Merge remote-tracking branch 'origin/master' into feat/rework-agent-onboarding

src/langbot/libs/qq_official_api/api.py

@@ -422,6 +422,69 @@ class QQOfficialClient:
                 await self.logger.error(f'Failed to send private message: {response_data}')
                 raise ValueError(response)
 
+    async def _send_markdown_msg(
+        self,
+        target_type: str,
+        target_id: str,
+        content: str,
+        msg_id: Optional[str] = None,
+        event_id: Optional[str] = None,
+        msg_seq: int = 1,
+    ) -> None:
+        """Send a Markdown message to a C2C user or QQ group."""
+        if not await self.check_access_token():
+            await self.get_access_token()
+
+        if target_type == 'c2c':
+            url = f'{self.base_url}/v2/users/{target_id}/messages'
+        elif target_type == 'group':
+            url = f'{self.base_url}/v2/groups/{target_id}/messages'
+        else:
+            raise ValueError(f'Unsupported Markdown target type: {target_type}')
+
+        data: dict[str, Any] = {
+            'msg_type': 2,
+            'markdown': {'content': content},
+            'msg_seq': msg_seq,
+        }
+        if msg_id:
+            data['msg_id'] = msg_id
+        if event_id:
+            data['event_id'] = event_id
+
+        async with self._http_client_context() as client:
+            headers = {
+                'Authorization': f'QQBot {self.access_token}',
+                'Content-Type': 'application/json',
+            }
+            response = await client.post(url, headers=headers, json=data)
+            if response.status_code != 200:
+                response_data = await httpclient.parse_json_response(response)
+                await self.logger.error(f'Failed to send Markdown message: {response_data}')
+                raise ValueError(response)
+
+    async def send_private_markdown_msg(
+        self,
+        user_openid: str,
+        content: str,
+        msg_id: Optional[str] = None,
+        event_id: Optional[str] = None,
+        msg_seq: int = 1,
+    ) -> None:
+        """Send a Markdown C2C message."""
+        await self._send_markdown_msg('c2c', user_openid, content, msg_id, event_id, msg_seq)
+
+    async def send_group_markdown_msg(
+        self,
+        group_openid: str,
+        content: str,
+        msg_id: Optional[str] = None,
+        event_id: Optional[str] = None,
+        msg_seq: int = 1,
+    ) -> None:
+        """Send a Markdown QQ group message."""
+        await self._send_markdown_msg('group', group_openid, content, msg_id, event_id, msg_seq)
+
     async def send_group_text_msg(
         self,
         group_openid: str,

src/langbot/libs/wecom_ai_bot_api/ws_client.py

@@ -46,6 +46,14 @@ CMD_RESPOND_MSG = 'aibot_respond_msg'
 CMD_RESPOND_WELCOME = 'aibot_respond_welcome_msg'
 CMD_RESPOND_UPDATE = 'aibot_respond_update_msg'
 CMD_SEND_MSG = 'aibot_send_msg'
+# Media upload protocol (3 steps: init -> chunk * N -> finish). The
+# command names below match the WeCom AI Bot long-connection protocol.
+CMD_UPLOAD_INIT = 'aibot_upload_media_init'
+CMD_UPLOAD_CHUNK = 'aibot_upload_media_chunk'
+CMD_UPLOAD_FINISH = 'aibot_upload_media_finish'
+
+# Default upload chunk size: 512 KB before base64 encoding.
+_UPLOAD_CHUNK_SIZE = 512 * 1024
 
 _DEDUP_CACHE_MAX = 4096
 _STREAM_CACHE_MAX = 1024
@@ -495,6 +503,145 @@ class WecomBotWsClient:
         body['chatid'] = chat_id
         return await self._send_reply(req_id, body, cmd=CMD_SEND_MSG)
 
+    # ------------------------------------------------------------------
+    # Media upload (image / voice / file)
+    # ------------------------------------------------------------------
+
+    async def upload_media(
+        self,
+        data: bytes,
+        filename: str = 'attachment',
+        media_type: str = 'file',
+    ) -> Optional[dict]:
+        """Upload *data* to the WeCom AI Bot CDN and return the parsed ACK.
+
+        Implements the three-step protocol documented for the WeCom
+        AI Bot:
+
+        1. ``aibot_upload_media_init`` — declare media type, file name,
+           size, MD5 and chunk count; receive ``upload_id``.
+        2. ``aibot_upload_media_chunk`` — send each chunk (base64-encoded
+           bytes) until done; receive per-chunk ACK.
+        3. ``aibot_upload_media_finish`` — finalize the upload; receive
+           ``media_id``.
+
+        Returns a dict with the final ``media_id`` (and the raw
+        ``finish`` ACK) on success, or ``None`` on any failure. The
+        caller is expected to ignore the result and continue
+        gracefully — the framework will keep working without media
+        delivery.
+        """
+        import base64 as _b64
+        import hashlib as _hl
+
+        if not data:
+            return None
+
+        file_size = len(data)
+        file_md5 = _hl.md5(data).hexdigest()
+        total_chunks = (file_size + _UPLOAD_CHUNK_SIZE - 1) // _UPLOAD_CHUNK_SIZE
+        if total_chunks == 0:
+            total_chunks = 1
+
+        # Step 1: init.
+        init_req_id = _generate_req_id(CMD_UPLOAD_INIT)
+        init_body = {
+            'type': media_type,
+            'filename': filename,
+            'total_size': file_size,
+            'total_chunks': total_chunks,
+            'md5': file_md5,
+        }
+        init_ack = await self._send_reply(
+            init_req_id,
+            init_body,
+            cmd=CMD_UPLOAD_INIT,
+        )
+        if not init_ack or init_ack.get('errcode', 0) != 0:
+            await self.logger.warning(f'upload_media init failed: ack={init_ack!r}')
+            return None
+        upload_id = (
+            init_ack.get('upload_id')
+            or init_ack.get('body', {}).get('upload_id')
+            or init_ack.get('data', {}).get('upload_id')
+        )
+        if not upload_id:
+            await self.logger.warning(f'upload_media init returned no upload_id: ack={init_ack!r}')
+            return None
+
+        # Step 2: chunks.
+        for index in range(total_chunks):
+            start = index * _UPLOAD_CHUNK_SIZE
+            end = min(start + _UPLOAD_CHUNK_SIZE, file_size)
+            chunk_bytes = data[start:end]
+            chunk_req_id = _generate_req_id(CMD_UPLOAD_CHUNK)
+            chunk_body = {
+                'upload_id': upload_id,
+                'chunk_index': index,
+                'base64_data': _b64.b64encode(chunk_bytes).decode('ascii'),
+            }
+            chunk_ack = await self._send_reply(
+                chunk_req_id,
+                chunk_body,
+                cmd=CMD_UPLOAD_CHUNK,
+            )
+            if not chunk_ack or chunk_ack.get('errcode', 0) != 0:
+                await self.logger.warning(f'upload_media chunk {index} failed: ack={chunk_ack!r}')
+                return None
+
+        # Step 3: finish.
+        finish_req_id = _generate_req_id(CMD_UPLOAD_FINISH)
+        finish_body = {'upload_id': upload_id}
+        finish_ack = await self._send_reply(
+            finish_req_id,
+            finish_body,
+            cmd=CMD_UPLOAD_FINISH,
+        )
+        if not finish_ack or finish_ack.get('errcode', 0) != 0:
+            await self.logger.warning(f'upload_media finish failed: ack={finish_ack!r}')
+            return None
+
+        media_id = (
+            finish_ack.get('media_id')
+            or finish_ack.get('body', {}).get('media_id')
+            or finish_ack.get('data', {}).get('media_id')
+        )
+        if not media_id:
+            await self.logger.warning(f'upload_media finish returned no media_id: ack={finish_ack!r}')
+            return None
+        return {'media_id': media_id, 'ack': finish_ack}
+
+    async def _reply_media(
+        self,
+        req_id: str,
+        media_id: str,
+        kind: str,
+    ) -> Optional[dict]:
+        """Send a media reply (image / voice / file) referencing *media_id*.
+
+        ``kind`` is one of ``'image'``, ``'voice'``, ``'file'``. Uses
+        the standard ``aibot_respond_msg`` command with a per-kind
+        body key (matches the convention documented for the WeCom
+        AI Bot SDK).
+        """
+        if kind not in {'image', 'voice', 'file'}:
+            await self.logger.warning(f'_reply_media called with unknown kind={kind!r}')
+            return None
+        body = {
+            'msgtype': kind,
+            kind: {'media_id': media_id},
+        }
+        return await self._send_reply(req_id, body, cmd=CMD_RESPOND_MSG)
+
+    async def reply_image(self, req_id: str, media_id: str) -> Optional[dict]:
+        return await self._reply_media(req_id, media_id, 'image')
+
+    async def reply_file(self, req_id: str, media_id: str) -> Optional[dict]:
+        return await self._reply_media(req_id, media_id, 'file')
+
+    async def reply_voice(self, req_id: str, media_id: str) -> Optional[dict]:
+        return await self._reply_media(req_id, media_id, 'voice')
+
     async def push_stream_chunk(self, msg_id: str, content: str, is_final: bool = False) -> bool:
         """Push a streaming chunk for a given message ID.
 

src/langbot/pkg/api/http/controller/groups/plugins.py

@@ -398,7 +398,16 @@ class PluginsRouterGroup(group.RouterGroup):
 
             # Get debug URL from config
             plugin_config = self.ap.instance_config.data.get('plugin', {})
-            debug_url = plugin_config.get('display_plugin_debug_url', 'http://localhost:5401')
+            debug_url = plugin_config.get(
+                'display_plugin_debug_url',
+                'ws://localhost:5401/plugin/debug/ws',
+            )
+            parsed_debug_url = urlparse(debug_url)
+            if parsed_debug_url.scheme in {'http', 'https'}:
+                debug_url = parsed_debug_url._replace(
+                    scheme='wss' if parsed_debug_url.scheme == 'https' else 'ws',
+                    path=parsed_debug_url.path or '/plugin/debug/ws',
+                ).geturl()
 
             return self.success(
                 data={

src/langbot/pkg/api/http/controller/groups/user.py

@@ -14,13 +14,6 @@ from ...service.user import ControlPlaneDirectoryRequiredError, PublicRegistrati
 
 @group.group_class('user', '/api/v1/user')
 class UserRouterGroup(group.RouterGroup):
-    @staticmethod
-    def _origin(value: str) -> tuple[str, str, int | None] | None:
-        parsed = urlsplit(value)
-        if parsed.scheme not in {'http', 'https'} or not parsed.hostname:
-            return None
-        return parsed.scheme, parsed.hostname.casefold(), parsed.port
-
     def _validate_space_redirect_uri(self, redirect_uri: str, *, bind: bool) -> str:
         parsed = urlsplit(redirect_uri)
         if (
@@ -38,17 +31,8 @@ class UserRouterGroup(group.RouterGroup):
             if query != {'mode': ['bind']}:
                 raise ValueError('Invalid Space binding redirect_uri')
         elif query:
-            raise ValueError('Invalid Space login redirect_uri')
+            raise ValueError('Invalid LangBot Account login redirect_uri')
 
-        redirect_origin = self._origin(redirect_uri)
-        api_config = self.ap.instance_config.data.get('api', {})
-        trusted_origins = {
-            self._origin(str(api_config.get(config_key, '') or '').strip())
-            for config_key in ('webui_url', 'webhook_prefix')
-        }
-        trusted_origins.discard(None)
-        if redirect_origin not in trusted_origins:
-            raise ValueError('Untrusted redirect_uri origin')
         return redirect_uri
 
     async def initialize(self) -> None:
@@ -338,6 +322,7 @@ class UserRouterGroup(group.RouterGroup):
             if cloud_mode:
                 capabilities['password_login_enabled'] = False
             capabilities['authenticated_invitation_acceptance_enabled'] = cloud_mode
+            capabilities['invitation_registration_enabled'] = not cloud_mode
             return self.success(data={'initialized': True, **capabilities})
 
         @self.route('/set-password', methods=['POST'], auth_type=group.AuthType.USER_TOKEN)
@@ -416,7 +401,7 @@ class UserRouterGroup(group.RouterGroup):
                     'Bind the LangBot Account with the same email as this local Account',
                 )
             except ValueError:
-                return self.http_status(400, -1, 'Space account binding failed')
+                return self.http_status(400, -1, 'LangBot Account binding failed')
             except Exception:
                 raise
 

src/langbot/pkg/api/http/service/user.py

@@ -114,7 +114,7 @@ class UserService:
         if purpose == 'login' and account_uuid is not None:
             raise ValueError('Login state cannot be bound to an Account')
         if purpose != 'login' and launch_workspace_uuid is not None:
-            raise ValueError('Launch Workspace state is only valid for Space login')
+            raise ValueError('Launch Workspace state is only valid for LangBot Account login')
         if ttl_seconds <= 0:
             raise ValueError('OAuth state lifetime must be positive')
 
@@ -327,7 +327,7 @@ class UserService:
         normalized_email = normalize_email(user_email)
         if self._uses_control_plane_directory():
             raise ControlPlaneDirectoryRequiredError(
-                'Cloud invitation registration must use a Space account to preserve control-plane identity'
+                'Cloud invitation registration must use a LangBot Account to preserve control-plane identity'
             )
         invitation, _ = await self.ap.workspace_collaboration_service.inspect_invitation(invitation_token)
         if invitation.normalized_email != normalized_email:
@@ -394,7 +394,7 @@ class UserService:
 
         # Check if this user has a local password set
         if not user_obj.password:
-            raise ValueError('请使用 Space 账户登录')
+            raise ValueError('请使用 LangBot 账号登录')
 
         await self._verify_password(user_obj.password, password)
 
@@ -825,7 +825,7 @@ class UserService:
         # Check if this Space account is already bound to another user
         existing_space_user = await self.get_user_by_space_account_uuid(space_account_uuid)
         if existing_space_user and existing_space_user.normalized_email != normalize_email(user_email):
-            raise ValueError('This Space account is already bound to another user')
+            raise ValueError('This LangBot Account is already bound to another user')
 
         # Update local account to Space account
         normalized_email = normalize_email(user_email)

src/langbot/pkg/box/connector.py

@@ -367,6 +367,12 @@ class BoxRuntimeConnector(ManagedRuntimeConnector):
     def _ensure_control_token(self, *, allow_generate: bool) -> str:
         if not self._control_token and allow_generate:
             self._control_token = secrets.token_urlsafe(48)
+        if not self._control_token:
+            if getattr(getattr(self.ap, 'deployment', None), 'mode', 'oss') == 'cloud':
+                raise BoxRuntimeUnavailableError(
+                    f'{BOX_CONTROL_TOKEN_ENV} must be configured with a strong shared secret for a Cloud Box runtime'
+                )
+            return ''
         try:
             self._control_token = validate_control_token(self._control_token)
         except ValueError as exc:
@@ -376,19 +382,19 @@ class BoxRuntimeConnector(ManagedRuntimeConnector):
         return self._control_token
 
     def get_control_headers(self) -> dict[str, str]:
-        """Headers for the instance-authenticated RPC control handshake."""
+        """Return instance-scoped RPC headers and the optional shared secret."""
 
         self._ensure_control_token(allow_generate=False)
-        return {
-            BOX_CONTROL_TOKEN_HEADER: self._control_token,
-            BOX_INSTANCE_HEADER: self._trusted_instance_uuid,
-        }
+        headers = {BOX_INSTANCE_HEADER: self._trusted_instance_uuid}
+        if self._control_token:
+            headers[BOX_CONTROL_TOKEN_HEADER] = self._control_token
+        return headers
 
     def get_relay_headers(
         self,
         action_context: ActionContext,
     ) -> dict[str, str]:
-        """Return authenticated, placement-scoped relay handshake headers."""
+        """Return instance- and placement-scoped relay handshake headers."""
 
         context = ActionContext.model_validate(action_context).without_installation()
         if context.instance_uuid != self._trusted_instance_uuid:

src/langbot/pkg/box/service.py

@@ -1210,8 +1210,9 @@ class BoxService:
     async def _read_outbox_via_exec(self, query: pipeline_query.Query) -> list[dict]:
         """Fallback: read the outbox over the exec channel (E2B / remote).
 
-        Note: exec stdout is truncated by ``output_limit_chars``, so this path
-        only reliably transfers small files. The host path is preferred.
+        Uses ``client.execute`` directly (bypassing ``_serialize_result``)
+        so stdout is NOT truncated by ``output_limit_chars`` - the raw
+        base64 payload can be far larger than the 4000-char display limit.
         """
         import json as _json
 
@@ -1265,14 +1266,22 @@ class BoxService:
             '                break\n'
             'print(json.dumps(out))\n'
         )
-        result = await self.execute_tool(
-            {'command': f"python3 - <<'LBPY'\n{script}\nLBPY", 'timeout_sec': 120},
-            query,
-        )
-        if not result.get('ok'):
+        spec_payload: dict = {
+            'cmd': f"python3 - <<'LBPY'\n{script}\nLBPY",
+            'timeout_sec': 120,
+            'session_id': self.resolve_box_session_id(query),
+        }
+        if 'extra_mounts' not in spec_payload:
+            spec_payload['extra_mounts'] = self.build_skill_extra_mounts(query)
+        try:
+            spec = self.build_spec(spec_payload)
+            result = await self.client.execute(spec)
+        except Exception:
+            return []
+        if not result.ok:
             return []
         try:
-            return _json.loads(str(result.get('stdout') or '').strip().splitlines()[-1])
+            return _json.loads(str(result.stdout or '').strip().splitlines()[-1])
         except Exception:
             return []
 

src/langbot/pkg/command/cmdmgr.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import typing
 import inspect
 
+from ..api.http.context import ExecutionContext
 from ..core import app
 from . import operator
 from ..utils import importutil
@@ -66,7 +67,14 @@ class CommandManager:
 
         require_context = getattr(self.ap.plugin_connector, 'require_workspace_context', None)
         if require_context is not None:
-            result = require_context(context)
+            result = require_context(
+                ExecutionContext(
+                    instance_uuid=context.instance_uuid,
+                    workspace_uuid=context.workspace_uuid,
+                    placement_generation=context.placement_generation,
+                    query_uuid=context.query_uuid,
+                )
+            )
             if inspect.isawaitable(result):
                 await result
 

src/langbot/pkg/core/app.py

@@ -249,6 +249,10 @@ class Application:
                     {},
                 )
             ),
+            'plugin_runtime_connected': bool(
+                self.plugin_connector is not None
+                and getattr(self.plugin_connector, '_runtime_available', lambda: False)()
+            ),
         }
         mcp_loader = getattr(self.tool_mgr, 'mcp_tool_loader', None)
         runtime_stats.update(
@@ -297,11 +301,36 @@ class Application:
     async def initialize(self):
         pass
 
+    async def _initialize_plugin_runtime(self) -> None:
+        try:
+            await self.plugin_connector.initialize()
+        except asyncio.CancelledError:
+            raise
+        except Exception as exc:
+            self.logger.warning(f'Plugin runtime unavailable during startup; reconnecting in background: {exc}')
+            self.plugin_connector.schedule_reconnect()
+
+    def _start_plugin_runtime_initialization(self) -> asyncio.Task | None:
+        task = getattr(self, '_plugin_runtime_initialization_task', None)
+        if task is not None and not task.done():
+            return task
+        # This is application lifecycle work, not a request side effect. It must
+        # not wait on PersistenceManager's after-commit gate at boot.
+        task = asyncio.create_task(
+            self._initialize_plugin_runtime(),
+            name='plugin-runtime-initialization',
+        )
+        self._plugin_runtime_initialization_task = task
+        return task
+
     async def run(self):
         self.event_loop_monitor.start()
         try:
-            if self.directory_projection_service is not None:
-                self.task_mgr.create_task(
+            if (
+                self.directory_projection_service is not None
+                and getattr(self, 'directory_projection_task', None) is None
+            ):
+                self.directory_projection_task = self.task_mgr.create_task(
                     self.directory_projection_service.run(),
                     name='cloud-directory-projection',
                     scopes=[core_entities.LifecycleControlScope.APPLICATION],
@@ -318,7 +347,6 @@ class Application:
                     name='cloud-manifest-refresh',
                     scopes=[core_entities.LifecycleControlScope.APPLICATION],
                 )
-            await self.plugin_connector.initialize_plugins()
 
             # 后续可能会允许动态重启其他任务
             # 故为了防止程序在非 Ctrl-C 情况下退出，这里创建一个不会结束的协程
@@ -344,6 +372,7 @@ class Application:
                 name='http-api-controller',
                 scopes=[core_entities.LifecycleControlScope.APPLICATION],
             )
+            self._start_plugin_runtime_initialization()
 
             # Telemetry instance heartbeat (startup + daily); respects
             # space.disable_telemetry via TelemetryManager.send().
@@ -525,6 +554,11 @@ class Application:
 
             if self.task_mgr is not None:
                 self.task_mgr.cancel_by_scope(core_entities.LifecycleControlScope.APPLICATION)
+            plugin_runtime_task = getattr(self, '_plugin_runtime_initialization_task', None)
+            if plugin_runtime_task is not None and not plugin_runtime_task.done():
+                plugin_runtime_task.cancel()
+                with contextlib.suppress(asyncio.CancelledError):
+                    await plugin_runtime_task
             with contextlib.suppress(Exception):
                 await self.event_loop_monitor.stop()
             mcp_mount = getattr(self.http_ctrl, 'mcp_mount', None)

src/langbot/pkg/core/stages/build_app.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from .. import stage, app
+from .. import stage, app, entities as core_entities
 from ...utils import version, proxy, constants
 from ...pipeline import pool, controller, pipelinemgr
 from ...pipeline import aggregator as message_aggregator
@@ -292,14 +292,17 @@ class BuildAppStage(stage.BootingStage):
         async def runtime_disconnect_callback(connector: plugin_connector.PluginRuntimeConnector) -> None:
             connector.schedule_reconnect()
 
+        if ap.directory_projection_service is not None:
+            # Keep the projection fresh while shared Runtime cold restore runs.
+            # BuildApp initializes the connector before Application.run() starts
+            # its long-lived tasks, so start the single refresh task here.
+            ap.directory_projection_task = ap.task_mgr.create_task(
+                ap.directory_projection_service.run(),
+                name='cloud-directory-projection',
+                scopes=[core_entities.LifecycleControlScope.APPLICATION],
+            )
+
         plugin_connector_inst = plugin_connector.PluginRuntimeConnector(ap, runtime_disconnect_callback)
-        try:
-            await plugin_connector_inst.initialize()
-        except Exception as exc:
-            # Keep the API/UI available while an external or managed runtime is
-            # starting, then recover in the background with bounded backoff.
-            ap.logger.warning(f'Plugin runtime unavailable during startup; reconnecting in background: {exc}')
-            plugin_connector_inst.schedule_reconnect()
         ap.plugin_connector = plugin_connector_inst
         workspace_service_inst.release_startup_execution_bindings()
 

src/langbot/pkg/entity/errors/account.py

@@ -17,4 +17,4 @@ class SpaceAccountBindingRequiredError(AccountEmailMismatchError):
     code = 'space_account_binding_required'
 
     def __str__(self) -> str:
-        return 'This local Account must bind Space from Account settings before Space login'
+        return 'This local account must bind a LangBot Account from Account settings before LangBot Account login'

src/langbot/pkg/persistence/mgr.py

@@ -177,7 +177,6 @@ class PersistenceManager:
             await self._validate_cloud_runtime()
             return
 
-        self._enable_sqlite_foreign_keys()
         if self.mode == PersistenceMode.RELEASE_MIGRATION:
             async with self._release_migration_lock():
                 await self._initialize_managed_schema()
@@ -185,6 +184,7 @@ class PersistenceManager:
             return
 
         await self._initialize_managed_schema()
+        await self._enable_sqlite_foreign_keys_after_migration()
 
         if self.mode == PersistenceMode.OSS_COMPAT:
             await self.write_space_model_providers()
@@ -373,6 +373,17 @@ class PersistenceManager:
         sqlalchemy.event.listen(self.get_db_engine().sync_engine, 'begin', set_oss_tenant_scope)
         self._oss_tenant_scope_listener_installed = True
 
+    async def _enable_sqlite_foreign_keys_after_migration(self) -> None:
+        """Enable SQLite FK enforcement only after table-rebuilding migrations."""
+        engine = self.get_db_engine()
+        if engine.dialect.name != 'sqlite':
+            return
+        await engine.dispose()
+        self._enable_sqlite_foreign_keys()
+        # Dispose again so every runtime connection is opened through the new
+        # listener instead of reusing a pre-migration pooled connection.
+        await engine.dispose()
+
     def _enable_sqlite_foreign_keys(self) -> None:
         """Enable SQLite FK enforcement for every pooled runtime connection."""
         engine = self.get_db_engine()

src/langbot/pkg/persistence/sqlite_migration_backup.py

@@ -12,6 +12,7 @@ import re
 import secrets
 import sqlite3
 import tempfile
+import time
 import typing
 
 from sqlalchemy.ext.asyncio import AsyncEngine
@@ -117,8 +118,19 @@ def _write_manifest(backup: SQLiteMigrationBackup, status: str, **extra: typing.
         temporary_path.unlink(missing_ok=True)
 
 
-def _fsync_file(path: pathlib.Path) -> None:
-    descriptor = os.open(path, os.O_RDONLY)
+def _fsync_file(path: pathlib.Path, *, reopen_attempts: int = 20) -> None:
+    """Sync a file, tolerating delayed visibility after replace on bind mounts."""
+
+    descriptor: int | None = None
+    for attempt in range(reopen_attempts):
+        try:
+            descriptor = os.open(path, os.O_RDONLY)
+            break
+        except FileNotFoundError:
+            if attempt + 1 >= reopen_attempts:
+                raise
+            time.sleep(0.05)
+    assert descriptor is not None
     try:
         os.fsync(descriptor)
     finally:

src/langbot/pkg/pipeline/wrapper/wrapper.py

@@ -158,6 +158,18 @@ class ResponseWrapper(stage.PipelineStage):
                                 result_type=entities.ResultType.CONTINUE,
                                 new_query=query,
                             )
+                    elif (
+                        isinstance(result, provider_message.MessageChunk) and result.is_final and not result.tool_calls
+                    ):
+                        # Final streaming chunk with no text content but
+                        # possibly carrying sandbox outbox attachments.
+                        reply_chain = platform_message.MessageChain([])
+                        await self._append_outbound_attachments(query, reply_chain)
+                        query.resp_message_chain.append(reply_chain)
+                        yield entities.StageProcessResult(
+                            result_type=entities.ResultType.CONTINUE,
+                            new_query=query,
+                        )
 
                     if result.tool_calls is not None and len(result.tool_calls) > 0:  # 有函数调用
                         function_names = [tc.function.name for tc in result.tool_calls]

src/langbot/pkg/platform/sources/line.py

@@ -101,7 +101,7 @@ class LINEEventConverter(abstract_platform_adapter.AbstractEventConverter):
         if event.source.type == 'user':
             return platform_events.FriendMessage(
                 sender=platform_entities.Friend(
-                    id=event.message.id,
+                    id=event.source.user_id,
                     nickname=event.source.user_id,
                     remark='',
                 ),
@@ -110,13 +110,19 @@ class LINEEventConverter(abstract_platform_adapter.AbstractEventConverter):
                 source_platform_object=event,
             )
         else:
+            # 'group' and 'room' sources carry the stable chat id under different
+            # field names; user_id may be absent for some members, so fall back
+            # to the group/room id rather than the per-message id.
+            group_id = event.source.group_id if event.source.type == 'group' else event.source.room_id
+            member_id = event.source.user_id or group_id
+
             return platform_events.GroupMessage(
                 sender=platform_entities.GroupMember(
-                    id=event.event.sender.sender_id.open_id,
-                    member_name=event.event.sender.sender_id.union_id,
+                    id=member_id,
+                    member_name=member_id,
                     permission=platform_entities.Permission.Member,
                     group=platform_entities.Group(
-                        id=event.message.id,
+                        id=group_id,
                         name='',
                         permission=platform_entities.Permission.Member,
                     ),

src/langbot/pkg/platform/sources/qqofficial.py

@@ -329,17 +329,12 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
             content_type = content.get('type', 'text')
 
             if content_type == 'text':
-                if target_type == 'c2c':
-                    await self.bot.send_private_text_msg(
+                if target_type in {'c2c', 'group'}:
+                    await self._send_c2c_or_group_text_reply(
+                        target_type,
                         target_id,
                         content['content'],
-                        qq_official_event.d_id,
-                    )
-                elif target_type == 'group':
-                    await self.bot.send_group_text_msg(
-                        target_id,
-                        content['content'],
-                        qq_official_event.d_id,
+                        msg_id=qq_official_event.d_id,
                     )
 
             elif content_type == 'image':
@@ -383,6 +378,39 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
     async def send_message(self, target_type: str, target_id: str, message: platform_message.MessageChain):
         pass
 
+    async def _send_c2c_or_group_text_reply(
+        self,
+        target_type: str,
+        target_id: str,
+        content: str,
+        *,
+        msg_id: typing.Optional[str] = None,
+        event_id: typing.Optional[str] = None,
+        msg_seq: int = 1,
+    ) -> None:
+        """Send a text reply using the configured C2C/group render mode."""
+        use_markdown = self.config.get('enable-markdown-rendering', False)
+        if target_type == 'c2c':
+            send = self.bot.send_private_markdown_msg if use_markdown else self.bot.send_private_text_msg
+            await send(
+                user_openid=target_id,
+                content=content,
+                msg_id=msg_id,
+                event_id=event_id,
+                msg_seq=msg_seq,
+            )
+        elif target_type == 'group':
+            send = self.bot.send_group_markdown_msg if use_markdown else self.bot.send_group_text_msg
+            await send(
+                group_openid=target_id,
+                content=content,
+                msg_id=msg_id,
+                event_id=event_id,
+                msg_seq=msg_seq,
+            )
+        else:
+            raise ValueError(f'Unsupported QQ Official text reply target: {target_type}')
+
     def register_listener(
         self,
         event_type: typing.Type[platform_events.Event],
@@ -650,13 +678,13 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
             # 用第一个 chunk 的文本建立会话（不发 "..." 避免污染前缀）
             ctx['session_started'] = True
 
-        # 发送内容 = 全量累积文本
-        # QQ API 的 replace 模式不允许修改已下发前缀，所以：
-        # - 首次：发送全部文本，建立会话
-        # - 后续：只能发送新增部分（append 行为）
-        content_to_send = ctx['accumulated_text'][ctx['sent_length'] :]
-        if not content_to_send and not is_final:
+        # `replace` mode requires every update to contain the previously
+        # delivered content as its prefix. `sent_length` only tells us whether
+        # a non-final snapshot has new content; it must not truncate the
+        # content sent to QQ.
+        if len(ctx['accumulated_text']) <= ctx['sent_length'] and not is_final:
             return
+        content_to_send = ctx['accumulated_text']
 
         input_state = 10 if is_final else 1
 
@@ -778,20 +806,13 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
             return
 
         try:
-            if target_type == 'c2c':
-                await self.bot.send_private_text_msg(
-                    user_openid=target_id,
-                    content=text,
-                    event_id=event_id,
-                    msg_seq=msg_seq,
-                )
-            elif target_type == 'group':
-                await self.bot.send_group_text_msg(
-                    group_openid=target_id,
-                    content=text,
-                    event_id=event_id,
-                    msg_seq=msg_seq,
-                )
+            await self._send_c2c_or_group_text_reply(
+                target_type,
+                target_id,
+                text,
+                event_id=event_id,
+                msg_seq=msg_seq,
+            )
         except Exception:
             await self.logger.error(f'QQ Official: synthetic reply delivery failed: {traceback.format_exc()}')
 

src/langbot/pkg/platform/sources/qqofficial.yaml

@@ -95,6 +95,18 @@ spec:
       type: boolean
       required: true
       default: false
+    - name: enable-markdown-rendering
+      label:
+        en_US: Enable Markdown Rendering
+        zh_Hans: 启用 Markdown 渲染
+        zh_Hant: 啟用 Markdown 渲染
+      description:
+        en_US: Render non-stream C2C and QQ group text replies as Markdown. Channel messages always use plain text and are not affected by this setting.
+        zh_Hans: 将非流式 C2C 私聊和 QQ 群聊文本回复渲染为 Markdown。频道消息始终以纯文本发送，不受此设置影响。
+        zh_Hant: 將非串流 C2C 私聊與 QQ 群聊文字回覆渲染為 Markdown。頻道訊息一律以純文字傳送，不受此設定影響。
+      type: boolean
+      required: true
+      default: false
     - name: webhook_url
       label:
         en_US: Webhook Callback URL

src/langbot/pkg/platform/sources/wecombot.py

@@ -3,8 +3,10 @@ import typing
 import asyncio
 import time
 import traceback
+import base64
 
 import datetime
+
 import langbot_plugin.api.definition.abstract.platform.adapter as abstract_platform_adapter
 import langbot_plugin.api.entities.builtin.platform.message as platform_message
 import langbot_plugin.api.entities.builtin.platform.events as platform_events
@@ -24,11 +26,24 @@ from langbot.libs.wecom_ai_bot_api.ws_client import WecomBotWsClient
 class WecomBotMessageConverter(abstract_platform_adapter.AbstractMessageConverter):
     @staticmethod
     async def yiri2target(message_chain: platform_message.MessageChain):
-        content = ''
+        """Convert a MessageChain into a list of component dicts.
+
+        Each dict has a ``type`` key (``'text'``, ``'image'``,
+        ``'voice'``, ``'file'``). Text items carry ``text``; media
+        items carry ``base64`` (may include a ``data:...;base64,``
+        prefix) and optionally ``name``.
+        """
+        items: list[dict] = []
         for msg in message_chain:
             if type(msg) is platform_message.Plain:
-                content += msg.text
-        return content
+                items.append({'type': 'text', 'text': msg.text})
+            elif type(msg) is platform_message.Image:
+                items.append({'type': 'image', 'base64': msg.base64 or ''})
+            elif type(msg) is platform_message.Voice:
+                items.append({'type': 'voice', 'base64': msg.base64 or ''})
+            elif type(msg) is platform_message.File:
+                items.append({'type': 'file', 'base64': msg.base64 or '', 'name': msg.name or ''})
+        return items
 
     @staticmethod
     async def target2yiri(event: WecomBotEvent, bot_name: str = ''):
@@ -362,13 +377,76 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
                 }
             )
 
+    @staticmethod
+    def _join_text_components(items: list[dict]) -> str:
+        """Concatenate ``text`` items in order, leaving media items alone."""
+        return ''.join(item['text'] for item in items if item.get('type') == 'text')
+
+    @staticmethod
+    def _iter_media_components(items: list[dict]):
+        """Yield non-text items in order."""
+        for item in items:
+            if item.get('type') in {'image', 'voice', 'file'}:
+                yield item
+
+    @staticmethod
+    async def _send_media(
+        bot,
+        req_id: str,
+        item: dict,
+    ) -> bool:
+        """Upload *item* to the WeCom AI Bot CDN and send it as a media reply.
+
+        Returns True on success. Falls back to a no-op (with a warning log)
+        if the SDK does not yet implement ``upload_media`` /
+        ``reply_image`` / ``reply_file`` / ``reply_voice`` — the framework
+        will keep working, just without image delivery.
+        """
+        kind = item.get('type')
+        upload = getattr(bot, 'upload_media', None)
+        if upload is None:
+            return False
+        b64_text = item.get('base64') or ''
+        if not b64_text:
+            return False
+        if b64_text.startswith('data:') and ',' in b64_text:
+            b64_text = b64_text.split(',', 1)[1]
+        try:
+            data = base64.b64decode(b64_text, validate=False)
+        except Exception:
+            return False
+        if not data:
+            return False
+        try:
+            upload_result = await upload(data, item.get('name') or f'attachment.{kind}', media_type=kind)
+        except Exception:
+            return False
+        media_id = getattr(upload_result, 'media_id', None) or (
+            isinstance(upload_result, dict) and upload_result.get('media_id')
+        )
+        if not media_id:
+            return False
+        reply_fn = {
+            'image': getattr(bot, 'reply_image', None),
+            'file': getattr(bot, 'reply_file', None),
+            'voice': getattr(bot, 'reply_voice', None),
+        }.get(kind)
+        if reply_fn is None:
+            return False
+        try:
+            await reply_fn(req_id, media_id)
+            return True
+        except Exception:
+            return False
+
     async def reply_message(
         self,
         message_source: platform_events.MessageEvent,
         message: platform_message.MessageChain,
         quote_origin: bool = False,
     ):
-        content = await self.message_converter.yiri2target(message)
+        items = await self.message_converter.yiri2target(message)
+        text = self._join_text_components(items)
         _ws_mode = not self.config.get('enable-webhook', False)
 
         event = message_source.source_platform_object
@@ -382,7 +460,7 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
                 else:
                     chat_id = str(message_source.sender.id)
                 try:
-                    await self.bot.send_message(chat_id, content)
+                    await self.bot.send_message(chat_id, text)
                 except Exception:
                     await self.logger.error(
                         f'WeComBot: proactive reply for synthetic event failed: {traceback.format_exc()}'
@@ -396,12 +474,15 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
 
         if _ws_mode:
             req_id = event.get('req_id', '') if isinstance(event, dict) else getattr(event, 'req_id', '')
-            if req_id:
-                await self.bot.reply_text(req_id, content)
-            else:
-                await self.bot.set_message(event.message_id, content)
+            if text:
+                if req_id:
+                    await self.bot.reply_text(req_id, text)
+                else:
+                    await self.bot.set_message(event.message_id, text)
+            for item in self._iter_media_components(items):
+                await self._send_media(self.bot, req_id, item)
         else:
-            await self.bot.set_message(event.message_id, content)
+            await self.bot.set_message(event.message_id, text)
 
     async def reply_message_chunk(
         self,
@@ -411,7 +492,8 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
         quote_origin: bool = False,
         is_final: bool = False,
     ):
-        content = await self.message_converter.yiri2target(message)
+        items = await self.message_converter.yiri2target(message)
+        text = self._join_text_components(items)
         _ws_mode = not self.config.get('enable-webhook', False)
 
         # Synthetic events (e.g. button-click triggered form resume) have
@@ -420,7 +502,7 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
         # of the stream/reply path.
         spo = message_source.source_platform_object
         if spo is None:
-            return await self._handle_synthetic_chunk(message_source, bot_message, content, is_final, _ws_mode)
+            return await self._handle_synthetic_chunk(message_source, bot_message, text, is_final, _ws_mode)
 
         msg_id = spo.message_id
 
@@ -452,7 +534,7 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
                     form_data.get('actions', []) or [],
                 )
             except Exception:
-                fallback = content or '（人工输入）'
+                fallback = text or '（人工输入）'
             if _ws_mode:
                 event = message_source.source_platform_object
                 req_id = event.get('req_id', '') if isinstance(event, dict) else getattr(event, 'req_id', '')
@@ -463,17 +545,22 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
             return {'stream': False, 'form': True, 'fallback': True}
 
         if _ws_mode:
-            success = await self.bot.push_stream_chunk(msg_id, content, is_final=is_final)
+            success = await self.bot.push_stream_chunk(msg_id, text, is_final=is_final)
             if not success and is_final:
                 event = message_source.source_platform_object
                 req_id = event.get('req_id', '')
                 if req_id:
-                    await self.bot.reply_text(req_id, content)
+                    await self.bot.reply_text(req_id, text)
+            if is_final:
+                event = message_source.source_platform_object
+                req_id = event.get('req_id', '')
+                for item in self._iter_media_components(items):
+                    await self._send_media(self.bot, req_id, item)
             return {'stream': success}
         else:
-            success = await self.bot.push_stream_chunk(msg_id, content, is_final=is_final)
+            success = await self.bot.push_stream_chunk(msg_id, text, is_final=is_final)
             if not success and is_final:
-                await self.bot.set_message(msg_id, content)
+                await self.bot.set_message(msg_id, text)
             return {'stream': success}
 
     async def is_stream_output_supported(self) -> bool:
@@ -627,8 +714,9 @@ class WecomBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
     async def send_message(self, target_type, target_id, message):
         _ws_mode = not self.config.get('enable-webhook', False)
         if _ws_mode:
-            content = await self.message_converter.yiri2target(message)
-            await self.bot.send_message(target_id, content)
+            items = await self.message_converter.yiri2target(message)
+            text = self._join_text_components(items)
+            await self.bot.send_message(target_id, text)
         else:
             pass
 

src/langbot/pkg/plugin/connector.py

@@ -264,6 +264,11 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
         if not self._control_token and allow_generate:
             self._control_token = secrets.token_urlsafe(48)
         if not self._control_token:
+            if self.runtime_profile == 'shared':
+                raise PluginRuntimeNotConnectedError(
+                    f'{PLUGIN_RUNTIME_CONTROL_TOKEN_ENV} must be configured with a strong shared secret '
+                    'for a Cloud Plugin Runtime'
+                )
             return {}
         try:
             self._control_token = validate_runtime_secret(
@@ -696,7 +701,13 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
             }
             self._known_desired_states.update({state.binding.installation_uuid: state for state in desired_states})
 
-        result = await runtime_handler.reconcile_plugin_installations(tuple(self._known_desired_states.values()))
+        reconcile_timeout_seconds = max(
+            300.0, self._runtime_connect_timeout(self.ap.instance_config.data.get('plugin', {}))
+        )
+        result = await runtime_handler.reconcile_plugin_installations(
+            tuple(self._known_desired_states.values()),
+            timeout=reconcile_timeout_seconds,
+        )
         await self._repair_reconcile_missing_artifacts(self._known_desired_states, result)
         self._record_reconcile_failures(self._known_desired_states, result)
 
@@ -731,7 +742,13 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
                     if state.binding.installation_uuid in all_states:
                         raise ValueError('Duplicate plugin installation UUID across projected Workspaces')
                     all_states[state.binding.installation_uuid] = state
-            result = await runtime_handler.reconcile_plugin_installations(tuple(all_states.values()))
+            reconcile_timeout_seconds = max(
+                300.0, self._runtime_connect_timeout(self.ap.instance_config.data.get('plugin', {}))
+            )
+            result = await runtime_handler.reconcile_plugin_installations(
+                tuple(all_states.values()),
+                timeout=reconcile_timeout_seconds,
+            )
             await self._repair_reconcile_missing_artifacts(all_states, result)
             self._record_reconcile_failures(all_states, result)
             for installation_uuid, previous in tuple(self._known_desired_states.items()):

src/langbot/pkg/plugin/handler.py

@@ -11,6 +11,8 @@ import traceback
 from dataclasses import dataclass
 
 import sqlalchemy
+import sqlalchemy.dialects.postgresql
+import sqlalchemy.dialects.sqlite
 
 from langbot_plugin.runtime.io import handler
 from langbot_plugin.runtime.io.connection import Connection
@@ -431,6 +433,19 @@ class RuntimeConnectionHandler(handler.Handler):
             return f'{identity.plugin_author}/{identity.plugin_name}'
         raise ValueError(f'Unsupported binary storage owner_type {owner_type!r}')
 
+    @staticmethod
+    def _legacy_binary_storage_key(
+        action_context: ActionContext,
+        *,
+        owner_type: str,
+        owner: str,
+        key: str,
+    ) -> str:
+        """Return the pre-tenancy key shape for a row already scoped to this Workspace."""
+
+        legacy_owner = action_context.workspace_uuid if owner_type == 'workspace' else owner
+        return f'{owner_type}:{legacy_owner}:{key}'
+
     @classmethod
     def _binary_storage_key(
         cls,
@@ -896,25 +911,82 @@ class RuntimeConnectionHandler(handler.Handler):
                 .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
                 .where(persistence_bstorage.BinaryStorage.unique_key == unique_key)
             )
+            storage = result.first()
+            if storage is None:
+                legacy_key = self._legacy_binary_storage_key(
+                    action_context,
+                    owner_type=owner_type,
+                    owner=owner,
+                    key=key,
+                )
+                result = await self.ap.persistence_mgr.execute_async(
+                    sqlalchemy.select(persistence_bstorage.BinaryStorage)
+                    .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
+                    .where(persistence_bstorage.BinaryStorage.unique_key == legacy_key)
+                    .where(persistence_bstorage.BinaryStorage.key == key)
+                    .where(persistence_bstorage.BinaryStorage.owner_type == owner_type)
+                    .where(persistence_bstorage.BinaryStorage.owner == owner)
+                )
+                storage = result.first()
+                if storage is not None:
+                    update_result = await self.ap.persistence_mgr.execute_async(
+                        sqlalchemy.update(persistence_bstorage.BinaryStorage)
+                        .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
+                        .where(persistence_bstorage.BinaryStorage.unique_key == legacy_key)
+                        .where(persistence_bstorage.BinaryStorage.key == key)
+                        .where(persistence_bstorage.BinaryStorage.owner_type == owner_type)
+                        .where(persistence_bstorage.BinaryStorage.owner == owner)
+                        .values(unique_key=unique_key, value=value)
+                    )
+                    if update_result.rowcount:
+                        return handler.ActionResponse.success(data={})
+                    canonical_update = await self.ap.persistence_mgr.execute_async(
+                        sqlalchemy.update(persistence_bstorage.BinaryStorage)
+                        .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
+                        .where(persistence_bstorage.BinaryStorage.unique_key == unique_key)
+                        .where(persistence_bstorage.BinaryStorage.key == key)
+                        .where(persistence_bstorage.BinaryStorage.owner_type == owner_type)
+                        .where(persistence_bstorage.BinaryStorage.owner == owner)
+                        .values(value=value)
+                    )
+                    if canonical_update.rowcount:
+                        return handler.ActionResponse.success(data={})
+                    storage = None
 
-            if result.first() is not None:
+            if storage is not None:
                 await self.ap.persistence_mgr.execute_async(
                     sqlalchemy.update(persistence_bstorage.BinaryStorage)
                     .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
                     .where(persistence_bstorage.BinaryStorage.unique_key == unique_key)
+                    .where(persistence_bstorage.BinaryStorage.key == key)
+                    .where(persistence_bstorage.BinaryStorage.owner_type == owner_type)
+                    .where(persistence_bstorage.BinaryStorage.owner == owner)
                     .values(value=value)
                 )
-            else:
-                await self.ap.persistence_mgr.execute_async(
-                    sqlalchemy.insert(persistence_bstorage.BinaryStorage).values(
-                        workspace_uuid=action_context.workspace_uuid,
-                        unique_key=unique_key,
-                        key=key,
-                        owner_type=owner_type,
-                        owner=owner,
-                        value=value,
-                    )
+                return handler.ActionResponse.success(data={})
+
+            dialect_name = self.ap.persistence_mgr.get_db_engine().dialect.name
+            insert = {
+                'postgresql': sqlalchemy.dialects.postgresql.insert,
+                'sqlite': sqlalchemy.dialects.sqlite.insert,
+            }.get(dialect_name)
+            if insert is None:
+                return handler.ActionResponse.error(message=f'Unsupported storage database dialect: {dialect_name}')
+            await self.ap.persistence_mgr.execute_async(
+                insert(persistence_bstorage.BinaryStorage)
+                .values(
+                    workspace_uuid=action_context.workspace_uuid,
+                    unique_key=unique_key,
+                    key=key,
+                    owner_type=owner_type,
+                    owner=owner,
+                    value=value,
                 )
+                .on_conflict_do_update(
+                    index_elements=['workspace_uuid', 'unique_key'],
+                    set_={'value': value},
+                )
+            )
 
             return handler.ActionResponse.success(
                 data={},
@@ -946,6 +1018,29 @@ class RuntimeConnectionHandler(handler.Handler):
             )
 
             storage = result.first()
+            if storage is None:
+                legacy_key = self._legacy_binary_storage_key(
+                    action_context,
+                    owner_type=owner_type,
+                    owner=owner,
+                    key=key,
+                )
+                result = await self.ap.persistence_mgr.execute_async(
+                    sqlalchemy.select(persistence_bstorage.BinaryStorage)
+                    .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
+                    .where(persistence_bstorage.BinaryStorage.unique_key == legacy_key)
+                    .where(persistence_bstorage.BinaryStorage.key == key)
+                    .where(persistence_bstorage.BinaryStorage.owner_type == owner_type)
+                    .where(persistence_bstorage.BinaryStorage.owner == owner)
+                )
+                storage = result.first()
+                if storage is None:
+                    retry_result = await self.ap.persistence_mgr.execute_async(
+                        sqlalchemy.select(persistence_bstorage.BinaryStorage)
+                        .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
+                        .where(persistence_bstorage.BinaryStorage.unique_key == unique_key)
+                    )
+                    storage = retry_result.first()
             if storage is None:
                 return handler.ActionResponse.error(
                     message=f'Storage with key {key} not found',
@@ -981,10 +1076,19 @@ class RuntimeConnectionHandler(handler.Handler):
                     message=str(e),
                 )
 
+            legacy_key = self._legacy_binary_storage_key(
+                action_context,
+                owner_type=owner_type,
+                owner=owner,
+                key=key,
+            )
             await self.ap.persistence_mgr.execute_async(
                 sqlalchemy.delete(persistence_bstorage.BinaryStorage)
                 .where(persistence_bstorage.BinaryStorage.workspace_uuid == action_context.workspace_uuid)
-                .where(persistence_bstorage.BinaryStorage.unique_key == unique_key)
+                .where(persistence_bstorage.BinaryStorage.unique_key.in_((unique_key, legacy_key)))
+                .where(persistence_bstorage.BinaryStorage.key == key)
+                .where(persistence_bstorage.BinaryStorage.owner_type == owner_type)
+                .where(persistence_bstorage.BinaryStorage.owner == owner)
             )
 
             return handler.ActionResponse.success(
@@ -1012,7 +1116,7 @@ class RuntimeConnectionHandler(handler.Handler):
 
             return handler.ActionResponse.success(
                 data={
-                    'keys': result.scalars().all(),
+                    'keys': list(dict.fromkeys(result.scalars().all())),
                 },
             )
 
@@ -1573,13 +1677,15 @@ class RuntimeConnectionHandler(handler.Handler):
     async def reconcile_plugin_installations(
         self,
         installations: tuple[PluginInstallationDesiredState, ...],
+        *,
+        timeout: float = 300,
     ) -> dict[str, Any]:
         request = ReconcilePluginInstallationsRequest(installations=installations)
         with self.installation_scope(None):
             return await self.call_action(
                 LangBotToRuntimeAction.RECONCILE_PLUGIN_INSTALLATIONS,
                 request.model_dump(),
-                timeout=120,
+                timeout=timeout,
             )
 
     async def apply_plugin_installation(
@@ -1962,11 +2068,16 @@ class RuntimeConnectionHandler(handler.Handler):
 
     async def get_debug_info(self, execution_context: ExecutionContext) -> dict[str, Any]:
         """Get debug information including debug key and WS URL"""
+        action_context = ActionContext(
+            instance_uuid=execution_context.instance_uuid,
+            workspace_uuid=execution_context.workspace_uuid,
+            placement_generation=execution_context.placement_generation,
+        )
         result = await self.call_action(
             LangBotToRuntimeAction.GET_DEBUG_INFO,
             {},
             timeout=10,
-            action_context=execution_context,
+            action_context=action_context,
         )
         return result
 

src/langbot/pkg/provider/modelmgr/requesters/seekdbembed.py

@@ -24,7 +24,10 @@ class SeekDBEmbedding(requester.ProviderAPIRequester):
         try:
             import pyseekdb
         except ImportError:
-            raise ImportError('pyseekdb is not installed. Install it with: pip install pyseekdb')
+            raise ImportError(
+                "SeekDB support is not installed. Install LangBot with the 'seekdb' extra: "
+                "uv sync --extra seekdb (source) or uvx --from 'langbot[seekdb]@latest' langbot (PyPI)."
+            )
 
         self._embedding_function = pyseekdb.get_default_embedding_function()
 

src/langbot/pkg/vector/vdbs/seekdb.py

@@ -42,7 +42,10 @@ class SeekDBVectorDatabase(VectorDatabase):
 
     def __init__(self, ap: app.Application):
         if not SEEKDB_AVAILABLE:
-            raise ImportError('pyseekdb is not installed. Install it with: pip install pyseekdb')
+            raise ImportError(
+                "SeekDB support is not installed. Install LangBot with the 'seekdb' extra: "
+                "uv sync --extra seekdb (source) or uvx --from 'langbot[seekdb]@latest' langbot (PyPI)."
+            )
 
         self.ap = ap
         config = self.ap.instance_config.data['vdb']['seekdb']

src/langbot/pkg/workspace/invitation_delivery.py

@@ -240,7 +240,7 @@ class InvitationDeliveryService:
     @staticmethod
     def _plain_text(workspace_name: str, invitation_link: str) -> str:
         return (
-            'You have been invited to LangBot Cloud\n\n'
+            'You have been invited to join a Workspace in LangBot\n\n'
             f'Join the Workspace “{workspace_name}” to collaborate with your team.\n\n'
             f'Accept invitation: {invitation_link}\n\n'
             'This secure invitation expires in 7 days and can only be accepted by the email address '
@@ -258,30 +258,77 @@ class InvitationDeliveryService:
 <head>
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width,initial-scale=1">
-  <title>Join {escaped_workspace} on LangBot Cloud</title>
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <title>Join {escaped_workspace} in LangBot</title>
 </head>
-<body style="margin:0;background:#f4f7fb;color:#152033;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;">
-  <div style="display:none;max-height:0;overflow:hidden;opacity:0;">You have been invited to join {escaped_workspace} on LangBot Cloud.</div>
-  <table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="background:#f4f7fb;padding:40px 16px;">
-    <tr><td align="center">
-      <table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="max-width:600px;background:#ffffff;border:1px solid #e5eaf2;border-radius:16px;overflow:hidden;box-shadow:0 12px 32px rgba(20,49,93,.08);">
-        <tr><td style="padding:28px 36px;background:linear-gradient(135deg,#0f172a,#1d4ed8);color:#ffffff;">
-          <div style="font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.78;">LangBot Cloud</div>
-          <div style="font-size:26px;font-weight:700;margin-top:8px;line-height:1.25;">You’re invited</div>
-        </td></tr>
-        <tr><td style="padding:36px;">
-          <p style="margin:0 0 18px;font-size:16px;line-height:1.65;color:#475569;">You have been invited to collaborate in this Workspace:</p>
-          <div style="margin:0 0 26px;padding:18px 20px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;font-size:18px;font-weight:700;color:#0f172a;">{escaped_workspace}</div>
-          <table role="presentation" cellspacing="0" cellpadding="0"><tr><td style="border-radius:9px;background:#2563eb;">
-            <a href="{escaped_link}" style="display:inline-block;padding:13px 22px;color:#ffffff;text-decoration:none;font-size:15px;font-weight:700;">Accept invitation</a>
-          </td></tr></table>
-          <p style="margin:26px 0 8px;font-size:14px;line-height:1.6;color:#64748b;">This invitation expires in 7 days and is bound to the email address that received it.</p>
-          <p style="margin:0 0 8px;font-size:13px;line-height:1.6;color:#94a3b8;">If the button does not work, copy and paste this URL into your browser:</p>
-          <p style="margin:0;padding:12px;background:#f8fafc;border-radius:8px;word-break:break-all;font-size:12px;line-height:1.55;color:#475569;">{escaped_link}</p>
-        </td></tr>
-        <tr><td style="padding:20px 36px;border-top:1px solid #eef2f7;font-size:12px;line-height:1.6;color:#94a3b8;">If you were not expecting this invitation, you can safely ignore this email.</td></tr>
-      </table>
-    </td></tr>
+<body style="margin:0;padding:0;background:#f4f7fb;color:#111827;font-family:Arial,'Helvetica Neue',sans-serif;">
+  <div style="display:none;max-height:0;overflow:hidden;opacity:0;">You have been invited to join {escaped_workspace} in LangBot.</div>
+  <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="width:100%;background:#f4f7fb;">
+    <tr>
+      <td align="center" style="padding:48px 16px;">
+        <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="width:100%;max-width:600px;">
+          <tr>
+            <td style="padding:0 4px 20px;">
+              <img src="https://docs.langbot.app/langbot-logo.png" alt="LangBot" width="34" height="34" style="display:inline-block;width:34px;height:34px;border:0;vertical-align:middle;">
+              <span style="display:inline-block;margin-left:10px;vertical-align:middle;font-size:18px;font-weight:700;letter-spacing:-.01em;">LangBot</span>
+            </td>
+          </tr>
+          <tr>
+            <td style="background:#ffffff;border-radius:10px;overflow:hidden;">
+              <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0">
+                <tr>
+                  <td style="padding:42px 42px 38px;">
+                    <div style="margin:0 0 12px;font-size:13px;line-height:1.4;font-weight:600;color:#5f6f84;">Workspace invitation</div>
+                    <h1 style="margin:0 0 16px;font-size:28px;line-height:1.25;font-weight:700;letter-spacing:-.025em;color:#111827;">You’re invited to collaborate</h1>
+                    <p style="margin:0 0 28px;font-size:15px;line-height:1.7;color:#526173;">Join your team in LangBot and start building together in this Workspace.</p>
+
+                    <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="background:#f6f8fb;border-radius:8px;">
+                      <tr>
+                        <td style="padding:16px 18px;">
+                          <div style="margin:0 0 4px;font-size:11px;line-height:1.4;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#5f6f84;">Workspace</div>
+                          <div style="font-size:18px;line-height:1.4;font-weight:700;color:#111827;">{escaped_workspace}</div>
+                        </td>
+                      </tr>
+                    </table>
+
+                    <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0">
+                      <tr><td height="28" style="height:28px;font-size:0;line-height:0;">&nbsp;</td></tr>
+                    </table>
+
+                    <table role="presentation" cellspacing="0" cellpadding="0" border="0">
+                      <tr>
+                        <td style="background:#2563eb;border-radius:8px;">
+                          <a href="{escaped_link}" target="_blank" style="display:inline-block;padding:13px 22px;font-size:15px;line-height:1.2;font-weight:700;color:#ffffff;text-decoration:none;border-radius:8px;">Accept invitation</a>
+                        </td>
+                      </tr>
+                    </table>
+
+                    <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0">
+                      <tr><td height="32" style="height:32px;font-size:0;line-height:0;">&nbsp;</td></tr>
+                    </table>
+
+                    <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="border-top:1px solid #e8edf4;">
+                      <tr>
+                        <td style="padding-top:22px;">
+                          <p style="margin:0 0 10px;font-size:13px;line-height:1.6;color:#5f6f84;">For your security, this invitation expires in 7 days and only works for the email address that received it.</p>
+                          <a href="{escaped_link}" target="_blank" style="font-size:13px;line-height:1.6;font-weight:600;color:#2563eb;text-decoration:none;">Open invitation link&nbsp;&rarr;</a>
+                        </td>
+                      </tr>
+                    </table>
+                  </td>
+                </tr>
+              </table>
+            </td>
+          </tr>
+          <tr>
+            <td align="center" style="padding:20px 24px 0;font-size:12px;line-height:1.6;color:#5f6f84;">
+              Sent by LangBot<br>
+              If you were not expecting this invitation, you can safely ignore this email.
+            </td>
+          </tr>
+        </table>
+      </td>
+    </tr>
   </table>
 </body>
 </html>'''

src/langbot/templates/config.yaml

@@ -181,6 +181,11 @@ vdb:
         host: localhost
         port: 6333
         api_key: ''
+    # SeekDB is optional. Native/package installs need the `seekdb` extra:
+    # `uv sync --extra seekdb` (source) or
+    # `uvx --from 'langbot[seekdb]@latest' langbot` (PyPI).
+    # The official Docker image already includes it.
+    # Embedded-mode platform support depends on the native pylibseekdb wheels.
     seekdb:
         mode: embedded  # 'embedded' or 'server'
         # Embedded mode options:
@@ -328,8 +333,9 @@ box:
     enabled: true
     backend: 'local'  # 'local' (Docker/nsjail), 'docker', 'nsjail', or 'e2b'. Can be written via BOX__BACKEND.
     runtime:
-        # External WebSocket runtimes also require LANGBOT_BOX_CONTROL_TOKEN in
-        # both LangBot and Box. Keep the shared secret out of this config file.
+        # LANGBOT_BOX_CONTROL_TOKEN is optional for OSS external WebSocket
+        # runtimes. To protect an exposed endpoint, set the same strong secret
+        # in both LangBot and Box. Keep it out of this config file.
         endpoint: ''  # External Box Runtime base URL, e.g. 'ws://127.0.0.1:5410'. Leave empty for local auto-managed runtime.
     limits:
         max_sessions: 64