feat: Enhance OAuth module and OpenRouter client functionality

- Updated OAuth module to include unused imports for better clarity.
- Refactored OpenRouterClient to improve chat functionality and added support for tools in chat requests.
- Modified internet tools (Download, Fetch, Search) to use a more flexible internet mode check.
- Introduced new Bash tools for managing background jobs (BashOutput, BashKill).
- Enhanced workflow tool to parse and execute workflow scripts with arguments.
- Updated status and workflow views to reflect new agent and findings counts.
- Added IPC protocol definitions for client requests and state payloads.

src/app/state/runtime.rs

@@ -60,6 +60,23 @@ pub struct BashJobRef {
     pub running: bool,
 }
 
+#[derive(Debug, Clone)]
+pub enum TurnEvent {
+    AssistantMessage(crate::dto::chat::message::ChatMessage),
+    ToolResult {
+        tool_call_id: String,
+        tool_name: String,
+        output: String,
+        is_error: bool,
+    },
+    SystemNote {
+        kind: String,
+        message: String,
+    },
+    Error(String),
+    Done,
+}
+
 impl SessionRuntime {
     pub fn new(session_dir: PathBuf) -> Self {
         SessionRuntime {