feat: enhance experiment designer action definitions, refactor trial analysis UI, and update video playback controls

src/server/services/trial-execution.ts

@@ -211,12 +211,6 @@ export class TrialExecutionEngine {
         })
         .where(eq(trials.id, trialId));
 
-      // Log trial start event
-      await this.logTrialEvent(trialId, "trial_started", {
-        wizardId: context.wizardId,
-        startTime: context.startTime.toISOString(),
-      });
-
       return {
         success: true,
         data: {
@@ -983,13 +977,6 @@ export class TrialExecutionEngine {
         })
         .where(eq(trials.id, trialId));
 
-      // Log completion
-      await this.logTrialEvent(trialId, "trial_completed", {
-        endTime: endTime.toISOString(),
-        duration,
-        totalSteps: this.stepDefinitions.get(trialId)?.length || 0,
-      });
-
       // Clean up
       this.activeTrials.delete(trialId);
       this.stepDefinitions.delete(trialId);