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Declarative flows now run on the CrewRunApp TUI when interactive, matching declarative crews and conversational flows. Headless contexts — CREWAI_DMN (deploy), piped output, CI, any non-TTY — fall back to the direct-terminal kickoff, gated by is_interactive() (folds in the CREWAI_DMN check and requires a real TTY). The TUI shows per-method progress: a new STEPS panel driven by flow method events (FlowStarted / MethodExecutionStarted/Finished/Failed), each labeled with its declarative call type (crew/agent/expression/…) read from the flow definition. Crews/agents inside a method keep streaming in the main panel via the existing crew/task/LLM handlers. - crew_run_tui.py: _run_flow_worker (flow.kickoff in a thread worker; reuses _on_crew_done/_on_crew_failed + _stringify_output), _is_flow_run gate so crew rendering is byte-identical, flow-event subscriptions building _flow_steps, and the STEPS sidebar + flow-aware header. - run_declarative_flow.py: is_interactive() branch → _run_declarative_flow_tui (EventListener, method-type map from flow._definition, crew-parity exit codes and deploy chaining) or the existing terminal path. Deviation from the approved plan: gate on is_interactive() rather than is_dmn_mode_enabled() alone, so non-TTY runs (CI/pipes/CliRunner) never launch a TUI — this also keeps existing headless flow tests green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01RBYGqJHC2TMC6fonFziuuh