[deep-report] Standardize CLI output routing by replacing raw fmt.Print* usage #12571
Description
Description
Terminal Stylist analysis found ~46 raw fmt.Print* calls without explicit stderr/stdout routing. Replace these with fmt.Fprintln(os.Stderr, ...) for non-JSON output and reserve stdout for JSON payloads only. Start with the hotspots noted in the report: pkg/workflow/stop_after.go, pkg/workflow/mcp_config_custom.go, pkg/workflow/engine_firewall_support.go, pkg/campaign/command.go (JSON exceptions), and pkg/cli/tool_graph.go.
Expected Impact
Consistent CLI output behavior, reduced risk of mixing diagnostics with machine-readable output, and alignment with AGENTS.md console formatting guidelines.
Suggested Agent
CLI Consistency Checker
Estimated Effort
Medium (1-4 hours)
Data Source
Terminal Stylist discussion #12488 (2026-01-29) and this DeepReport run (2026-01-29).
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