refactor(exec): split host flows and harden safe-bin trust

src/agents/bash-tools.exec-types.ts

@@ -0,0 +1,57 @@
+import type { ExecAsk, ExecHost, ExecSecurity } from "../infra/exec-approvals.js";
+import type { BashSandboxConfig } from "./bash-tools.shared.js";
+
+export type ExecToolDefaults = {
+  host?: ExecHost;
+  security?: ExecSecurity;
+  ask?: ExecAsk;
+  node?: string;
+  pathPrepend?: string[];
+  safeBins?: string[];
+  agentId?: string;
+  backgroundMs?: number;
+  timeoutSec?: number;
+  approvalRunningNoticeMs?: number;
+  sandbox?: BashSandboxConfig;
+  elevated?: ExecElevatedDefaults;
+  allowBackground?: boolean;
+  scopeKey?: string;
+  sessionKey?: string;
+  messageProvider?: string;
+  notifyOnExit?: boolean;
+  notifyOnExitEmptySuccess?: boolean;
+  cwd?: string;
+};
+
+export type ExecElevatedDefaults = {
+  enabled: boolean;
+  allowed: boolean;
+  defaultLevel: "on" | "off" | "ask" | "full";
+};
+
+export type ExecToolDetails =
+  | {
+      status: "running";
+      sessionId: string;
+      pid?: number;
+      startedAt: number;
+      cwd?: string;
+      tail?: string;
+    }
+  | {
+      status: "completed" | "failed";
+      exitCode: number | null;
+      durationMs: number;
+      aggregated: string;
+      cwd?: string;
+    }
+  | {
+      status: "approval-pending";
+      approvalId: string;
+      approvalSlug: string;
+      expiresAtMs: number;
+      host: ExecHost;
+      command: string;
+      cwd?: string;
+      nodeId?: string;
+    };