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/tool/shell.rs

@@ -31,6 +31,10 @@ impl Tool for Bash {
                 "timeout": {
                     "type": "integer",
                     "description": "Timeout in milliseconds (default 120000, max 600000)"
+                },
+                "run_in_background": {
+                    "type": "boolean",
+                    "description": "Run the command in the background and return immediately with a job ID"
                 }
             },
             "required": ["command"]
@@ -47,6 +51,11 @@ impl Tool for Bash {
         let workspace_roots: Vec<&std::path::Path> = ctx.workspaces.iter().map(|p| p.as_path()).collect();
         crate::app::catastrophic::CatastrophicGuard::check_all(&cmd, &workspace_roots)
             .map_err(|e| anyhow!("catastrophic guard blocked: {}", e))?;
+        let run_in_background = args.get("run_in_background").and_then(|v| v.as_bool()).unwrap_or(false);
+        if run_in_background {
+            let job = crate::app::bgbash::job::spawn_bash_job(cmd);
+            return Ok(format!("Background job: {}", job.id));
+        }
         let mut child = Command::new("bash")
             .arg("-c")
             .arg(&cmd)