diff --git a/migrations/2026-05-27-000002_add_insight_generation_params/up.sql b/migrations/2026-05-27-000002_add_insight_generation_params/up.sql
index c44f568..1313fde 100644
--- a/migrations/2026-05-27-000002_add_insight_generation_params/up.sql
+++ b/migrations/2026-05-27-000002_add_insight_generation_params/up.sql
@@ -1,4 +1,4 @@
--- Persist generation parameters and token usage on each insight row.
+-- Persist generation parameters on each insight row for auditing.
 ALTER TABLE photo_insights ADD COLUMN num_ctx INTEGER;
 ALTER TABLE photo_insights ADD COLUMN temperature REAL;
 ALTER TABLE photo_insights ADD COLUMN top_p REAL;
@@ -6,5 +6,3 @@ ALTER TABLE photo_insights ADD COLUMN top_k INTEGER;
 ALTER TABLE photo_insights ADD COLUMN min_p REAL;
 ALTER TABLE photo_insights ADD COLUMN system_prompt TEXT;
 ALTER TABLE photo_insights ADD COLUMN persona_id TEXT;
-ALTER TABLE photo_insights ADD COLUMN prompt_eval_count INTEGER;
-ALTER TABLE photo_insights ADD COLUMN eval_count INTEGER;
diff --git a/migrations/2026-05-27-000003_add_insight_token_counts/down.sql b/migrations/2026-05-27-000003_add_insight_token_counts/down.sql
new file mode 100644
index 0000000..f680ad2
--- /dev/null
+++ b/migrations/2026-05-27-000003_add_insight_token_counts/down.sql
@@ -0,0 +1,13 @@
+-- SQLite doesn't support DROP COLUMN before 3.35.0; recreate the table
+-- without the token-count columns. This is only needed for rollback.
+CREATE TABLE photo_insights_old AS
+    SELECT id, library_id, rel_path, title, summary, generated_at,
+           model_version, is_current, training_messages, approved,
+           backend, fewshot_source_ids, content_hash,
+           num_ctx, temperature, top_p, top_k, min_p,
+           system_prompt, persona_id
+    FROM photo_insights;
+
+DROP TABLE photo_insights;
+
+ALTER TABLE photo_insights_old RENAME TO photo_insights;
diff --git a/migrations/2026-05-27-000003_add_insight_token_counts/up.sql b/migrations/2026-05-27-000003_add_insight_token_counts/up.sql
new file mode 100644
index 0000000..ce8890e
--- /dev/null
+++ b/migrations/2026-05-27-000003_add_insight_token_counts/up.sql
@@ -0,0 +1,6 @@
+-- Persist token usage on each insight row. Split from
+-- 2026-05-27-000002_add_insight_generation_params because that
+-- migration was already applied on some environments before these
+-- columns were added.
+ALTER TABLE photo_insights ADD COLUMN prompt_eval_count INTEGER;
+ALTER TABLE photo_insights ADD COLUMN eval_count INTEGER;