diff --git a/.gitignore b/.gitignore
index e480101..344874d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,8 @@ configs/examples/dash0_llm_10min_study_run[0-9]*.json
 configs/examples/dash0_smoke_study_run*.json
 infra/gpu_fleet/config/fleet.toml
 infra/gpu_fleet/config/jobs.toml
+# Raw Layer-1 telemetry streams (507 MB; decision-bearing JSON/log evidence stays tracked)
+runs/**/*.jsonl
+.ruff_cache/
+# Recovered dash1 interaction-run stores (100 MB raw tune logs, kept on disk only)
+recovered-stores/