Flow Tracer

Real-time execution trace viewer for the Visual Workflow Editor. See exactly what happened during a workflow run with millisecond-precision timing.

Opening the Flow Tracer

• Toggle the Flow Tracer button (Activity icon) in the Workflow Editor toolbar
• Opens automatically when a workflow starts executing
• Appears as a collapsible bottom panel in the Workflow Editor

What It Shows

Event Types

Event	Description
Node Start	A node began executing
Node Complete	A node finished — with success, error, or skipped status
Edge Traverse	Flow moved from one node to another
Variable Change	A variable was set or updated (shows old → new values)

Event Details

Each event row shows:

• Status icon — color-coded by result
• Node name — which node fired the event
• Type badge — event category
• Duration — relative timestamp (+Xms from workflow start)

Click any event to expand it and see:

• Full error messages (with copy button)
• Response body (formatted JSON)
• Variable snapshot at that point in execution

Statistics Bar

The header shows a live summary:

• Total duration — from first event to last
• Passed nodes — count of successful completions
• Failed nodes — count of errors
• Running indicator — animated while workflow is executing

Interactive Features

• Click a node event to select and center that node on the canvas
• Clear button to reset the trace log
• Auto-scroll follows the latest event during execution
• Resize by dragging the top edge of the panel