diff --git a/desktop/src-tauri/src/intelligence/pain_aggregator.rs b/desktop/src-tauri/src/intelligence/pain_aggregator.rs
index 6b870fd..925fa75 100644
--- a/desktop/src-tauri/src/intelligence/pain_aggregator.rs
+++ b/desktop/src-tauri/src/intelligence/pain_aggregator.rs
@@ -118,6 +118,10 @@ pub struct PainAnalysisResult {
 
 /// Aggregates pain points across conversations, merging similar ones
 /// and escalating confidence as evidence accumulates.
+///
+/// TODO: Data is in-memory only (OnceLock + RwLock<Vec>). On app restart,
+/// all accumulated pain points and evidence are lost. Persist to SQLite
+/// (e.g. via zclaw-growth::SqliteStorage) for cross-session durability.
 pub struct PainAggregator {
     pain_points: Arc<RwLock<Vec<PainPoint>>>,
 }