refactor: unify instance path resolution and preserve workspace override

nanobot/channels/discord.py

@@ -12,6 +12,7 @@ from loguru import logger
 from nanobot.bus.events import OutboundMessage
 from nanobot.bus.queue import MessageBus
 from nanobot.channels.base import BaseChannel
+from nanobot.config.paths import get_media_dir
 from nanobot.config.schema import DiscordConfig
 from nanobot.utils.helpers import split_message
 
@@ -289,7 +290,7 @@ class DiscordChannel(BaseChannel):
 
         content_parts = [content] if content else []
         media_paths: list[str] = []
-        media_dir = Path.home() / ".nanobot" / "media"
+        media_dir = get_media_dir("discord")
 
         for attachment in payload.get("attachments") or []:
             url = attachment.get("url")

nanobot/channels/feishu.py

@@ -14,6 +14,7 @@ from loguru import logger
 from nanobot.bus.events import OutboundMessage
 from nanobot.bus.queue import MessageBus
 from nanobot.channels.base import BaseChannel
+from nanobot.config.paths import get_media_dir
 from nanobot.config.schema import FeishuConfig
 
 import importlib.util
@@ -732,8 +733,7 @@ class FeishuChannel(BaseChannel):
             (file_path, content_text) - file_path is None if download failed
         """
         loop = asyncio.get_running_loop()
-        media_dir = Path.home() / ".nanobot" / "media"
-        media_dir.mkdir(parents=True, exist_ok=True)
+        media_dir = get_media_dir("feishu")
 
         data, filename = None, None
 

nanobot/channels/matrix.py

@@ -38,7 +38,7 @@ except ImportError as e:
 
 from nanobot.bus.events import OutboundMessage
 from nanobot.channels.base import BaseChannel
-from nanobot.config.loader import get_data_dir
+from nanobot.config.paths import get_data_dir, get_media_dir
 from nanobot.utils.helpers import safe_filename
 
 TYPING_NOTICE_TIMEOUT_MS = 30_000
@@ -490,9 +490,7 @@ class MatrixChannel(BaseChannel):
         return False
 
     def _media_dir(self) -> Path:
-        d = get_data_dir() / "media" / "matrix"
-        d.mkdir(parents=True, exist_ok=True)
-        return d
+        return get_media_dir("matrix")
 
     @staticmethod
     def _event_source_content(event: RoomMessage) -> dict[str, Any]:

nanobot/channels/mochat.py

@@ -15,8 +15,8 @@ from loguru import logger
 from nanobot.bus.events import OutboundMessage
 from nanobot.bus.queue import MessageBus
 from nanobot.channels.base import BaseChannel
+from nanobot.config.paths import get_runtime_subdir
 from nanobot.config.schema import MochatConfig
-from nanobot.utils.helpers import get_data_path
 
 try:
     import socketio
@@ -224,7 +224,7 @@ class MochatChannel(BaseChannel):
         self._socket: Any = None
         self._ws_connected = self._ws_ready = False
 
-        self._state_dir = get_data_path() / "mochat"
+        self._state_dir = get_runtime_subdir("mochat")
         self._cursor_path = self._state_dir / "session_cursors.json"
         self._session_cursor: dict[str, int] = {}
         self._cursor_save_task: asyncio.Task | None = None

nanobot/channels/telegram.py

@@ -15,6 +15,7 @@ from telegram.request import HTTPXRequest
 from nanobot.bus.events import OutboundMessage
 from nanobot.bus.queue import MessageBus
 from nanobot.channels.base import BaseChannel
+from nanobot.config.paths import get_media_dir
 from nanobot.config.schema import TelegramConfig
 from nanobot.utils.helpers import split_message
 
@@ -536,10 +537,7 @@ class TelegramChannel(BaseChannel):
                     getattr(media_file, 'mime_type', None),
                     getattr(media_file, 'file_name', None),
                 )
-                # Save to workspace/media/
-                from pathlib import Path
-                media_dir = Path.home() / ".nanobot" / "media"
-                media_dir.mkdir(parents=True, exist_ok=True)
+                media_dir = get_media_dir("telegram")
 
                 file_path = media_dir / f"{media_file.file_id[:16]}{ext}"
                 await file.download_to_drive(str(file_path))