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TUI: Ralph Control Integration

Overview

Integrate Ralph async control commands into flow-next-tui, allowing users to monitor and control Ralph runs from the terminal UI.

Depends on: fn-13-pxj (Ralph Async Control)

Scope

In scope:

• Display pause/stop state in run list and detail views
• Show completion_reason for finished runs
• Add keybindings for pause/resume/stop actions
• Real-time state updates (poll or watch sentinel files)

Out of scope:

• Task reset from TUI (use CLI for now)
• Multiple concurrent runs

Key Integration Points

From research (flow-next-tui codebase):

• src/lib/runs.ts — run discovery, isRunActive() at L162-185
• src/lib/types.ts — TaskStatus, need new RunState values
• Need to detect PAUSE/STOP sentinel files in run directories

Approach

1. Extend run state detection:

   • Add getRunControlState(runPath) → {paused: boolean, stopped: boolean, completion_reason?: string}
   • Update isRunActive() to account for completion marker

2. UI changes:

   • Run list: show [PAUSED] / [STOPPED] badges
   • Run detail: show control state + completion reason
   • Add keybindings: p pause, r resume, s stop

3. Actions:

   • Call flowctl ralph pause/resume/stop via subprocess
   • Refresh state after action

Quick Commands

# Dev server
cd flow-next-tui && bun dev

# Build
cd flow-next-tui && bun run build

Acceptance

• Run list shows pause/stop state badges
• Run detail shows completion_reason for finished runs
• Keybindings work for pause/resume/stop
• State updates after control actions
• Works with sentinel files from fn-13-pxj

References

• flow-next-tui/src/lib/runs.ts — run discovery
• flow-next-tui/src/lib/types.ts — type definitions
• fn-13-pxj spec — sentinel file locations and semantics