diff --git a/api/app/api/router.py b/api/app/api/router.py
index 0c107bb..6117fd5 100644
--- a/api/app/api/router.py
+++ b/api/app/api/router.py
@@ -6,6 +6,7 @@ from .v1.ai_chat import router as ai_chat_router
 from .v1.atp_assets import router as atp_assets_router
 from .v1.atp_models import router as atp_models_router
 from .v1.auth import router as auth_router
+from .v1.documents import router as documents_router
 from .v1.elevation import router as elevation_router
 from .v1.fault_recurrence import router as fault_recurrence_router
 from .v1.fl_analysis import router as fl_analysis_router
@@ -30,6 +31,7 @@ v1_router.include_router(admin_files_router)
 v1_router.include_router(ai_chat_router)
 v1_router.include_router(atp_assets_router)
 v1_router.include_router(atp_models_router)
+v1_router.include_router(documents_router)
 v1_router.include_router(task_monitor_router)
 v1_router.include_router(scheduled_tasks_router)
 v1_router.include_router(system_messages_router)
diff --git a/api/app/api/v1/documents.py b/api/app/api/v1/documents.py
new file mode 100644
index 0000000..4ece8bc
--- /dev/null
+++ b/api/app/api/v1/documents.py
@@ -0,0 +1,230 @@
+from fastapi import APIRouter, Depends, HTTPException, Query, status
+from sqlalchemy.orm import Session
+
+from ...core.database import get_db
+from ...core.dependencies import (
+    CurrentUser,
+    get_current_user,
+    require_enabled_menu_route,
+)
+from ...schemas.document import (
+    DocumentChapterCreateRequest,
+    DocumentChapterListResponse,
+    DocumentChapterPublic,
+    DocumentChapterTreeItem,
+    DocumentChapterUpdateRequest,
+    DocumentCreateRequest,
+    DocumentListResponse,
+    DocumentPublic,
+    DocumentUpdateRequest,
+)
+from ...services.document_service import (
+    create_document,
+    create_document_chapter,
+    delete_document,
+    delete_document_chapter,
+    get_document_by_id,
+    get_document_chapter_by_id,
+    get_document_chapter_tree,
+    list_document_chapters,
+    list_documents,
+    serialize_document,
+    serialize_document_chapter,
+    update_document,
+    update_document_chapter,
+)
+
+router = APIRouter(prefix="/documents", tags=["documents"])
+
+
+@router.get(
+    "/chapters",
+    response_model=DocumentChapterListResponse,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def get_document_chapters(
+    keyword: str | None = Query(default=None),
+    limit: int = Query(default=50, ge=1, le=200),
+    offset: int = Query(default=0, ge=0),
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentChapterListResponse:
+    return list_document_chapters(db, keyword=keyword, limit=limit, offset=offset)
+
+
+@router.get(
+    "/chapters/tree",
+    response_model=list[DocumentChapterTreeItem],
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def get_chapters_tree(
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> list[DocumentChapterTreeItem]:
+    return get_document_chapter_tree(db)
+
+
+@router.get(
+    "/chapters/{chapter_id}",
+    response_model=DocumentChapterPublic,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def get_chapter_detail(
+    chapter_id: int,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentChapterPublic:
+    chapter = get_document_chapter_by_id(db, chapter_id)
+    if not chapter:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="章节不存在",
+        )
+    return serialize_document_chapter(chapter)
+
+
+@router.post(
+    "/chapters",
+    response_model=DocumentChapterPublic,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def create_chapter(
+    payload: DocumentChapterCreateRequest,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentChapterPublic:
+    chapter = create_document_chapter(db, payload)
+    return serialize_document_chapter(chapter)
+
+
+@router.patch(
+    "/chapters/{chapter_id}",
+    response_model=DocumentChapterPublic,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def update_chapter(
+    chapter_id: int,
+    payload: DocumentChapterUpdateRequest,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentChapterPublic:
+    chapter = update_document_chapter(db, chapter_id, payload)
+    if not chapter:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="章节不存在",
+        )
+    return serialize_document_chapter(chapter)
+
+
+@router.delete(
+    "/chapters/{chapter_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def delete_chapter(
+    chapter_id: int,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    success = delete_document_chapter(db, chapter_id)
+    if not success:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="章节不存在",
+        )
+
+
+@router.get(
+    "",
+    response_model=DocumentListResponse,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def get_documents(
+    keyword: str | None = Query(default=None),
+    chapter_id: int | None = Query(default=None),
+    status_filter: str | None = Query(default=None, alias="status"),
+    limit: int = Query(default=50, ge=1, le=200),
+    offset: int = Query(default=0, ge=0),
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentListResponse:
+    return list_documents(
+        db,
+        keyword=keyword,
+        chapter_id=chapter_id,
+        status=status_filter,
+        limit=limit,
+        offset=offset,
+    )
+
+
+@router.get(
+    "/{document_id}",
+    response_model=DocumentPublic,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def get_document_detail(
+    document_id: int,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentPublic:
+    document = get_document_by_id(db, document_id)
+    if not document:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="文档不存在",
+        )
+    return serialize_document(document)
+
+
+@router.post(
+    "",
+    response_model=DocumentPublic,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def create_document_endpoint(
+    payload: DocumentCreateRequest,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentPublic:
+    document = create_document(db, payload)
+    return serialize_document(document)
+
+
+@router.patch(
+    "/{document_id}",
+    response_model=DocumentPublic,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def update_document_endpoint(
+    document_id: int,
+    payload: DocumentUpdateRequest,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> DocumentPublic:
+    document = update_document(db, document_id, payload)
+    if not document:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="文档不存在",
+        )
+    return serialize_document(document)
+
+
+@router.delete(
+    "/{document_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+    dependencies=[Depends(require_enabled_menu_route)],
+)
+def delete_document_endpoint(
+    document_id: int,
+    _: CurrentUser = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    success = delete_document(db, document_id)
+    if not success:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="文档不存在",
+        )
diff --git a/api/app/models/__init__.py b/api/app/models/__init__.py
index 52842f0..c5e156a 100644
--- a/api/app/models/__init__.py
+++ b/api/app/models/__init__.py
@@ -4,7 +4,7 @@ Import all model modules during package initialization so SQLAlchemy can
 resolve string-based relationships regardless of route/service import order.
 """
 
-from . import ai_chat, atp_asset, atp_model, audit_log, auth_session, elevation, file_storage, fl_analysis, lightning_event, lightning_sample, line, line_tower, menu, object_group, rbac, scheduled_task, system_message, system_param, tower_model, tower_profile, user, wine, worker_registry
+from . import ai_chat, atp_asset, atp_model, audit_log, auth_session, document, elevation, file_storage, fl_analysis, lightning_event, lightning_sample, line, line_tower, menu, object_group, rbac, scheduled_task, system_message, system_param, tower_model, tower_profile, user, wine, worker_registry
 
 __all__ = [
     "ai_chat",
@@ -12,6 +12,7 @@ __all__ = [
     "atp_model",
     "audit_log",
     "auth_session",
+    "document",
     "elevation",
     "file_storage",
     "fl_analysis",
diff --git a/api/app/models/document.py b/api/app/models/document.py
new file mode 100644
index 0000000..acded22
--- /dev/null
+++ b/api/app/models/document.py
@@ -0,0 +1,76 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from sqlalchemy import ForeignKey, Integer, String, Text, DateTime
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy.sql import func
+
+from ..core.database import Base
+
+if TYPE_CHECKING:
+    pass
+
+
+class DocumentChapter(Base):
+    __tablename__ = "document_chapters"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    name: Mapped[str] = mapped_column(String(128), index=True)
+    description: Mapped[str | None] = mapped_column(String(512))
+    parent_id: Mapped[int | None] = mapped_column(
+        ForeignKey("document_chapters.id", ondelete="CASCADE"),
+        index=True,
+    )
+    sort_order: Mapped[int] = mapped_column(Integer, default=0, index=True)
+    created_at: Mapped[DateTime] = mapped_column(DateTime, server_default=func.now())
+    updated_at: Mapped[DateTime] = mapped_column(
+        DateTime, server_default=func.now(), onupdate=func.now()
+    )
+
+    parent: Mapped[DocumentChapter | None] = relationship(
+        "DocumentChapter",
+        remote_side=lambda: [DocumentChapter.id],
+        back_populates="children",
+        lazy="selectin",
+    )
+    children: Mapped[list[DocumentChapter]] = relationship(
+        "DocumentChapter",
+        back_populates="parent",
+        lazy="selectin",
+        order_by="DocumentChapter.sort_order",
+        cascade="all, delete-orphan",
+    )
+    documents: Mapped[list[Document]] = relationship(
+        "Document",
+        back_populates="chapter",
+        lazy="selectin",
+        order_by="Document.sort_order",
+        cascade="all, delete-orphan",
+    )
+
+
+class Document(Base):
+    __tablename__ = "documents"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str] = mapped_column(String(256), index=True)
+    content: Mapped[str] = mapped_column(Text)
+    chapter_id: Mapped[int | None] = mapped_column(
+        ForeignKey("document_chapters.id", ondelete="CASCADE"),
+        index=True,
+    )
+    sort_order: Mapped[int] = mapped_column(Integer, default=0, index=True)
+    status: Mapped[str] = mapped_column(
+        String(16), default="draft", index=True
+    )
+    created_at: Mapped[DateTime] = mapped_column(DateTime, server_default=func.now())
+    updated_at: Mapped[DateTime] = mapped_column(
+        DateTime, server_default=func.now(), onupdate=func.now()
+    )
+
+    chapter: Mapped[DocumentChapter | None] = relationship(
+        "DocumentChapter",
+        back_populates="documents",
+        lazy="selectin",
+    )
diff --git a/api/app/schemas/document.py b/api/app/schemas/document.py
new file mode 100644
index 0000000..f9be4be
--- /dev/null
+++ b/api/app/schemas/document.py
@@ -0,0 +1,72 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, Field
+
+
+class DocumentChapterPublic(BaseModel):
+    id: int
+    name: str
+    description: str | None = None
+    parent_id: int | None = None
+    sort_order: int
+    created_at: datetime
+    updated_at: datetime
+
+
+class DocumentChapterTreeItem(DocumentChapterPublic):
+    children: list["DocumentChapterTreeItem"] = Field(default_factory=list)
+    documents: list["DocumentPublic"] = Field(default_factory=list)
+
+
+class DocumentChapterListResponse(BaseModel):
+    items: list[DocumentChapterPublic]
+    total: int
+
+
+class DocumentChapterCreateRequest(BaseModel):
+    name: str = Field(min_length=1, max_length=128)
+    description: str | None = Field(default=None, max_length=512)
+    parent_id: int | None = None
+    sort_order: int = 0
+
+
+class DocumentChapterUpdateRequest(BaseModel):
+    name: str | None = Field(default=None, min_length=1, max_length=128)
+    description: str | None = Field(default=None, max_length=512)
+    parent_id: int | None = None
+    sort_order: int | None = None
+
+
+class DocumentPublic(BaseModel):
+    id: int
+    title: str
+    content: str
+    chapter_id: int | None = None
+    sort_order: int
+    status: str
+    created_at: datetime
+    updated_at: datetime
+
+
+class DocumentListResponse(BaseModel):
+    items: list[DocumentPublic]
+    total: int
+
+
+class DocumentCreateRequest(BaseModel):
+    title: str = Field(min_length=1, max_length=256)
+    content: str
+    chapter_id: int | None = None
+    sort_order: int = 0
+    status: Literal["draft", "published"] = "draft"
+
+
+class DocumentUpdateRequest(BaseModel):
+    title: str | None = Field(default=None, min_length=1, max_length=256)
+    content: str | None = None
+    chapter_id: int | None = None
+    sort_order: int | None = None
+    status: Literal["draft", "published"] | None = None
diff --git a/api/app/services/document_service.py b/api/app/services/document_service.py
new file mode 100644
index 0000000..722156e
--- /dev/null
+++ b/api/app/services/document_service.py
@@ -0,0 +1,251 @@
+from __future__ import annotations
+
+from sqlalchemy import func, select
+from sqlalchemy.orm import Session
+
+from ..models.document import Document, DocumentChapter
+from ..schemas.document import (
+    DocumentChapterCreateRequest,
+    DocumentChapterListResponse,
+    DocumentChapterPublic,
+    DocumentChapterTreeItem,
+    DocumentChapterUpdateRequest,
+    DocumentCreateRequest,
+    DocumentListResponse,
+    DocumentPublic,
+    DocumentUpdateRequest,
+)
+
+
+def serialize_document_chapter(chapter: DocumentChapter) -> DocumentChapterPublic:
+    return DocumentChapterPublic(
+        id=chapter.id,
+        name=chapter.name,
+        description=chapter.description,
+        parent_id=chapter.parent_id,
+        sort_order=chapter.sort_order,
+        created_at=chapter.created_at,
+        updated_at=chapter.updated_at,
+    )
+
+
+def serialize_document(document: Document) -> DocumentPublic:
+    return DocumentPublic(
+        id=document.id,
+        title=document.title,
+        content=document.content,
+        chapter_id=document.chapter_id,
+        sort_order=document.sort_order,
+        status=document.status,
+        created_at=document.created_at,
+        updated_at=document.updated_at,
+    )
+
+
+def build_chapter_tree(chapters: list[DocumentChapter]) -> list[DocumentChapterTreeItem]:
+    chapter_map = {c.id: c for c in chapters}
+    tree = []
+
+    for chapter in chapters:
+        if chapter.parent_id is None:
+            tree_item = DocumentChapterTreeItem(
+                id=chapter.id,
+                name=chapter.name,
+                description=chapter.description,
+                parent_id=chapter.parent_id,
+                sort_order=chapter.sort_order,
+                created_at=chapter.created_at,
+                updated_at=chapter.updated_at,
+                children=[],
+                documents=[serialize_document(d) for d in chapter.documents],
+            )
+            tree.append(tree_item)
+
+    def add_children(node: DocumentChapterTreeItem):
+        for chapter in chapters:
+            if chapter.parent_id == node.id:
+                child_item = DocumentChapterTreeItem(
+                    id=chapter.id,
+                    name=chapter.name,
+                    description=chapter.description,
+                    parent_id=chapter.parent_id,
+                    sort_order=chapter.sort_order,
+                    created_at=chapter.created_at,
+                    updated_at=chapter.updated_at,
+                    children=[],
+                    documents=[serialize_document(d) for d in chapter.documents],
+                )
+                node.children.append(child_item)
+                add_children(child_item)
+
+    for item in tree:
+        add_children(item)
+
+    return tree
+
+
+def list_document_chapters(
+    db: Session,
+    *,
+    limit: int,
+    offset: int,
+    keyword: str | None = None,
+) -> DocumentChapterListResponse:
+    stmt = select(DocumentChapter)
+    if keyword:
+        stmt = stmt.where(DocumentChapter.name.ilike(f"%{keyword}%"))
+    stmt = stmt.order_by(DocumentChapter.sort_order, DocumentChapter.id)
+    stmt = stmt.limit(limit).offset(offset)
+
+    total_stmt = select(func.count()).select_from(DocumentChapter)
+    if keyword:
+        total_stmt = total_stmt.where(DocumentChapter.name.ilike(f"%{keyword}%"))
+
+    total = db.scalar(total_stmt) or 0
+    chapters = list(db.scalars(stmt).all())
+
+    return DocumentChapterListResponse(
+        items=[serialize_document_chapter(c) for c in chapters],
+        total=total,
+    )
+
+
+def get_document_chapter_tree(db: Session) -> list[DocumentChapterTreeItem]:
+    stmt = select(DocumentChapter).order_by(DocumentChapter.sort_order, DocumentChapter.id)
+    chapters = list(db.scalars(stmt).all())
+    return build_chapter_tree(chapters)
+
+
+def get_document_chapter_by_id(db: Session, chapter_id: int) -> DocumentChapter | None:
+    return db.get(DocumentChapter, chapter_id)
+
+
+def create_document_chapter(
+    db: Session, payload: DocumentChapterCreateRequest
+) -> DocumentChapter:
+    chapter = DocumentChapter(
+        name=payload.name,
+        description=payload.description,
+        parent_id=payload.parent_id,
+        sort_order=payload.sort_order,
+    )
+    db.add(chapter)
+    db.commit()
+    db.refresh(chapter)
+    return chapter
+
+
+def update_document_chapter(
+    db: Session, chapter_id: int, payload: DocumentChapterUpdateRequest
+) -> DocumentChapter | None:
+    chapter = db.get(DocumentChapter, chapter_id)
+    if not chapter:
+        return None
+
+    if payload.name is not None:
+        chapter.name = payload.name
+    if payload.description is not None:
+        chapter.description = payload.description
+    if payload.parent_id is not None:
+        chapter.parent_id = payload.parent_id
+    if payload.sort_order is not None:
+        chapter.sort_order = payload.sort_order
+
+    db.commit()
+    db.refresh(chapter)
+    return chapter
+
+
+def delete_document_chapter(db: Session, chapter_id: int) -> bool:
+    chapter = db.get(DocumentChapter, chapter_id)
+    if not chapter:
+        return False
+    db.delete(chapter)
+    db.commit()
+    return True
+
+
+def list_documents(
+    db: Session,
+    *,
+    limit: int,
+    offset: int,
+    keyword: str | None = None,
+    chapter_id: int | None = None,
+    status: str | None = None,
+) -> DocumentListResponse:
+    stmt = select(Document)
+    if keyword:
+        stmt = stmt.where(Document.title.ilike(f"%{keyword}%"))
+    if chapter_id is not None:
+        stmt = stmt.where(Document.chapter_id == chapter_id)
+    if status:
+        stmt = stmt.where(Document.status == status)
+    stmt = stmt.order_by(Document.sort_order, Document.id)
+    stmt = stmt.limit(limit).offset(offset)
+
+    total_stmt = select(func.count()).select_from(Document)
+    if keyword:
+        total_stmt = total_stmt.where(Document.title.ilike(f"%{keyword}%"))
+    if chapter_id is not None:
+        total_stmt = total_stmt.where(Document.chapter_id == chapter_id)
+    if status:
+        total_stmt = total_stmt.where(Document.status == status)
+
+    total = db.scalar(total_stmt) or 0
+    documents = list(db.scalars(stmt).all())
+
+    return DocumentListResponse(
+        items=[serialize_document(d) for d in documents],
+        total=total,
+    )
+
+
+def get_document_by_id(db: Session, document_id: int) -> Document | None:
+    return db.get(Document, document_id)
+
+
+def create_document(db: Session, payload: DocumentCreateRequest) -> Document:
+    document = Document(
+        title=payload.title,
+        content=payload.content,
+        chapter_id=payload.chapter_id,
+        sort_order=payload.sort_order,
+        status=payload.status,
+    )
+    db.add(document)
+    db.commit()
+    db.refresh(document)
+    return document
+
+
+def update_document(
+    db: Session, document_id: int, payload: DocumentUpdateRequest
+) -> Document | None:
+    document = db.get(Document, document_id)
+    if not document:
+        return None
+
+    if payload.title is not None:
+        document.title = payload.title
+    if payload.content is not None:
+        document.content = payload.content
+    if payload.chapter_id is not None:
+        document.chapter_id = payload.chapter_id
+    if payload.sort_order is not None:
+        document.sort_order = payload.sort_order
+    if payload.status is not None:
+        document.status = payload.status
+
+    db.commit()
+    db.refresh(document)
+    return document
+
+
+def delete_document(db: Session, document_id: int) -> bool:
+    document = db.get(Document, document_id)
+    if not document:
+        return False
+    db.delete(document)
+    db.commit()
+    return True
diff --git a/api/migrations/002_add_document_management.sql b/api/migrations/002_add_document_management.sql
new file mode 100644
index 0000000..6b2a850
--- /dev/null
+++ b/api/migrations/002_add_document_management.sql
@@ -0,0 +1,65 @@
+-- Migration: Add document management tables
+-- Date: 2026-06-20
+-- Description: Create tables for managing operational documents organized by chapters
+
+-- Step 1: Create document_chapters table
+CREATE TABLE IF NOT EXISTS document_chapters (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(128) NOT NULL,
+    description VARCHAR(512),
+    parent_id INTEGER REFERENCES document_chapters(id) ON DELETE CASCADE,
+    sort_order INTEGER DEFAULT 0 NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+-- Create indexes for document_chapters
+CREATE INDEX IF NOT EXISTS idx_document_chapters_name ON document_chapters(name);
+CREATE INDEX IF NOT EXISTS idx_document_chapters_parent_id ON document_chapters(parent_id);
+CREATE INDEX IF NOT EXISTS idx_document_chapters_sort_order ON document_chapters(sort_order);
+
+-- Step 2: Create documents table
+CREATE TABLE IF NOT EXISTS documents (
+    id SERIAL PRIMARY KEY,
+    title VARCHAR(256) NOT NULL,
+    content TEXT NOT NULL,
+    chapter_id INTEGER REFERENCES document_chapters(id) ON DELETE CASCADE,
+    sort_order INTEGER DEFAULT 0 NOT NULL,
+    status VARCHAR(16) DEFAULT 'draft' NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+-- Create indexes for documents
+CREATE INDEX IF NOT EXISTS idx_documents_title ON documents(title);
+CREATE INDEX IF NOT EXISTS idx_documents_chapter_id ON documents(chapter_id);
+CREATE INDEX IF NOT EXISTS idx_documents_sort_order ON documents(sort_order);
+CREATE INDEX IF NOT EXISTS idx_documents_status ON documents(status);
+
+-- Step 3: Create trigger to update updated_at on document_chapters
+CREATE OR REPLACE FUNCTION update_document_chapters_updated_at()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER trigger_update_document_chapters_updated_at
+    BEFORE UPDATE ON document_chapters
+    FOR EACH ROW
+    EXECUTE FUNCTION update_document_chapters_updated_at();
+
+-- Step 4: Create trigger to update updated_at on documents
+CREATE OR REPLACE FUNCTION update_documents_updated_at()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER trigger_update_documents_updated_at
+    BEFORE UPDATE ON documents
+    FOR EACH ROW
+    EXECUTE FUNCTION update_documents_updated_at();
diff --git a/package-lock.json b/package-lock.json
index 452679c..3763739 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -571,6 +571,54 @@
       "integrity": "sha512-Ps3T8E8dZDam6fUyNiMkekK3XUsaUEik+idO9/YjPtfj2qruF8tFBXS7XhtE4iIXBLxhmLjP3SXpLhVf21I9Lw==",
       "license": "MIT"
     },
+    "node_modules/@types/debug": {
+      "version": "4.1.13",
+      "resolved": "https://registry.npmjs.org/@types/debug/-/debug-4.1.13.tgz",
+      "integrity": "sha512-KSVgmQmzMwPlmtljOomayoR89W4FynCAi3E8PPs7vmDVPe84hT+vGPKkJfThkmXs0x0jAaa9U8uW8bbfyS2fWw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/ms": "*"
+      }
+    },
+    "node_modules/@types/estree": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.9.tgz",
+      "integrity": "sha512-GhdPgy1el4/ImP05X05Uw4cw2/M93BCUmnEvWZNStlCzEKME4Fkk+YpoA5OiHNQmoS7Cafb8Xa3Pya8m1Qrzeg==",
+      "license": "MIT"
+    },
+    "node_modules/@types/estree-jsx": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@types/estree-jsx/-/estree-jsx-1.0.5.tgz",
+      "integrity": "sha512-52CcUVNFyfb1A2ALocQw/Dd1BQFNmSdkuC3BkZ6iqhdMfQz7JWOFRuJFloOzjk+6WijU56m9oKXFAXc7o3Towg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/estree": "*"
+      }
+    },
+    "node_modules/@types/hast": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@types/hast/-/hast-3.0.4.tgz",
+      "integrity": "sha512-WPs+bbQw5aCj+x6laNGWLH3wviHtoCv/P3+otBhbOhJgG8qtpdAMlTCxLtsTWA7LH1Oh/bFCHsBn0TPS5m30EQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "*"
+      }
+    },
+    "node_modules/@types/mdast": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/@types/mdast/-/mdast-4.0.4.tgz",
+      "integrity": "sha512-kGaNbPh1k7AFzgpud/gMdvIm5xuECykRR+JnWKQno9TAXVa6WIVCGTPvYGekIDL4uwCZQSYbUxNBSb1aUo79oA==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "*"
+      }
+    },
+    "node_modules/@types/ms": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@types/ms/-/ms-2.1.0.tgz",
+      "integrity": "sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA==",
+      "license": "MIT"
+    },
     "node_modules/@types/node": {
       "version": "25.6.0",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-25.6.0.tgz",
@@ -580,6 +628,15 @@
         "undici-types": "~7.19.0"
       }
     },
+    "node_modules/@types/react": {
+      "version": "19.2.17",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.17.tgz",
+      "integrity": "sha512-MXfmqaVPEVgkBT/aY0aGCkRWWtByiYQXo3xdQ8r5RzuFrPiRn8Gar2tQdXSUQ2GKV3bkXckek89V8wQBY2Q/Aw==",
+      "license": "MIT",
+      "dependencies": {
+        "csstype": "^3.2.2"
+      }
+    },
     "node_modules/@types/trusted-types": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
@@ -587,12 +644,24 @@
       "license": "MIT",
       "optional": true
     },
+    "node_modules/@types/unist": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/@types/unist/-/unist-3.0.3.tgz",
+      "integrity": "sha512-ko/gIFJRv177XgZsZcBwnqJN5x/Gien8qNOn0D5bQU/zAzVf9Zt3BlcUiLqhV9y4ARk0GbT3tnUiPNgnTXzc/Q==",
+      "license": "MIT"
+    },
     "node_modules/@types/use-sync-external-store": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/@types/use-sync-external-store/-/use-sync-external-store-0.0.6.tgz",
       "integrity": "sha512-zFDAD+tlpf2r4asuHEj0XH6pY6i0g5NeAHPn+15wk3BV6JA69eERFXC1gyGThDkVa1zCyKr5jox1+2LbV/AMLg==",
       "license": "MIT"
     },
+    "node_modules/@ungap/structured-clone": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@ungap/structured-clone/-/structured-clone-1.3.1.tgz",
+      "integrity": "sha512-mUFwbeTqrVgDQxFveS+df2yfap6iuP20NAKAsBt5jDEoOTDew+zwLAOilHCeQJOVSvmgCX4ogqIrA0mnyr08yQ==",
+      "license": "ISC"
+    },
     "node_modules/@zip.js/zip.js": {
       "version": "2.8.26",
       "resolved": "https://registry.npmjs.org/@zip.js/zip.js/-/zip.js-2.8.26.tgz",
@@ -681,12 +750,32 @@
         "pnpm": ">=10.10.0"
       }
     },
+    "node_modules/bail": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/bail/-/bail-2.0.2.tgz",
+      "integrity": "sha512-0xO6mYd7JB2YesxDKplafRpsiOzPt9V02ddPCLbY1xYGPOX24NTyN50qnUxgCPcSoYMhKpAuBTjQoRZCAkUDRw==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
     "node_modules/bitmap-sdf": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/bitmap-sdf/-/bitmap-sdf-1.0.4.tgz",
       "integrity": "sha512-1G3U4n5JE6RAiALMxu0p1XmeZkTeCwGKykzsLTCqVzfSDaN6S7fKnkIkfejogz+iwqBWc0UYAIKnKHNN7pSfDg==",
       "license": "MIT"
     },
+    "node_modules/ccount": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/ccount/-/ccount-2.0.1.tgz",
+      "integrity": "sha512-eyrF0jiFpY+3drT6383f1qhkbGsLSifNAjA61IUjZjmLCWjItY6LB9ft9YhoDgwfmclB2zhu51Lc7+95b8NRAg==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
     "node_modules/cesium": {
       "version": "1.140.0",
       "resolved": "https://registry.npmjs.org/cesium/-/cesium-1.140.0.tgz",
@@ -705,6 +794,46 @@
         "node": ">=20.19.0"
       }
     },
+    "node_modules/character-entities": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/character-entities/-/character-entities-2.0.2.tgz",
+      "integrity": "sha512-shx7oQ0Awen/BRIdkjkvz54PnEEI/EjwXDSIZp86/KKdbafHh1Df/RYGBhn4hbe2+uKC9FnT5UCEdyPz3ai9hQ==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/character-entities-html4": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/character-entities-html4/-/character-entities-html4-2.1.0.tgz",
+      "integrity": "sha512-1v7fgQRj6hnSwFpq1Eu0ynr/CDEw0rXo2B61qXrLNdHZmPKgb7fqS1a2JwF0rISo9q77jDI8VMEHoApn8qDoZA==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/character-entities-legacy": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/character-entities-legacy/-/character-entities-legacy-3.0.0.tgz",
+      "integrity": "sha512-RpPp0asT/6ufRm//AJVwpViZbGM/MkjQFxJccQRHmISF/22NBtsHqAWmL+/pmkPWoIUJdWyeVleTl1wydHATVQ==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/character-reference-invalid": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/character-reference-invalid/-/character-reference-invalid-2.0.1.tgz",
+      "integrity": "sha512-iBZ4F4wRbyORVsu0jPV7gXkOsGYjGHPmAyv+HiHG8gi5PtC9KI2j1+v8/tlibRvjoWX027ypmG/n0HtO5t7unw==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
     "node_modules/class-variance-authority": {
       "version": "0.7.1",
       "resolved": "https://registry.npmjs.org/class-variance-authority/-/class-variance-authority-0.7.1.tgz",
@@ -738,6 +867,16 @@
         "node": ">=6"
       }
     },
+    "node_modules/comma-separated-tokens": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/comma-separated-tokens/-/comma-separated-tokens-2.0.3.tgz",
+      "integrity": "sha512-Fu4hJdvzeylCfQPp9SGWidpzrMs7tTrlu6Vb8XGaRGck8QSNZJJp538Wrb60Lax4fPwR64ViY468OIUTbRlGZg==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
     "node_modules/commander": {
       "version": "2.20.3",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
@@ -892,12 +1031,64 @@
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       "license": "MIT"
     },
+    "node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/decimal.js-light": {
       "version": "2.5.1",
       "resolved": "https://registry.npmjs.org/decimal.js-light/-/decimal.js-light-2.5.1.tgz",
       "integrity": "sha512-qIMFpTMZmny+MMIitAB6D7iVPEorVw6YQRWkvarTkT4tBeSLLiHzcwj6q0MmYSFCiVpiqPJTJEYIrpcPzVEIvg==",
       "license": "MIT"
     },
+    "node_modules/decode-named-character-reference": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/decode-named-character-reference/-/decode-named-character-reference-1.3.0.tgz",
+      "integrity": "sha512-GtpQYB283KrPp6nRw50q3U9/VfOutZOe103qlN7BPP6Ad27xYnOIWv4lPzo8HCAL+mMZofJ9KEy30fq6MfaK6Q==",
+      "license": "MIT",
+      "dependencies": {
+        "character-entities": "^2.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/dequal": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/dequal/-/dequal-2.0.3.tgz",
+      "integrity": "sha512-0je+qPKHEMohvfRTCEo3CrPG6cAzAYgmzKyxRiYSSDkS6eGJdyVJm7WaYA5ECaAD9wLB2T4EEeymA5aFVcYXCA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/devlop": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/devlop/-/devlop-1.1.0.tgz",
+      "integrity": "sha512-RWmIqhcFf1lRYBvNmr7qTNuyCt/7/ns2jbpp1+PalgE/rDQcBT0fioSMUpJ93irlUhC5hrg4cYqe6U+0ImW0rA==",
+      "license": "MIT",
+      "dependencies": {
+        "dequal": "^2.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
     "node_modules/dom-align": {
       "version": "1.12.4",
       "resolved": "https://registry.npmjs.org/dom-align/-/dom-align-1.12.4.tgz",
@@ -935,12 +1126,28 @@
         "benchmarks"
       ]
     },
+    "node_modules/estree-util-is-identifier-name": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/estree-util-is-identifier-name/-/estree-util-is-identifier-name-3.0.0.tgz",
+      "integrity": "sha512-hFtqIDZTIUZ9BXLb8y4pYGyk6+wekIivNVTcmvk8NoOh+VeRn5y6cEHzbURrWbfp1fIqdVipilzj+lfaadNZmg==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/eventemitter3": {
       "version": "5.0.4",
       "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.4.tgz",
       "integrity": "sha512-mlsTRyGaPBjPedk6Bvw+aqbsXDtoAyAzm5MO7JgU+yVRyMQ5O8bD4Kcci7BS85f93veegeCPkL8R4GLClnjLFw==",
       "license": "MIT"
     },
+    "node_modules/extend": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
+      "license": "MIT"
+    },
     "node_modules/framer-motion": {
       "version": "12.38.0",
       "resolved": "https://registry.npmjs.org/framer-motion/-/framer-motion-12.38.0.tgz",
@@ -974,6 +1181,56 @@
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       "license": "MIT"
     },
+    "node_modules/hast-util-to-jsx-runtime": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/hast-util-to-jsx-runtime/-/hast-util-to-jsx-runtime-2.3.6.tgz",
+      "integrity": "sha512-zl6s8LwNyo1P9uw+XJGvZtdFF1GdAkOg8ujOw+4Pyb76874fLps4ueHXDhXWdk6YHQ6OgUtinliG7RsYvCbbBg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/estree": "^1.0.0",
+        "@types/hast": "^3.0.0",
+        "@types/unist": "^3.0.0",
+        "comma-separated-tokens": "^2.0.0",
+        "devlop": "^1.0.0",
+        "estree-util-is-identifier-name": "^3.0.0",
+        "hast-util-whitespace": "^3.0.0",
+        "mdast-util-mdx-expression": "^2.0.0",
+        "mdast-util-mdx-jsx": "^3.0.0",
+        "mdast-util-mdxjs-esm": "^2.0.0",
+        "property-information": "^7.0.0",
+        "space-separated-tokens": "^2.0.0",
+        "style-to-js": "^1.0.0",
+        "unist-util-position": "^5.0.0",
+        "vfile-message": "^4.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/hast-util-whitespace": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/hast-util-whitespace/-/hast-util-whitespace-3.0.0.tgz",
+      "integrity": "sha512-88JUN06ipLwsnv+dVn+OIYOvAuvBMy/Qoi6O7mQHxdPXpjy+Cd6xRkWwux7DKO+4sYILtLBRIKgsdpS2gQc7qw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/hast": "^3.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/html-url-attributes": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/html-url-attributes/-/html-url-attributes-3.0.1.tgz",
+      "integrity": "sha512-ol6UPyBWqsrO6EJySPz2O7ZSr856WDrEzM5zMqp+FJJLGMW35cLYmmZnl0vztAZxRUoNZJFTCohfjuIJ8I4QBQ==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/immer": {
       "version": "10.2.0",
       "resolved": "https://registry.npmjs.org/immer/-/immer-10.2.0.tgz",
@@ -984,6 +1241,12 @@
         "url": "https://opencollective.com/immer"
       }
     },
+    "node_modules/inline-style-parser": {
+      "version": "0.2.7",
+      "resolved": "https://registry.npmjs.org/inline-style-parser/-/inline-style-parser-0.2.7.tgz",
+      "integrity": "sha512-Nb2ctOyNR8DqQoR0OwRG95uNWIC0C1lCgf5Naz5H6Ji72KZ8OcFZLz2P5sNgwlyoJ8Yif11oMuYs5pBQa86csA==",
+      "license": "MIT"
+    },
     "node_modules/internmap": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
@@ -993,6 +1256,62 @@
         "node": ">=12"
       }
     },
+    "node_modules/is-alphabetical": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/is-alphabetical/-/is-alphabetical-2.0.1.tgz",
+      "integrity": "sha512-FWyyY60MeTNyeSRpkM2Iry0G9hpr7/9kD40mD/cGQEuilcZYS4okz8SN2Q6rLCJ8gbCt6fN+rC+6tMGS99LaxQ==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/is-alphanumerical": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/is-alphanumerical/-/is-alphanumerical-2.0.1.tgz",
+      "integrity": "sha512-hmbYhX/9MUMF5uh7tOXyK/n0ZvWpad5caBA17GsC6vyuCqaWliRG5K1qS9inmUhEMaOBIW7/whAnSwveW/LtZw==",
+      "license": "MIT",
+      "dependencies": {
+        "is-alphabetical": "^2.0.0",
+        "is-decimal": "^2.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
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+      "integrity": "sha512-0ASV06AAoKCDkS2+xw5RXJywruurpbC4JZSm7nr7MOt1ojAzvyyaO+UxZf18j8FCF6kmzCZKcAgN/yu2gm2XgQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "^3.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/unist-util-visit": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/unist-util-visit/-/unist-util-visit-5.1.0.tgz",
+      "integrity": "sha512-m+vIdyeCOpdr/QeQCu2EzxX/ohgS8KbnPDgFni4dQsfSCtpz8UqDyY5GjRru8PDKuYn7Fq19j1CQ+nJSsGKOzg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "^3.0.0",
+        "unist-util-is": "^6.0.0",
+        "unist-util-visit-parents": "^6.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/unist-util-visit-parents": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/unist-util-visit-parents/-/unist-util-visit-parents-6.0.2.tgz",
+      "integrity": "sha512-goh1s1TBrqSqukSc8wrjwWhL0hiJxgA8m4kFxGlQ+8FYQ3C/m11FcTs4YYem7V664AhHVvgoQLk890Ssdsr2IQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "^3.0.0",
+        "unist-util-is": "^6.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/urijs": {
       "version": "1.19.11",
       "resolved": "https://registry.npmjs.org/urijs/-/urijs-1.19.11.tgz",
@@ -1961,6 +3135,34 @@
         "node": ">= 4"
       }
     },
+    "node_modules/vfile": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/vfile/-/vfile-6.0.3.tgz",
+      "integrity": "sha512-KzIbH/9tXat2u30jf+smMwFCsno4wHVdNmzFyL+T/L3UGqqk6JKfVqOFOZEpZSHADH1k40ab6NUIXZq422ov3Q==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "^3.0.0",
+        "vfile-message": "^4.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/vfile-message": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/vfile-message/-/vfile-message-4.0.3.tgz",
+      "integrity": "sha512-QTHzsGd1EhbZs4AsQ20JX1rC3cOlt/IWJruk893DfLRr57lcnOeMaWG4K0JrRta4mIJZKth2Au3mM3u03/JWKw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "^3.0.0",
+        "unist-util-stringify-position": "^4.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/victory-vendor": {
       "version": "37.3.6",
       "resolved": "https://registry.npmjs.org/victory-vendor/-/victory-vendor-37.3.6.tgz",
@@ -1987,22 +3189,31 @@
       "resolved": "web",
       "link": true
     },
+    "node_modules/zwitch": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
+      "integrity": "sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
     "web": {
       "version": "0.1.0",
       "hasInstallScript": true,
       "dependencies": {
         "@antv/x6": "^3.1.7",
-        "@tailwindcss/oxide-linux-arm64-gnu": "4.2.2",
         "@tanstack/react-query": "^5.90.5",
         "antd": "^5.29.3",
         "cesium": "^1.140.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "framer-motion": "^12.38.0",
-        "lightningcss-linux-arm64-gnu": "1.32.0",
         "next": "16.2.3",
         "react": "19.2.4",
         "react-dom": "19.2.4",
+        "react-markdown": "^10.1.0",
         "react-redux": "^9.3.0",
         "recharts": "^3.8.1",
         "reselect": "^5.2.0",
@@ -2633,11 +3844,6 @@
         "tailwindcss": "4.2.2"
       }
     },
-    "web/node_modules/@types/estree": {
-      "version": "1.0.8",
-      "dev": true,
-      "license": "MIT"
-    },
     "web/node_modules/@types/json-schema": {
       "version": "7.0.15",
       "dev": true,
@@ -2656,14 +3862,6 @@
         "undici-types": "~6.21.0"
       }
     },
-    "web/node_modules/@types/react": {
-      "version": "19.2.14",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "csstype": "^3.2.2"
-      }
-    },
     "web/node_modules/@types/react-dom": {
       "version": "19.2.3",
       "dev": true,
@@ -3439,22 +4637,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "web/node_modules/debug": {
-      "version": "4.4.3",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
-      }
-    },
     "web/node_modules/deep-is": {
       "version": "0.1.4",
       "dev": true,
@@ -5150,11 +6332,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "web/node_modules/ms": {
-      "version": "2.1.3",
-      "dev": true,
-      "license": "MIT"
-    },
     "web/node_modules/nanoid": {
       "version": "3.3.11",
       "funding": [
diff --git a/web/package.json b/web/package.json
index 5e070dc..34741ef 100644
--- a/web/package.json
+++ b/web/package.json
@@ -21,6 +21,7 @@
     "next": "16.2.3",
     "react": "19.2.4",
     "react-dom": "19.2.4",
+    "react-markdown": "^10.1.0",
     "react-redux": "^9.3.0",
     "recharts": "^3.8.1",
     "reselect": "^5.2.0",
diff --git a/web/src/app/admin/docs-view/page.tsx b/web/src/app/admin/docs-view/page.tsx
new file mode 100644
index 0000000..bc01c70
--- /dev/null
+++ b/web/src/app/admin/docs-view/page.tsx
@@ -0,0 +1,225 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import {
+  Card,
+  Col,
+  Empty,
+  Layout,
+  Menu,
+  Row,
+  Spin,
+  Typography,
+  theme,
+} from "antd";
+import {
+  FolderOutlined,
+  FileTextOutlined,
+} from "@ant-design/icons";
+import { useCallback, useState } from "react";
+import type { MenuProps } from "antd";
+import ReactMarkdown from "react-markdown";
+
+import { useAuth } from "@/components/auth-provider";
+import { readApiError } from "@/lib/api";
+import type {
+  Document,
+  DocumentChapterTreeItem,
+} from "@/types/document";
+
+const { Content, Sider } = Layout;
+const { Title, Paragraph } = Typography;
+
+type MenuItem = Required<MenuProps>["items"][number];
+
+export default function DocsViewPage() {
+  const { fetchWithAuth } = useAuth();
+  const { token } = theme.useToken();
+  const [selectedDocumentId, setSelectedDocumentId] = useState<number | null>(null);
+  const [collapsed, setCollapsed] = useState(false);
+
+  const { data: treeData, isLoading: treeLoading } = useQuery({
+    queryKey: ["/api/v1/documents/chapters/tree"],
+    queryFn: async () => {
+      const response = await fetchWithAuth("/api/v1/documents/chapters/tree");
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json() as Promise<DocumentChapterTreeItem[]>;
+    },
+  });
+
+  const { data: selectedDocument, isLoading: documentLoading } = useQuery({
+    queryKey: ["/api/v1/documents", selectedDocumentId],
+    queryFn: async () => {
+      if (!selectedDocumentId) return null;
+      const response = await fetchWithAuth(`/api/v1/documents/${selectedDocumentId}`);
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json() as Promise<Document>;
+    },
+    enabled: !!selectedDocumentId,
+  });
+
+  const convertToMenuItems = (chapters: DocumentChapterTreeItem[]): MenuItem[] => {
+    return chapters
+      .filter((chapter) => {
+        // Only show chapters with published documents or published children
+        const hasPublishedDocs = chapter.documents?.some((doc) => doc.status === "published");
+        const hasPublishedChildren = chapter.children?.some((child) =>
+          child.documents?.some((doc) => doc.status === "published")
+        );
+        return hasPublishedDocs || hasPublishedChildren;
+      })
+      .map((chapter) => {
+        const hasChildren = chapter.children && chapter.children.length > 0;
+        const publishedDocs = chapter.documents?.filter((doc) => doc.status === "published") || [];
+
+        const docItems: MenuItem[] = publishedDocs.map((doc) => ({
+          key: `doc-${doc.id}`,
+          icon: <FileTextOutlined />,
+          label: doc.title,
+        }));
+
+        const childItems = hasChildren ? convertToMenuItems(chapter.children) : [];
+
+        return {
+          key: `chapter-${chapter.id}`,
+          icon: <FolderOutlined />,
+          label: chapter.name,
+          children: [...docItems, ...childItems],
+        };
+      });
+  };
+
+  const handleMenuClick: MenuProps["onClick"] = (e) => {
+    if (e.key.startsWith("doc-")) {
+      const docId = parseInt(e.key.replace("doc-", ""), 10);
+      setSelectedDocumentId(docId);
+    }
+  };
+
+  // Auto-select first document on load
+  const selectFirstDocument = useCallback(() => {
+    if (!treeData || treeData.length === 0) return;
+
+    const findFirstPublishedDoc = (chapters: DocumentChapterTreeItem[]): Document | null => {
+      for (const chapter of chapters) {
+        const publishedDoc = chapter.documents?.find((doc) => doc.status === "published");
+        if (publishedDoc) return publishedDoc;
+
+        if (chapter.children) {
+          const childDoc = findFirstPublishedDoc(chapter.children);
+          if (childDoc) return childDoc;
+        }
+      }
+      return null;
+    };
+
+    const firstDoc = findFirstPublishedDoc(treeData);
+    if (firstDoc && !selectedDocumentId) {
+      setSelectedDocumentId(firstDoc.id);
+    }
+  }, [treeData, selectedDocumentId]);
+
+  useState(() => {
+    selectFirstDocument();
+  });
+
+  return (
+    <Layout style={{ minHeight: "calc(100vh - 64px)" }}>
+      <Sider
+        collapsible
+        collapsed={collapsed}
+        onCollapse={setCollapsed}
+        width={280}
+        style={{
+          background: token.colorBgContainer,
+          borderRight: `1px solid ${token.colorBorderSecondary}`,
+        }}
+      >
+        <div style={{ padding: "16px", borderBottom: `1px solid ${token.colorBorderSecondary}` }}>
+          <Title level={4} style={{ margin: 0 }}>
+            {!collapsed && "操作文档"}
+          </Title>
+        </div>
+        {treeLoading ? (
+          <div style={{ padding: "24px", textAlign: "center" }}>
+            <Spin />
+          </div>
+        ) : treeData && treeData.length > 0 ? (
+          <Menu
+            mode="inline"
+            items={convertToMenuItems(treeData)}
+            onClick={handleMenuClick}
+            selectedKeys={selectedDocumentId ? [`doc-${selectedDocumentId}`] : []}
+            style={{ borderRight: 0 }}
+          />
+        ) : (
+          <div style={{ padding: "24px" }}>
+            <Empty description="暂无文档" />
+          </div>
+        )}
+      </Sider>
+      <Layout>
+        <Content style={{ padding: "24px", background: token.colorBgContainer }}>
+          {documentLoading ? (
+            <div style={{ textAlign: "center", padding: "48px" }}>
+              <Spin size="large" />
+            </div>
+          ) : selectedDocument ? (
+            <Card>
+              <Title level={2}>{selectedDocument.title}</Title>
+              <div
+                style={{
+                  marginTop: "24px",
+                  lineHeight: "1.8",
+                  fontSize: "15px",
+                }}
+              >
+                <ReactMarkdown
+                  components={{
+                    h1: ({ children }) => <Title level={2}>{children}</Title>,
+                    h2: ({ children }) => <Title level={3}>{children}</Title>,
+                    h3: ({ children }) => <Title level={4}>{children}</Title>,
+                    h4: ({ children }) => <Title level={5}>{children}</Title>,
+                    p: ({ children }) => <Paragraph>{children}</Paragraph>,
+                    code: ({ children, className }) => {
+                      const isBlock = className?.includes("language-");
+                      return isBlock ? (
+                        <pre
+                          style={{
+                            background: token.colorBgLayout,
+                            padding: "12px",
+                            borderRadius: "4px",
+                            overflow: "auto",
+                          }}
+                        >
+                          <code>{children}</code>
+                        </pre>
+                      ) : (
+                        <code
+                          style={{
+                            background: token.colorBgLayout,
+                            padding: "2px 6px",
+                            borderRadius: "3px",
+                            fontFamily: "monospace",
+                          }}
+                        >
+                          {children}
+                        </code>
+                      );
+                    },
+                  }}
+                >
+                  {selectedDocument.content}
+                </ReactMarkdown>
+              </div>
+            </Card>
+          ) : (
+            <div style={{ textAlign: "center", padding: "48px" }}>
+              <Empty description="请从左侧目录选择要查看的文档" />
+            </div>
+          )}
+        </Content>
+      </Layout>
+    </Layout>
+  );
+}
diff --git a/web/src/app/admin/documents/page.tsx b/web/src/app/admin/documents/page.tsx
new file mode 100644
index 0000000..244494d
--- /dev/null
+++ b/web/src/app/admin/documents/page.tsx
@@ -0,0 +1,562 @@
+"use client";
+
+import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import {
+  Button,
+  Card,
+  Col,
+  Drawer,
+  Empty,
+  Form,
+  Input,
+  InputNumber,
+  Modal,
+  Popconfirm,
+  Row,
+  Select,
+  Space,
+  Spin,
+  Table,
+  Tag,
+  Tree,
+  Typography,
+  message,
+} from "antd";
+import {
+  EditOutlined,
+  DeleteOutlined,
+  PlusOutlined,
+  FolderOutlined,
+  FileTextOutlined,
+} from "@ant-design/icons";
+import type { ColumnsType } from "antd/es/table";
+import { useCallback, useEffect, useState } from "react";
+import type { DataNode } from "antd/es/tree";
+
+import { useAuth } from "@/components/auth-provider";
+import { readApiError } from "@/lib/api";
+import type {
+  Document,
+  DocumentChapter,
+  DocumentChapterCreateRequest,
+  DocumentChapterTreeItem,
+  DocumentChapterUpdateRequest,
+  DocumentCreateRequest,
+  DocumentListResponse,
+  DocumentUpdateRequest,
+} from "@/types/document";
+
+const { TextArea } = Input;
+const { Title } = Typography;
+
+type ChapterFormValues = {
+  name: string;
+  description?: string;
+  parent_id?: number;
+  sort_order: number;
+};
+
+type DocumentFormValues = {
+  title: string;
+  content: string;
+  chapter_id?: number;
+  sort_order: number;
+  status: "draft" | "published";
+};
+
+export default function AdminDocumentsPage() {
+  const { fetchWithAuth } = useAuth();
+  const queryClient = useQueryClient();
+
+  const [chapterDialogOpen, setChapterDialogOpen] = useState(false);
+  const [documentDrawerOpen, setDocumentDrawerOpen] = useState(false);
+  const [editingChapterId, setEditingChapterId] = useState<number | null>(null);
+  const [editingDocumentId, setEditingDocumentId] = useState<number | null>(null);
+  const [selectedChapterId, setSelectedChapterId] = useState<number | null>(null);
+  const [expandedKeys, setExpandedKeys] = useState<React.Key[]>([]);
+
+  const [chapterForm] = Form.useForm<ChapterFormValues>();
+  const [documentForm] = Form.useForm<DocumentFormValues>();
+
+  const { data: treeData, isLoading: treeLoading } = useQuery({
+    queryKey: ["/api/v1/documents/chapters/tree"],
+    queryFn: async () => {
+      const response = await fetchWithAuth("/api/v1/documents/chapters/tree");
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json() as Promise<DocumentChapterTreeItem[]>;
+    },
+  });
+
+  const { data: documentsData, isLoading: documentsLoading } = useQuery({
+    queryKey: ["/api/v1/documents", selectedChapterId],
+    queryFn: async () => {
+      const params = new URLSearchParams();
+      if (selectedChapterId !== null) {
+        params.set("chapter_id", String(selectedChapterId));
+      }
+      params.set("limit", "200");
+      const response = await fetchWithAuth(`/api/v1/documents?${params}`);
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json() as Promise<DocumentListResponse>;
+    },
+  });
+
+  const createChapterMutation = useMutation({
+    mutationFn: async (payload: DocumentChapterCreateRequest) => {
+      const response = await fetchWithAuth("/api/v1/documents/chapters", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify(payload),
+      });
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json();
+    },
+    onSuccess: () => {
+      message.success("章节创建成功");
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents/chapters/tree"] });
+      setChapterDialogOpen(false);
+      chapterForm.resetFields();
+    },
+    onError: (error: Error) => {
+      message.error(`创建失败: ${error.message}`);
+    },
+  });
+
+  const updateChapterMutation = useMutation({
+    mutationFn: async ({
+      id,
+      payload,
+    }: {
+      id: number;
+      payload: DocumentChapterUpdateRequest;
+    }) => {
+      const response = await fetchWithAuth(`/api/v1/documents/chapters/${id}`, {
+        method: "PATCH",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify(payload),
+      });
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json();
+    },
+    onSuccess: () => {
+      message.success("章节更新成功");
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents/chapters/tree"] });
+      setChapterDialogOpen(false);
+      setEditingChapterId(null);
+      chapterForm.resetFields();
+    },
+    onError: (error: Error) => {
+      message.error(`更新失败: ${error.message}`);
+    },
+  });
+
+  const deleteChapterMutation = useMutation({
+    mutationFn: async (id: number) => {
+      const response = await fetchWithAuth(`/api/v1/documents/chapters/${id}`, {
+        method: "DELETE",
+      });
+      if (!response.ok) throw new Error(await readApiError(response));
+    },
+    onSuccess: () => {
+      message.success("章节删除成功");
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents/chapters/tree"] });
+    },
+    onError: (error: Error) => {
+      message.error(`删除失败: ${error.message}`);
+    },
+  });
+
+  const createDocumentMutation = useMutation({
+    mutationFn: async (payload: DocumentCreateRequest) => {
+      const response = await fetchWithAuth("/api/v1/documents", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify(payload),
+      });
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json();
+    },
+    onSuccess: () => {
+      message.success("文档创建成功");
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents"] });
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents/chapters/tree"] });
+      setDocumentDrawerOpen(false);
+      documentForm.resetFields();
+    },
+    onError: (error: Error) => {
+      message.error(`创建失败: ${error.message}`);
+    },
+  });
+
+  const updateDocumentMutation = useMutation({
+    mutationFn: async ({
+      id,
+      payload,
+    }: {
+      id: number;
+      payload: DocumentUpdateRequest;
+    }) => {
+      const response = await fetchWithAuth(`/api/v1/documents/${id}`, {
+        method: "PATCH",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify(payload),
+      });
+      if (!response.ok) throw new Error(await readApiError(response));
+      return response.json();
+    },
+    onSuccess: () => {
+      message.success("文档更新成功");
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents"] });
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents/chapters/tree"] });
+      setDocumentDrawerOpen(false);
+      setEditingDocumentId(null);
+      documentForm.resetFields();
+    },
+    onError: (error: Error) => {
+      message.error(`更新失败: ${error.message}`);
+    },
+  });
+
+  const deleteDocumentMutation = useMutation({
+    mutationFn: async (id: number) => {
+      const response = await fetchWithAuth(`/api/v1/documents/${id}`, {
+        method: "DELETE",
+      });
+      if (!response.ok) throw new Error(await readApiError(response));
+    },
+    onSuccess: () => {
+      message.success("文档删除成功");
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents"] });
+      queryClient.invalidateQueries({ queryKey: ["/api/v1/documents/chapters/tree"] });
+    },
+    onError: (error: Error) => {
+      message.error(`删除失败: ${error.message}`);
+    },
+  });
+
+  const handleCreateChapter = () => {
+    setEditingChapterId(null);
+    chapterForm.resetFields();
+    setChapterDialogOpen(true);
+  };
+
+  const handleEditChapter = (chapter: DocumentChapter) => {
+    setEditingChapterId(chapter.id);
+    chapterForm.setFieldsValue({
+      name: chapter.name,
+      description: chapter.description || "",
+      parent_id: chapter.parent_id || undefined,
+      sort_order: chapter.sort_order,
+    });
+    setChapterDialogOpen(true);
+  };
+
+  const handleChapterFormSubmit = async () => {
+    try {
+      const values = await chapterForm.validateFields();
+      if (editingChapterId) {
+        updateChapterMutation.mutate({ id: editingChapterId, payload: values });
+      } else {
+        createChapterMutation.mutate(values);
+      }
+    } catch (error) {
+      console.error("Form validation failed:", error);
+    }
+  };
+
+  const handleCreateDocument = () => {
+    setEditingDocumentId(null);
+    documentForm.resetFields();
+    if (selectedChapterId !== null) {
+      documentForm.setFieldValue("chapter_id", selectedChapterId);
+    }
+    setDocumentDrawerOpen(true);
+  };
+
+  const handleEditDocument = (document: Document) => {
+    setEditingDocumentId(document.id);
+    documentForm.setFieldsValue({
+      title: document.title,
+      content: document.content,
+      chapter_id: document.chapter_id || undefined,
+      sort_order: document.sort_order,
+      status: document.status,
+    });
+    setDocumentDrawerOpen(true);
+  };
+
+  const handleDocumentFormSubmit = async () => {
+    try {
+      const values = await documentForm.validateFields();
+      if (editingDocumentId) {
+        updateDocumentMutation.mutate({ id: editingDocumentId, payload: values });
+      } else {
+        createDocumentMutation.mutate(values);
+      }
+    } catch (error) {
+      console.error("Form validation failed:", error);
+    }
+  };
+
+  const convertToTreeData = (chapters: DocumentChapterTreeItem[]): DataNode[] => {
+    return chapters.map((chapter) => ({
+      key: `chapter-${chapter.id}`,
+      title: (
+        <Space>
+          <FolderOutlined />
+          <span>{chapter.name}</span>
+          <span style={{ color: "#999", fontSize: "12px" }}>
+            ({chapter.documents?.length || 0})
+          </span>
+        </Space>
+      ),
+      children: chapter.children ? convertToTreeData(chapter.children) : [],
+    }));
+  };
+
+  const columns: ColumnsType<Document> = [
+    {
+      title: "标题",
+      dataIndex: "title",
+      key: "title",
+    },
+    {
+      title: "状态",
+      dataIndex: "status",
+      key: "status",
+      width: 100,
+      render: (status: string) => (
+        <Tag color={status === "published" ? "green" : "orange"}>
+          {status === "published" ? "已发布" : "草稿"}
+        </Tag>
+      ),
+    },
+    {
+      title: "排序",
+      dataIndex: "sort_order",
+      key: "sort_order",
+      width: 80,
+    },
+    {
+      title: "操作",
+      key: "action",
+      width: 150,
+      render: (_, record) => (
+        <Space>
+          <Button
+            type="link"
+            size="small"
+            icon={<EditOutlined />}
+            onClick={() => handleEditDocument(record)}
+          >
+            编辑
+          </Button>
+          <Popconfirm
+            title="确认删除？"
+            onConfirm={() => deleteDocumentMutation.mutate(record.id)}
+          >
+            <Button type="link" size="small" danger icon={<DeleteOutlined />}>
+              删除
+            </Button>
+          </Popconfirm>
+        </Space>
+      ),
+    },
+  ];
+
+  const flattenChapters = (chapters: DocumentChapterTreeItem[]): DocumentChapter[] => {
+    const result: DocumentChapter[] = [];
+    const traverse = (items: DocumentChapterTreeItem[]) => {
+      items.forEach((item) => {
+        result.push(item);
+        if (item.children) {
+          traverse(item.children);
+        }
+      });
+    };
+    traverse(chapters);
+    return result;
+  };
+
+  return (
+    <div style={{ padding: "24px" }}>
+      <Title level={3}>文档管理</Title>
+      <Row gutter={16}>
+        <Col span={6}>
+          <Card
+            title="章节目录"
+            extra={
+              <Button
+                type="primary"
+                size="small"
+                icon={<PlusOutlined />}
+                onClick={handleCreateChapter}
+              >
+                新建章节
+              </Button>
+            }
+            style={{ height: "calc(100vh - 180px)", overflow: "auto" }}
+          >
+            {treeLoading ? (
+              <Spin />
+            ) : treeData && treeData.length > 0 ? (
+              <Tree
+                showLine
+                defaultExpandAll
+                expandedKeys={expandedKeys}
+                onExpand={(keys) => setExpandedKeys(keys)}
+                treeData={convertToTreeData(treeData)}
+                onSelect={(keys) => {
+                  if (keys.length > 0) {
+                    const key = keys[0] as string;
+                    if (key.startsWith("chapter-")) {
+                      const id = parseInt(key.replace("chapter-", ""), 10);
+                      setSelectedChapterId(id);
+                    }
+                  } else {
+                    setSelectedChapterId(null);
+                  }
+                }}
+              />
+            ) : (
+              <Empty description="暂无章节" />
+            )}
+          </Card>
+        </Col>
+        <Col span={18}>
+          <Card
+            title={selectedChapterId ? "章节文档" : "全部文档"}
+            extra={
+              <Button
+                type="primary"
+                icon={<PlusOutlined />}
+                onClick={handleCreateDocument}
+              >
+                新建文档
+              </Button>
+            }
+          >
+            <Table
+              dataSource={documentsData?.items || []}
+              columns={columns}
+              rowKey="id"
+              loading={documentsLoading}
+              pagination={{ pageSize: 20 }}
+            />
+          </Card>
+        </Col>
+      </Row>
+
+      <Modal
+        title={editingChapterId ? "编辑章节" : "新建章节"}
+        open={chapterDialogOpen}
+        onOk={handleChapterFormSubmit}
+        onCancel={() => {
+          setChapterDialogOpen(false);
+          setEditingChapterId(null);
+          chapterForm.resetFields();
+        }}
+        confirmLoading={
+          createChapterMutation.isPending || updateChapterMutation.isPending
+        }
+      >
+        <Form form={chapterForm} layout="vertical" style={{ marginTop: 16 }}>
+          <Form.Item
+            name="name"
+            label="章节名称"
+            rules={[{ required: true, message: "请输入章节名称" }]}
+          >
+            <Input placeholder="请输入章节名称" />
+          </Form.Item>
+          <Form.Item name="description" label="描述">
+            <TextArea rows={3} placeholder="请输入描述" />
+          </Form.Item>
+          <Form.Item name="parent_id" label="父章节">
+            <Select placeholder="选择父章节（可选）" allowClear>
+              {treeData &&
+                flattenChapters(treeData)
+                  .filter((c) => c.id !== editingChapterId)
+                  .map((chapter) => (
+                    <Select.Option key={chapter.id} value={chapter.id}>
+                      {chapter.name}
+                    </Select.Option>
+                  ))}
+            </Select>
+          </Form.Item>
+          <Form.Item name="sort_order" label="排序" initialValue={0}>
+            <InputNumber min={0} style={{ width: "100%" }} />
+          </Form.Item>
+        </Form>
+      </Modal>
+
+      <Drawer
+        title={editingDocumentId ? "编辑文档" : "新建文档"}
+        width={720}
+        open={documentDrawerOpen}
+        onClose={() => {
+          setDocumentDrawerOpen(false);
+          setEditingDocumentId(null);
+          documentForm.resetFields();
+        }}
+        extra={
+          <Space>
+            <Button
+              onClick={() => {
+                setDocumentDrawerOpen(false);
+                setEditingDocumentId(null);
+                documentForm.resetFields();
+              }}
+            >
+              取消
+            </Button>
+            <Button
+              type="primary"
+              onClick={handleDocumentFormSubmit}
+              loading={
+                createDocumentMutation.isPending || updateDocumentMutation.isPending
+              }
+            >
+              保存
+            </Button>
+          </Space>
+        }
+      >
+        <Form form={documentForm} layout="vertical">
+          <Form.Item
+            name="title"
+            label="文档标题"
+            rules={[{ required: true, message: "请输入文档标题" }]}
+          >
+            <Input placeholder="请输入文档标题" />
+          </Form.Item>
+          <Form.Item
+            name="content"
+            label="文档内容"
+            rules={[{ required: true, message: "请输入文档内容" }]}
+          >
+            <TextArea rows={15} placeholder="请输入文档内容，支持 Markdown 格式" />
+          </Form.Item>
+          <Form.Item name="chapter_id" label="所属章节">
+            <Select placeholder="选择所属章节（可选）" allowClear>
+              {treeData &&
+                flattenChapters(treeData).map((chapter) => (
+                  <Select.Option key={chapter.id} value={chapter.id}>
+                    {chapter.name}
+                  </Select.Option>
+                ))}
+            </Select>
+          </Form.Item>
+          <Form.Item name="status" label="状态" initialValue="draft">
+            <Select>
+              <Select.Option value="draft">草稿</Select.Option>
+              <Select.Option value="published">已发布</Select.Option>
+            </Select>
+          </Form.Item>
+          <Form.Item name="sort_order" label="排序" initialValue={0}>
+            <InputNumber min={0} style={{ width: "100%" }} />
+          </Form.Item>
+        </Form>
+      </Drawer>
+    </div>
+  );
+}
diff --git a/web/src/types/document.ts b/web/src/types/document.ts
new file mode 100644
index 0000000..e83c07c
--- /dev/null
+++ b/web/src/types/document.ts
@@ -0,0 +1,65 @@
+export interface DocumentChapter {
+  id: number;
+  name: string;
+  description: string | null;
+  parent_id: number | null;
+  sort_order: number;
+  created_at: string;
+  updated_at: string;
+}
+
+export interface DocumentChapterTreeItem extends DocumentChapter {
+  children: DocumentChapterTreeItem[];
+  documents: Document[];
+}
+
+export interface DocumentChapterListResponse {
+  items: DocumentChapter[];
+  total: number;
+}
+
+export interface DocumentChapterCreateRequest {
+  name: string;
+  description?: string | null;
+  parent_id?: number | null;
+  sort_order?: number;
+}
+
+export interface DocumentChapterUpdateRequest {
+  name?: string;
+  description?: string | null;
+  parent_id?: number | null;
+  sort_order?: number;
+}
+
+export interface Document {
+  id: number;
+  title: string;
+  content: string;
+  chapter_id: number | null;
+  sort_order: number;
+  status: "draft" | "published";
+  created_at: string;
+  updated_at: string;
+}
+
+export interface DocumentListResponse {
+  items: Document[];
+  total: number;
+}
+
+export interface DocumentCreateRequest {
+  title: string;
+  content: string;
+  chapter_id?: number | null;
+  sort_order?: number;
+  status?: "draft" | "published";
+}
+
+export interface DocumentUpdateRequest {
+  title?: string;
+  content?: string;
+  chapter_id?: number | null;
+  sort_order?: number;
+  status?: "draft" | "published";
+}