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/runtime/stream/tools/mod.rs

@@ -1,24 +1,3 @@
-use crate::tool::{ToolCtx, all_tools};
-use serde_json::Value;
-use anyhow::Result;
-
-pub fn execute_tool_call(name: &str, args: &Value, ctx: &ToolCtx) -> Result<String> {
-    let tools = all_tools();
-    for tool in &tools {
-        if tool.name() == name {
-            return tool.run(ctx, args);
-        }
-    }
-    Err(anyhow::anyhow!("tool not found: {}", name))
-}
-
-#[expect(dead_code)]
-pub fn execute_deferred_tool(name: &str, args: &Value, ctx: &ToolCtx) -> Result<String> {
-    let tools = all_tools();
-    for tool in &tools {
-        if tool.name() == name {
-            return tool.run(ctx, args);
-        }
-    }
-    Err(anyhow::anyhow!("deferred tool not found: {}", name))
-}
+// Tool execution dispatch — superseded by inline per-tool call in
+// app::runtime::actions::execute_one_tool within the SubmitInput loop.
+// This module is preserved as a placeholder.