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/workflow.rs

@@ -32,10 +32,23 @@ impl Tool for WorkflowRun {
     }
 
     fn run(&self, _ctx: &ToolCtx, args: &Value) -> Result<String> {
-        let _script = args.get("script")
+        let script_str = args.get("script")
             .and_then(|v| v.as_str())
             .ok_or_else(|| anyhow!("missing required argument: script"))?;
-        let _workflow_args = args.get("args");
-        Ok("workflow delegated to workflow engine".to_string())
+
+        let workflow_script: crate::app::workflow::script::WorkflowScript =
+            serde_json::from_str(script_str)
+                .map_err(|e| anyhow!("failed to parse workflow script: {}", e))?;
+
+        let workflow_args: std::collections::HashMap<String, String> = args.get("args")
+            .and_then(|v| v.as_object())
+            .map(|obj| {
+                obj.iter().filter_map(|(k, v)| {
+                    v.as_str().map(|s| (k.clone(), s.to_string()))
+                }).collect()
+            })
+            .unwrap_or_default();
+
+        crate::app::workflow::engine::run_workflow(&workflow_script, &workflow_args)
     }
 }