diff --git a/PLAN.md b/PLAN.md
index 127bc21..62c9b0f 100644
--- a/PLAN.md
+++ b/PLAN.md
@@ -644,10 +644,14 @@ audio-ui/
 - [ ] Bezier curves
 
 #### 9.3 Automation Playback
-- [ ] Real-time automation during playback
+- [x] Real-time automation during playback
+- [x] Automation for volume and pan
+- [x] Automation for effect parameters
+- [x] Continuous evaluation via requestAnimationFrame
+- [x] Proper parameter range conversion
 - [ ] Automation recording (write mode)
 - [x] Automation editing modes UI (read/write/touch/latch)
-- [ ] Automation modes implementation
+- [ ] Automation modes recording implementation (write/touch/latch)
 
 ### Phase 10: Analysis Tools