () => {
+      $aiInput.removeClass("placeholder-red-400");
+    });
+
+    $btnStop.on("click", () => {
+      if (ws) {
+        ws.close();
+        ws = null;
+      }
+      finishResponse();
+    });
+
+    connectWs();
+  }
 });

library_service/static/page/edit_book.js

@@ -59,11 +59,13 @@ $(document).ready(() => {
       $form.removeClass("hidden");
       $dangerZone.removeClass("hidden");
       $("#cancel-btn").attr("href", `/book/${bookId}`);
+
+      initAiAssistant();
     })
     .catch((error) => {
       console.error(error);
       Utils.showToast("Ошибка загрузки данных", "error");
-      setTimeout(() => (window.location.href = "/books"), 1500);
+      // setTimeout(() => (window.location.href = "/books"), 1500);
     });
 
   function populateForm(book) {
@@ -457,4 +459,484 @@ $(document).ready(() => {
       }
     }
   });
+
+  function initAiAssistant() {
+    const $aiLogo = $("#ai-logo");
+    const $aiWidget = $("#ai-widget");
+    const $aiInput = $("#ai-input");
+    const $btnRun = $("#ai-btn-run");
+    const $btnStop = $("#ai-btn-stop");
+    const $logWrap = $("#ai-log-container");
+    const $logEntries = $("#ai-log-entries");
+    const $dot = $("#ai-status-dot");
+    const $ping = $("#ai-status-ping");
+    const $statusTxt = $("#ai-status-text");
+
+    const AI_FIELD_TYPES = ["title", "description", "page_count"];
+    const AI_FIELD_LABELS = {
+      title: "Название",
+      description: "Описание",
+      page_count: "Кол-во страниц",
+    };
+
+    if ($aiLogo) {
+      $aiLogo.on("click", () => {
+        if (ws && ws.readyState === WebSocket.OPEN) {
+          ws.close();
+        }
+
+        hideWidget();
+        aiRunning = false;
+        curThinkEl = null;
+        curInfoEl = null;
+        lastType = null;
+        twQueues.clear();
+
+        aiStatus("ready");
+        connectWs();
+      });
+    }
+
+    let ws = null;
+    let aiRunning = false;
+    let curThinkEl = null;
+    let curInfoEl = null;
+    let lastType = null;
+    let idleTimer = null;
+
+    const twQueues = new Map();
+
+    function twEnqueue(el, text, scrollCb) {
+      const raw = el instanceof $ ? el[0] : el;
+      if (!raw) return;
+      if (!twQueues.has(raw)) {
+        twQueues.set(raw, { buffer: "", raf: null, scrollCb: null });
+      }
+      const q = twQueues.get(raw);
+      q.buffer += text;
+      if (scrollCb) q.scrollCb = scrollCb;
+      if (!q.raf) twTick(raw);
+    }
+
+    function twFlush(el) {
+      const raw = el instanceof $ ? el[0] : el;
+      if (!raw) return;
+      const q = twQueues.get(raw);
+      if (!q) return;
+      if (q.raf) cancelAnimationFrame(q.raf);
+      raw.textContent += q.buffer;
+      q.buffer = "";
+      q.raf = null;
+      twQueues.delete(raw);
+    }
+
+    function twTick(raw) {
+      const q = twQueues.get(raw);
+      if (!q || !q.buffer.length) {
+        if (q) q.raf = null;
+        return;
+      }
+      const n = Math.max(1, Math.ceil(q.buffer.length * 0.1));
+      raw.textContent += q.buffer.substring(0, n);
+      q.buffer = q.buffer.substring(n);
+      if (q.scrollCb) q.scrollCb();
+      scrollLog();
+      if (q.buffer.length) {
+        q.raf = requestAnimationFrame(() => twTick(raw));
+      } else {
+        q.raf = null;
+      }
+    }
+
+    let twRafId = null;
+
+    function startTwTick() {
+      if (twRafId === null) {
+        const tick = () => {
+          twQueues.forEach((_, el) => twTick(el));
+          twRafId = requestAnimationFrame(tick);
+        };
+        twRafId = requestAnimationFrame(tick);
+      }
+    }
+
+    function stopTwTick() {
+      if (twRafId !== null) {
+        cancelAnimationFrame(twRafId);
+        twRafId = null;
+      }
+    }
+
+    function aiStatus(s) {
+      if (s === "streaming") {
+        $dot.removeClass("bg-gray-300 hidden").addClass("bg-green-500");
+        $ping.removeClass("hidden");
+        $statusTxt.text("Пишет…");
+      } else if (s === "connected") {
+        $dot.removeClass("bg-gray-300 hidden").addClass("bg-green-500");
+        $ping.addClass("hidden");
+        $statusTxt.text("Подключено");
+      } else {
+        $dot.removeClass("bg-green-500").addClass("bg-gray-300 hidden");
+        $ping.addClass("hidden");
+        $statusTxt.text("Готов");
+      }
+    }
+
+    function setAiRunning(isRunning) {
+      aiRunning = isRunning;
+
+      $btnRun[0].classList.toggle("hidden", isRunning);
+      $btnStop[0].classList.toggle("hidden", !isRunning);
+
+      $aiInput.prop("disabled", isRunning);
+
+      aiStatus(isRunning ? "streaming" : "ready");
+    }
+
+    function scrollLog() {
+      const el = $logWrap[0];
+      if (el) el.scrollTop = el.scrollHeight;
+    }
+
+    function resetIdle() {
+      clearTimeout(idleTimer);
+      if (aiRunning) {
+        idleTimer = setTimeout(() => finishResponse(), 1500);
+      }
+    }
+
+    function getFields() {
+      return {
+        title: $titleInput.val() || null,
+        description: $descInput.val() || null,
+        page_count: $pagesInput.val() ? parseInt($pagesInput.val(), 10) : null,
+        status: $statusSelect.val() || "active",
+      };
+    }
+
+    function aiApplyField(type, value) {
+      if (type === "title") {
+        $titleInput.val(value === null ? "" : value).trigger("input");
+      } else if (type === "description") {
+        $descInput.val(value === null ? "" : value).trigger("input");
+      } else if (type === "page_count") {
+        $pagesInput.val(value === null ? "" : value).trigger("input");
+      }
+    }
+
+    function addThinkBlock() {
+      const id = "ai-t-" + Date.now();
+      $logEntries.append(`
+          <div class="border-b border-gray-100 bg-gray-50/50 fade-in" id="${id}">
+            <div class="px-4 py-2 border-b border-gray-100/50 flex items-center gap-2 cursor-pointer select-none" data-toggle="${id}-b">
+              <svg class="ai-t-spin animate-spin w-3 h-3 text-gray-400" fill="none" viewBox="0 0 24 24">
+                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
+                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+              </svg>
+              <span class="text-[10px] font-bold text-gray-400 uppercase tracking-wider">Думает</span>
+              <svg class="w-3 h-3 text-gray-400 ml-auto transition-transform ai-t-chev" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
+              </svg>
+            </div>
+            <div id="${id}-b" class="px-4 py-3 max-h-40 overflow-y-auto">
+              <p class="ai-t-txt text-xs font-mono text-gray-500 leading-relaxed whitespace-pre-wrap typing-cursor"></p>
+            </div>
+          </div>
+        `);
+      $(`[data-toggle="${id}-b"]`).on("click", function () {
+        $(`#${id}-b`).toggleClass("hidden");
+        $(this).find(".ai-t-chev").toggleClass("rotate-180");
+      });
+      curThinkEl = $(`#${id}`);
+      scrollLog();
+    }
+
+    function appendThink(text) {
+      if (!curThinkEl) addThinkBlock();
+      const p = curThinkEl.find(".ai-t-txt")[0];
+      const sp = p ? p.parentElement : null;
+      twEnqueue(p, text, () => {
+        if (sp) sp.scrollTop = sp.scrollHeight;
+      });
+    }
+
+    function endThink() {
+      if (!curThinkEl) return;
+      const p = curThinkEl.find(".ai-t-txt")[0];
+      twFlush(p);
+      curThinkEl.find(".ai-t-txt").removeClass("typing-cursor");
+      curThinkEl.find(".ai-t-spin").removeClass("animate-spin").html(`
+          <svg class="w-3 h-3 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
+          </svg>
+        `);
+
+      const id = curThinkEl.attr("id");
+      if (id) {
+        $(`#${id}-b`).addClass("hidden");
+        curThinkEl.find(".ai-t-chev").addClass("rotate-180");
+      }
+
+      curThinkEl = null;
+    }
+
+    function addToolEntry(field, value) {
+      const label = AI_FIELD_LABELS[field] || field;
+      const disp =
+        value === null
+          ? '<span class="text-gray-400 italic">очищено</span>'
+          : Utils.escapeHtml(String(value));
+      $logEntries.append(`
+          <div class="px-4 py-2.5 border-b border-gray-100 flex items-center gap-3 fade-in bg-amber-50/50">
+            <svg class="w-3.5 h-3.5 text-amber-600 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path>
+            </svg>
+            <div class="text-xs text-gray-700">
+              <span class="font-semibold text-amber-700">${label}</span>
+              <span class="text-gray-400 mx-1">→</span>
+              <span class="font-mono">${disp}</span>
+            </div>
+          </div>
+        `);
+      scrollLog();
+    }
+
+    function addInfoBlock() {
+      const id = "ai-i-" + Date.now();
+      $logEntries.append(`
+          <div class="px-4 py-4 bg-white fade-in" id="${id}">
+            <div class="flex gap-3">
+              <div class="mt-0.5 flex-shrink-0">
+                <svg class="w-4 h-4 text-gray-800" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 10h.01M12 10h.01M16 10h.01M9 16H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-5l-5 5v-5z"></path>
+                </svg>
+              </div>
+              <div class="ai-i-txt text-sm text-gray-800 leading-6 font-medium typing-cursor"></div>
+            </div>
+          </div>
+        `);
+      curInfoEl = $(`#${id}`);
+      scrollLog();
+    }
+
+    function appendInfo(text) {
+      if (!curInfoEl) addInfoBlock();
+      const el = curInfoEl.find(".ai-i-txt")[0];
+      twEnqueue(el, text);
+    }
+
+    function endInfo() {
+      if (!curInfoEl) return;
+      const el = curInfoEl.find(".ai-i-txt")[0];
+      twFlush(el);
+      curInfoEl.find(".ai-i-txt").removeClass("typing-cursor");
+      curInfoEl = null;
+    }
+
+    function addPromptSep(text) {
+      $logEntries.append(`
+          <div class="px-4 py-3 bg-gray-50 border-b border-t border-gray-100 fade-in">
+            <div class="flex items-center gap-3">
+              <div class="mt-0.5 flex-shrink-0">
+                <svg class="w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"></path>
+                </svg>
+              </div>
+              <span class="text-sm text-gray-800 leading-6 font-medium truncate">${Utils.escapeHtml(text)}</span>
+            </div>
+          </div>
+        `);
+      scrollLog();
+    }
+
+    function hideWidget() {
+      $aiWidget.addClass("hidden");
+      $logWrap.addClass("hidden");
+      $logEntries.empty();
+      curThinkEl = null;
+      curInfoEl = null;
+      lastType = null;
+      twQueues.forEach((q) => {
+        if (q.raf) cancelAnimationFrame(q.raf);
+      });
+      twQueues.clear();
+    }
+
+    function finishResponse() {
+      endThink();
+      endInfo();
+      setAiRunning(false);
+    }
+
+    function handleMsg(raw) {
+      let msg;
+      try {
+        msg = JSON.parse(raw);
+      } catch (e) {
+        return;
+      }
+
+      const { type, value } = msg;
+
+      if (type === "end") {
+        finishResponse();
+        return;
+      }
+
+      if (type === "thinking") {
+        if (lastType !== "thinking") {
+          endThink();
+          endInfo();
+          curThinkEl = null;
+        }
+        appendThink(value);
+        lastType = "thinking";
+        return;
+      }
+
+      if (AI_FIELD_TYPES.includes(type)) {
+        endThink();
+        aiApplyField(type, value);
+        addToolEntry(type, value);
+        lastType = "tool";
+        return;
+      }
+
+      if (type === "info") {
+        if (lastType !== "info") {
+          endThink();
+          endInfo();
+          curInfoEl = null;
+        }
+        appendInfo(value);
+        lastType = "info";
+        return;
+      }
+    }
+
+    function connectWs() {
+      if (
+        ws &&
+        (ws.readyState === WebSocket.OPEN ||
+          ws.readyState === WebSocket.CONNECTING)
+      )
+        return;
+
+      const proto = window.location.protocol === "https:" ? "wss:" : "ws:";
+
+      const token = StorageHelper.get("access_token");
+      if (!token) {
+        Utils.showToast("Вы не авторизованы", "error");
+        return;
+      }
+
+      ws = new WebSocket(
+        `${proto}//${window.location.host}/api/llm/book?token=${token}`,
+      );
+
+      ws.onopen = () => {
+        aiStatus("connected");
+        $aiWidget.removeClass("hidden");
+      };
+
+      ws.onclose = (e) => {
+        const wasRunning = aiRunning;
+        ws = null;
+
+        if (wasRunning) {
+          finishResponse();
+        }
+
+        if (e.code === 1011 || e.code === 1006) {
+          hideWidget();
+        } else if (e.code !== 1000 && e.reason) {
+          Utils.showToast(e.reason, "error");
+        }
+
+        aiStatus("ready");
+      };
+
+      ws.onerror = () => {
+        Utils.showToast("Ошибка WebSocket соединения", "error");
+      };
+
+      ws.onmessage = (e) => handleMsg(e.data);
+    }
+
+    function doSend(prompt) {
+      setAiRunning(true);
+      lastType = null;
+      curThinkEl = null;
+      curInfoEl = null;
+      $logWrap.removeClass("hidden");
+      addPromptSep(prompt);
+      try {
+        ws.send(JSON.stringify({ prompt, fields: getFields() }));
+      } catch (e) {
+        console.error("Failed to send AI prompt", e);
+        finishResponse();
+      }
+      $aiInput.val("");
+    }
+
+    function sendPrompt(prompt) {
+      if (!prompt) {
+        $aiInput[0].focus();
+        return;
+      }
+
+      if (!ws || ws.readyState !== WebSocket.OPEN) {
+        connectWs();
+        let waited = 0;
+        const iv = setInterval(() => {
+          waited += 50;
+          if (ws && ws.readyState === WebSocket.OPEN) {
+            clearInterval(iv);
+            doSend(prompt);
+          } else if (waited >= 5000) {
+            clearInterval(iv);
+            Utils.showToast("Не удалось подключиться", "error");
+            setAiRunning(false);
+          }
+        }, 50);
+        return;
+      }
+
+      doSend(prompt);
+    }
+
+    $btnRun.on("click", () => {
+      const p = $aiInput.val().trim();
+      if (!p) {
+        $aiInput.addClass("placeholder-red-400");
+        setTimeout(() => $aiInput.removeClass("placeholder-red-400"), 500);
+        $aiInput[0].focus();
+        return;
+      }
+      sendPrompt(p);
+    });
+
+    $aiInput.on("keydown", (e) => {
+      if (e.key === "Enter") {
+        e.preventDefault();
+        e.stopPropagation();
+        if (!aiRunning) $btnRun.trigger("click");
+      }
+    });
+
+    $aiInput.on("input", () => {
+      $aiInput.removeClass("placeholder-red-400");
+    });
+
+    $btnStop.on("click", () => {
+      if (ws) {
+        ws.close();
+        ws = null;
+      }
+      finishResponse();
+    });
+
+    connectWs();
+  }
 });

library_service/templates/create_book.html

@@ -1,4 +1,25 @@
 {% extends "base.html" %}{% block content %}
+<style>
+    .typing-cursor::after {
+        content: '▋';
+        display: inline-block;
+        vertical-align: bottom;
+        animation: blink 1s step-end infinite;
+        margin-left: 2px;
+        opacity: 0.7;
+    }
+    @keyframes blink {
+        0%, 100% { opacity: 1; }
+        50% { opacity: 0; }
+    }
+    .fade-in {
+        animation: fadeIn 0.3s ease-in-out forwards;
+    }
+    @keyframes fadeIn {
+        from { opacity: 0; transform: translateY(-5px); }
+        to { opacity: 1; transform: translateY(0); }
+    }
+</style>
 <div class="container mx-auto p-4 max-w-3xl">
     <div class="bg-white rounded-lg shadow-md p-6 md:p-8">
         <div class="mb-8 border-b border-gray-100 pb-4">
@@ -25,6 +46,64 @@
             </p>
         </div>
         <form id="create-book-form" class="space-y-6">
+
+          <div id="ai-widget" class="hidden border border-gray-200 rounded-lg overflow-hidden bg-white shadow-sm transition-shadow hover:shadow-md">
+              <div class="bg-gray-50 border-b border-gray-200 px-4 py-2.5 flex justify-between items-center select-none">
+                  <div class="flex items-center gap-2.5">
+                      <div id="ai-logo" class="cursor-pointer p-1 bg-white border border-gray-200 rounded shadow-sm">
+                        <svg class="w-5 h-5 text-gray-800" fill="currentColor" viewBox="0 0 24 24">
+                            <rect x="2" y="19" width="20" height="3" rx="0.8" fill="currentColor" opacity="0.9"/>
+                            <path d="M12 17V7c0 0-2.5-2-6-2-1.8 0-3 .4-3.5.6V17c.8-.3 2-.5 3.5-.5 3.2 0 6 1.5 6 1.5z" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linejoin="round"/>
+                            <path d="M12 17V7c0 0 2.5-2 6-2 1.8 0 3 .4 3.5.6V17c-.8-.3-2-.5-3.5-.5-3.2 0-6 1.5-6 1.5z" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linejoin="round"/>
+                            <circle cx="12" cy="2.8" r="2" fill="currentColor"/>
+                            <circle cx="7.5" cy="3.8" r="1" fill="currentColor"/>
+                            <circle cx="16.5" cy="3.8" r="1" fill="currentColor"/>
+                            <line x1="10.2" y1="3" x2="8.4" y2="3.6" stroke="currentColor" stroke-width="1"/>
+                            <line x1="13.8" y1="3" x2="15.6" y2="3.6" stroke="currentColor" stroke-width="1"/>
+                        </svg>
+                      </div>
+                      <span class="text-xs font-bold text-gray-700 tracking-[0.15em] uppercase">ИИ-помощник</span>
+                  </div>
+                  <div class="flex items-center gap-2">
+                      <span class="text-[10px] font-mono uppercase text-gray-400" id="ai-status-text">Готов</span>
+                      <span class="relative flex h-2 w-2">
+                          <span id="ai-status-ping" class="hidden animate-ping absolute inline-flex h-full w-full rounded-full bg-green-400 opacity-75"></span>
+                          <span id="ai-status-dot" class="relative inline-flex rounded-full h-2 w-2 bg-gray-300 transition-colors duration-300"></span>
+                      </span>
+                  </div>
+              </div>
+
+              <div id="ai-log-container" class="hidden border-b border-gray-100 bg-white max-h-80 overflow-y-auto">
+                  <div id="ai-log-entries"></div>
+              </div>
+
+              <div class="flex relative bg-white">
+                  <input
+                      type="text"
+                      id="ai-input"
+                      class="flex-1 px-4 py-3.5 text-sm text-gray-900 placeholder-gray-400 bg-transparent focus:outline-none focus:bg-gray-50 transition-colors"
+                      placeholder="Напишите задачу (например: 'Придумай драматичное описание')..."
+                      autocomplete="off"
+                  />
+                  <div class="flex border-l border-gray-100 items-center">
+                      <button type="button" id="ai-btn-stop"
+                              class="hidden px-5 py-2 h-full bg-white text-red-600 text-xs font-bold tracking-widest hover:bg-red-50 transition-colors flex items-center gap-2">
+                          <span>СТОП</span>
+                          <span class="block w-2 h-2 bg-red-600 rounded-sm"></span>
+                      </button>
+                      <button type="button" id="ai-btn-run"
+                              class="group px-6 py-2 h-full bg-white text-gray-900 text-xs font-bold tracking-widest hover:bg-gray-900 hover:text-white transition-all duration-300 flex items-center gap-2">
+                          <span>СТАРТ</span>
+                          <svg class="w-3 h-3 transition-transform group-hover:translate-x-0.5"
+                               fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                              <path stroke-linecap="round" stroke-linejoin="round"
+                                    stroke-width="2" d="M14 5l7 7m0 0l-7 7m7-7H3"></path>
+                          </svg>
+                      </button>
+                  </div>
+              </div>
+          </div>
+
             <div>
                 <label
                     for="book-title"

library_service/templates/edit_book.html

@@ -1,28 +1,35 @@
 {% extends "base.html" %}{% block content %}
+<style>
+    .typing-cursor::after {
+        content: '▋';
+        display: inline-block;
+        vertical-align: bottom;
+        animation: blink 1s step-end infinite;
+        margin-left: 2px;
+        opacity: 0.7;
+    }
+    @keyframes blink {
+        0%, 100% { opacity: 1; }
+        50% { opacity: 0; }
+    }
+    .fade-in {
+        animation: fadeIn 0.3s ease-in-out forwards;
+    }
+    @keyframes fadeIn {
+        from { opacity: 0; transform: translateY(-5px); }
+        to { opacity: 1; transform: translateY(0); }
+    }
+</style>
 <div class="container mx-auto p-4 max-w-3xl">
     <div class="bg-white rounded-lg shadow-md p-6 md:p-8">
         <div class="mb-8 border-b border-gray-100 pb-4">
-            <h1
+            <h1 class="text-2xl font-bold text-gray-800 flex items-center gap-3">
-                class="text-2xl font-bold text-gray-800 flex items-center gap-3"
+                <svg class="w-8 h-8 text-gray-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            >
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z"></path>
-                <svg
-                    class="w-8 h-8 text-gray-600"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                >
-                    <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        stroke-width="2"
-                        d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z"
-                    ></path>
                 </svg>
                 <span>Редактирование книги</span>
             </h1>
-            <p class="text-gray-500 mt-2 text-sm ml-11">
+            <p class="text-gray-500 mt-2 text-sm ml-11">Измените информацию о книге, управляйте авторами и жанрами.</p>
-                Измените информацию о книге, управляйте авторами и жанрами.
-            </p>
         </div>
 
         <div id="loader" class="animate-pulse space-y-4">
@@ -32,80 +39,97 @@
         </div>
 
         <form id="edit-book-form" class="hidden space-y-6">
+
+            <div id="ai-widget" class="hidden border border-gray-200 rounded-lg overflow-hidden bg-white shadow-sm transition-shadow hover:shadow-md">
+                <div class="bg-gray-50 border-b border-gray-200 px-4 py-2.5 flex justify-between items-center select-none">
+                    <div class="flex items-center gap-2.5">
+                        <div id="ai-logo" class="cursor-pointer p-1 bg-white border border-gray-200 rounded shadow-sm">
+                          <svg class="w-5 h-5 text-gray-800" fill="currentColor" viewBox="0 0 24 24">
+                              <rect x="2" y="19" width="20" height="3" rx="0.8" fill="currentColor" opacity="0.9"/>
+                              <path d="M12 17V7c0 0-2.5-2-6-2-1.8 0-3 .4-3.5.6V17c.8-.3 2-.5 3.5-.5 3.2 0 6 1.5 6 1.5z" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linejoin="round"/>
+                              <path d="M12 17V7c0 0 2.5-2 6-2 1.8 0 3 .4 3.5.6V17c-.8-.3-2-.5-3.5-.5-3.2 0-6 1.5-6 1.5z" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linejoin="round"/>
+                              <circle cx="12" cy="2.8" r="2" fill="currentColor"/>
+                              <circle cx="7.5" cy="3.8" r="1" fill="currentColor"/>
+                              <circle cx="16.5" cy="3.8" r="1" fill="currentColor"/>
+                              <line x1="10.2" y1="3" x2="8.4" y2="3.6" stroke="currentColor" stroke-width="1"/>
+                              <line x1="13.8" y1="3" x2="15.6" y2="3.6" stroke="currentColor" stroke-width="1"/>
+                          </svg>
+                        </div>
+                        <span class="text-xs font-bold text-gray-700 tracking-[0.15em] uppercase">ИИ-помощник</span>
+                    </div>
+                    <div class="flex items-center gap-2">
+                        <span class="text-[10px] font-mono uppercase text-gray-400" id="ai-status-text">Готов</span>
+                        <span class="relative flex h-2 w-2">
+                            <span id="ai-status-ping" class="hidden animate-ping absolute inline-flex h-full w-full rounded-full bg-green-400 opacity-75"></span>
+                            <span id="ai-status-dot" class="relative inline-flex rounded-full h-2 w-2 bg-gray-300 transition-colors duration-300"></span>
+                        </span>
+                    </div>
+                </div>
+
+                <div id="ai-log-container" class="hidden border-b border-gray-100 bg-white max-h-80 overflow-y-auto">
+                    <div id="ai-log-entries"></div>
+                </div>
+
+                <div class="flex relative bg-white">
+                    <input
+                        type="text"
+                        id="ai-input"
+                        class="flex-1 px-4 py-3.5 text-sm text-gray-900 placeholder-gray-400 bg-transparent focus:outline-none focus:bg-gray-50 transition-colors"
+                        placeholder="Напишите задачу (например: 'Придумай драматичное описание')..."
+                        autocomplete="off"
+                    />
+                    <div class="flex border-l border-gray-100 items-center">
+                        <button type="button" id="ai-btn-stop"
+                                class="hidden px-5 py-2 h-full bg-white text-red-600 text-xs font-bold tracking-widest hover:bg-red-50 transition-colors flex items-center gap-2">
+                            <span>СТОП</span>
+                            <span class="block w-2 h-2 bg-red-600 rounded-sm"></span>
+                        </button>
+                        <button type="button" id="ai-btn-run"
+                                class="group px-6 py-2 h-full bg-white text-gray-900 text-xs font-bold tracking-widest hover:bg-gray-900 hover:text-white transition-all duration-300 flex items-center gap-2">
+                            <span>СТАРТ</span>
+                            <svg class="w-3 h-3 transition-transform group-hover:translate-x-0.5"
+                                 fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path stroke-linecap="round" stroke-linejoin="round"
+                                      stroke-width="2" d="M14 5l7 7m0 0l-7 7m7-7H3"></path>
+                            </svg>
+                        </button>
+                    </div>
+                </div>
+            </div>
+
             <div>
-                <label
+                <label for="book-title" class="block text-sm font-semibold text-gray-700 mb-2">
-                    for="book-title"
-                    class="block text-sm font-semibold text-gray-700 mb-2"
-                >
                     Название книги <span class="text-red-500">*</span>
                 </label>
-                <input
+                <input type="text" id="book-title" name="title" required maxlength="255"
-                    type="text"
-                    id="book-title"
-                    name="title"
-                    required
-                    maxlength="255"
                     class="w-full border border-gray-300 rounded-lg px-4 py-3 focus:outline-none focus:ring-2 focus:ring-gray-400 transition"
-                    placeholder="Название книги..."
+                    placeholder="Название книги..." />
-                />
                 <div class="flex justify-end mt-1">
-                    <span id="title-counter" class="text-xs text-gray-400"
+                    <span id="title-counter" class="text-xs text-gray-400">0/255</span>
-                        >0/255</span
-                    >
                 </div>
             </div>
 
             <div>
-                <label
+                <label for="book-description" class="block text-sm font-semibold text-gray-700 mb-2">Описание</label>
-                    for="book-description"
+                <textarea id="book-description" name="description" rows="5" maxlength="2000"
-                    class="block text-sm font-semibold text-gray-700 mb-2"
-                >
-                    Описание
-                </label>
-                <textarea
-                    id="book-description"
-                    name="description"
-                    rows="5"
-                    maxlength="2000"
                     class="w-full border border-gray-300 rounded-lg px-4 py-3 focus:outline-none focus:ring-2 focus:ring-gray-400 resize-none transition"
-                    placeholder="Краткое описание сюжета..."
+                    placeholder="Краткое описание сюжета..."></textarea>
-                ></textarea>
                 <div class="flex justify-end mt-1">
-                    <span id="desc-counter" class="text-xs text-gray-400"
+                    <span id="desc-counter" class="text-xs text-gray-400">0/2000</span>
-                        >0/2000</span
-                    >
                 </div>
             </div>
 
             <div>
-                <label
+                <label for="book-page-count" class="block text-sm font-semibold text-gray-700 mb-2">Количество страниц</label>
-                    for="book-page-count"
+                <input type="number" id="book-page-count" name="page_count" min="1"
-                    class="block text-sm font-semibold text-gray-700 mb-2"
-                >
-                    Количество страниц
-                </label>
-                <input
-                    type="number"
-                    id="book-page-count"
-                    name="page_count"
-                    min="1"
                     class="w-full border border-gray-300 rounded-lg px-4 py-3 focus:outline-none focus:ring-2 focus:ring-gray-400 transition"
-                    placeholder="Укажите количество страниц"
+                    placeholder="Укажите количество страниц" />
-                />
             </div>
 
             <div>
-                <label
+                <label for="book-status" class="block text-sm font-semibold text-gray-700 mb-2">Статус</label>
-                    for="book-status"
+                <select id="book-status" name="status"
-                    class="block text-sm font-semibold text-gray-700 mb-2"
+                    class="w-full border border-gray-300 rounded-lg px-4 py-3 focus:outline-none focus:ring-2 focus:ring-gray-400 transition bg-white">
-                >
-                    Статус
-                </label>
-                <select
-                    id="book-status"
-                    name="status"
-                    class="w-full border border-gray-300 rounded-lg px-4 py-3 focus:outline-none focus:ring-2 focus:ring-gray-400 transition bg-white"
-                >
                     <option value="active">Доступна</option>
                     <option value="borrowed">Выдана</option>
                     <option value="reserved">Забронирована</option>
@@ -116,156 +140,62 @@
 
             <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                 <div class="bg-white p-4 rounded-lg border border-gray-200">
-                    <h2
+                    <h2 class="text-sm font-semibold text-gray-700 mb-3 flex items-center justify-between">
-                        class="text-sm font-semibold text-gray-700 mb-3 flex items-center justify-between"
-                    >
                         <span>Авторы</span>
-                        <span
+                        <span id="authors-count" class="text-xs text-gray-400 font-normal"></span>
-                            id="authors-count"
-                            class="text-xs text-gray-400 font-normal"
-                        ></span>
                     </h2>
-                    <div
+                    <div id="current-authors-container" class="flex flex-wrap gap-2 mb-3 min-h-[32px]"></div>
-                        id="current-authors-container"
-                        class="flex flex-wrap gap-2 mb-3 min-h-[32px]"
-                    ></div>
                     <div class="relative">
-                        <input
+                        <input type="text" id="author-search-input" placeholder="Добавить автора..."
-                            type="text"
+                            class="w-full border rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-gray-400" autocomplete="off" />
-                            id="author-search-input"
+                        <div id="author-dropdown" class="hidden absolute z-50 w-full bg-white border border-gray-200 rounded-lg shadow-lg max-h-48 overflow-y-auto mt-1"></div>
-                            placeholder="Добавить автора..."
-                            class="w-full border rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-gray-400"
-                            autocomplete="off"
-                        />
-                        <div
-                            id="author-dropdown"
-                            class="hidden absolute z-50 w-full bg-white border border-gray-200 rounded-lg shadow-lg max-h-48 overflow-y-auto mt-1"
-                        ></div>
                     </div>
                 </div>
-
                 <div class="bg-white p-4 rounded-lg border border-gray-200">
-                    <h2
+                    <h2 class="text-sm font-semibold text-gray-700 mb-3 flex items-center justify-between">
-                        class="text-sm font-semibold text-gray-700 mb-3 flex items-center justify-between"
-                    >
                         <span>Жанры</span>
-                        <span
+                        <span id="genres-count" class="text-xs text-gray-400 font-normal"></span>
-                            id="genres-count"
-                            class="text-xs text-gray-400 font-normal"
-                        ></span>
                     </h2>
-                    <div
+                    <div id="current-genres-container" class="flex flex-wrap gap-2 mb-3 min-h-[32px]"></div>
-                        id="current-genres-container"
-                        class="flex flex-wrap gap-2 mb-3 min-h-[32px]"
-                    ></div>
                     <div class="relative">
-                        <input
+                        <input type="text" id="genre-search-input" placeholder="Добавить жанр..."
-                            type="text"
+                            class="w-full border rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-gray-400" autocomplete="off" />
-                            id="genre-search-input"
+                        <div id="genre-dropdown" class="hidden absolute z-50 w-full bg-white border border-gray-200 rounded-lg shadow-lg max-h-48 overflow-y-auto mt-1"></div>
-                            placeholder="Добавить жанр..."
-                            class="w-full border rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-gray-400"
-                            autocomplete="off"
-                        />
-                        <div
-                            id="genre-dropdown"
-                            class="hidden absolute z-50 w-full bg-white border border-gray-200 rounded-lg shadow-lg max-h-48 overflow-y-auto mt-1"
-                        ></div>
                     </div>
                 </div>
             </div>
 
-            <div
+            <div class="flex flex-col sm:flex-row gap-3 pt-6 border-t border-gray-100">
-                class="flex flex-col sm:flex-row gap-3 pt-6 border-t border-gray-100"
+                <button type="submit" id="submit-btn"
-            >
+                    class="flex-1 flex justify-center items-center px-6 py-3 bg-green-600 text-white font-bold rounded-lg hover:bg-green-700 focus:outline-none focus:ring-4 focus:ring-green-300 transition disabled:opacity-50 disabled:cursor-not-allowed">
-                <button
+                    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                    type="submit"
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
-                    id="submit-btn"
-                    class="flex-1 flex justify-center items-center px-6 py-3 bg-green-600 text-white font-bold rounded-lg hover:bg-green-700 focus:outline-none focus:ring-4 focus:ring-green-300 transition disabled:opacity-50 disabled:cursor-not-allowed"
-                >
-                    <svg
-                        class="w-5 h-5 mr-2"
-                        fill="none"
-                        stroke="currentColor"
-                        viewBox="0 0 24 24"
-                    >
-                        <path
-                            stroke-linecap="round"
-                            stroke-linejoin="round"
-                            stroke-width="2"
-                            d="M5 13l4 4L19 7"
-                        ></path>
                     </svg>
                     <span id="submit-text">Сохранить изменения</span>
-                    <svg
+                    <svg id="loading-spinner" class="hidden animate-spin ml-2 h-5 w-5 text-white" fill="none" viewBox="0 0 24 24">
-                        id="loading-spinner"
+                        <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
-                        class="hidden animate-spin ml-2 h-5 w-5 text-white"
+                        <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
-                        fill="none"
-                        viewBox="0 0 24 24"
-                    >
-                        <circle
-                            class="opacity-25"
-                            cx="12"
-                            cy="12"
-                            r="10"
-                            stroke="currentColor"
-                            stroke-width="4"
-                        ></circle>
-                        <path
-                            class="opacity-75"
-                            fill="currentColor"
-                            d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-                        ></path>
                     </svg>
                 </button>
-                <a
+                <a id="cancel-btn" href="#"
-                    id="cancel-btn"
+                    class="flex-1 flex justify-center items-center px-6 py-3 bg-white border border-gray-300 text-gray-700 font-medium rounded-lg hover:bg-gray-50 transition text-center">
-                    href="#"
-                    class="flex-1 flex justify-center items-center px-6 py-3 bg-white border border-gray-300 text-gray-700 font-medium rounded-lg hover:bg-gray-50 transition text-center"
-                >
                     Отмена
                 </a>
             </div>
         </form>
 
         <div id="danger-zone" class="hidden mt-8 pt-6 border-t border-red-200">
-            <h3
+            <h3 class="text-lg font-bold text-red-600 mb-2 flex items-center gap-2">
-                class="text-lg font-bold text-red-600 mb-2 flex items-center gap-2"
+                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            >
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"></path>
-                <svg
-                    class="w-5 h-5"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                >
-                    <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        stroke-width="2"
-                        d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"
-                    ></path>
                 </svg>
                 Опасная зона
             </h3>
-            <p class="text-sm text-gray-600 mb-4">
+            <p class="text-sm text-gray-600 mb-4">Удаление книги необратимо. Все связи с авторами и жанрами будут удалены.</p>
-                Удаление книги необратимо. Все связи с авторами и жанрами будут
+            <button id="delete-btn"
-                удалены.
+                class="inline-flex items-center px-4 py-2 bg-white border border-red-300 text-red-600 font-medium rounded-lg hover:bg-red-50 focus:outline-none focus:ring-2 focus:ring-red-300 transition">
-            </p>
+                <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <button
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"></path>
-                id="delete-btn"
-                class="inline-flex items-center px-4 py-2 bg-white border border-red-300 text-red-600 font-medium rounded-lg hover:bg-red-50 focus:outline-none focus:ring-2 focus:ring-red-300 transition"
-            >
-                <svg
-                    class="w-5 h-5 mr-2"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                >
-                    <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        stroke-width="2"
-                        d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"
-                    ></path>
                 </svg>
                 Удалить книгу
             </button>
@@ -273,75 +203,32 @@
     </div>
 </div>
 
-<div
+<div id="delete-modal" class="hidden fixed inset-0 bg-gray-900 bg-opacity-60 overflow-y-auto h-full w-full z-50 flex items-center justify-center">
-    id="delete-modal"
+    <div class="relative p-5 border w-full max-w-md shadow-lg rounded-lg bg-white">
-    class="hidden fixed inset-0 bg-gray-900 bg-opacity-60 overflow-y-auto h-full w-full z-50 flex items-center justify-center"
->
-    <div
-        class="relative p-5 border w-full max-w-md shadow-lg rounded-lg bg-white"
-    >
         <div class="mt-3 text-center">
-            <div
+            <div class="mx-auto flex items-center justify-center h-12 w-12 rounded-full bg-red-100 mb-4">
-                class="mx-auto flex items-center justify-center h-12 w-12 rounded-full bg-red-100 mb-4"
+                <svg class="h-6 w-6 text-red-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            >
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"></path>
-                <svg
-                    class="h-6 w-6 text-red-600"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                >
-                    <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        stroke-width="2"
-                        d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"
-                    ></path>
                 </svg>
             </div>
-            <h3 class="text-lg leading-6 font-medium text-gray-900">
+            <h3 class="text-lg leading-6 font-medium text-gray-900">Удалить книгу?</h3>
-                Удалить книгу?
-            </h3>
             <div class="mt-2 px-7 py-3">
                 <p class="text-sm text-gray-500">
                     Вы уверены, что хотите удалить книгу
-                    <span
+                    <span id="modal-book-title" class="font-bold text-gray-800"></span>? Это действие нельзя отменить.
-                        id="modal-book-title"
-                        class="font-bold text-gray-800"
-                    ></span
-                    >? Это действие нельзя отменить.
                 </p>
             </div>
             <div class="flex gap-3 mt-4 justify-center">
-                <button
+                <button id="confirm-delete-btn"
-                    id="confirm-delete-btn"
+                    class="px-4 py-2 bg-red-600 text-white text-base font-medium rounded-lg hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-red-500 flex items-center">
-                    class="px-4 py-2 bg-red-600 text-white text-base font-medium rounded-lg hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-red-500 flex items-center"
-                >
                     <span>Удалить</span>
-                    <svg
+                    <svg id="delete-spinner" class="hidden animate-spin ml-2 h-4 w-4 text-white" fill="none" viewBox="0 0 24 24">
-                        id="delete-spinner"
+                        <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
-                        class="hidden animate-spin ml-2 h-4 w-4 text-white"
+                        <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
-                        fill="none"
-                        viewBox="0 0 24 24"
-                    >
-                        <circle
-                            class="opacity-25"
-                            cx="12"
-                            cy="12"
-                            r="10"
-                            stroke="currentColor"
-                            stroke-width="4"
-                        ></circle>
-                        <path
-                            class="opacity-75"
-                            fill="currentColor"
-                            d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-                        ></path>
                     </svg>
                 </button>
-                <button
+                <button id="cancel-delete-btn"
-                    id="cancel-delete-btn"
+                    class="px-4 py-2 bg-white text-gray-700 border border-gray-300 text-base font-medium rounded-lg hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-gray-200">
-                    class="px-4 py-2 bg-white text-gray-700 border border-gray-300 text-base font-medium rounded-lg hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-gray-200"
-                >
                     Отмена
                 </button>
             </div>
@@ -349,62 +236,33 @@
     </div>
 </div>
 
-<div
+<div id="success-modal" class="hidden fixed inset-0 bg-gray-900 bg-opacity-60 overflow-y-auto h-full w-full z-50 flex items-center justify-center">
-    id="success-modal"
+    <div class="relative p-5 border w-full max-w-md shadow-lg rounded-lg bg-white">
-    class="hidden fixed inset-0 bg-gray-900 bg-opacity-60 overflow-y-auto h-full w-full z-50 flex items-center justify-center"
->
-    <div
-        class="relative p-5 border w-full max-w-md shadow-lg rounded-lg bg-white"
-    >
         <div class="mt-3 text-center">
-            <div
+            <div class="mx-auto flex items-center justify-center h-12 w-12 rounded-full bg-green-100 mb-4">
-                class="mx-auto flex items-center justify-center h-12 w-12 rounded-full bg-green-100 mb-4"
+                <svg class="h-6 w-6 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            >
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
-                <svg
-                    class="h-6 w-6 text-green-600"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                >
-                    <path
-                        stroke-linecap="round"
-                        stroke-linejoin="round"
-                        stroke-width="2"
-                        d="M5 13l4 4L19 7"
-                    ></path>
                 </svg>
             </div>
-            <h3 class="text-lg leading-6 font-medium text-gray-900">
+            <h3 class="text-lg leading-6 font-medium text-gray-900">Изменения сохранены!</h3>
-                Изменения сохранены!
-            </h3>
             <div class="mt-2 px-7 py-3">
                 <p class="text-sm text-gray-500">
-                    Книга
+                    Книга <span id="success-book-title" class="font-bold text-gray-800"></span> успешно обновлена.
-                    <span
-                        id="success-book-title"
-                        class="font-bold text-gray-800"
-                    ></span>
-                    успешно обновлена.
                 </p>
             </div>
             <div class="flex gap-3 mt-4 justify-center">
-                <a
+                <a id="success-link-btn" href="#"
-                    id="success-link-btn"
+                    class="px-4 py-2 bg-gray-600 text-white text-base font-medium rounded-lg hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-gray-500">
-                    href="#"
-                    class="px-4 py-2 bg-gray-600 text-white text-base font-medium rounded-lg hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-gray-500"
-                >
                     Перейти к книге
                 </a>
-                <button
+                <button id="success-close-btn"
-                    id="success-close-btn"
+                    class="px-4 py-2 bg-white text-gray-700 border border-gray-300 text-base font-medium rounded-lg hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-gray-200">
-                    class="px-4 py-2 bg-white text-gray-700 border border-gray-300 text-base font-medium rounded-lg hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-gray-200"
-                >
                     Продолжить
                 </button>
             </div>
         </div>
     </div>
 </div>
-{% endblock %} {% block scripts %}
+{% endblock %}{% block scripts %}
 <script src="/static/page/edit_book.js"></script>
 {% endblock %}