diff --git a/src/sequencer/project-sequence-steps.ts b/src/sequencer/project-sequence-steps.ts
new file mode 100644
index 00000000..0391215c
--- /dev/null
+++ b/src/sequencer/project-sequence-steps.ts
@@ -0,0 +1,123 @@
+import {
+  cloneControlEffect,
+  type ControlEffect
+} from "../controls/control-surface";
+import {
+  getInteractionActionControlEffect,
+  type InteractionLink
+} from "../interactions/interaction-links";
+import type { ProjectScheduleRoutine } from "../scheduler/project-scheduler";
+
+export interface ControlSequenceStep {
+  type: "controlEffect";
+  effect: ControlEffect;
+}
+
+export interface StartDialogueSequenceStep {
+  type: "startDialogue";
+  dialogueId: string;
+}
+
+export interface TeleportPlayerSequenceStep {
+  type: "teleportPlayer";
+  targetEntityId: string;
+}
+
+export interface ToggleVisibilitySequenceStep {
+  type: "toggleVisibility";
+  targetBrushId: string;
+  visible?: boolean;
+}
+
+export type SequenceStep =
+  | ControlSequenceStep
+  | StartDialogueSequenceStep
+  | TeleportPlayerSequenceStep
+  | ToggleVisibilitySequenceStep;
+
+export function cloneSequenceStep(step: SequenceStep): SequenceStep {
+  switch (step.type) {
+    case "controlEffect":
+      return {
+        type: "controlEffect",
+        effect: cloneControlEffect(step.effect)
+      };
+    case "startDialogue":
+      return {
+        type: "startDialogue",
+        dialogueId: step.dialogueId
+      };
+    case "teleportPlayer":
+      return {
+        type: "teleportPlayer",
+        targetEntityId: step.targetEntityId
+      };
+    case "toggleVisibility":
+      return {
+        type: "toggleVisibility",
+        targetBrushId: step.targetBrushId,
+        visible: step.visible
+      };
+  }
+}
+
+export function cloneSequenceSteps(steps: SequenceStep[]): SequenceStep[] {
+  return steps.map(cloneSequenceStep);
+}
+
+export function getInteractionLinkSequenceSteps(
+  link: InteractionLink
+): SequenceStep[] {
+  const controlEffect = getInteractionActionControlEffect(link.action);
+
+  if (controlEffect !== null) {
+    return [
+      {
+        type: "controlEffect",
+        effect: controlEffect
+      }
+    ];
+  }
+
+  switch (link.action.type) {
+    case "teleportPlayer":
+      return [
+        {
+          type: "teleportPlayer",
+          targetEntityId: link.action.targetEntityId
+        }
+      ];
+    case "toggleVisibility":
+      return [
+        {
+          type: "toggleVisibility",
+          targetBrushId: link.action.targetBrushId,
+          visible: link.action.visible
+        }
+      ];
+    case "startDialogue":
+      return [
+        {
+          type: "startDialogue",
+          dialogueId: link.action.dialogueId
+        }
+      ];
+    case "playAnimation":
+    case "stopAnimation":
+    case "playSound":
+    case "stopSound":
+    case "control":
+      throw new Error(
+        `Interaction action ${link.action.type} should have normalized to a controlEffect sequence step.`
+      );
+  }
+}
+
+export function getProjectScheduleRoutineSequenceSteps(
+  routine: ProjectScheduleRoutine
+): SequenceStep[] {
+  return routine.effects.map((effect) => ({
+    type: "controlEffect" as const,
+    effect: cloneControlEffect(effect)
+  }));
+}