feat: unify web tool config under WebToolsConfig + add web tool toggle controls

- Rename WebSearchConfig references to the new WebToolsConfig root struct that wraps both search config and global proxy settings
- Add 'enable' flag to WebToolsConfig to allow fully disabling all web-related tools (WebSearch, WebFetch) at runtime
- Update AgentLoop and SubagentManager to receive the full web config object instead of separate web_search_config/web_proxy parameters
- Update CLI command initialization to pass the consolidated web config struct instead of split fields
- Change default web search provider from brave to duckduckgo for better out-of-the-box usability (no API key required)

nanobot/agent/loop.py

@@ -33,7 +33,7 @@ from nanobot.providers.base import LLMProvider
 from nanobot.session.manager import Session, SessionManager
 
 if TYPE_CHECKING:
-    from nanobot.config.schema import ChannelsConfig, ExecToolConfig, WebSearchConfig
+    from nanobot.config.schema import ChannelsConfig, ExecToolConfig, WebToolsConfig
     from nanobot.cron.service import CronService
 
 
@@ -59,8 +59,7 @@ class AgentLoop:
         model: str | None = None,
         max_iterations: int = 40,
         context_window_tokens: int = 65_536,
-        web_search_config: WebSearchConfig | None = None,
+        web_config: WebToolsConfig | None = None,
-        web_proxy: str | None = None,
         exec_config: ExecToolConfig | None = None,
         cron_service: CronService | None = None,
         restrict_to_workspace: bool = False,
@@ -69,7 +68,7 @@ class AgentLoop:
         channels_config: ChannelsConfig | None = None,
         timezone: str | None = None,
     ):
-        from nanobot.config.schema import ExecToolConfig, WebSearchConfig
+        from nanobot.config.schema import ExecToolConfig, WebToolsConfig
 
         self.bus = bus
         self.channels_config = channels_config
@@ -78,8 +77,7 @@ class AgentLoop:
         self.model = model or provider.get_default_model()
         self.max_iterations = max_iterations
         self.context_window_tokens = context_window_tokens
-        self.web_search_config = web_search_config or WebSearchConfig()
+        self.web_config = web_config or WebToolsConfig()
-        self.web_proxy = web_proxy
         self.exec_config = exec_config or ExecToolConfig()
         self.cron_service = cron_service
         self.restrict_to_workspace = restrict_to_workspace
@@ -95,8 +93,7 @@ class AgentLoop:
             workspace=workspace,
             bus=bus,
             model=self.model,
-            web_search_config=self.web_search_config,
+            web_config=self.web_config,
-            web_proxy=web_proxy,
             exec_config=self.exec_config,
             restrict_to_workspace=restrict_to_workspace,
         )
@@ -142,8 +139,9 @@ class AgentLoop:
                 restrict_to_workspace=self.restrict_to_workspace,
                 path_append=self.exec_config.path_append,
             ))
-        self.tools.register(WebSearchTool(config=self.web_search_config, proxy=self.web_proxy))
+        if self.web_config.enable:
-        self.tools.register(WebFetchTool(proxy=self.web_proxy))
+            self.tools.register(WebSearchTool(config=self.web_config.search, proxy=self.web_config.proxy))
+            self.tools.register(WebFetchTool(proxy=self.web_config.proxy))
         self.tools.register(MessageTool(send_callback=self.bus.publish_outbound))
         self.tools.register(SpawnTool(manager=self.subagents))
         if self.cron_service:

nanobot/agent/subagent.py

@@ -17,7 +17,7 @@ from nanobot.agent.tools.shell import ExecTool
 from nanobot.agent.tools.web import WebFetchTool, WebSearchTool
 from nanobot.bus.events import InboundMessage
 from nanobot.bus.queue import MessageBus
-from nanobot.config.schema import ExecToolConfig
+from nanobot.config.schema import ExecToolConfig, WebToolsConfig
 from nanobot.providers.base import LLMProvider
 
 
@@ -30,8 +30,7 @@ class SubagentManager:
         workspace: Path,
         bus: MessageBus,
         model: str | None = None,
-        web_search_config: "WebSearchConfig | None" = None,
+        web_config: "WebToolsConfig | None" = None,
-        web_proxy: str | None = None,
         exec_config: "ExecToolConfig | None" = None,
         restrict_to_workspace: bool = False,
     ):
@@ -41,8 +40,7 @@ class SubagentManager:
         self.workspace = workspace
         self.bus = bus
         self.model = model or provider.get_default_model()
-        self.web_search_config = web_search_config or WebSearchConfig()
+        self.web_config = web_config or WebToolsConfig()
-        self.web_proxy = web_proxy
         self.exec_config = exec_config or ExecToolConfig()
         self.restrict_to_workspace = restrict_to_workspace
         self.runner = AgentRunner(provider)
@@ -100,14 +98,16 @@ class SubagentManager:
             tools.register(WriteFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
             tools.register(EditFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
             tools.register(ListDirTool(workspace=self.workspace, allowed_dir=allowed_dir))
-            tools.register(ExecTool(
+            if self.exec_config.enable:
-                working_dir=str(self.workspace),
+                tools.register(ExecTool(
-                timeout=self.exec_config.timeout,
+                    working_dir=str(self.workspace),
-                restrict_to_workspace=self.restrict_to_workspace,
+                    timeout=self.exec_config.timeout,
-                path_append=self.exec_config.path_append,
+                    restrict_to_workspace=self.restrict_to_workspace,
-            ))
+                    path_append=self.exec_config.path_append,
-            tools.register(WebSearchTool(config=self.web_search_config, proxy=self.web_proxy))
+                ))
-            tools.register(WebFetchTool(proxy=self.web_proxy))
+            if self.web_config.enable:
+                tools.register(WebSearchTool(config=self.web_config.search, proxy=self.web_config.proxy))
+                tools.register(WebFetchTool(proxy=self.web_config.proxy))
             
             system_prompt = self._build_subagent_prompt()
             messages: list[dict[str, Any]] = [

nanobot/cli/commands.py

@@ -541,8 +541,7 @@ def gateway(
         model=config.agents.defaults.model,
         max_iterations=config.agents.defaults.max_tool_iterations,
         context_window_tokens=config.agents.defaults.context_window_tokens,
-        web_search_config=config.tools.web.search,
+        web_config=config.tools.web,
-        web_proxy=config.tools.web.proxy or None,
         exec_config=config.tools.exec,
         cron_service=cron,
         restrict_to_workspace=config.tools.restrict_to_workspace,
@@ -747,8 +746,7 @@ def agent(
         model=config.agents.defaults.model,
         max_iterations=config.agents.defaults.max_tool_iterations,
         context_window_tokens=config.agents.defaults.context_window_tokens,
-        web_search_config=config.tools.web.search,
+        web_config=config.tools.web,
-        web_proxy=config.tools.web.proxy or None,
         exec_config=config.tools.exec,
         cron_service=cron,
         restrict_to_workspace=config.tools.restrict_to_workspace,

nanobot/config/schema.py

@@ -107,7 +107,7 @@ class GatewayConfig(Base):
 class WebSearchConfig(Base):
     """Web search tool configuration."""
 
-    provider: str = "brave"  # brave, tavily, duckduckgo, searxng, jina
+    provider: str = "duckduckgo"  # brave, tavily, duckduckgo, searxng, jina
     api_key: str = ""
     base_url: str = ""  # SearXNG base URL
     max_results: int = 5
@@ -116,6 +116,7 @@ class WebSearchConfig(Base):
 class WebToolsConfig(Base):
     """Web tools configuration."""
 
+    enable: bool = True
     proxy: str | None = (
         None  # HTTP/SOCKS5 proxy URL, e.g. "http://127.0.0.1:7890" or "socks5://127.0.0.1:1080"
     )