fix(cli): ignore model-provided timeout in CLI runtime (#11835)

In CLI runtime, stdin harnesses expect command lifetime to be governed
solely by commandExecutionTimeout (user setting), not model-provided
background timeouts. Extract resolveAgentTimeoutMs() and return 0 when
ROO_CLI_RUNTIME=1.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: cte

src/core/tools/ExecuteCommandTool.ts

@@ -29,6 +29,15 @@ interface ExecuteCommandParams {
 	timeout?: number | null
 }
 
+export function resolveAgentTimeoutMs(timeoutSeconds: number | null | undefined): number {
+	const requestedAgentTimeout = typeof timeoutSeconds === "number" && timeoutSeconds > 0 ? timeoutSeconds * 1000 : 0
+
+	// In CLI runtime, stdin harnesses expect command lifetime to be governed
+	// solely by commandExecutionTimeout (user setting), not model-provided
+	// background timeouts.
+	return process.env.ROO_CLI_RUNTIME === "1" ? 0 : requestedAgentTimeout
+}
+
 export class ExecuteCommandTool extends BaseTool<"execute_command"> {
 	readonly name = "execute_command" as const
 
@@ -87,7 +96,7 @@ export class ExecuteCommandTool extends BaseTool<"execute_command"> {
 			const commandExecutionTimeout = isCommandAllowlisted ? 0 : commandExecutionTimeoutSeconds * 1000
 
 			// Convert agent-specified timeout from seconds to milliseconds
-			const agentTimeout = typeof timeoutSeconds === "number" && timeoutSeconds > 0 ? timeoutSeconds * 1000 : 0
+			const agentTimeout = resolveAgentTimeoutMs(timeoutSeconds)
 
 			const options: ExecuteCommandOptions = {
 				executionId,

src/core/tools/__tests__/executeCommandTool.spec.ts

@@ -48,6 +48,7 @@ describe("executeCommandTool", () => {
 	let mockHandleError: any
 	let mockPushToolResult: any
 	let mockToolUse: ToolUse<"execute_command">
+	const originalCliRuntime = process.env.ROO_CLI_RUNTIME
 
 	beforeEach(() => {
 		// Reset mocks
@@ -106,6 +107,10 @@ describe("executeCommandTool", () => {
 		}
 	})
 
+	afterEach(() => {
+		process.env.ROO_CLI_RUNTIME = originalCliRuntime
+	})
+
 	/**
 	 * Tests for HTML entity unescaping in commands
 	 * This verifies that HTML entities are properly converted to their actual characters
@@ -285,5 +290,15 @@ describe("executeCommandTool", () => {
 			expect(mockOptions.command).toBeDefined()
 			expect(mockOptions.commandExecutionTimeout).toBeDefined()
 		})
+
+		it("should ignore model timeout in CLI runtime", () => {
+			process.env.ROO_CLI_RUNTIME = "1"
+			expect(executeCommandModule.resolveAgentTimeoutMs(30)).toBe(0)
+		})
+
+		it("should honor model timeout outside CLI runtime", () => {
+			delete process.env.ROO_CLI_RUNTIME
+			expect(executeCommandModule.resolveAgentTimeoutMs(30)).toBe(30_000)
+		})
 	})
 })