feat(webui): add project workspaces and access controls (#4007)

* feat(webui): add project workspaces and access controls

* feat(webui): add project workspaces and access controls

* refactor(tools): centralize workspace access resolution

* refactor(webui): remove unused workspace host state

* fix(webui): hide estimated file edit label

* fix(webui): clarify file edit deletion feedback

* fix(webui): label deleted file activity

* fix(webui): flatten file edit activity rows

* fix(core): remove path-only patch deletion

* fix(core): keep apply patch non-destructive

* refactor(webui): trim workspace host plumbing

* fix(tools): register exec with tools config

nanobot/agent/tools/spawn.py

@@ -8,6 +8,7 @@ from typing import TYPE_CHECKING, Any
 from nanobot.agent.tools.base import Tool, tool_parameters
 from nanobot.agent.tools.context import ContextAware, RequestContext
 from nanobot.agent.tools.schema import NumberSchema, StringSchema, tool_parameters_schema
+from nanobot.security.workspace_access import current_workspace_scope
 
 if TYPE_CHECKING:
     from nanobot.agent.subagent import SubagentManager
@@ -91,4 +92,5 @@ class SpawnTool(Tool, ContextAware):
             session_key=self._session_key.get(),
             origin_message_id=self._origin_message_id.get(),
             temperature=temperature,
+            workspace_scope=current_workspace_scope(),
         )