Function bindTerraDrawSketch

Bind a terra-draw instance to an EditSketchWorkflowModel (REQ-001).

Every terra-draw finish event (freshly drawn features and select-mode edits: dragged features, dragged/inserted/deleted coordinates) maps the finishing mode to an EditSketchTool and applies the feature geometry through model.setSketchGeometry, so workflow undo/redo and validation cover terra-draw edits. Deleting the tracked feature stages a null geometry through the same undoable path.

The caller owns the terra-draw instance lifecycle (start/stop); the binding only attaches listeners and detaches them in remove().

const workflow = createEditSketchWorkflow({ source, sketchTools: terraDrawSketchToolCapabilities() });
const handle = bindTerraDrawSketch(draw, { model: workflow });
handle.setTool("polygon");        // draw.setMode("polygon") + workflow arming
// ... user draws; workflow.snapshot().sketch.geometry now tracks terra-draw
handle.undo();                    // workflow history, mirrored back into terra-draw
await workflow.submit();          // edit-session applyEdits path, unchanged
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