chore(deps): bump python-multipart in the uv group across 1 directory (#121)

Bumps the uv group with 1 update in the / directory: [python-multipart](https://github.com/Kludex/python-multipart).


Updates `python-multipart` from 0.0.26 to 0.0.27
- [Release notes](https://github.com/Kludex/python-multipart/releases)
- [Changelog](https://github.com/Kludex/python-multipart/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Kludex/python-multipart/compare/0.0.26...0.0.27)

---
updated-dependencies:
- dependency-name: python-multipart
  dependency-version: 0.0.27
  dependency-type: direct:production
  dependency-group: uv
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release-drafter.yml

@@ -1,6 +1,9 @@
 name: Release Drafter
 
 on:
+  push:
+    branches:
+      - main
   workflow_dispatch:
 
 jobs:
@@ -10,8 +13,119 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: release-drafter/release-drafter@v6
+      - id: drafter
+        uses: release-drafter/release-drafter@v6
         with:
           config-name: release-drafter.yml
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Add direct commits
+        if: steps.drafter.outputs.id != ''
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          RELEASE_ID: ${{ steps.drafter.outputs.id }}
+          HEAD_SHA: ${{ github.sha }}
+        run: |
+          set -euo pipefail
+
+          latest_tag="$(gh api "repos/${GITHUB_REPOSITORY}/releases/latest" --jq '.tag_name' 2>/dev/null || true)"
+
+          if [ -n "$latest_tag" ]; then
+            commits_json="$(gh api "repos/${GITHUB_REPOSITORY}/compare/${latest_tag}...${HEAD_SHA}" --jq '.commits')"
+          else
+            commits_json="$(gh api "repos/${GITHUB_REPOSITORY}/commits?sha=${HEAD_SHA}&per_page=100")"
+          fi
+
+          direct_commits="$(mktemp)"
+          printf '%s\n' "$commits_json" \
+            | jq -r '.[] | [.sha, (.commit.message | split("\n")[0]), (.author.login // .commit.author.name)] | @tsv' \
+            > "$direct_commits"
+
+          features=()
+          fixes=()
+          refactors=()
+          docs=()
+          maintenance=()
+
+          while IFS=$'\t' read -r sha subject author; do
+            if [[ -z "$sha" || "$subject" =~ ^Merge[[:space:]] ]]; then
+              continue
+            fi
+
+            prs="$(gh api \
+              -H "Accept: application/vnd.github+json" \
+              "repos/${GITHUB_REPOSITORY}/commits/${sha}/pulls" \
+              --jq 'length')"
+
+            if [ "$prs" -gt 0 ]; then
+              continue
+            fi
+
+            short_sha="${sha:0:7}"
+            line="- ${short_sha} ${subject} @${author}"
+            type="${subject%%:*}"
+            type="${type%%(*}"
+            type="${type%!}"
+
+            if [ "$type" = "feat" ]; then
+              features+=("$line")
+            elif [ "$type" = "fix" ]; then
+              fixes+=("$line")
+            elif [ "$type" = "refactor" ]; then
+              refactors+=("$line")
+            elif [ "$type" = "docs" ]; then
+              docs+=("$line")
+            elif [[ "$type" = "chore" || "$type" = "ci" || "$type" = "build" ]]; then
+              maintenance+=("$line")
+            fi
+          done < "$direct_commits"
+
+          direct_notes="$(mktemp)"
+          {
+            echo "## Direct Commits"
+            echo
+
+            if [ "${#features[@]}" -gt 0 ]; then
+              echo "### 🚀 Features"
+              printf '%s\n' "${features[@]}"
+              echo
+            fi
+
+            if [ "${#fixes[@]}" -gt 0 ]; then
+              echo "### 🐛 Bug Fixes"
+              printf '%s\n' "${fixes[@]}"
+              echo
+            fi
+
+            if [ "${#refactors[@]}" -gt 0 ]; then
+              echo "### 📦 Code Refactoring"
+              printf '%s\n' "${refactors[@]}"
+              echo
+            fi
+
+            if [ "${#docs[@]}" -gt 0 ]; then
+              echo "### 📄 Documentation"
+              printf '%s\n' "${docs[@]}"
+              echo
+            fi
+
+            if [ "${#maintenance[@]}" -gt 0 ]; then
+              echo "### 🧰 Maintenance"
+              printf '%s\n' "${maintenance[@]}"
+              echo
+            fi
+          } > "$direct_notes"
+
+          if [ "$(wc -l < "$direct_notes")" -le 2 ]; then
+            exit 0
+          fi
+
+          body="$(gh api "repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}" --jq '.body')"
+          body_without_direct="$(printf '%s\n' "$body" | sed '/^## Direct Commits$/,$d')"
+          new_body="$(printf '%s\n\n%s\n' "$body_without_direct" "$(cat "$direct_notes")")"
+
+          gh api \
+            --method PATCH \
+            "repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}" \
+            -f body="$new_body"

api/response.py

@@ -9,7 +9,25 @@ def success(data: Any = None, msg: str = "ok", code: int = 0):
 def page(items: list[Any], total: int, page: int, page_size: int):
     """统一分页数据结构。"""
     pages = (total + page_size - 1) // page_size if page_size else 0
-    return {"items": items, "total": total, "page": page, "page_size": page_size, "pages": pages}
+    return {"items": items, "total": total, "page": page, "page_size": page_size, "pages": pages, "pagination_mode": "paged"}
+
+
+def cursor_page(
+    items: list[Any],
+    page_size: int,
+    *,
+    cursor: str | None = None,
+    next_cursor: str | None = None,
+):
+    """无总数游标分页结构。"""
+    return {
+        "items": items,
+        "page_size": page_size,
+        "pagination_mode": "cursor",
+        "cursor": cursor,
+        "next_cursor": next_cursor,
+        "has_next": bool(next_cursor),
+    }
 
 
 def error(msg: str, code: int = 1, data: Optional[Any] = None):

api/routers.py

@@ -6,6 +6,7 @@ from domain.backup import api as backup
 from domain.config import api as config
 from domain.email import api as email
 from domain.offline_downloads import api as offline_downloads
+from domain.notices import api as notices
 from domain.plugins import api as plugins
 from domain.processors import api as processors
 from domain.share import api as share
@@ -19,12 +20,14 @@ from domain.audit import api as audit
 from domain.permission import api as permission
 from domain.user import api as user
 from domain.role import api as role
+from domain.recent_files import api as recent_files
 
 
 def include_routers(app: FastAPI):
     app.include_router(adapters.router)
     app.include_router(search_api.router)
     app.include_router(virtual_fs.router)
+    app.include_router(recent_files.router)
     app.include_router(auth.router)
     app.include_router(config.router)
     app.include_router(processors.router)
@@ -39,6 +42,7 @@ def include_routers(app: FastAPI):
     app.include_router(webdav_api.router)
     app.include_router(s3_api.router)
     app.include_router(offline_downloads.router)
+    app.include_router(notices.router)
     app.include_router(email.router)
     app.include_router(audit.router)
     app.include_router(permission.router)

domain/adapters/api.py

@@ -51,6 +51,29 @@ async def available_adapter_types(
     return success(data)
 
 
+@router.get("/usage")
+@audit(action=AuditAction.READ, description="获取适配器容量使用情况")
+@require_system_permission(AdapterPermission.LIST)
+async def list_adapter_usages(
+    request: Request,
+    current_user: Annotated[User, Depends(get_current_active_user)]
+):
+    usages = await AdapterService.list_adapter_usages()
+    return success(usages)
+
+
+@router.get("/{adapter_id}/usage")
+@audit(action=AuditAction.READ, description="获取单个适配器容量使用情况")
+@require_system_permission(AdapterPermission.LIST)
+async def get_adapter_usage(
+    request: Request,
+    adapter_id: int,
+    current_user: Annotated[User, Depends(get_current_active_user)]
+):
+    usage = await AdapterService.get_adapter_usage(adapter_id)
+    return success(usage)
+
+
 @router.get("/{adapter_id}")
 @audit(action=AuditAction.READ, description="获取适配器详情")
 @require_system_permission(AdapterPermission.LIST)

domain/adapters/providers/base.py

@@ -1,4 +1,4 @@
-from typing import List, Dict, Protocol, runtime_checkable, Tuple, AsyncIterator
+from typing import List, Dict, Protocol, runtime_checkable, Tuple, AsyncIterator, Any
 from models import StorageAdapter
 
 # 约定：任意新适配器模块需定义:
@@ -9,7 +9,7 @@ from models import StorageAdapter
 @runtime_checkable
 class BaseAdapter(Protocol):
     record: StorageAdapter
-    async def list_dir(self, root: str, rel: str, page_num: int = 1, page_size: int = 50, sort_by: str = "name", sort_order: str = "asc") -> Tuple[List[Dict], int]: ...
+    async def list_dir(self, root: str, rel: str, page_num: int = 1, page_size: int = 50, sort_by: str = "name", sort_order: str = "asc", cursor: str | None = None) -> Tuple[List[Dict], int] | Dict[str, Any]: ...
     async def read_file(self, root: str, rel: str) -> bytes: ...
     async def write_file(self, root: str, rel: str, data: bytes): ...
     async def write_file_stream(self, root: str, rel: str, data_iter: AsyncIterator[bytes]): ... 
@@ -21,3 +21,8 @@ class BaseAdapter(Protocol):
     async def stream_file(self, root: str, rel: str, range_header: str | None): ...
     async def stat_file(self, root: str, rel: str): ...
     def get_effective_root(self, sub_path: str | None) -> str: ...
+
+
+@runtime_checkable
+class UsageCapableAdapter(Protocol):
+    async def get_usage(self, root: str) -> Dict: ...

domain/adapters/providers/dropbox.py

@@ -455,6 +455,23 @@ class DropboxAdapter:
 
         return StreamingResponse(iterator(), status_code=resp.status_code, headers=out_headers, media_type=content_type)
 
+    async def get_usage(self, root: str):
+        resp = await self._api_json("/users/get_space_usage", {})
+        resp.raise_for_status()
+        payload = resp.json() or {}
+        allocation = payload.get("allocation") or {}
+        allocated = allocation.get("allocated")
+        used = payload.get("used")
+        total = int(allocated) if allocated is not None else None
+        used_bytes = int(used) if used is not None else None
+        return {
+            "used_bytes": used_bytes,
+            "total_bytes": total,
+            "free_bytes": total - used_bytes if total is not None and used_bytes is not None else None,
+            "source": "dropbox",
+            "scope": "account",
+        }
+
 
 ADAPTER_TYPE = "dropbox"
 CONFIG_SCHEMA = [
@@ -468,4 +485,3 @@ CONFIG_SCHEMA = [
 
 
 def ADAPTER_FACTORY(rec): return DropboxAdapter(rec)
-

domain/adapters/providers/googledrive.py

@@ -541,6 +541,22 @@ class GoogleDriveAdapter:
         except Exception:
             return None
 
+    async def get_usage(self, root: str):
+        resp = await self._request("GET", "/about", params={"fields": "storageQuota"})
+        resp.raise_for_status()
+        quota = (resp.json() or {}).get("storageQuota") or {}
+        limit = quota.get("limit")
+        usage = quota.get("usage")
+        total = int(limit) if limit is not None else None
+        used = int(usage) if usage is not None else None
+        return {
+            "used_bytes": used,
+            "total_bytes": total,
+            "free_bytes": total - used if total is not None and used is not None else None,
+            "source": "googledrive",
+            "scope": "drive",
+        }
+
 
 ADAPTER_TYPE = "googledrive"
 

domain/adapters/providers/local.py

@@ -329,6 +329,29 @@ class LocalAdapter:
             info["exif"] = exif
         return info
 
+    async def get_usage(self, root: str):
+        root_path = Path(root).resolve()
+
+        def _usage():
+            used = 0
+            for dirpath, dirnames, filenames in os.walk(root_path):
+                for filename in filenames:
+                    fp = Path(dirpath) / filename
+                    try:
+                        used += fp.stat().st_size
+                    except OSError:
+                        continue
+            disk = shutil.disk_usage(root_path)
+            return {
+                "used_bytes": used,
+                "total_bytes": disk.total,
+                "free_bytes": disk.free,
+                "source": "local",
+                "scope": "mount",
+            }
+
+        return await asyncio.to_thread(_usage)
+
 
 ADAPTER_TYPE = "local"
 CONFIG_SCHEMA = [

domain/adapters/providers/onedrive.py

@@ -4,6 +4,7 @@ import httpx
 from fastapi.responses import StreamingResponse, Response
 from fastapi import HTTPException
 from models import StorageAdapter
+from api.response import cursor_page
 
 MS_GRAPH_URL = "https://graph.microsoft.com/v1.0"
 MS_OAUTH_URL = "https://login.microsoftonline.com/common/oauth2/v2.0/token"
@@ -114,65 +115,51 @@ class OneDriveAdapter:
             "type": "dir" if is_dir else "file",
         }
 
-    async def list_dir(self, root: str, rel: str, page_num: int = 1, page_size: int = 50, sort_by: str = "name", sort_order: str = "asc") -> Tuple[List[Dict], int]:
+    async def list_dir(
+        self,
+        root: str,
+        rel: str,
+        page_num: int = 1,
+        page_size: int = 50,
+        sort_by: str = "name",
+        sort_order: str = "asc",
+        cursor: str | None = None,
+    ):
         """
         列出目录内容。
-        由于 Graph API 不支持基于偏移($skip)的分页，此方法将获取所有项目，
+        Graph API 不提供目录总数，使用 nextLink 游标分页。
         :param root: 根路径 (在此适配器中未使用，通过配置的 root 确定)。
         :param rel: 相对路径。
         :param page_num: 页码。
         :param page_size: 每页大小。
         :param sort_by: 排序字段
         :param sort_order: 排序顺序
-        :return: 文件/目录列表和总数。
+        :param cursor: Graph nextLink。
+        :return: 游标分页结果。
         """
-        api_path = self._get_api_path(rel)
-        children_path = f"{api_path}:/children" if api_path else "/children"
-        all_items = []
-        params = {"$top": 999}
-        resp = await self._request("GET", api_path_segment=children_path, params=params)
+        if cursor:
+            resp = await self._request("GET", full_url=cursor)
+        else:
+            api_path = self._get_api_path(rel)
+            children_path = f"{api_path}:/children" if api_path else "/children"
+            resp = await self._request("GET", api_path_segment=children_path, params={"$top": page_size})
 
-        while True:
-            if resp.status_code == 404 and not all_items:
-                return [], 0
-            resp.raise_for_status()
+        if resp.status_code == 404:
+            return cursor_page([], page_size, cursor=cursor)
+        resp.raise_for_status()
 
-            try:
-                data = resp.json()
-            except Exception as e:
-                raise IOError(f"解析 Graph API 响应失败: {e}") from e
+        try:
+            data = resp.json()
+        except Exception as e:
+            raise IOError(f"解析 Graph API 响应失败: {e}") from e
 
-            all_items.extend(data.get("value", []))
-            next_link = data.get("@odata.nextLink")
-
-            if not next_link:
-                break
-
-            resp = await self._request("GET", full_url=next_link)
-
-        formatted_items = [self._format_item(item) for item in all_items]
-        
-        # 排序
-        reverse = sort_order.lower() == "desc"
-        def get_sort_key(item):
-            key = (not item["is_dir"],)
-            sort_field = sort_by.lower()
-            if sort_field == "name":
-                key += (item["name"].lower(),)
-            elif sort_field == "size":
-                key += (item["size"],)
-            elif sort_field == "mtime":
-                key += (item["mtime"],)
-            else:
-                key += (item["name"].lower(),)
-            return key
-        formatted_items.sort(key=get_sort_key, reverse=reverse)
-
-        total_count = len(formatted_items)
-        start_idx = (page_num - 1) * page_size
-        end_idx = start_idx + page_size
-
-        return formatted_items[start_idx:end_idx], total_count
+        formatted_items = [self._format_item(item) for item in data.get("value", [])]
+        return cursor_page(
+            formatted_items,
+            page_size,
+            cursor=cursor,
+            next_cursor=data.get("@odata.nextLink"),
+        )
 
     async def read_file(self, root: str, rel: str) -> bytes:
         """
@@ -443,6 +430,21 @@ class OneDriveAdapter:
         resp.raise_for_status()
         return self._format_item(resp.json())
 
+    async def get_usage(self, root: str):
+        resp = await self._request("GET", full_url=f"{MS_GRAPH_URL}/me/drive?$select=quota")
+        resp.raise_for_status()
+        quota = (resp.json() or {}).get("quota") or {}
+        used = quota.get("used")
+        total = quota.get("total")
+        remaining = quota.get("remaining")
+        return {
+            "used_bytes": int(used) if used is not None else None,
+            "total_bytes": int(total) if total is not None else None,
+            "free_bytes": int(remaining) if remaining is not None else None,
+            "source": "onedrive",
+            "scope": "drive",
+        }
+
 
 ADAPTER_TYPE = "onedrive"
 

domain/adapters/providers/pikpak.py

@@ -13,8 +13,9 @@ from models import StorageAdapter
 from .base import BaseAdapter
 
 
-API_BASE = "https://api-drive.mypikpak.net/drive/v1"
-USER_BASE = "https://user.mypikpak.net/v1"
+API_BASE = "https://api-drive.mypikpak.com/drive/v1"
+USER_BASE = "https://user.mypikpak.com/v1"
+TOKEN_REFRESH_BUFFER = 300
 
 ANDROID_ALGORITHMS = [
     "SOP04dGzk0TNO7t7t9ekDbAmx+eq0OI1ovEx",
@@ -62,11 +63,11 @@ PLATFORM_CONFIG = {
     "android": {
         "client_id": "YNxT9w7GMdWvEOKa",
         "client_secret": "dbw2OtmVEeuUvIptb1Coyg",
-        "client_version": "1.53.2",
+        "client_version": "1.21.0",
         "package_name": "com.pikcloud.pikpak",
         "sdk_version": "2.0.6.206003",
         "algorithms": ANDROID_ALGORITHMS,
-        "ua": None,
+        "ua": "ANDROID-com.pikcloud.pikpak/1.21.0",
     },
     "web": {
         "client_id": "YUMx5nI8ZU8Ap8pm",
@@ -109,6 +110,13 @@ def _as_bool(value: Any, default: bool = False) -> bool:
     return bool(value)
 
 
+def _as_int(value: Any, default: int = 0) -> int:
+    try:
+        return int(value or default)
+    except Exception:
+        return default
+
+
 def _root_payload(root: str | None) -> Tuple[str, str]:
     raw = (root or "").strip()
     if not raw:
@@ -158,9 +166,9 @@ class PikPakAdapter:
         if not self.username or not self.password:
             raise ValueError("PikPak adapter requires username and password")
 
-        self.platform = str(cfg.get("platform") or "web").strip().lower()
+        self.platform = str(cfg.get("platform") or "android").strip().lower()
         if self.platform not in PLATFORM_CONFIG:
-            self.platform = "web"
+            self.platform = "android"
         platform_cfg = PLATFORM_CONFIG[self.platform]
 
         self.client_id = str(platform_cfg["client_id"])
@@ -170,10 +178,14 @@ class PikPakAdapter:
         self.sdk_version = str(platform_cfg["sdk_version"])
         self.algorithms = list(platform_cfg["algorithms"])
 
-        self.device_id = str(cfg.get("device_id") or "").strip() or _md5_text(self.username + self.password)
+        device_id = str(cfg.get("device_id") or "").strip()
+        if not device_id or device_id == _md5_text(self.username + self.password):
+            device_id = _md5_text(self.username)
+        self.device_id = device_id
         self.user_id = str(cfg.get("user_id") or "").strip()
         self.refresh_token = str(cfg.get("refresh_token") or "").strip()
         self.access_token = str(cfg.get("access_token") or "").strip()
+        self.expires_at = _as_int(cfg.get("expires_at"), 0)
         self.captcha_token = str(cfg.get("captcha_token") or "").strip()
         self.root_id = str(cfg.get("root_id") or "").strip()
         self.disable_media_link = _as_bool(cfg.get("disable_media_link"), True)
@@ -232,6 +244,18 @@ class PikPakAdapter:
         path = m.group(1) if m else "/"
         return f"{method.upper()}:{path}"
 
+    @staticmethod
+    def _full_action(method: str, url: str) -> str:
+        return f"{method.upper()}:{url}"
+
+    def _captcha_action(self, method: str, url: str, *, auth: bool) -> str:
+        if not auth and url == f"{USER_BASE}/auth/signin":
+            return self._full_action(method, url)
+        return self._action(method, url)
+
+    def _has_valid_access_token(self) -> bool:
+        return bool(self.access_token and self.expires_at > int(time.time()) + TOKEN_REFRESH_BUFFER)
+
     def _download_headers(self) -> Dict[str, str]:
         headers = {
             "User-Agent": self.user_agent,
@@ -247,8 +271,11 @@ class PikPakAdapter:
         changed = False
         for key, value in (
             ("refresh_token", self.refresh_token),
+            ("access_token", self.access_token),
+            ("expires_at", self.expires_at),
             ("captcha_token", self.captcha_token),
             ("device_id", self.device_id),
+            ("user_id", self.user_id),
         ):
             if value and cfg.get(key) != value:
                 cfg[key] = value
@@ -260,40 +287,44 @@ class PikPakAdapter:
             await self.record.save(update_fields=["config"])
 
     async def _ensure_auth(self):
-        if self.access_token:
+        if self._has_valid_access_token():
             return
         async with self._auth_lock:
-            if self.access_token:
+            if self._has_valid_access_token():
                 return
             if self.refresh_token:
                 try:
                     await self._refresh_access_token()
                     return
-                except Exception:
+                except Exception as e:
                     self.access_token = ""
-                    if not self.username or not self.password:
-                        raise
+                    raise HTTPException(
+                        502,
+                        detail=f"PikPak refresh token failed, please update refresh_token or login manually: {e}",
+                    )
             await self._login()
 
     async def _login(self):
         url = f"{USER_BASE}/auth/signin"
         if not self.captcha_token:
-            await self._refresh_captcha_token(self._action("POST", url), self._login_captcha_meta())
+            await self._refresh_captcha_token(self._full_action("POST", url), self._login_captcha_meta())
 
         body = {
             "captcha_token": self.captcha_token,
             "client_id": self.client_id,
             "client_secret": self.client_secret,
+            "grant_type": "password",
             "username": self.username,
             "password": self.password,
         }
-        data = await self._raw_json("POST", url, json=body, params={"client_id": self.client_id}, auth=False)
+        data = await self._raw_json("POST", url, json=body, auth=False)
         self.refresh_token = str(data.get("refresh_token") or "").strip()
         self.access_token = str(data.get("access_token") or "").strip()
+        self.expires_at = int(time.time()) + _as_int(data.get("expires_in"), 0)
         self.user_id = str(data.get("sub") or self.user_id).strip()
         if not self.refresh_token or not self.access_token:
             raise HTTPException(502, detail="PikPak login failed: missing token")
-        if self.platform == "android":
+        if self.platform == "android" and not PLATFORM_CONFIG[self.platform].get("ua"):
             self.user_agent = self._build_android_user_agent()
         await self._save_runtime_config()
 
@@ -305,21 +336,18 @@ class PikPakAdapter:
             "grant_type": "refresh_token",
             "refresh_token": self.refresh_token,
         }
-        data = await self._raw_json("POST", url, json=body, params={"client_id": self.client_id}, auth=False)
+        data = await self._raw_json("POST", url, json=body, auth=False)
         self.refresh_token = str(data.get("refresh_token") or "").strip()
         self.access_token = str(data.get("access_token") or "").strip()
+        self.expires_at = int(time.time()) + _as_int(data.get("expires_in"), 0)
         self.user_id = str(data.get("sub") or self.user_id).strip()
         if not self.refresh_token or not self.access_token:
             raise HTTPException(502, detail="PikPak refresh token failed: missing token")
-        if self.platform == "android":
+        if self.platform == "android" and not PLATFORM_CONFIG[self.platform].get("ua"):
             self.user_agent = self._build_android_user_agent()
         await self._save_runtime_config()
 
     def _login_captcha_meta(self) -> Dict[str, str]:
-        if re.match(r"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*", self.username):
-            return {"email": self.username}
-        if 11 <= len(self.username) <= 18:
-            return {"phone_number": self.username}
         return {"username": self.username}
 
     async def _refresh_captcha_token(self, action: str, meta: Dict[str, str]):
@@ -332,7 +360,7 @@ class PikPakAdapter:
             "meta": meta,
             "redirect_uri": "xlaccsdk01://xbase.cloud/callback?state=harbor",
         }
-        data = await self._raw_json("POST", url, json=body, params={"client_id": self.client_id}, auth=False)
+        data = await self._raw_json("POST", url, json=body, auth=False)
         verify_url = str(data.get("url") or "").strip()
         token = str(data.get("captcha_token") or "").strip()
         if token and not verify_url:
@@ -437,9 +465,15 @@ class PikPakAdapter:
                         if self.user_id:
                             await self._refresh_captcha_token_after_login(method, url)
                         else:
-                            await self._refresh_captcha_token(self._action(method, url), self._login_captcha_meta())
+                            await self._refresh_captcha_token(
+                                self._captcha_action(method, url, auth=auth),
+                                self._login_captcha_meta(),
+                            )
                     else:
-                        await self._refresh_captcha_token(self._action(method, url), self._login_captcha_meta())
+                        await self._refresh_captcha_token(
+                            self._captcha_action(method, url, auth=auth),
+                            self._login_captcha_meta(),
+                        )
                     return await self._raw_json(
                         method,
                         url,
@@ -776,6 +810,21 @@ class PikPakAdapter:
                 return None
             return resp.content
 
+    async def get_usage(self, root: str):
+        data = await self._request("GET", "/about")
+        quota = data.get("quota") or {}
+        limit = quota.get("limit")
+        usage = quota.get("usage")
+        total = int(limit) if limit is not None else None
+        used = int(usage) if usage is not None else None
+        return {
+            "used_bytes": used,
+            "total_bytes": total,
+            "free_bytes": total - used if total is not None and used is not None else None,
+            "source": "pikpak",
+            "scope": "drive",
+        }
+
     async def mkdir(self, root: str, rel: str):
         rel = (rel or "").strip("/")
         if not rel:
@@ -861,8 +910,10 @@ ADAPTER_TYPE = "pikpak"
 CONFIG_SCHEMA = [
     {"key": "username", "label": "PikPak 账号", "type": "string", "required": True},
     {"key": "password", "label": "PikPak 密码", "type": "password", "required": True},
-    {"key": "platform", "label": "平台", "type": "select", "required": False, "default": "web", "options": ["web", "android", "pc"]},
+    {"key": "platform", "label": "平台", "type": "select", "required": False, "default": "android", "options": ["android", "web", "pc"]},
     {"key": "refresh_token", "label": "Refresh Token", "type": "password", "required": False},
+    {"key": "access_token", "label": "Access Token", "type": "password", "required": False},
+    {"key": "expires_at", "label": "Access Token 过期时间戳", "type": "number", "required": False},
     {"key": "captcha_token", "label": "Captcha Token", "type": "password", "required": False},
     {"key": "device_id", "label": "Device ID", "type": "string", "required": False},
     {"key": "root_id", "label": "根目录 ID", "type": "string", "required": False, "default": ""},

domain/adapters/providers/quark.py

@@ -840,6 +840,23 @@ class QuarkAdapter:
     async def copy(self, root: str, src_rel: str, dst_rel: str, overwrite: bool = False):
         raise NotImplementedError("QuarkOpen does not support copy via open API")
 
+    async def get_usage(self, root: str):
+        data = await self._request("GET", "/capacity/growth/info")
+        payload = (data or {}).get("data") or {}
+        if isinstance(payload.get("member"), dict):
+            payload = payload["member"]
+        used = payload.get("use_capacity") or payload.get("used_capacity")
+        total = payload.get("total_capacity")
+        used_bytes = int(used) if used is not None else None
+        total_bytes = int(total) if total is not None else None
+        return {
+            "used_bytes": used_bytes,
+            "total_bytes": total_bytes,
+            "free_bytes": total_bytes - used_bytes if total_bytes is not None and used_bytes is not None else None,
+            "source": "quark",
+            "scope": "account",
+        }
+
     # -----------------
     # STAT / EXISTS / 辅助
     # -----------------

domain/adapters/providers/telegram.py

@@ -1,26 +1,18 @@
-from typing import List, Dict, Tuple, AsyncIterator
+from typing import List, Dict, Tuple, AsyncIterator, Optional
 import asyncio
 import base64
 import io
 import os
 import struct
+import time
 from models import StorageAdapter
-from telethon import TelegramClient
+from api.response import cursor_page
+from telethon import TelegramClient, errors, utils
 from telethon.crypto import AuthKey
 from telethon.sessions import StringSession
 from telethon.tl import types
 import socks
 
-_SESSION_LOCKS: Dict[str, asyncio.Lock] = {}
-
-
-def _get_session_lock(session_string: str) -> asyncio.Lock:
-    lock = _SESSION_LOCKS.get(session_string)
-    if lock is None:
-        lock = asyncio.Lock()
-        _SESSION_LOCKS[session_string] = lock
-    return lock
-
 
 class _NamedFile:
     def __init__(self, file_obj, name: str):
@@ -61,6 +53,10 @@ CONFIG_SCHEMA = [
 
 class TelegramAdapter:
     """Telegram 存储适配器 (使用用户 Session)"""
+    native_video_thumbnail_only = True
+    _message_cache_ttl = 300
+    _message_cache_limit = 200
+    _download_chunk_size = 512 * 1024
 
     def __init__(self, record: StorageAdapter):
         self.record = record
@@ -93,6 +89,12 @@ class TelegramAdapter:
         if not all([self.api_id, self.api_hash, self.session_string, self.chat_id]):
             raise ValueError("Telegram 适配器需要 api_id, api_hash, session_string 和 chat_id")
 
+        self._client: TelegramClient | None = None
+        self._client_lock = asyncio.Lock()
+        self._download_lock = asyncio.Lock()
+        self._active_stream_message_id: int | None = None
+        self._message_cache: Dict[int, Tuple[float, object]] = {}
+
     @staticmethod
     def _parse_legacy_session_string(value: str) -> StringSession:
         """
@@ -132,29 +134,42 @@ class TelegramAdapter:
             return None
 
         cached = []
-        others = []
+        downloadable = []
         for t in thumbs:
             if isinstance(t, (types.PhotoCachedSize, types.PhotoStrippedSize)):
                 cached.append(t)
             elif isinstance(t, (types.PhotoSize, types.PhotoSizeProgressive)):
                 if not isinstance(t, types.PhotoSizeEmpty):
-                    others.append(t)
+                    downloadable.append(t)
 
-        if cached:
-            cached.sort(key=lambda x: len(getattr(x, "bytes", b"") or b""))
-            return cached[-1]
-
-        if others:
+        if downloadable:
             def _sz(x):
                 if isinstance(x, types.PhotoSizeProgressive):
                     return max(x.sizes or [0])
                 return int(getattr(x, "size", 0) or 0)
 
-            others.sort(key=_sz)
-            return others[-1]
+            downloadable.sort(key=_sz)
+            return downloadable[-1]
+
+        if cached:
+            cached.sort(key=lambda x: len(getattr(x, "bytes", b"") or b""))
+            return cached[-1]
 
         return None
 
+    @staticmethod
+    def _get_message_thumbs(message) -> list:
+        doc = message.document or message.video
+        if doc and getattr(doc, "thumbs", None):
+            return list(doc.thumbs or [])
+        if message.photo and getattr(message.photo, "sizes", None):
+            return list(message.photo.sizes or [])
+        return []
+
+    @classmethod
+    def _message_has_thumbnail(cls, message) -> bool:
+        return cls._pick_photo_thumb(cls._get_message_thumbs(message)) is not None
+
     def _build_session(self) -> StringSession:
         s = (self.session_string or "").strip()
         if not s:
@@ -181,104 +196,230 @@ class TelegramAdapter:
         """创建一个新的 TelegramClient 实例"""
         return TelegramClient(self._build_session(), self.api_id, self.api_hash, proxy=self.proxy)
 
-    def get_effective_root(self, sub_path: str | None) -> str:
-        return ""
+    async def _get_connected_client(self) -> TelegramClient:
+        async with self._client_lock:
+            if self._client is None:
+                self._client = self._get_client()
+            if not self._client.is_connected():
+                await self._client.connect()
+            return self._client
 
-    async def list_dir(self, root: str, rel: str, page_num: int = 1, page_size: int = 50, sort_by: str = "name", sort_order: str = "asc") -> Tuple[List[Dict], int]:
-        if rel:
-            return [], 0
+    async def _disconnect_shared_client(self):
+        if self._client and self._client.is_connected():
+            await self._client.disconnect()
 
-        client = self._get_client()
-        entries = []
-        try:
-            await client.connect()
-            messages = await client.get_messages(self.chat_id, limit=200)
-            for message in messages:
-                if not message:
-                    continue
+    def _clear_message_cache(self):
+        self._message_cache.clear()
 
-                media = message.document or message.video or message.photo
-                if not media:
-                    continue
+    async def _get_cached_message(self, message_id: int):
+        now = time.monotonic()
+        cached = self._message_cache.get(message_id)
+        if cached and cached[0] > now:
+            return cached[1]
 
-                file_meta = message.file
-                if not file_meta:
-                    continue
+        client = await self._get_connected_client()
+        message = await client.get_messages(self.chat_id, ids=message_id)
+        if message:
+            if len(self._message_cache) >= self._message_cache_limit:
+                oldest_key = min(self._message_cache, key=lambda k: self._message_cache[k][0])
+                self._message_cache.pop(oldest_key, None)
+            self._message_cache[message_id] = (now + self._message_cache_ttl, message)
+        else:
+            self._message_cache.pop(message_id, None)
+        return message
 
-                filename = file_meta.name
-                if not filename:
-                    if message.text and '.' in message.text and len(message.text) < 256 and '\n' not in message.text:
-                        filename = message.text
-                    else:
-                        filename = f"unknown_{message.id}"
+    @staticmethod
+    def _get_message_media(message):
+        return message.document or message.video or message.photo
 
-                size = file_meta.size
-                if size is None:
-                    # 兼容缺失 size 的情况
-                    if hasattr(media, "size") and media.size is not None:
-                        size = media.size
-                    elif message.photo and getattr(message.photo, "sizes", None):
-                        photo_size = message.photo.sizes[-1]
-                        size = getattr(photo_size, "size", 0) or 0
-                    else:
-                        size = 0
+    @staticmethod
+    def _flood_wait_http_exception(exc: errors.FloodWaitError):
+        from fastapi import HTTPException
 
-                entries.append({
-                    "name": f"{message.id}_{filename}",
-                    "is_dir": False,
-                    "size": size,
-                    "mtime": int(message.date.timestamp()),
-                    "type": "file",
-                })
-        finally:
-            if client.is_connected():
-                await client.disconnect()
+        seconds = int(getattr(exc, "seconds", 0) or 0)
+        if seconds > 0:
+            return HTTPException(
+                status_code=429,
+                detail=f"Telegram 请求过于频繁，请等待 {seconds} 秒后重试",
+                headers={"Retry-After": str(seconds)},
+            )
+        return HTTPException(status_code=429, detail="Telegram 请求过于频繁，请稍后重试")
 
-        # 排序
-        reverse = sort_order.lower() == "desc"
-        def get_sort_key(item):
-            key = (not item["is_dir"],)
-            sort_field = sort_by.lower()
-            if sort_field == "name":
-                key += (item["name"].lower(),)
-            elif sort_field == "size":
-                key += (item["size"],)
-            elif sort_field == "mtime":
-                key += (item["mtime"],)
+    @staticmethod
+    def _get_message_file_size(message, media) -> int:
+        file_meta = message.file
+        size = file_meta.size if file_meta and file_meta.size is not None else None
+        if size is None:
+            if hasattr(media, "size") and media.size is not None:
+                size = media.size
+            elif message.photo and getattr(message.photo, "sizes", None):
+                photo_size = message.photo.sizes[-1]
+                size = getattr(photo_size, "size", 0) or 0
             else:
-                key += (item["name"].lower(),)
-            return key
-        entries.sort(key=get_sort_key, reverse=reverse)
+                size = 0
+        return int(size or 0)
 
-        total_count = len(entries)
+    @staticmethod
+    def _get_message_mime_type(message, media) -> str:
+        file_meta = message.file
+        if file_meta and getattr(file_meta, "mime_type", None):
+            return file_meta.mime_type
+        if hasattr(media, "mime_type") and media.mime_type:
+            return media.mime_type
+        if message.photo:
+            return "image/jpeg"
+        return "application/octet-stream"
 
-        # 分页
-        start_idx = (page_num - 1) * page_size
-        end_idx = start_idx + page_size
-        page_entries = entries[start_idx:end_idx]
-        
-        return page_entries, total_count
-
-    async def read_file(self, root: str, rel: str) -> bytes:
+    @staticmethod
+    def _parse_message_id(rel: str) -> int:
         try:
             message_id_str, _ = rel.split('_', 1)
-            message_id = int(message_id_str)
+            return int(message_id_str)
         except (ValueError, IndexError):
             raise FileNotFoundError(f"无效的文件路径格式: {rel}")
 
+    def get_effective_root(self, sub_path: str | None) -> str:
+        return ""
+
+    async def list_dir(
+        self,
+        root: str,
+        rel: str,
+        page_num: int = 1,
+        page_size: int = 50,
+        sort_by: str = "name",
+        sort_order: str = "asc",
+        cursor: str | None = None,
+    ):
+        if rel:
+            return cursor_page([], page_size, cursor=cursor)
+
         client = self._get_client()
+        entries = []
+        next_cursor = None
         try:
             await client.connect()
-            message = await client.get_messages(self.chat_id, ids=message_id)
-            if not message or not (message.document or message.video or message.photo):
-                raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
+            offset_id = int(cursor) if cursor else 0
+            batch_limit = min(max(page_size, 50), 200)
+            while len(entries) < page_size:
+                messages = await client.get_messages(self.chat_id, limit=batch_limit, offset_id=offset_id)
+                if not messages:
+                    next_cursor = None
+                    break
 
-            file_bytes = await client.download_media(message, file=bytes)
-            return file_bytes
+                offset_id = messages[-1].id
+                next_cursor = str(offset_id)
+                for message in messages:
+                    if not message:
+                        continue
+
+                    media = message.document or message.video or message.photo
+                    if not media:
+                        continue
+
+                    file_meta = message.file
+                    if not file_meta:
+                        continue
+
+                    filename = file_meta.name
+                    if not filename:
+                        if message.text and '.' in message.text and len(message.text) < 256 and '\n' not in message.text:
+                            filename = message.text
+                        else:
+                            filename = f"unknown_{message.id}"
+
+                    size = file_meta.size
+                    if size is None:
+                        # 兼容缺失 size 的情况
+                        if hasattr(media, "size") and media.size is not None:
+                            size = media.size
+                        elif message.photo and getattr(message.photo, "sizes", None):
+                            photo_size = message.photo.sizes[-1]
+                            size = getattr(photo_size, "size", 0) or 0
+                        else:
+                            size = 0
+
+                    entries.append({
+                        "name": f"{message.id}_{filename}",
+                        "is_dir": False,
+                        "size": size,
+                        "mtime": int(message.date.timestamp()),
+                        "type": "file",
+                        "has_thumbnail": False,
+                    })
+                    if len(entries) >= page_size:
+                        break
         finally:
             if client.is_connected():
                 await client.disconnect()
 
+        return cursor_page(entries, page_size, cursor=cursor, next_cursor=next_cursor)
+
+    async def read_file(self, root: str, rel: str) -> bytes:
+        message_id = self._parse_message_id(rel)
+
+        client = await self._get_connected_client()
+        message = await self._get_cached_message(message_id)
+        if not message or not self._get_message_media(message):
+            raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
+
+        try:
+            async with self._download_lock:
+                file_bytes = await client.download_media(message, file=bytes)
+                return file_bytes
+        except errors.FloodWaitError as exc:
+            await self._disconnect_shared_client()
+            raise self._flood_wait_http_exception(exc)
+
+    async def read_file_range(self, root: str, rel: str, start: int, end: Optional[int] = None) -> bytes:
+        from fastapi import HTTPException
+
+        message_id = self._parse_message_id(rel)
+        client = await self._get_connected_client()
+        message = await self._get_cached_message(message_id)
+        if not message:
+            raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
+
+        media = self._get_message_media(message)
+        if not media:
+            raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
+
+        file_size = self._get_message_file_size(message, media)
+        if file_size > 0:
+            if start >= file_size:
+                raise HTTPException(status_code=416, detail="Requested Range Not Satisfiable")
+            if end is None or end >= file_size:
+                end = file_size - 1
+        elif end is None:
+            end = start
+
+        if end < start:
+            raise HTTPException(status_code=416, detail="Requested Range Not Satisfiable")
+
+        limit = end - start + 1
+        data = bytearray()
+        try:
+            async with self._download_lock:
+                async for chunk in client.iter_download(
+                    media,
+                    offset=start,
+                    request_size=self._download_chunk_size,
+                    chunk_size=self._download_chunk_size,
+                    file_size=file_size or None,
+                ):
+                    if not chunk:
+                        continue
+                    need = limit - len(data)
+                    if need <= 0:
+                        break
+                    data.extend(chunk[:need])
+                    if len(data) >= limit:
+                        break
+            return bytes(data)
+        except errors.FloodWaitError as exc:
+            await self._disconnect_shared_client()
+            raise self._flood_wait_http_exception(exc)
+
     async def write_file(self, root: str, rel: str, data: bytes):
         """将字节数据作为文件上传"""
         client = self._get_client()
@@ -297,6 +438,7 @@ class TelegramAdapter:
                     stored_name = file_meta.name
                 if getattr(message, "id", None) is not None:
                     actual_rel = f"{message.id}_{stored_name}"
+                    self._clear_message_cache()
             return {"rel": actual_rel, "size": len(data)}
         finally:
             if client.is_connected():
@@ -326,6 +468,7 @@ class TelegramAdapter:
                     stored_name = file_meta.name
                 if getattr(message, "id", None) is not None:
                     actual_rel = f"{message.id}_{stored_name}"
+                    self._clear_message_cache()
                 if file_meta and getattr(file_meta, "size", None):
                     size = int(file_meta.size)
             return {"rel": actual_rel, "size": size}
@@ -361,6 +504,7 @@ class TelegramAdapter:
                     stored_name = file_meta.name
                 if getattr(message, "id", None) is not None:
                     actual_rel = f"{message.id}_{stored_name}"
+                    self._clear_message_cache()
 
         finally:
             if os.path.exists(temp_path):
@@ -373,39 +517,7 @@ class TelegramAdapter:
         raise NotImplementedError("Telegram 适配器不支持创建目录。")
 
     async def get_thumbnail(self, root: str, rel: str, size: str = "medium"):
-        try:
-            message_id_str, _ = rel.split('_', 1)
-            message_id = int(message_id_str)
-        except (ValueError, IndexError):
-            return None
-
-        client = self._get_client()
-        try:
-            await client.connect()
-            message = await client.get_messages(self.chat_id, ids=message_id)
-            if not message:
-                return None
-
-            doc = message.document or message.video
-            thumbs = None
-            if doc and getattr(doc, "thumbs", None):
-                thumbs = list(doc.thumbs or [])
-            elif message.photo and getattr(message.photo, "sizes", None):
-                thumbs = list(message.photo.sizes or [])
-
-            thumb = self._pick_photo_thumb(thumbs)
-            if not thumb:
-                return None
-
-            result = await client.download_media(message, bytes, thumb=thumb)
-            if isinstance(result, (bytes, bytearray)):
-                return bytes(result)
-            return None
-        except Exception:
-            return None
-        finally:
-            if client.is_connected():
-                await client.disconnect()
+        return None
 
     async def delete(self, root: str, rel: str):
         """删除一个文件 (即一条消息)"""
@@ -421,9 +533,12 @@ class TelegramAdapter:
             result = await client.delete_messages(self.chat_id, [message_id])
             if not result or not result[0].pts:
                  raise FileNotFoundError(f"在 {self.chat_id} 中删除消息 {message_id} 失败，可能消息不存在或无权限")
+            self._message_cache.pop(message_id, None)
         finally:
             if client.is_connected():
                 await client.disconnect()
+            if self._client is client:
+                self._client = None
 
     async def move(self, root: str, src_rel: str, dst_rel: str):
         raise NotImplementedError("Telegram 适配器不支持移动。")
@@ -439,43 +554,21 @@ class TelegramAdapter:
         from fastapi import HTTPException
 
         try:
-            message_id_str, _ = rel.split('_', 1)
-            message_id = int(message_id_str)
-        except (ValueError, IndexError):
+            message_id = self._parse_message_id(rel)
+        except FileNotFoundError:
             raise HTTPException(status_code=400, detail=f"无效的文件路径格式: {rel}")
 
-        client = self._get_client()
-        lock = _get_session_lock(self.session_string)
-        await lock.acquire()
-        
         try:
-            await client.connect()
-            message = await client.get_messages(self.chat_id, ids=message_id)
-            media = message.document or message.video or message.photo
-            if not message or not media:
+            client = await self._get_connected_client()
+            message = await self._get_cached_message(message_id)
+            if not message:
+                raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
+            media = self._get_message_media(message)
+            if not media:
                 raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
 
-            file_meta = message.file
-            file_size = file_meta.size if file_meta and file_meta.size is not None else None
-            if file_size is None:
-                if hasattr(media, "size") and media.size is not None:
-                    file_size = media.size
-                elif message.photo and getattr(message.photo, "sizes", None):
-                    photo_size = message.photo.sizes[-1]
-                    file_size = getattr(photo_size, "size", 0) or 0
-                else:
-                    file_size = 0
-
-            mime_type = None
-            if file_meta and getattr(file_meta, "mime_type", None):
-                mime_type = file_meta.mime_type
-            if not mime_type:
-                if hasattr(media, "mime_type") and media.mime_type:
-                    mime_type = media.mime_type
-                elif message.photo:
-                    mime_type = "image/jpeg"
-                else:
-                    mime_type = "application/octet-stream"
+            file_size = self._get_message_file_size(message, media)
+            mime_type = self._get_message_mime_type(message, media)
 
             start = 0
             end = file_size - 1
@@ -486,6 +579,10 @@ class TelegramAdapter:
                 "Content-Type": mime_type,
             }
 
+            if file_size <= 0:
+                headers["Content-Length"] = "0"
+                return StreamingResponse(iter(()), status_code=status, headers=headers)
+
             if range_header:
                 try:
                     range_val = range_header.strip().partition("=")[2]
@@ -499,42 +596,71 @@ class TelegramAdapter:
                 except ValueError:
                     raise HTTPException(status_code=400, detail="Invalid Range header")
 
+            headers["Content-Length"] = str(end - start + 1)
+            self._active_stream_message_id = message_id
+
             async def iterator():
+                downloaded = 0
                 try:
                     limit = end - start + 1
-                    downloaded = 0
+                    if self._active_stream_message_id != message_id:
+                        return
+                    async with self._download_lock:
+                        async for chunk in client.iter_download(
+                            media,
+                            offset=start,
+                            request_size=self._download_chunk_size,
+                            chunk_size=self._download_chunk_size,
+                            file_size=file_size,
+                        ):
+                            if self._active_stream_message_id != message_id:
+                                return
+                            if not chunk:
+                                continue
+                            remaining = limit - downloaded
+                            if remaining <= 0:
+                                break
+                            data = chunk[:remaining]
+                            downloaded += len(data)
+                            yield data
+                            if downloaded >= limit:
+                                break
+                except errors.FloodWaitError as exc:
+                    await self._disconnect_shared_client()
+                    if downloaded == 0:
+                        raise self._flood_wait_http_exception(exc)
+                    seconds = int(getattr(exc, "seconds", 0) or 0)
+                    print(f"Telegram streaming stopped by FloodWait after partial response, wait={seconds}s")
+                    return
+                except Exception:
+                    await self._disconnect_shared_client()
+                    raise
 
-                    async for chunk in client.iter_download(media, offset=start):
-                        if downloaded + len(chunk) > limit:
-                            yield chunk[:limit - downloaded]
-                            break
+            agen = iterator()
+            try:
+                first_chunk = await agen.__anext__()
+            except StopAsyncIteration:
+                first_chunk = b""
+            except HTTPException:
+                raise
+
+            async def response_iterator():
+                try:
+                    if first_chunk:
+                        yield first_chunk
+                    async for chunk in agen:
                         yield chunk
-                        downloaded += len(chunk)
-                        if downloaded >= limit:
-                            break
                 finally:
-                    try:
-                        if client.is_connected():
-                            await client.disconnect()
-                    finally:
-                        lock.release()
+                    await agen.aclose()
 
-            return StreamingResponse(iterator(), status_code=status, headers=headers)
+            return StreamingResponse(response_iterator(), status_code=status, headers=headers)
 
         except HTTPException:
-            if client.is_connected():
-                await client.disconnect()
-            lock.release()
             raise
         except FileNotFoundError as e:
-            if client.is_connected():
-                await client.disconnect()
-            lock.release()
             raise HTTPException(status_code=404, detail=str(e))
         except Exception as e:
-            if client.is_connected():
-                await client.disconnect()
-            lock.release()
+            await self._disconnect_shared_client()
             raise HTTPException(status_code=500, detail=f"Streaming failed: {str(e)}")
 
     async def stat_file(self, root: str, rel: str):
@@ -544,35 +670,21 @@ class TelegramAdapter:
         except (ValueError, IndexError):
             raise FileNotFoundError(f"无效的文件路径格式: {rel}")
 
-        client = self._get_client()
-        try:
-            await client.connect()
-            message = await client.get_messages(self.chat_id, ids=message_id)
-            media = message.document or message.video or message.photo
-            if not message or not media:
-                raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
+        message = await self._get_cached_message(message_id)
+        media = self._get_message_media(message) if message else None
+        if not message or not media:
+            raise FileNotFoundError(f"在频道 {self.chat_id} 中未找到消息ID为 {message_id} 的文件")
 
-            file_meta = message.file
-            size = file_meta.size if file_meta and file_meta.size is not None else None
-            if size is None:
-                if hasattr(media, "size") and media.size is not None:
-                    size = media.size
-                elif message.photo and getattr(message.photo, "sizes", None):
-                    photo_size = message.photo.sizes[-1]
-                    size = getattr(photo_size, "size", 0) or 0
-                else:
-                    size = 0
+        size = self._get_message_file_size(message, media)
 
-            return {
-                "name": rel,
-                "is_dir": False,
-                "size": size,
-                "mtime": int(message.date.timestamp()),
-                "type": "file",
-            }
-        finally:
-            if client.is_connected():
-                await client.disconnect()
+        return {
+            "name": rel,
+            "is_dir": False,
+            "size": size,
+            "mtime": int(message.date.timestamp()),
+            "type": "file",
+            "has_thumbnail": False,
+        }
 
 def ADAPTER_FACTORY(rec: StorageAdapter) -> TelegramAdapter:
     return TelegramAdapter(rec)

domain/adapters/service.py

@@ -1,3 +1,4 @@
+import time
 from typing import Optional
 
 from fastapi import HTTPException
@@ -8,11 +9,34 @@ from .registry import (
     normalize_adapter_type,
     runtime_registry,
 )
-from .types import AdapterCreate, AdapterOut
+from .types import AdapterCreate, AdapterOut, AdapterUsage
+from .providers.base import UsageCapableAdapter
 from models import StorageAdapter
 
 
 class AdapterService:
+    _usage_cache_ttl = 3600
+    _usage_cache: dict[int, tuple[float, AdapterUsage]] = {}
+
+    @classmethod
+    def _get_cached_usage(cls, adapter_id: int) -> AdapterUsage | None:
+        cached = cls._usage_cache.get(adapter_id)
+        if not cached:
+            return None
+        expires_at, usage = cached
+        if expires_at <= time.time():
+            cls._usage_cache.pop(adapter_id, None)
+            return None
+        return usage
+
+    @classmethod
+    def _set_cached_usage(cls, usage: AdapterUsage):
+        cls._usage_cache[usage.id] = (time.time() + cls._usage_cache_ttl, usage)
+
+    @classmethod
+    def _clear_cached_usage(cls, adapter_id: int):
+        cls._usage_cache.pop(adapter_id, None)
+
     @classmethod
     def _validate_and_normalize_config(cls, adapter_type: str, cfg):
         schemas = get_config_schemas()
@@ -85,6 +109,74 @@ class AdapterService:
             raise HTTPException(404, detail="Not found")
         return AdapterOut.model_validate(rec)
 
+    @classmethod
+    def _unsupported_usage(cls, rec: StorageAdapter, reason: str) -> AdapterUsage:
+        return AdapterUsage(
+            id=rec.id,
+            name=rec.name,
+            type=rec.type,
+            path=rec.path,
+            supported=False,
+            reason=reason,
+        )
+
+    @classmethod
+    async def get_adapter_usage(cls, adapter_id: int) -> AdapterUsage:
+        rec = await StorageAdapter.get_or_none(id=adapter_id)
+        if not rec:
+            raise HTTPException(404, detail="Not found")
+        return await cls._get_adapter_usage_for_record(rec)
+
+    @classmethod
+    async def _get_adapter_usage_for_record(cls, rec: StorageAdapter) -> AdapterUsage:
+        cached = cls._get_cached_usage(rec.id)
+        if cached:
+            return cached
+
+        if not rec.enabled:
+            return cls._unsupported_usage(rec, "adapter_disabled")
+
+        adapter = runtime_registry.get(rec.id)
+        if not adapter:
+            await runtime_registry.refresh()
+            adapter = runtime_registry.get(rec.id)
+        if not adapter:
+            return cls._unsupported_usage(rec, "adapter_unavailable")
+        if not isinstance(adapter, UsageCapableAdapter):
+            return cls._unsupported_usage(rec, "adapter_not_implemented")
+
+        root = adapter.get_effective_root(rec.sub_path)
+        try:
+            raw_usage = await adapter.get_usage(root)
+        except Exception as e:
+            return cls._unsupported_usage(rec, f"usage_failed: {e}")
+
+        if not isinstance(raw_usage, dict):
+            return cls._unsupported_usage(rec, "invalid_usage_response")
+
+        usage = AdapterUsage(
+            id=rec.id,
+            name=rec.name,
+            type=rec.type,
+            path=rec.path,
+            supported=True,
+            used_bytes=raw_usage.get("used_bytes"),
+            total_bytes=raw_usage.get("total_bytes"),
+            free_bytes=raw_usage.get("free_bytes"),
+            source=raw_usage.get("source") or rec.type,
+            scope=raw_usage.get("scope"),
+        )
+        cls._set_cached_usage(usage)
+        return usage
+
+    @classmethod
+    async def list_adapter_usages(cls):
+        adapters = await StorageAdapter.all()
+        result = []
+        for rec in adapters:
+            result.append(await cls._get_adapter_usage_for_record(rec))
+        return result
+
     @classmethod
     async def update_adapter(cls, adapter_id: int, data: AdapterCreate, current_user: Optional[User]):
         rec = await StorageAdapter.get_or_none(id=adapter_id)
@@ -105,6 +197,7 @@ class AdapterService:
         await rec.save()
 
         await runtime_registry.upsert(rec)
+        cls._clear_cached_usage(adapter_id)
         return AdapterOut.model_validate(rec)
 
     @classmethod
@@ -113,4 +206,5 @@ class AdapterService:
         if not deleted:
             raise HTTPException(404, detail="Not found")
         runtime_registry.remove(adapter_id)
+        cls._clear_cached_usage(adapter_id)
         return {"deleted": True}

domain/adapters/types.py

@@ -48,3 +48,17 @@ class AdapterOut(AdapterBase):
 
     class Config:
         from_attributes = True
+
+
+class AdapterUsage(BaseModel):
+    id: int
+    name: str
+    type: str
+    path: str
+    supported: bool
+    used_bytes: Optional[int] = None
+    total_bytes: Optional[int] = None
+    free_bytes: Optional[int] = None
+    source: Optional[str] = None
+    scope: Optional[str] = None
+    reason: Optional[str] = None

domain/config/api.py

@@ -19,6 +19,7 @@ PUBLIC_CONFIG_KEYS = [
     "THEME_BORDER_RADIUS",
     "THEME_CUSTOM_TOKENS",
     "THEME_CUSTOM_CSS",
+    "DEFAULT_FILE_VIEW_MODE",
 ]
 
 

domain/config/service.py

@@ -10,7 +10,7 @@ from models.database import Configuration, UserAccount
 
 load_dotenv(dotenv_path=".env")
 
-VERSION = "v2.2.0"
+VERSION = "v2.2.2"
 
 
 class ConfigService:

domain/notices/__init__.py

@@ -0,0 +1,3 @@
+from .service import NoticeService, notice_sync_service
+
+__all__ = ["NoticeService", "notice_sync_service"]

domain/notices/api.py

@@ -0,0 +1,36 @@
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, Query
+
+from api.response import success
+from domain.auth import User, get_current_active_user
+
+from .service import NoticeService
+
+router = APIRouter(prefix="/api/notices", tags=["notices"])
+
+
+@router.get("")
+async def list_notices(
+    current_user: Annotated[User, Depends(get_current_active_user)],
+    page: int = Query(1, ge=1),
+):
+    data = await NoticeService.list_notices(page=page)
+    return data.model_dump()
+
+
+@router.get("/popup")
+async def get_popup_notice(
+    current_user: Annotated[User, Depends(get_current_active_user)],
+):
+    item = await NoticeService.get_popup_notice()
+    return success(item.model_dump() if item else None)
+
+
+@router.post("/{notice_id}/dismiss")
+async def dismiss_popup_notice(
+    notice_id: int,
+    current_user: Annotated[User, Depends(get_current_active_user)],
+):
+    await NoticeService.dismiss_popup(notice_id)
+    return success()

domain/notices/service.py

@@ -0,0 +1,177 @@
+import asyncio
+import logging
+from datetime import datetime, timezone
+from typing import Any
+
+import httpx
+
+from domain.config import VERSION
+from models.database import Notice
+
+from .types import NoticeItem, NoticeListResponse
+
+logger = logging.getLogger(__name__)
+
+REMOTE_NOTICES_URL = "https://foxel.cc/api/notices"
+SYNC_INTERVAL_SECONDS = 60 * 60 * 24
+PAGE_SIZE = 20
+
+
+def _normalize_version(version: str) -> str:
+    return (version or "").strip().removeprefix("v").removeprefix("V")
+
+
+def _parse_remote_time(value: Any) -> datetime:
+    if isinstance(value, (int, float)):
+        timestamp = float(value)
+        if timestamp > 10_000_000_000:
+            timestamp = timestamp / 1000
+        return datetime.fromtimestamp(timestamp, timezone.utc)
+    if isinstance(value, str):
+        text = value.strip()
+        if not text:
+            return datetime.now(timezone.utc)
+        try:
+            if text.isdigit():
+                return _parse_remote_time(int(text))
+            return datetime.fromisoformat(text.replace("Z", "+00:00"))
+        except ValueError:
+            return datetime.now(timezone.utc)
+    return datetime.now(timezone.utc)
+
+
+class NoticeService:
+    @classmethod
+    async def list_notices(cls, page: int = 1, page_size: int = PAGE_SIZE) -> NoticeListResponse:
+        page = max(1, page)
+        page_size = max(1, min(page_size, 100))
+        query = Notice.all().order_by("-created_at", "-id")
+        total = await query.count()
+        notices = await query.offset((page - 1) * page_size).limit(page_size)
+        return NoticeListResponse(
+            items=[cls._to_item(item) for item in notices],
+            page=page,
+            pageSize=page_size,
+            total=total,
+        )
+
+    @classmethod
+    async def get_popup_notice(cls) -> NoticeItem | None:
+        notice = await Notice.filter(is_popup=True, popup_dismissed=False).order_by("-created_at", "-id").first()
+        if not notice:
+            return None
+        return cls._to_item(notice)
+
+    @classmethod
+    async def dismiss_popup(cls, notice_id: int) -> None:
+        await Notice.filter(id=notice_id).update(popup_dismissed=True, is_popup=False)
+
+    @classmethod
+    async def sync_remote_notices(cls) -> None:
+        items = await cls._fetch_remote_notices()
+        if not items:
+            return
+
+        popup_remote_ids: list[int] = []
+        for raw in items:
+            remote_id = raw.get("id")
+            if remote_id is None:
+                continue
+            try:
+                remote_id = int(remote_id)
+            except (TypeError, ValueError):
+                continue
+
+            is_popup = bool(raw.get("isPopup"))
+            if is_popup:
+                popup_remote_ids.append(remote_id)
+
+            notice = await Notice.get_or_none(remote_id=remote_id)
+            popup_dismissed = notice.popup_dismissed if notice else False
+            await Notice.update_or_create(
+                remote_id=remote_id,
+                defaults={
+                    "title": str(raw.get("title") or "")[:255],
+                    "content_md": str(raw.get("contentMd") or ""),
+                    "is_popup": is_popup and not popup_dismissed,
+                    "created_at": _parse_remote_time(raw.get("createdAt")),
+                },
+            )
+
+        await cls._keep_only_latest_popup(popup_remote_ids)
+
+    @classmethod
+    async def _keep_only_latest_popup(cls, popup_remote_ids: list[int]) -> None:
+        latest = await Notice.filter(remote_id__in=popup_remote_ids, popup_dismissed=False).order_by(
+            "-created_at", "-id"
+        ).first()
+        if not latest:
+            return
+        await Notice.filter(is_popup=True).exclude(id=latest.id).update(is_popup=False)
+
+    @classmethod
+    async def _fetch_remote_notices(cls) -> list[dict[str, Any]]:
+        results: list[dict[str, Any]] = []
+        page = 1
+        async with httpx.AsyncClient(timeout=15.0, follow_redirects=True) as client:
+            while True:
+                resp = await client.get(
+                    REMOTE_NOTICES_URL,
+                    params={"version": _normalize_version(VERSION), "page": page},
+                )
+                resp.raise_for_status()
+                data = resp.json()
+                items = data.get("items") if isinstance(data, dict) else None
+                if not isinstance(items, list):
+                    break
+                results.extend(item for item in items if isinstance(item, dict))
+
+                total = data.get("total", len(results)) if isinstance(data, dict) else len(results)
+                page_size = data.get("pageSize") or data.get("page_size") or len(items)
+                if not items or len(results) >= int(total or 0) or page_size <= 0:
+                    break
+                page += 1
+        return results
+
+    @staticmethod
+    def _to_item(notice: Notice) -> NoticeItem:
+        return NoticeItem(
+            id=notice.id,
+            title=notice.title,
+            contentMd=notice.content_md or "",
+            isPopup=notice.is_popup and not notice.popup_dismissed,
+            createdAt=int(notice.created_at.timestamp() * 1000),
+        )
+
+
+class NoticeSyncService:
+    def __init__(self):
+        self._worker: asyncio.Task | None = None
+        self._stop_event = asyncio.Event()
+
+    async def start(self) -> None:
+        if self._worker and not self._worker.done():
+            return
+        self._stop_event.clear()
+        self._worker = asyncio.create_task(self._run_loop())
+
+    async def stop(self) -> None:
+        if not self._worker:
+            return
+        self._stop_event.set()
+        await self._worker
+        self._worker = None
+
+    async def _run_loop(self) -> None:
+        while not self._stop_event.is_set():
+            try:
+                await NoticeService.sync_remote_notices()
+            except Exception:
+                logger.exception("Failed to sync notices")
+            try:
+                await asyncio.wait_for(self._stop_event.wait(), timeout=SYNC_INTERVAL_SECONDS)
+            except asyncio.TimeoutError:
+                pass
+
+
+notice_sync_service = NoticeSyncService()

domain/notices/types.py

@@ -0,0 +1,16 @@
+from pydantic import BaseModel
+
+
+class NoticeItem(BaseModel):
+    id: int
+    title: str
+    contentMd: str
+    isPopup: bool
+    createdAt: int
+
+
+class NoticeListResponse(BaseModel):
+    items: list[NoticeItem]
+    page: int
+    pageSize: int
+    total: int

domain/recent_files/__init__.py

@@ -0,0 +1,3 @@
+from .api import router
+
+__all__ = ["router"]

domain/recent_files/api.py

@@ -0,0 +1,44 @@
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, Query, Request
+
+from api.response import success
+from domain.audit import AuditAction, audit
+from domain.auth import User, get_current_active_user
+
+from .service import RecentFilesService
+from .types import RecordRecentFileRequest
+
+router = APIRouter(prefix="/api/fs/recent", tags=["recent-files"])
+
+
+@router.get("/")
+@audit(action=AuditAction.READ, description="查看最近打开文件")
+async def list_recent_files(
+    request: Request,
+    current_user: Annotated[User, Depends(get_current_active_user)],
+    limit: int = Query(20, ge=1, le=200, description="返回数量"),
+):
+    data = await RecentFilesService.list_recent_files(current_user.id, limit)
+    return success(data)
+
+
+@router.post("/")
+@audit(action=AuditAction.CREATE, description="记录最近打开文件", body_fields=["path"])
+async def record_recent_file(
+    request: Request,
+    body: RecordRecentFileRequest,
+    current_user: Annotated[User, Depends(get_current_active_user)],
+):
+    data = await RecentFilesService.record_opened_file(current_user.id, body.path)
+    return success(data)
+
+
+@router.delete("/")
+@audit(action=AuditAction.DELETE, description="清空最近打开文件")
+async def clear_recent_files(
+    request: Request,
+    current_user: Annotated[User, Depends(get_current_active_user)],
+):
+    data = await RecentFilesService.clear_recent_files(current_user.id)
+    return success(data)

domain/recent_files/service.py

@@ -0,0 +1,23 @@
+from datetime import datetime, timezone
+
+from models.database import RecentFile
+
+
+class RecentFilesService:
+    @staticmethod
+    async def record_opened_file(user_id: int, path: str) -> dict:
+        item, created = await RecentFile.get_or_create(user_id=user_id, path=path)
+        if not created:
+            await RecentFile.filter(id=item.id).update(opened_at=datetime.now(timezone.utc))
+            await item.fetch_from_db()
+        return {"id": item.id, "path": item.path, "opened_at": item.opened_at.isoformat()}
+
+    @staticmethod
+    async def list_recent_files(user_id: int, limit: int) -> list[dict]:
+        items = await RecentFile.filter(user_id=user_id).order_by("-opened_at").limit(limit)
+        return [{"id": i.id, "path": i.path, "opened_at": i.opened_at.isoformat()} for i in items]
+
+    @staticmethod
+    async def clear_recent_files(user_id: int) -> dict:
+        deleted = await RecentFile.filter(user_id=user_id).delete()
+        return {"deleted": deleted}

domain/recent_files/types.py

@@ -0,0 +1,11 @@
+from pydantic import BaseModel, Field
+
+
+class RecordRecentFileRequest(BaseModel):
+    path: str = Field(..., min_length=1, max_length=4096, description="文件完整路径")
+
+
+class RecentFileItem(BaseModel):
+    id: int
+    path: str
+    opened_at: str

domain/virtual_fs/api.py

@@ -183,9 +183,10 @@ async def browse_fs(
     page_size: int = Query(50, ge=1, le=500, description="每页条数"),
     sort_by: str = Query("name", description="按字段排序: name, size, mtime"),
     sort_order: str = Query("asc", description="排序顺序: asc, desc"),
+    cursor: str | None = Query(None, description="游标分页位置"),
 ):
     data = await VirtualFSService.list_directory_with_permission(
-        full_path, current_user.id, page_num, page_size, sort_by, sort_order
+        full_path, current_user.id, page_num, page_size, sort_by, sort_order, cursor
     )
     return success(data)
 
@@ -211,9 +212,10 @@ async def root_listing(
     page_size: int = Query(50, ge=1, le=500, description="每页条数"),
     sort_by: str = Query("name", description="按字段排序: name, size, mtime"),
     sort_order: str = Query("asc", description="排序顺序: asc, desc"),
+    cursor: str | None = Query(None, description="游标分页位置"),
 ):
     # 根目录不需要权限检查，但需要过滤无权限的子目录
     data = await VirtualFSService.list_directory_with_permission(
-        "/", current_user.id, page_num, page_size, sort_by, sort_order
+        "/", current_user.id, page_num, page_size, sort_by, sort_order, cursor
     )
     return success(data)

domain/virtual_fs/listing.py

@@ -57,6 +57,7 @@ class VirtualFSListingMixin(VirtualFSResolverMixin):
         page_size: int = 50,
         sort_by: str = "name",
         sort_order: str = "asc",
+        cursor: str | None = None,
     ) -> Dict:
         norm = cls._normalize_path(path).rstrip("/") or "/"
         adapters = await StorageAdapter.filter(enabled=True)
@@ -89,6 +90,9 @@ class VirtualFSListingMixin(VirtualFSResolverMixin):
 
         def annotate_entry(entry: Dict) -> None:
             if not entry.get("is_dir"):
+                if entry.get("has_thumbnail") is not None:
+                    entry["has_thumbnail"] = bool(entry.get("has_thumbnail"))
+                    return
                 name = entry.get("name", "")
                 entry["has_thumbnail"] = bool(is_image_filename(name) or is_video_filename(name))
             else:
@@ -116,12 +120,28 @@ class VirtualFSListingMixin(VirtualFSResolverMixin):
         adapter_entries_for_merge: List[Dict] = []
         adapter_entries_page: List[Dict] | None = None
         adapter_total: int | None = None
+        adapter_listing: Dict[str, Any] | None = None
         if adapter_model and adapter_instance:
             list_dir = getattr(adapter_instance, "list_dir", None)
             if callable(list_dir):
-                adapter_entries_page, adapter_total = await list_dir(
-                    effective_root, rel, page_num, page_size, sort_by, sort_order
-                )
+                try:
+                    parameters = inspect.signature(list_dir).parameters
+                except (TypeError, ValueError):
+                    parameters = {}
+                if "cursor" in parameters:
+                    raw_listing = await list_dir(
+                        effective_root, rel, page_num, page_size, sort_by, sort_order, cursor=cursor
+                    )
+                else:
+                    raw_listing = await list_dir(
+                        effective_root, rel, page_num, page_size, sort_by, sort_order
+                    )
+                if isinstance(raw_listing, dict):
+                    adapter_listing = raw_listing
+                    adapter_entries_page = raw_listing.get("items", [])
+                    adapter_total = raw_listing.get("total")
+                else:
+                    adapter_entries_page, adapter_total = raw_listing
             if rel:
                 parent_rel = cls._parent_rel(rel)
                 if rel:
@@ -186,6 +206,9 @@ class VirtualFSListingMixin(VirtualFSResolverMixin):
         annotate_entry_list = adapter_entries_page or []
         for ent in annotate_entry_list:
             annotate_entry(ent)
+        if adapter_listing and adapter_listing.get("pagination_mode") == "cursor":
+            adapter_listing["items"] = annotate_entry_list
+            return adapter_listing
         return page(adapter_entries_page, adapter_total, page_num, page_size)
 
     @classmethod
@@ -273,7 +296,10 @@ class VirtualFSListingMixin(VirtualFSResolverMixin):
                 is_dir = False
             rel_name = rel.rstrip("/").split("/")[-1] if rel else path.rstrip("/").split("/")[-1]
             name_hint = str(info.get("name") or rel_name or "")
-            info["has_thumbnail"] = bool(not is_dir and (is_image_filename(name_hint) or is_video_filename(name_hint)))
+            if not is_dir and info.get("has_thumbnail") is not None:
+                info["has_thumbnail"] = bool(info.get("has_thumbnail"))
+            else:
+                info["has_thumbnail"] = bool(not is_dir and (is_image_filename(name_hint) or is_video_filename(name_hint)))
             if verbose and not is_dir:
                 vector_index = await cls._gather_vector_index(path)
                 if vector_index is not None:
@@ -290,13 +316,14 @@ class VirtualFSListingMixin(VirtualFSResolverMixin):
         page_size: int = 50,
         sort_by: str = "name",
         sort_order: str = "asc",
+        cursor: str | None = None,
     ) -> Dict:
         """
         带权限过滤的目录列表
         
         过滤掉用户没有读取权限的条目
         """
-        result = await cls.list_virtual_dir(path, page_num, page_size, sort_by, sort_order)
+        result = await cls.list_virtual_dir(path, page_num, page_size, sort_by, sort_order, cursor)
         items = result.get("items", [])
         if not items:
             return result

domain/virtual_fs/mapping/webdav_api.py

@@ -1,6 +1,7 @@
 import base64
 import hashlib
 import mimetypes
+import uuid
 from email.utils import formatdate
 from urllib.parse import urlparse, unquote
 from typing import Optional
@@ -43,6 +44,8 @@ def _dav_headers(extra: Optional[dict] = None) -> dict:
             "MKCOL",
             "MOVE",
             "COPY",
+            "LOCK",
+            "UNLOCK",
         ]),
     }
     if extra:
@@ -157,17 +160,19 @@ def _normalize_fs_path(path: str) -> str:
     return unquote(full)
 
 
+@router.options("")
 @router.options("/{path:path}")
 @audit(action=AuditAction.READ, description="WebDAV: OPTIONS", user_kw="user")
 async def options_root(_request: Request, path: str = "", _enabled: None = Depends(_ensure_webdav_enabled)):
     return Response(status_code=200, headers=_dav_headers())
 
 
+@router.api_route("", methods=["PROPFIND"])
 @router.api_route("/{path:path}", methods=["PROPFIND"])
 @audit(action=AuditAction.READ, description="WebDAV: PROPFIND", user_kw="user")
 async def propfind(
     request: Request,
-    path: str,
+    path: str = "",
     _enabled: None = Depends(_ensure_webdav_enabled),
     user: User = Depends(_get_basic_user),
 ):
@@ -247,7 +252,10 @@ async def dav_get(
     if full_path != "/":
         await PermissionService.require_path_permission(user.id, full_path, PathAction.READ)
     range_header = request.headers.get("Range")
-    return await VirtualFSService.stream_file(full_path, range_header)
+    try:
+        return await VirtualFSService.stream_file(full_path, range_header)
+    except FileNotFoundError:
+        raise HTTPException(404, detail="Not found")
 
 
 @router.head("/{path:path}")
@@ -280,29 +288,43 @@ async def dav_head(
     return Response(status_code=200, headers=headers)
 
 
+@router.api_route("", methods=["PUT"])
 @router.api_route("/{path:path}", methods=["PUT"])
 @audit(action=AuditAction.UPLOAD, description="WebDAV: PUT", user_kw="user")
 async def dav_put(
-    path: str,
     request: Request,
+    path: str = "",
     _enabled: None = Depends(_ensure_webdav_enabled),
     user: User = Depends(_get_basic_user),
 ):
     full_path = _normalize_fs_path(path)
     await PermissionService.require_path_permission(user.id, full_path, PathAction.WRITE)
+    existed = True
+    try:
+        await VirtualFSService.stat_file(full_path)
+    except FileNotFoundError:
+        existed = False
+    except HTTPException as exc:
+        if exc.status_code == 404:
+            existed = False
+        else:
+            raise
+
     async def body_iter():
         async for chunk in request.stream():
             if chunk:
                 yield chunk
-    size = await VirtualFSService.write_file_stream(full_path, body_iter(), overwrite=True)
-    return Response(status_code=201, headers=_dav_headers({"Content-Length": "0"}))
+
+    await VirtualFSService.write_file_stream(full_path, body_iter(), overwrite=True)
+    return Response(status_code=204 if existed else 201, headers=_dav_headers({"Content-Length": "0"}))
 
 
+@router.api_route("", methods=["DELETE"])
 @router.api_route("/{path:path}", methods=["DELETE"])
 @audit(action=AuditAction.DELETE, description="WebDAV: DELETE", user_kw="user")
 async def dav_delete(
-    path: str,
     _request: Request,
+    path: str = "",
     _enabled: None = Depends(_ensure_webdav_enabled),
     user: User = Depends(_get_basic_user),
 ):
@@ -312,6 +334,58 @@ async def dav_delete(
     return Response(status_code=204, headers=_dav_headers())
 
 
+@router.api_route("", methods=["LOCK"])
+@router.api_route("/{path:path}", methods=["LOCK"])
+@audit(action=AuditAction.UPDATE, description="WebDAV: LOCK", user_kw="user")
+async def dav_lock(
+    path: str = "",
+    _request: Request = None,
+    _enabled: None = Depends(_ensure_webdav_enabled),
+    user: User = Depends(_get_basic_user),
+):
+    full_path = _normalize_fs_path(path)
+    if full_path != "/":
+        await PermissionService.require_path_permission(user.id, full_path, PathAction.WRITE)
+
+    token = f"opaquelocktoken:{uuid.uuid4()}"
+    ns = "{DAV:}"
+    prop = ET.Element(ns + "prop")
+    lockdiscovery = ET.SubElement(prop, ns + "lockdiscovery")
+    activelock = ET.SubElement(lockdiscovery, ns + "activelock")
+    locktype = ET.SubElement(activelock, ns + "locktype")
+    ET.SubElement(locktype, ns + "write")
+    lockscope = ET.SubElement(activelock, ns + "lockscope")
+    ET.SubElement(lockscope, ns + "exclusive")
+    depth = ET.SubElement(activelock, ns + "depth")
+    depth.text = "Infinity"
+    locktoken = ET.SubElement(activelock, ns + "locktoken")
+    href = ET.SubElement(locktoken, ns + "href")
+    href.text = token
+
+    xml = ET.tostring(prop, encoding="utf-8", xml_declaration=True)
+    return Response(
+        content=xml,
+        status_code=200,
+        media_type='application/xml; charset="utf-8"',
+        headers=_dav_headers({"Lock-Token": f"<{token}>"}),
+    )
+
+
+@router.api_route("", methods=["UNLOCK"])
+@router.api_route("/{path:path}", methods=["UNLOCK"])
+@audit(action=AuditAction.UPDATE, description="WebDAV: UNLOCK", user_kw="user")
+async def dav_unlock(
+    path: str = "",
+    _request: Request = None,
+    _enabled: None = Depends(_ensure_webdav_enabled),
+    user: User = Depends(_get_basic_user),
+):
+    full_path = _normalize_fs_path(path)
+    if full_path != "/":
+        await PermissionService.require_path_permission(user.id, full_path, PathAction.WRITE)
+    return Response(status_code=204, headers=_dav_headers())
+
+
 @router.api_route("/{path:path}", methods=["MKCOL"])
 @audit(action=AuditAction.CREATE, description="WebDAV: MKCOL", user_kw="user")
 async def dav_mkcol(

domain/virtual_fs/routes.py

@@ -89,8 +89,17 @@ class VirtualFSRouteMixin(VirtualFSTempLinkMixin):
         adapter, mount, root, rel = await cls.resolve_adapter_and_rel(full_path)
         if not rel or rel.endswith("/"):
             raise HTTPException(400, detail="Not a file")
-        if not (is_image_filename(rel) or is_video_filename(rel)):
-            raise HTTPException(404, detail="Not an image or video")
+        has_native_thumb = False
+        if callable(getattr(adapter, "get_thumbnail", None)):
+            stat_file = getattr(adapter, "stat_file", None)
+            if callable(stat_file):
+                try:
+                    stat = await stat_file(root, rel)
+                    has_native_thumb = bool(isinstance(stat, dict) and stat.get("has_thumbnail"))
+                except Exception:
+                    has_native_thumb = False
+        if not (is_image_filename(rel) or is_video_filename(rel) or has_native_thumb):
+            raise HTTPException(404, detail="Not an image, video, or native thumbnail file")
         data, mime, key = await get_or_create_thumb(adapter, mount.id, root, rel, w, h, fit)  # type: ignore
         headers = {
             "Cache-Control": "public, max-age=3600",
@@ -266,15 +275,30 @@ class VirtualFSRouteMixin(VirtualFSTempLinkMixin):
     async def list_directory(cls, full_path: str, page_num: int, page_size: int, sort_by: str, sort_order: str):
         full_path = cls._normalize_path(full_path)
         result = await cls.list_virtual_dir(full_path, page_num, page_size, sort_by, sort_order)
+        pagination = {
+            "mode": result.get("pagination_mode", "paged"),
+            "page_size": result.get("page_size", page_size),
+        }
+        if pagination["mode"] == "cursor":
+            pagination.update(
+                {
+                    "cursor": result.get("cursor"),
+                    "next_cursor": result.get("next_cursor"),
+                    "has_next": bool(result.get("has_next")),
+                }
+            )
+        else:
+            pagination.update(
+                {
+                    "total": result["total"],
+                    "page": result["page"],
+                    "pages": result["pages"],
+                }
+            )
         return {
             "path": full_path,
             "entries": result["items"],
-            "pagination": {
-                "total": result["total"],
-                "page": result["page"],
-                "page_size": result["page_size"],
-                "pages": result["pages"],
-            },
+            "pagination": pagination,
         }
 
     @classmethod

domain/virtual_fs/service.py

@@ -26,9 +26,10 @@ class VirtualFSService(
         page_size: int = 50,
         sort_by: str = "name",
         sort_order: str = "asc",
+        cursor: str | None = None,
     ):
         """列出目录内容"""
-        return await cls.list_virtual_dir(path, page_num, page_size, sort_by, sort_order)
+        return await cls.list_virtual_dir(path, page_num, page_size, sort_by, sort_order, cursor)
 
     @classmethod
     async def list_directory_with_permission(
@@ -39,19 +40,35 @@ class VirtualFSService(
         page_size: int = 50,
         sort_by: str = "name",
         sort_order: str = "asc",
+        cursor: str | None = None,
     ):
         """列出目录内容（带权限过滤）"""
         full_path = cls._normalize_path(path).rstrip("/") or "/"
         result = await cls.list_virtual_dir_with_permission(
-            full_path, user_id, page_num, page_size, sort_by, sort_order
+            full_path, user_id, page_num, page_size, sort_by, sort_order, cursor
         )
+        pagination = {
+            "mode": result.get("pagination_mode", "paged") if isinstance(result, dict) else "paged",
+            "page_size": result.get("page_size", page_size) if isinstance(result, dict) else page_size,
+        }
+        if pagination["mode"] == "cursor":
+            pagination.update(
+                {
+                    "cursor": result.get("cursor") if isinstance(result, dict) else cursor,
+                    "next_cursor": result.get("next_cursor") if isinstance(result, dict) else None,
+                    "has_next": bool(result.get("has_next")) if isinstance(result, dict) else False,
+                }
+            )
+        else:
+            pagination.update(
+                {
+                    "total": result.get("total", 0) if isinstance(result, dict) else 0,
+                    "page": result.get("page", page_num) if isinstance(result, dict) else page_num,
+                    "pages": result.get("pages", 0) if isinstance(result, dict) else 0,
+                }
+            )
         return {
             "path": full_path,
             "entries": result.get("items", []) if isinstance(result, dict) else [],
-            "pagination": {
-                "total": result.get("total", 0) if isinstance(result, dict) else 0,
-                "page": result.get("page", page_num) if isinstance(result, dict) else page_num,
-                "page_size": result.get("page_size", page_size) if isinstance(result, dict) else page_size,
-                "pages": result.get("pages", 0) if isinstance(result, dict) else 0,
-            },
+            "pagination": pagination,
         }

domain/virtual_fs/thumbnail.py

@@ -23,6 +23,7 @@ VIDEO_HEAD_FALLBACK_LIMIT = 4 * 1024 * 1024  # 4MB
 VIDEO_THUMB_SEEK_SECONDS = (15, 10, 5, 3, 1, 0)
 VIDEO_BLACK_FRAME_MEAN_THRESHOLD = 12.0
 CACHE_ROOT = Path('data/.thumb_cache')
+THUMB_CACHE_VERSION = "v2"
 
 
 def is_image_filename(name: str) -> bool:
@@ -47,7 +48,7 @@ def is_video_filename(name: str) -> bool:
 
 
 def _cache_key(adapter_id: int, rel: str, size: int, mtime: int, w: int, h: int, fit: str) -> str:
-    raw = f"{adapter_id}|{rel}|{size}|{mtime}|{w}x{h}|{fit}".encode()
+    raw = f"{THUMB_CACHE_VERSION}|{adapter_id}|{rel}|{size}|{mtime}|{w}x{h}|{fit}".encode()
     return hashlib.sha1(raw).hexdigest()
 
 
@@ -385,8 +386,11 @@ async def get_or_create_thumb(adapter, adapter_id: int, root: str, rel: str, w:
     stat = await adapter.stat_file(root, rel)
     size = int(stat.get('size') or 0)
     is_video = is_video_filename(rel)
-    if not is_video and size > MAX_IMAGE_SOURCE_SIZE:
-        raise HTTPException(400, detail="Image too large for thumbnail")
+    is_image = is_image_filename(rel)
+    get_thumb_impl = getattr(adapter, "get_thumbnail", None)
+    should_try_native_thumb = callable(get_thumb_impl) and (
+        is_image or is_video or bool(stat.get("has_thumbnail"))
+    )
 
     key = _cache_key(adapter_id, rel, size, int(
         stat.get('mtime', 0)), w, h, fit)
@@ -397,8 +401,7 @@ async def get_or_create_thumb(adapter, adapter_id: int, root: str, rel: str, w:
     _ensure_cache_dir(path)
     thumb_bytes, mime = None, None
 
-    get_thumb_impl = getattr(adapter, "get_thumbnail", None)
-    if callable(get_thumb_impl):
+    if should_try_native_thumb:
         size_str = "large" if w > 400 else "medium" if w > 100 else "small"
         native_thumb_bytes = await get_thumb_impl(root, rel, size_str)
 
@@ -406,15 +409,15 @@ async def get_or_create_thumb(adapter, adapter_id: int, root: str, rel: str, w:
             try:
                 from PIL import Image
                 im = Image.open(io.BytesIO(native_thumb_bytes))
-                buf = io.BytesIO()
-                im.save(buf, 'WEBP', quality=85)
-                thumb_bytes = buf.getvalue()
-                mime = 'image/webp'
+                thumb_bytes, mime = _image_to_webp(im, w, h, fit)
             except Exception as e:
                 print(
                     f"Failed to convert native thumbnail to WebP: {e}, falling back.")
                 thumb_bytes, mime = None, None
 
+        if is_video and getattr(adapter, "native_video_thumbnail_only", False) and not thumb_bytes:
+            raise HTTPException(404, detail="Native video thumbnail unavailable")
+
     if not thumb_bytes:
         if is_video:
             async def _maybe_transcoding_thumb() -> Tuple[bytes, str] | None:
@@ -493,7 +496,9 @@ async def get_or_create_thumb(adapter, adapter_id: int, root: str, rel: str, w:
                         thumb_bytes, mime = retry_thumb, retry_mime
                 except Exception:
                     pass
-        else:
+        elif is_image:
+            if size > MAX_IMAGE_SOURCE_SIZE:
+                raise HTTPException(400, detail="Image too large for thumbnail")
             read_data = await adapter.read_file(root, rel)
             try:
                 thumb_bytes, mime = generate_thumb(
@@ -502,6 +507,8 @@ async def get_or_create_thumb(adapter, adapter_id: int, root: str, rel: str, w:
                 print(e)
                 raise HTTPException(
                     500, detail=f"Thumbnail generation failed: {e}")
+        else:
+            raise HTTPException(500, detail="Native thumbnail unavailable")
 
     if thumb_bytes:
         path.write_bytes(thumb_bytes)

main.py

@@ -23,6 +23,7 @@ import httpx
 from dotenv import load_dotenv
 from domain.tasks import task_queue_service, task_scheduler
 from domain.role.service import RoleService
+from domain.notices import notice_sync_service
 
 load_dotenv()
 
@@ -77,6 +78,7 @@ async def lifespan(app: FastAPI):
     from domain.plugins import init_plugins
     await init_plugins(app)
     await task_scheduler.start()
+    await notice_sync_service.start()
 
     # 在所有路由加载完成后，挂载静态文件服务（放在最后以避免覆盖 API 路由）
     app.mount("/", SPAStaticFiles(directory="web/dist", html=True, check_dir=False), name="static")
@@ -85,6 +87,7 @@ async def lifespan(app: FastAPI):
         try:
             yield
         finally:
+            await notice_sync_service.stop()
             await task_scheduler.stop()
             await task_queue_service.stop_worker()
             await close_db()

models/database.py

@@ -234,6 +234,33 @@ class ShareLink(Model):
         table = "share_links"
 
 
+class RecentFile(Model):
+    id = fields.IntField(pk=True)
+    user: fields.ForeignKeyRelation[UserAccount] = fields.ForeignKeyField(
+        "models.UserAccount", related_name="recent_files", on_delete=fields.CASCADE
+    )
+    path = fields.CharField(max_length=4096)
+    opened_at = fields.DatetimeField(auto_now=True)
+
+    class Meta:
+        table = "recent_files"
+        unique_together = (("user", "path"),)
+
+
+class Notice(Model):
+    id = fields.IntField(pk=True)
+    remote_id = fields.IntField(unique=True, index=True)
+    title = fields.CharField(max_length=255)
+    content_md = fields.TextField(null=True)
+    is_popup = fields.BooleanField(default=False)
+    popup_dismissed = fields.BooleanField(default=False)
+    created_at = fields.DatetimeField()
+    updated_at = fields.DatetimeField(auto_now=True)
+
+    class Meta:
+        table = "notices"
+
+
 class Plugin(Model):
     id = fields.IntField(pk=True)
     key = fields.CharField(max_length=100, unique=True)  # 插件唯一标识

pyproject.toml

@@ -11,13 +11,13 @@ dependencies = [
     "fastapi>=0.127.0",
     "mcp>=1.26.0",
     "paramiko>=4.0.0",
-    "pillow>=12.0.0",
+    "pillow>=12.2.0",
     "pydantic[email]>=2.12.5",
     "pyjwt>=2.10.1",
     "pymilvus[milvus-lite]>=2.6.5",
     "pysocks>=1.7.1",
-    "python-dotenv>=1.2.1",
-    "python-multipart>=0.0.21",
+    "python-dotenv>=1.2.2",
+    "python-multipart>=0.0.27",
     "qdrant-client>=1.16.2",
     "setuptools<82",
     "telethon>=1.42.0",

uv.lock

@@ -469,13 +469,13 @@ requires-dist = [
     { name = "fastapi", specifier = ">=0.127.0" },
     { name = "mcp", specifier = ">=1.26.0" },
     { name = "paramiko", specifier = ">=4.0.0" },
-    { name = "pillow", specifier = ">=12.0.0" },
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+    { url = "https://files.pythonhosted.org/packages/6e/32/2880fb3a074847ac159d8f902cb43278a61e85f681661e7419e6596803ed/pillow-12.2.0-cp314-cp314t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:8e9c4f5b3c546fa3458a29ab22646c1c6c787ea8f5ef51300e5a60300736905e", size = 7116720, upload-time = "2026-04-01T14:45:39.258Z" },
+    { url = "https://files.pythonhosted.org/packages/46/87/495cc9c30e0129501643f24d320076f4cc54f718341df18cc70ec94c44e1/pillow-12.2.0-cp314-cp314t-musllinux_1_2_aarch64.whl", hash = "sha256:fb043ee2f06b41473269765c2feae53fc2e2fbf96e5e22ca94fb5ad677856f06", size = 6540498, upload-time = "2026-04-01T14:45:41.879Z" },
+    { url = "https://files.pythonhosted.org/packages/18/53/773f5edca692009d883a72211b60fdaf8871cbef075eaa9d577f0a2f989e/pillow-12.2.0-cp314-cp314t-musllinux_1_2_x86_64.whl", hash = "sha256:f278f034eb75b4e8a13a54a876cc4a5ab39173d2cdd93a638e1b467fc545ac43", size = 7239413, upload-time = "2026-04-01T14:45:44.705Z" },
+    { url = "https://files.pythonhosted.org/packages/c9/e4/4b64a97d71b2a83158134abbb2f5bd3f8a2ea691361282f010998f339ec7/pillow-12.2.0-cp314-cp314t-win32.whl", hash = "sha256:6bb77b2dcb06b20f9f4b4a8454caa581cd4dd0643a08bacf821216a16d9c8354", size = 6482084, upload-time = "2026-04-01T14:45:47.568Z" },
+    { url = "https://files.pythonhosted.org/packages/ba/13/306d275efd3a3453f72114b7431c877d10b1154014c1ebbedd067770d629/pillow-12.2.0-cp314-cp314t-win_amd64.whl", hash = "sha256:6562ace0d3fb5f20ed7290f1f929cae41b25ae29528f2af1722966a0a02e2aa1", size = 7225152, upload-time = "2026-04-01T14:45:50.032Z" },
+    { url = "https://files.pythonhosted.org/packages/ff/6e/cf826fae916b8658848d7b9f38d88da6396895c676e8086fc0988073aaf8/pillow-12.2.0-cp314-cp314t-win_arm64.whl", hash = "sha256:aa88ccfe4e32d362816319ed727a004423aab09c5cea43c01a4b435643fa34eb", size = 2556579, upload-time = "2026-04-01T14:45:52.529Z" },
 ]
 
 [[package]]
@@ -1170,20 +1170,20 @@ wheels = [
 
 [[package]]
 name = "python-dotenv"
-version = "1.2.1"
+version = "1.2.2"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/f0/26/19cadc79a718c5edbec86fd4919a6b6d3f681039a2f6d66d14be94e75fb9/python_dotenv-1.2.1.tar.gz", hash = "sha256:42667e897e16ab0d66954af0e60a9caa94f0fd4ecf3aaf6d2d260eec1aa36ad6", size = 44221, upload-time = "2025-10-26T15:12:10.434Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/82/ed/0301aeeac3e5353ef3d94b6ec08bbcabd04a72018415dcb29e588514bba8/python_dotenv-1.2.2.tar.gz", hash = "sha256:2c371a91fbd7ba082c2c1dc1f8bf89ca22564a087c2c287cd9b662adde799cf3", size = 50135, upload-time = "2026-03-01T16:00:26.196Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/14/1b/a298b06749107c305e1fe0f814c6c74aea7b2f1e10989cb30f544a1b3253/python_dotenv-1.2.1-py3-none-any.whl", hash = "sha256:b81ee9561e9ca4004139c6cbba3a238c32b03e4894671e181b671e8cb8425d61", size = 21230, upload-time = "2025-10-26T15:12:09.109Z" },
+    { url = "https://files.pythonhosted.org/packages/0b/d7/1959b9648791274998a9c3526f6d0ec8fd2233e4d4acce81bbae76b44b2a/python_dotenv-1.2.2-py3-none-any.whl", hash = "sha256:1d8214789a24de455a8b8bd8ae6fe3c6b69a5e3d64aa8a8e5d68e694bbcb285a", size = 22101, upload-time = "2026-03-01T16:00:25.09Z" },
 ]
 
 [[package]]
 name = "python-multipart"
-version = "0.0.22"
+version = "0.0.27"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/94/01/979e98d542a70714b0cb2b6728ed0b7c46792b695e3eaec3e20711271ca3/python_multipart-0.0.22.tar.gz", hash = "sha256:7340bef99a7e0032613f56dc36027b959fd3b30a787ed62d310e951f7c3a3a58", size = 37612, upload-time = "2026-01-25T10:15:56.219Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/69/9b/f23807317a113dc36e74e75eb265a02dd1a4d9082abc3c1064acd22997c4/python_multipart-0.0.27.tar.gz", hash = "sha256:9870a6a8c5a20a5bf4f07c017bd1489006ff8836cff097b6933355ee2b49b602", size = 44043, upload-time = "2026-04-27T10:51:26.649Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/1b/d0/397f9626e711ff749a95d96b7af99b9c566a9bb5129b8e4c10fc4d100304/python_multipart-0.0.22-py3-none-any.whl", hash = "sha256:2b2cd894c83d21bf49d702499531c7bafd057d730c201782048f7945d82de155", size = 24579, upload-time = "2026-01-25T10:15:54.811Z" },
+    { url = "https://files.pythonhosted.org/packages/99/78/4126abcbdbd3c559d43e0db7f7b9173fc6befe45d39a2856cc0b8ec2a5a6/python_multipart-0.0.27-py3-none-any.whl", hash = "sha256:6fccfad17a27334bd0193681b369f476eda3409f17381a2d65aa7df3f7275645", size = 29254, upload-time = "2026-04-27T10:51:24.997Z" },
 ]
 
 [[package]]

web/src/api/adapters.ts

@@ -10,6 +10,20 @@ export interface AdapterItem {
   sub_path?: string | null;
 }
 
+export interface AdapterUsage {
+  id: number;
+  name: string;
+  type: string;
+  path: string;
+  supported: boolean;
+  used_bytes?: number | null;
+  total_bytes?: number | null;
+  free_bytes?: number | null;
+  source?: string | null;
+  scope?: string | null;
+  reason?: string | null;
+}
+
 export interface AdapterTypeField {
   key: string;
   label: string;
@@ -31,4 +45,6 @@ export const adaptersApi = {
   update: (id: number, payload: Omit<AdapterItem, 'id'>) => request<AdapterItem>(`/adapters/${id}`, { method: 'PUT', json: payload }),
   remove: (id: number) => request<void>(`/adapters/${id}`, { method: 'DELETE' }),
   available: () => request<AdapterTypeMeta[]>('/adapters/available'),
+  usage: () => request<AdapterUsage[]>('/adapters/usage'),
+  usageById: (id: number) => request<AdapterUsage>(`/adapters/${id}/usage`),
 };

web/src/api/client.ts

@@ -71,7 +71,7 @@ async function request<T = any>(url: string, options: RequestOptions = {}): Prom
 }
 
 export { vfsApi, type VfsEntry, type DirListing } from './vfs';
-export { adaptersApi, type AdapterItem, type AdapterTypeField, type AdapterTypeMeta } from './adapters';
+export { adaptersApi, type AdapterItem, type AdapterTypeField, type AdapterTypeMeta, type AdapterUsage } from './adapters';
 export { shareApi, type ShareInfo, type ShareInfoWithPassword } from './share';
 export { offlineDownloadsApi, type OfflineDownloadTask, type OfflineDownloadCreate, type TaskProgress } from './offlineDownloads';
 export default request;

web/src/api/notices.ts

@@ -1,3 +1,5 @@
+import request from './client';
+
 export interface NoticeItem {
   id: number;
   title: string;
@@ -14,42 +16,17 @@ export interface GetNoticesResponse {
 }
 
 export interface GetNoticesParams {
-  version: string;
   page?: number;
 }
 
-const FOXEL_CORE_BASE = 'https://foxel.cc';
-
-function normalizeVersion(version: string) {
-  return (version || '').trim().replace(/^v/i, '');
-}
-
-function extractErrorMessage(data: any) {
-  if (!data) return '';
-  if (typeof data === 'string') return data;
-  if (typeof data.detail === 'string') return data.detail;
-  if (typeof data.code === 'string') return data.code;
-  if (typeof data.message === 'string') return data.message;
-  if (typeof data.msg === 'string') return data.msg;
-  return '';
-}
-
 export const noticesApi = {
   list: async (params: GetNoticesParams): Promise<GetNoticesResponse> => {
-    const url = new URL('/api/notices', FOXEL_CORE_BASE);
-    url.searchParams.set('version', normalizeVersion(params.version));
-    url.searchParams.set('page', String(params.page ?? 1));
-
-    const resp = await fetch(url.href);
-    if (!resp.ok) {
-      let msg = resp.statusText || `Request failed: ${resp.status}`;
-      try {
-        const data = await resp.json();
-        msg = extractErrorMessage(data) || msg;
-      } catch { void 0; }
-      throw new Error(msg);
-    }
-    return await resp.json();
+    return await request<GetNoticesResponse>(`/notices?page=${params.page ?? 1}`);
+  },
+  getPopup: async (): Promise<NoticeItem | null> => {
+    return await request<NoticeItem | null>('/notices/popup');
+  },
+  dismiss: async (id: number): Promise<void> => {
+    await request(`/notices/${id}/dismiss`, { method: 'POST' });
   },
 };
-

web/src/api/vfs.ts

@@ -13,10 +13,14 @@ export interface DirListing {
   path: string;
   entries: VfsEntry[];
   pagination?: {
-    total: number;
-    page: number;
+    mode?: 'paged' | 'cursor';
     page_size: number;
-    pages: number;
+    total?: number;
+    page?: number;
+    pages?: number;
+    cursor?: string | null;
+    next_cursor?: string | null;
+    has_next?: boolean;
   };
 }
 
@@ -47,7 +51,7 @@ export interface SearchResponse {
 }
 
 export const vfsApi = {
-  list: (path: string, page: number = 1, pageSize: number = 50, sortBy: string = 'name', sortOrder: string = 'asc') => {
+  list: (path: string, page: number = 1, pageSize: number = 50, sortBy: string = 'name', sortOrder: string = 'asc', cursor?: string | null) => {
     const cleaned = path.replace(/\\/g, '/');
     const trimmed = cleaned === '/' ? '' : cleaned.replace(/^\/+/, '');
     const params = new URLSearchParams({
@@ -56,6 +60,7 @@ export const vfsApi = {
       sort_by: sortBy,
       sort_order: sortOrder
     });
+    if (cursor) params.set('cursor', cursor);
     return request<DirListing>(`/fs/${encodeURI(trimmed)}?${params}`);
   },
   readFile: async (path: string) => {

web/src/apps/PluginHost/index.tsx

@@ -24,6 +24,16 @@ function getPluginStylePaths(plugin: PluginItem): string[] {
   return styles.filter((s) => typeof s === 'string' && s.trim().length > 0);
 }
 
+function unloadPluginFrame(iframe: HTMLIFrameElement | null) {
+  if (!iframe) return;
+  try {
+    iframe.contentWindow?.postMessage({ type: 'foxel-plugin:unload' }, window.location.origin);
+  } catch {
+    void 0;
+  }
+  iframe.src = 'about:blank';
+}
+
 /**
  * 插件宿主组件 - 文件打开模式
  * 使用 iframe 隔离渲染与样式，避免插件污染宿主 DOM/CSS。
@@ -66,7 +76,10 @@ export const PluginAppHost: React.FC<PluginAppHostProps> = ({
     };
 
     window.addEventListener('message', onMessage);
-    return () => window.removeEventListener('message', onMessage);
+    return () => {
+      window.removeEventListener('message', onMessage);
+      unloadPluginFrame(iframeRef.current);
+    };
   }, [plugin.key]);
 
   return (
@@ -118,7 +131,10 @@ export const PluginAppOpenHost: React.FC<PluginAppOpenHostProps> = ({ plugin, on
     };
 
     window.addEventListener('message', onMessage);
-    return () => window.removeEventListener('message', onMessage);
+    return () => {
+      window.removeEventListener('message', onMessage);
+      unloadPluginFrame(iframeRef.current);
+    };
   }, [plugin.key]);
 
   return (

web/src/components/NoticesModal.tsx

@@ -7,11 +7,11 @@ import { useI18n } from '../i18n';
 
 export interface NoticesModalProps {
   open: boolean;
-  version: string;
   onClose: () => void;
+  initialNotice?: NoticeItem | null;
 }
 
-const NoticesModal = memo(function NoticesModal({ open, version, onClose }: NoticesModalProps) {
+const NoticesModal = memo(function NoticesModal({ open, onClose, initialNotice }: NoticesModalProps) {
   const { token } = theme.useToken();
   const { t } = useI18n();
   const [items, setItems] = useState<NoticeItem[]>([]);
@@ -28,12 +28,15 @@ const NoticesModal = memo(function NoticesModal({ open, version, onClose }: Noti
     if (mode === 'replace') setLoading(true);
     else setLoadingMore(true);
     try {
-      const resp = await noticesApi.list({ version, page: targetPage });
+      const resp = await noticesApi.list({ page: targetPage });
       setPage(resp.page ?? targetPage);
       setTotal(resp.total ?? 0);
-      setItems(prev => mode === 'replace' ? resp.items : [...prev, ...resp.items]);
+      const nextItems = mode === 'replace' && initialNotice && !resp.items.some(item => item.id === initialNotice.id)
+        ? [initialNotice, ...resp.items]
+        : resp.items;
+      setItems(prev => mode === 'replace' ? nextItems : [...prev, ...resp.items]);
       if (mode === 'replace') {
-        setSelectedId(resp.items[0]?.id ?? null);
+        setSelectedId(initialNotice?.id ?? resp.items[0]?.id ?? null);
       } else {
         setSelectedId(prev => prev ?? resp.items[0]?.id ?? null);
       }
@@ -55,7 +58,7 @@ const NoticesModal = memo(function NoticesModal({ open, version, onClose }: Noti
     setSelectedId(null);
     loadPage(1, 'replace');
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [open, version]);
+  }, [open, initialNotice?.id]);
 
   const formatTime = (ts: number) => {
     try {
@@ -181,4 +184,3 @@ const NoticesModal = memo(function NoticesModal({ open, version, onClose }: Noti
 });
 
 export default NoticesModal;
-

web/src/i18n/locales/en.json

@@ -34,6 +34,7 @@
   "English": "English",
   "Default Language": "Default Language",
   "Used when the user has not selected a language": "Used when the user has not selected a language",
+  "Default File View Mode": "Default File View Mode",
   "Full Name": "Full Name",
   "Email": "Email",
   "Change Password": "Change Password",
@@ -239,6 +240,20 @@
   "Type": "Type",
   "Folder": "Folder",
   "File": "File",
+  "Image": "Image",
+  "Video": "Video",
+  "Audio": "Audio",
+  "PDF": "PDF",
+  "Word": "Word",
+  "Spreadsheet": "Spreadsheet",
+  "Presentation": "Presentation",
+  "Archive": "Archive",
+  "Code": "Code",
+  "Markdown": "Markdown",
+  "Text": "Text",
+  "Font": "Font",
+  "Database": "Database",
+  "Config": "Config",
   "Path": "Path",
   "Path copied to clipboard": "Path copied to clipboard",
   "Copy failed": "Copy failed",
@@ -514,6 +529,8 @@
   "Unique name": "Unique name",
   "Select adapter type": "Select adapter type",
   "/ or /drive": "/ or /drive",
+  "Used Capacity": "Used Capacity",
+  "Capacity Usage": "Capacity Usage",
   "Adapter Config": "Adapter Config",
   "adapter.type.local": "Local Filesystem",
   "adapter.type.foxel": "Foxel Node",

web/src/i18n/locales/zh.json

@@ -57,6 +57,7 @@
   "English": "English",
   "Default Language": "默认语言",
   "Used when the user has not selected a language": "用户未手动选择语言时使用",
+  "Default File View Mode": "默认文件展示方式",
   "Full Name": "昵称",
   "Email": "邮箱",
   "Change Password": "修改密码",
@@ -258,6 +259,20 @@
   "Type": "类型",
   "Folder": "文件夹",
   "File": "文件",
+  "Image": "图片",
+  "Video": "视频",
+  "Audio": "音频",
+  "PDF": "PDF",
+  "Word": "Word 文档",
+  "Spreadsheet": "表格",
+  "Presentation": "演示文稿",
+  "Archive": "压缩包",
+  "Code": "代码",
+  "Markdown": "Markdown",
+  "Text": "文本",
+  "Font": "字体",
+  "Database": "数据库",
+  "Config": "配置",
   "Path": "路径",
   "Path copied to clipboard": "路径已复制到剪贴板",
   "Copy failed": "复制失败",
@@ -513,6 +528,8 @@
   "Unique name": "唯一名称",
   "Select adapter type": "选择适配器类型",
   "/ or /drive": "/或/drive",
+  "Used Capacity": "已使用容量",
+  "Capacity Usage": "容量使用",
   "Adapter Config": "适配器配置",
   "adapter.type.local": "本地文件系统",
   "adapter.type.foxel": "Foxel 节点",
@@ -773,7 +790,6 @@
   "Users": "用户",
   "Create User": "创建用户",
   "Create Role": "创建角色",
-  "Edit": "编辑",
   "Submit": "提交",
   "Super Admin": "超级管理员",
   "Disabled": "已禁用",
@@ -794,14 +810,11 @@
   "Is Regex": "正则表达式",
   "Priority": "优先级",
   "Higher value = higher priority": "数值越大优先级越高",
-  "Permissions": "权限",
   "System Permissions": "系统权限",
   "Download and preview files": "下载和预览文件",
   "Upload and modify files": "上传和修改文件",
   "Delete files and folders": "删除文件和目录",
   "Create share links": "创建分享链接",
-  "Share": "分享",
-  "Delete": "删除",
   "permission.category.system": "系统",
   "permission.category.adapter": "存储适配器"
 }

web/src/layout/TopHeader.tsx

@@ -1,6 +1,6 @@
 import { Layout, Button, Dropdown, theme, Flex, Avatar, Typography, Tooltip, Modal, QRCode } from 'antd';
 import { SearchOutlined, MenuUnfoldOutlined, LogoutOutlined, UserOutlined, RobotOutlined, BellOutlined, QrcodeOutlined } from '@ant-design/icons';
-import { memo, useMemo, useState } from 'react';
+import { memo, useEffect, useMemo, useState } from 'react';
 import SearchDialog from './SearchDialog.tsx';
 import { authApi } from '../api/auth.ts';
 import { useNavigate } from 'react-router';
@@ -9,8 +9,8 @@ import LanguageSwitcher from '../components/LanguageSwitcher';
 import { useAuth } from '../contexts/AuthContext';
 import ProfileModal from '../components/ProfileModal';
 import NoticesModal from '../components/NoticesModal';
-import { useSystemStatus } from '../contexts/SystemContext';
 import useResponsive from '../hooks/useResponsive';
+import { noticesApi, type NoticeItem } from '../api/notices';
 
 const { Header } = Layout;
 
@@ -30,7 +30,8 @@ const TopHeader = memo(function TopHeader({ collapsed, onToggle, onOpenAiAgent,
   const [profileOpen, setProfileOpen] = useState(false);
   const [clientAuthOpen, setClientAuthOpen] = useState(false);
   const [noticesOpen, setNoticesOpen] = useState(false);
-  const status = useSystemStatus();
+  const [popupNotice, setPopupNotice] = useState<NoticeItem | null>(null);
+  const [popupMode, setPopupMode] = useState(false);
   const { isMobile } = useResponsive();
   const clientAuthPayload = useMemo(() => JSON.stringify({
     base_url: window.location.origin,
@@ -44,6 +45,35 @@ const TopHeader = memo(function TopHeader({ collapsed, onToggle, onOpenAiAgent,
 
   const openProfile = () => setProfileOpen(true);
   const openClientAuth = () => setClientAuthOpen(true);
+  const openNotices = () => {
+    setPopupMode(false);
+    setNoticesOpen(true);
+  };
+  const closeNotices = async () => {
+    const shouldDismiss = popupMode && popupNotice;
+    setNoticesOpen(false);
+    setPopupMode(false);
+    if (shouldDismiss) {
+      try {
+        await noticesApi.dismiss(popupNotice.id);
+        setPopupNotice(null);
+      } catch { void 0; }
+    }
+  };
+
+  useEffect(() => {
+    let cancelled = false;
+    if (!authToken) return;
+    noticesApi.getPopup().then((notice) => {
+      if (cancelled || !notice) return;
+      setPopupNotice(notice);
+      setPopupMode(true);
+      setNoticesOpen(true);
+    }).catch(() => void 0);
+    return () => {
+      cancelled = true;
+    };
+  }, [authToken]);
 
   return (
     <Header
@@ -84,7 +114,7 @@ const TopHeader = memo(function TopHeader({ collapsed, onToggle, onOpenAiAgent,
             type="text"
             icon={<BellOutlined />}
             aria-label={t('Notices')}
-            onClick={() => setNoticesOpen(true)}
+            onClick={openNotices}
             style={{ paddingInline: 8, height: 40 }}
           />
         </Tooltip>
@@ -133,7 +163,7 @@ const TopHeader = memo(function TopHeader({ collapsed, onToggle, onOpenAiAgent,
             <QRCode value={clientAuthPayload} size={220} />
           </Flex>
         </Modal>
-        <NoticesModal open={noticesOpen} onClose={() => setNoticesOpen(false)} version={status?.version || ''} />
+        <NoticesModal open={noticesOpen} onClose={closeNotices} initialNotice={popupMode ? popupNotice : null} />
       </Flex>
     </Header>
   );

web/src/pages/AdaptersPage.tsx

@@ -1,12 +1,29 @@
 import { memo, useState, useEffect, useCallback } from 'react';
 import { Table, Button, Space, Drawer, Form, Input, Switch, message, Typography, Popconfirm, Select } from 'antd';
 import PageCard from '../components/PageCard';
-import { adaptersApi, type AdapterItem, type AdapterTypeMeta } from '../api/client';
+import { adaptersApi, type AdapterItem, type AdapterTypeMeta, type AdapterUsage } from '../api/client';
 import { useI18n } from '../i18n';
 
+const formatBytes = (bytes?: number | null) => {
+  if (bytes === null || bytes === undefined) return '-';
+  if (bytes === 0) return '0 B';
+  const units = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
+  const index = Math.min(Math.floor(Math.log(bytes) / Math.log(1024)), units.length - 1);
+  const value = bytes / (1024 ** index);
+  return `${value.toFixed(value >= 10 || index === 0 ? 0 : 1)} ${units[index]}`;
+};
+
+const formatUsage = (usage?: AdapterUsage) => {
+  if (!usage?.supported || usage.used_bytes === null || usage.used_bytes === undefined) return '-';
+  const used = formatBytes(usage.used_bytes);
+  if (usage.total_bytes === null || usage.total_bytes === undefined) return used;
+  return `${used} / ${formatBytes(usage.total_bytes)}`;
+};
+
 const AdaptersPage = memo(function AdaptersPage() {
   const [loading, setLoading] = useState(false);
   const [data, setData] = useState<AdapterItem[]>([]);
+  const [usageMap, setUsageMap] = useState<Record<number, AdapterUsage>>({});
   const [open, setOpen] = useState(false);
   const [editing, setEditing] = useState<AdapterItem | null>(null);
   const [form] = Form.useForm();
@@ -16,12 +33,14 @@ const AdaptersPage = memo(function AdaptersPage() {
   const fetchList = useCallback(async () => {
     setLoading(true);
     try {
-      const [list, types] = await Promise.all([
+      const [list, types, usages] = await Promise.all([
         adaptersApi.list(),
-        adaptersApi.available()
+        adaptersApi.available(),
+        adaptersApi.usage()
       ]);
       setData(list);
       setAvailableTypes(types);
+      setUsageMap(Object.fromEntries(usages.map(item => [item.id, item])));
     } catch (e: any) {
       message.error(e.message || t('Load failed'));
     } finally {
@@ -137,11 +156,47 @@ const AdaptersPage = memo(function AdaptersPage() {
     return label === key ? type : label;
   }, [t]);
 
+  const usageSummary = Object.values(usageMap).reduce(
+    (acc, usage) => {
+      if (!usage.supported) return acc;
+      if (usage.used_bytes !== null && usage.used_bytes !== undefined) {
+        acc.used += usage.used_bytes;
+        acc.hasUsed = true;
+      }
+      if (usage.total_bytes !== null && usage.total_bytes !== undefined) {
+        acc.total += usage.total_bytes;
+        acc.hasTotal = true;
+      }
+      return acc;
+    },
+    { used: 0, total: 0, hasUsed: false, hasTotal: false }
+  );
+
+  const pageTitle = (
+    <Space size={12} wrap>
+      <span>{t('Storage Adapters')}</span>
+      {(usageSummary.hasUsed || usageSummary.hasTotal) && (
+        <Typography.Text type="secondary" style={{ fontSize: 13, fontWeight: 400 }}>
+          {usageSummary.hasUsed ? formatBytes(usageSummary.used) : '-'}
+          {' / '}
+          {usageSummary.hasTotal ? formatBytes(usageSummary.total) : '-'}
+        </Typography.Text>
+      )}
+    </Space>
+  );
+
   const columns = [
     { title: t('Name'), dataIndex: 'name' },
     { title: t('Type'), dataIndex: 'type', width: 140, render: (value: string) => renderTypeLabel(value) },
     { title: t('Mount Path'), dataIndex: 'path', width: 140, render: (v: string) => v || '-' },
     { title: t('Sub Path'), dataIndex: 'sub_path', width: 140, render: (v: string) => v || '-' },
+    {
+      title: t('Capacity Usage'),
+      width: 180,
+      render: (_: any, rec: AdapterItem) => {
+        return formatUsage(usageMap[rec.id]);
+      }
+    },
     {
       title: t('Enabled'),
       dataIndex: 'enabled',
@@ -208,7 +263,7 @@ const AdaptersPage = memo(function AdaptersPage() {
 
   return (
     <PageCard
-      title={t('Storage Adapters')}
+      title={pageTitle}
       extra={
         <Space wrap>
           <Button onClick={fetchList} loading={loading}>{t('Refresh')}</Button>

web/src/pages/FileExplorerPage/FileExplorerPage.tsx

@@ -1,6 +1,6 @@
 import { memo, useCallback, useEffect, useRef, useState } from 'react';
 import { useParams } from 'react-router';
-import { theme, Pagination } from 'antd';
+import { Button, Space, theme, Pagination } from 'antd';
 import { useFileExplorer } from './hooks/useFileExplorer';
 import { useFileSelection } from './hooks/useFileSelection';
 import { useFileActions } from './hooks/useFileActions.tsx';
@@ -28,6 +28,7 @@ import { MoveCopyModal } from './components/Modals/MoveCopyModal';
 import { SearchResultsView } from './components/SearchResultsView';
 import type { ViewMode } from './types';
 import { vfsApi, type VfsEntry } from '../../api/client';
+import { getPublicConfig } from '../../api/config';
 import { LoadingSkeleton } from './components/LoadingSkeleton';
 import useResponsive from '../../hooks/useResponsive';
 
@@ -42,7 +43,7 @@ const FileExplorerPage = memo(function FileExplorerPage() {
   const skeletonTimerRef = useRef<number | null>(null);
 
   // --- Hooks ---
-  const { path, entries, loading, pagination, processorTypes, sortBy, sortOrder, load, navigateTo, goUp, handlePaginationChange, refresh, handleSortChange } = useFileExplorer(navKey);
+  const { path, entries, loading, pagination, processorTypes, sortBy, sortOrder, load, navigateTo, goUp, handlePaginationChange, refresh, handleSortChange, goCursorNext, goCursorPrev } = useFileExplorer(navKey);
   const { selectedEntries, handleSelect, handleSelectRange, clearSelection, setSelectedEntries } = useFileSelection();
   const { openFileWithDefaultApp, confirmOpenWithApp } = useAppWindows();
   const { ctxMenu, blankCtxMenu, openContextMenu, openBlankContextMenu, openContextMenuAt, closeContextMenus } = useContextMenu();
@@ -106,6 +107,21 @@ const FileExplorerPage = memo(function FileExplorerPage() {
     load(routePath, 1, pagination.pageSize, sortBy, sortOrder);
   }, [routePath, navKey, load, pagination.pageSize, sortBy, sortOrder]);
 
+  useEffect(() => {
+    let mounted = true;
+    getPublicConfig()
+      .then((cfg) => {
+        if (!mounted || isMobile) return;
+        setViewMode(cfg.DEFAULT_FILE_VIEW_MODE === 'list' ? 'list' : 'grid');
+      })
+      .catch(() => {
+        if (mounted && !isMobile) setViewMode('grid');
+      });
+    return () => {
+      mounted = false;
+    };
+  }, [isMobile]);
+
   useEffect(() => {
     if (isMobile && viewMode !== 'grid') {
       setViewMode('grid');
@@ -205,8 +221,10 @@ const FileExplorerPage = memo(function FileExplorerPage() {
     }
     return joined.startsWith('/') ? joined : `/${joined}`;
   }, [entryBasePath]);
-  const showFsPagination = !isSearching && pagination.total > 0;
+  const showFsPagination = !isSearching && pagination.mode === 'paged' && pagination.total > 0;
+  const showCursorPagination = !isSearching && pagination.mode === 'cursor' && (pagination.cursorHistory.length > 0 || pagination.hasNext);
   const shouldReserveBottomBar = showSearchPagination || showFsPagination;
+  const shouldReserveAnyBottomBar = shouldReserveBottomBar || showCursorPagination;
 
   const handleDragEnter = (e: React.DragEvent) => {
     e.preventDefault();
@@ -282,6 +300,7 @@ const FileExplorerPage = memo(function FileExplorerPage() {
         viewMode={viewMode}
         sortBy={sortBy}
         sortOrder={sortOrder}
+        paginationMode={pagination.mode}
         isMobile={isMobile}
         onGoUp={goUp}
         onNavigate={navigateTo}
@@ -309,7 +328,7 @@ const FileExplorerPage = memo(function FileExplorerPage() {
         onChange={handleDirectoryInputChange}
       />
 
-      <div style={{ flex: 1, overflow: 'auto', minHeight: 0, paddingBottom: shouldReserveBottomBar ? '80px' : '0' }} onContextMenu={isMobile ? undefined : openBlankContextMenu}>
+      <div style={{ flex: 1, overflow: 'auto', minHeight: 0, paddingBottom: shouldReserveAnyBottomBar ? '80px' : '0' }} onContextMenu={isMobile ? undefined : openBlankContextMenu}>
         {isSearching ? (
           <SearchResultsView
             viewMode={viewMode}
@@ -364,6 +383,19 @@ const FileExplorerPage = memo(function FileExplorerPage() {
         </div>
       )}
 
+      {showCursorPagination && (
+        <div style={{ position: 'absolute', bottom: 0, left: 0, right: 0, padding: '12px 16px', background: token.colorBgContainer, borderTop: `1px solid ${token.colorBorderSecondary}`, textAlign: 'center', zIndex: 10 }}>
+          <Space>
+            <Button size="small" onClick={goCursorPrev} disabled={pagination.cursorHistory.length === 0 || loading}>
+              上一页
+            </Button>
+            <Button size="small" type="primary" onClick={goCursorNext} disabled={!pagination.hasNext || loading}>
+              下一页
+            </Button>
+          </Space>
+        </div>
+      )}
+
       {showSearchPagination && (
         <div style={{ position: 'absolute', bottom: 0, left: 0, right: 0, padding: '12px 16px', background: token.colorBgContainer, borderTop: `1px solid ${token.colorBorderSecondary}`, textAlign: 'center', zIndex: 10 }}>
           <Pagination

web/src/pages/FileExplorerPage/components/FileListView.tsx

@@ -19,6 +19,45 @@ interface FileListViewProps {
   onContextMenu: (e: React.MouseEvent, entry: VfsEntry) => void;
 }
 
+const fileTypeGroups: Array<{ key: string; exts: string[] }> = [
+  { key: 'Image', exts: ['png', 'jpg', 'jpeg', 'gif', 'webp', 'svg', 'bmp', 'ico', 'tiff'] },
+  { key: 'Video', exts: ['mp4', 'avi', 'mov', 'wmv', 'flv', 'mkv', 'webm', 'm4v', '3gp'] },
+  { key: 'Audio', exts: ['mp3', 'wav', 'flac', 'aac', 'ogg', 'wma', 'm4a'] },
+  { key: 'PDF', exts: ['pdf'] },
+  { key: 'Word', exts: ['doc', 'docx'] },
+  { key: 'Spreadsheet', exts: ['xls', 'xlsx', 'csv'] },
+  { key: 'Presentation', exts: ['ppt', 'pptx'] },
+  { key: 'Archive', exts: ['zip', 'rar', '7z', 'tar', 'gz', 'bz2', 'xz'] },
+  { key: 'Code', exts: ['js', 'jsx', 'ts', 'tsx', 'vue', 'html', 'htm', 'css', 'scss', 'sass', 'less', 'json', 'xml', 'yaml', 'yml', 'py', 'java', 'cpp', 'cc', 'cxx', 'c', 'h', 'hpp', 'hxx', 'php', 'rb', 'go', 'rs', 'rust', 'swift', 'kt', 'scala', 'clj', 'cljs', 'cs', 'vb', 'fs', 'pl', 'pm', 'r', 'lua', 'dart', 'elm'] },
+  { key: 'Markdown', exts: ['md', 'markdown'] },
+  { key: 'Text', exts: ['txt', 'log', 'ini', 'cfg', 'conf', 'sh', 'bash', 'zsh', 'fish', 'ps1', 'bat', 'cmd', 'dockerfile', 'makefile', 'gradle', 'cmake', 'gitignore', 'gitattributes', 'editorconfig', 'prettierrc'] },
+  { key: 'Font', exts: ['ttf', 'otf', 'woff', 'woff2', 'eot'] },
+  { key: 'Database', exts: ['db', 'sqlite', 'sql'] },
+  { key: 'Config', exts: ['env', 'config', 'properties', 'toml'] },
+];
+
+const formatFileSize = (size: number) => {
+  if (!Number.isFinite(size) || size < 0) return '-';
+  const units = ['B', 'KB', 'MB', 'GB'];
+  let value = size;
+  let unitIndex = 0;
+  while (value >= 1024 && unitIndex < units.length - 1) {
+    value /= 1024;
+    unitIndex += 1;
+  }
+  if (unitIndex === 0) return `${value} ${units[unitIndex]}`;
+  return `${value.toFixed(2)} ${units[unitIndex]}`;
+};
+
+const getFileTypeLabel = (entry: VfsEntry, t: (key: string) => string) => {
+  if (entry.type === 'mount') return t('Mount Point');
+  if (entry.is_dir) return t('Folder');
+
+  const ext = entry.name.split('.').pop()?.toLowerCase() || '';
+  const group = fileTypeGroups.find(item => item.exts.includes(ext));
+  return t(group?.key || 'File');
+};
+
 export const FileListView: React.FC<FileListViewProps> = ({
   entries,
   selectedEntries,
@@ -63,7 +102,8 @@ export const FileListView: React.FC<FileListViewProps> = ({
         </span>
       )
     },
-    { title: t('Size'), dataIndex: 'size', width: 100, render: (v: number, r: VfsEntry) => r.is_dir ? '-' : v },
+    { title: t('Type'), key: 'fileType', width: 110, render: (_: any, r: VfsEntry) => getFileTypeLabel(r, t) },
+    { title: t('Size'), dataIndex: 'size', width: 120, render: (v: number, r: VfsEntry) => r.is_dir ? '-' : formatFileSize(v) },
     { title: t('Modified Time'), dataIndex: 'mtime', width: 160, render: (v: number) => v ? new Date(v * 1000).toLocaleString() : '-' },
     {
       title: t('Actions'),

web/src/pages/FileExplorerPage/components/Header.tsx

@@ -12,6 +12,7 @@ interface HeaderProps {
   viewMode: ViewMode;
   sortBy: string;
   sortOrder: string;
+  paginationMode?: 'paged' | 'cursor';
   isMobile?: boolean;
   onGoUp: () => void;
   onNavigate: (path: string) => void;
@@ -30,6 +31,7 @@ export const Header: React.FC<HeaderProps> = ({
   viewMode,
   sortBy,
   sortOrder,
+  paginationMode = 'paged',
   isMobile = false,
   onGoUp,
   onNavigate,
@@ -82,6 +84,7 @@ export const Header: React.FC<HeaderProps> = ({
     setEditingPath(false);
     setPathInputValue('');
   };
+  const sortDisabled = paginationMode === 'cursor';
 
   const renderBreadcrumb = () => {
     if (editingPath) {
@@ -154,6 +157,7 @@ export const Header: React.FC<HeaderProps> = ({
     {
       key: 'sort',
       label: t('Sort By') + `: ${t(sortBy === 'mtime' ? 'Modified Time' : sortBy === 'size' ? 'Size' : 'Name')}`,
+      disabled: sortDisabled,
       children: [
         { key: 'sort-name', label: t('Name'), onClick: () => onSortChange('name', sortOrder) },
         { key: 'sort-size', label: t('Size'), onClick: () => onSortChange('size', sortOrder) },
@@ -164,6 +168,7 @@ export const Header: React.FC<HeaderProps> = ({
       key: 'sort-order',
       label: sortOrder === 'asc' ? t('Ascending') : t('Descending'),
       icon: sortOrder === 'asc' ? <ArrowUpOutlined /> : <ArrowDownOutlined />,
+      disabled: sortDisabled,
       onClick: () => onSortChange(sortBy, sortOrder === 'asc' ? 'desc' : 'asc'),
     },
   ];
@@ -230,6 +235,7 @@ export const Header: React.FC<HeaderProps> = ({
           <Select
             size="small"
             value={sortBy}
+            disabled={sortDisabled}
             onChange={(val) => onSortChange(val, sortOrder)}
             style={{ width: 112 }}
             options={[
@@ -240,6 +246,7 @@ export const Header: React.FC<HeaderProps> = ({
           />
           <Button
             size="small"
+            disabled={sortDisabled}
             icon={sortOrder === 'asc' ? <ArrowUpOutlined /> : <ArrowDownOutlined />}
             onClick={() => onSortChange(sortBy, sortOrder === 'asc' ? 'desc' : 'asc')}
           />

web/src/pages/FileExplorerPage/hooks/useFileExplorer.ts

@@ -7,10 +7,14 @@ type ExplorerSnapshot = {
   path: string;
   entries: VfsEntry[];
   pagination?: {
-    total: number;
-    page: number;
+    mode?: 'paged' | 'cursor';
     page_size: number;
-    pages: number;
+    total?: number;
+    page?: number;
+    pages?: number;
+    cursor?: string | null;
+    next_cursor?: string | null;
+    has_next?: boolean;
   };
   sortBy: string;
   sortOrder: string;
@@ -30,6 +34,11 @@ export function useFileExplorer(navKey: string) {
     current: 1,
     pageSize: 50,
     total: 0,
+    mode: 'paged' as 'paged' | 'cursor',
+    cursor: null as string | null,
+    nextCursor: null as string | null,
+    cursorHistory: [] as (string | null)[],
+    hasNext: false,
     showSizeChanger: true,
     showQuickJumper: true,
     showTotal: (total: number, range: [number, number]) => `${total} ${'items'} ${range[0]}-${range[1]}`,
@@ -38,23 +47,29 @@ export function useFileExplorer(navKey: string) {
   const [sortBy, setSortBy] = useState('name');
   const [sortOrder, setSortOrder] = useState('asc');
 
-  const load = useCallback(async (p: string, page: number = 1, pageSize: number = 50, sb = sortBy, so = sortOrder) => {
+  const load = useCallback(async (p: string, page: number = 1, pageSize: number = 50, sb = sortBy, so = sortOrder, cursor?: string | null, cursorHistory: (string | null)[] = []) => {
     const canonical = p === '' ? '/' : (p.startsWith('/') ? p : '/' + p);
     setLoading(true);
     try {
       // Load entries and processor types concurrently
       const [res, processors] = await Promise.all([
-        vfsApi.list(canonical === '/' ? '' : canonical, page, pageSize, sb, so),
+        vfsApi.list(canonical === '/' ? '' : canonical, page, pageSize, sb, so, cursor),
         processorsApi.list()
       ]);
       setEntries(res.entries);
       const resolvedPath = res.path || canonical;
       setPath(resolvedPath);
+      const pageMode = res.pagination?.mode || 'paged';
       setPagination(prev => ({
         ...prev,
-        current: res.pagination!.page,
-        pageSize: res.pagination!.page_size,
-        total: res.pagination!.total
+        mode: pageMode,
+        current: res.pagination?.page || page,
+        pageSize: res.pagination?.page_size || pageSize,
+        total: res.pagination?.total || 0,
+        cursor: res.pagination?.cursor || null,
+        nextCursor: res.pagination?.next_cursor || null,
+        hasNext: Boolean(res.pagination?.has_next),
+        cursorHistory: pageMode === 'cursor' ? cursorHistory : [],
       }));
       setProcessorTypes(processors);
       if (typeof window !== 'undefined') {
@@ -94,8 +109,31 @@ export function useFileExplorer(navKey: string) {
     load(path, page, pageSize, sortBy, sortOrder);
   };
 
+  const goCursorNext = () => {
+    if (!pagination.nextCursor) return;
+    load(path, 1, pagination.pageSize, sortBy, sortOrder, pagination.nextCursor, [
+      ...pagination.cursorHistory,
+      pagination.cursor,
+    ]);
+  };
+
+  const goCursorPrev = () => {
+    if (pagination.cursorHistory.length === 0) return;
+    const nextHistory = pagination.cursorHistory.slice(0, -1);
+    const prevCursor = pagination.cursorHistory[pagination.cursorHistory.length - 1];
+    load(path, 1, pagination.pageSize, sortBy, sortOrder, prevCursor, nextHistory);
+  };
+
   const refresh = () => {
-    load(path, pagination.current, pagination.pageSize, sortBy, sortOrder);
+    load(
+      path,
+      pagination.current,
+      pagination.pageSize,
+      sortBy,
+      sortOrder,
+      pagination.mode === 'cursor' ? pagination.cursor : null,
+      pagination.mode === 'cursor' ? pagination.cursorHistory : [],
+    );
   }
 
   const handleSortChange = (sb: string, so: string) => {
@@ -117,6 +155,8 @@ export function useFileExplorer(navKey: string) {
     goUp,
     handlePaginationChange,
     refresh,
-    handleSortChange
+    handleSortChange,
+    goCursorNext,
+    goCursorPrev,
   };
 }

web/src/pages/SystemSettingsPage/SystemSettingsPage.tsx

@@ -43,6 +43,30 @@ const THEME_KEYS = {
   CSS: 'THEME_CUSTOM_CSS',
 };
 
+const CONFIG_DEFAULTS: Record<string, string> = {
+  ...Object.fromEntries(APP_CONFIG_KEYS.map(({ key, default: def }) => [key, def ?? ''])),
+  APP_DEFAULT_LANGUAGE: 'zh',
+  AUTH_ALLOW_REGISTER: 'false',
+  AUTH_DEFAULT_REGISTER_ROLE_ID: '',
+  DEFAULT_FILE_VIEW_MODE: 'grid',
+  [THEME_KEYS.MODE]: 'light',
+  [THEME_KEYS.PRIMARY]: '#111111',
+  [THEME_KEYS.RADIUS]: '10',
+  [THEME_KEYS.TOKENS]: '',
+  [THEME_KEYS.CSS]: '',
+  WEBDAV_MAPPING_ENABLED: '1',
+  S3_MAPPING_ENABLED: '1',
+  S3_MAPPING_BUCKET: 'foxel',
+  S3_MAPPING_REGION: '',
+  S3_MAPPING_BASE_PATH: '/',
+  S3_MAPPING_ACCESS_KEY: '',
+  S3_MAPPING_SECRET_KEY: '',
+  EMAIL_CONFIG: '',
+  EMAIL_PASSWORD_RESET_TEMPLATE: '',
+};
+
+const stringifyConfigValue = (value: unknown) => String(value ?? '');
+
 export default function SystemSettingsPage({ tabKey, onTabNavigate }: SystemSettingsPageProps) {
   const [loading, setLoading] = useState(false);
   const [config, setConfigState] = useState<Record<string, string> | null>(null);
@@ -69,16 +93,21 @@ export default function SystemSettingsPage({ tabKey, onTabNavigate }: SystemSett
   const handleSave = async (values: Record<string, unknown>): Promise<boolean> => {
     setLoading(true);
     try {
-      for (const [key, value] of Object.entries(values)) {
-        await setConfig(key, String(value ?? ''));
-      }
-      message.success(t('Saved successfully'));
-      const stringValues = Object.fromEntries(
-        Object.entries(values).map(([key, value]) => [key, String(value ?? '')]),
+      const currentConfig = config ?? {};
+      const changedValues = Object.fromEntries(
+        Object.entries(values)
+          .map(([key, value]) => [key, stringifyConfigValue(value)] as const)
+          .filter(([key, value]) => value !== (currentConfig[key] ?? CONFIG_DEFAULTS[key] ?? '')),
       ) as Record<string, string>;
-      setConfigState((prev) => ({ ...(prev ?? {}), ...stringValues }));
+
+      for (const [key, value] of Object.entries(changedValues)) {
+        await setConfig(key, value);
+      }
+
+      message.success(t('Saved successfully'));
+      setConfigState((prev) => ({ ...(prev ?? {}), ...changedValues }));
       // trigger theme refresh if related keys changed
-      if (Object.keys(values).some(k => Object.values(THEME_KEYS).includes(k))) {
+      if (Object.keys(changedValues).some(k => Object.values(THEME_KEYS).includes(k))) {
         await refreshTheme();
       }
       return true;

web/src/pages/SystemSettingsPage/components/AppSettingsTab.tsx

@@ -54,6 +54,7 @@ export default function AppSettingsTab({
     return {
       ...Object.fromEntries(configKeys.map(({ key, default: def }) => [key, config[key] ?? def ?? ''])),
       APP_DEFAULT_LANGUAGE: normalizeLang(config.APP_DEFAULT_LANGUAGE, 'zh'),
+      DEFAULT_FILE_VIEW_MODE: config.DEFAULT_FILE_VIEW_MODE === 'list' ? 'list' : 'grid',
       AUTH_ALLOW_REGISTER: allowRegister,
       AUTH_DEFAULT_REGISTER_ROLE_ID: Number.isFinite(roleId) ? roleId : undefined,
     };
@@ -70,6 +71,7 @@ export default function AppSettingsTab({
         }
         const defaultLanguage = normalizeLang(vals.APP_DEFAULT_LANGUAGE, 'zh');
         payload.APP_DEFAULT_LANGUAGE = defaultLanguage;
+        payload.DEFAULT_FILE_VIEW_MODE = vals.DEFAULT_FILE_VIEW_MODE === 'list' ? 'list' : 'grid';
         const allow = !!vals.AUTH_ALLOW_REGISTER;
         payload.AUTH_ALLOW_REGISTER = allow ? 'true' : 'false';
         if (allow) {
@@ -103,6 +105,19 @@ export default function AppSettingsTab({
         />
       </Form.Item>
 
+      <Form.Item
+        name="DEFAULT_FILE_VIEW_MODE"
+        label={t('Default File View Mode')}
+      >
+        <Select
+          size="large"
+          options={[
+            { value: 'grid', label: t('Grid') },
+            { value: 'list', label: t('List') },
+          ]}
+        />
+      </Form.Item>
+
       <Divider titlePlacement="left">{t('Registration Settings')}</Divider>
 
       <Alert

web/src/plugin-frame.ts

@@ -364,12 +364,27 @@ async function main() {
 
   await mountError();
 
-  window.addEventListener('beforeunload', () => {
+  const runCleanup = () => {
     try {
       cleanup?.();
     } catch {
       void 0;
     }
+    cleanup = null;
+  };
+
+  window.addEventListener('message', (ev) => {
+    if (ev.origin !== window.location.origin) return;
+    if (ev.source !== window.parent) return;
+    const data = ev.data as any;
+    if (!data || typeof data !== 'object') return;
+    if (data.type !== 'foxel-plugin:unload') return;
+    runCleanup();
+    root.innerHTML = '';
+  });
+
+  window.addEventListener('beforeunload', () => {
+    runCleanup();
   });
 }