feat(gateway): register all tools in SessionManager

- Register FileReadTool, FileWriteTool, FileEditTool, BashTool
- Register HttpRequestTool with allow-all domains for testing
- Register WebFetchTool
- CalculatorTool already registered

src/gateway/session.rs

@@ -7,7 +7,10 @@ use crate::bus::ChatMessage;
 use crate::config::LLMProviderConfig;
 use crate::agent::{AgentLoop, AgentError};
 use crate::protocol::WsOutbound;
-use crate::tools::{CalculatorTool, ToolRegistry};
+use crate::tools::{
+    BashTool, CalculatorTool, FileEditTool, FileReadTool, FileWriteTool,
+    HttpRequestTool, ToolRegistry, WebFetchTool,
+};
 
 /// Session 按 channel 隔离，每个 channel 一个 Session
 /// History 按 chat_id 隔离，由 Session 统一管理
@@ -114,6 +117,17 @@ struct SessionManagerInner {
 fn default_tools() -> ToolRegistry {
     let mut registry = ToolRegistry::new();
     registry.register(CalculatorTool::new());
+    registry.register(FileReadTool::new());
+    registry.register(FileWriteTool::new());
+    registry.register(FileEditTool::new());
+    registry.register(BashTool::new());
+    registry.register(HttpRequestTool::new(
+        vec!["*".to_string()], // 允许所有域名，实际使用时建议限制
+        1_000_000,             // max_response_size
+        30,                     // timeout_secs
+        false,                  // allow_private_hosts
+    ));
+    registry.register(WebFetchTool::new(50_000, 30)); // max_chars, timeout_secs
     registry
 }