diff --git a/src/lib/postgres.mjs b/src/lib/postgres.mjs
index 53e565f..4f80e14 100644
--- a/src/lib/postgres.mjs
+++ b/src/lib/postgres.mjs
@@ -2579,6 +2579,28 @@ export async function runQuoteLifecycleRetentionMaintenance(pool, {
       windowEnd: rollupCutoff,
     });
 
+    // Prune raw quotes unconditionally — they are a debug firehose that must be
+    // pruned even when the rollup watermark is stale.  Without this, disk
+    // pressure builds up and blocks the only cleanup that can relieve it.
+    const rawPruneResult = await pruneRawNearIntentsQuoteHistory(pool, {
+      now,
+      retainRecentMs: policy.raw_retention_ms,
+      batchSize: Math.min(500_000, Math.floor(Number(policy.max_delete_rows_per_pass) || 0)),
+      maxBatches: 10,
+    });
+    pruneResult = {
+      ok: true,
+      mode: modeDecision.mode,
+      deletedCount: rawPruneResult.deletedCount,
+      detail_cutoff: detailCutoff,
+      raw_cutoff: rawPruneResult.cutoff,
+      tables: [{
+        table: 'raw_near_intents_quotes',
+        cutoff: rawPruneResult.cutoff,
+        deletedCount: rawPruneResult.deletedCount,
+      }],
+    };
+
     const watermark = await loadQuoteLifecycleRollupWatermark(pool);
     if (!watermark || timestampValue(watermark.covered_until) < timestampValue(rollupCutoff)) {
       mode = 'blocked_rollup_stale';
diff --git a/test/quote-lifecycle-retention.test.mjs b/test/quote-lifecycle-retention.test.mjs
index 61ff9d6..3259d79 100644
--- a/test/quote-lifecycle-retention.test.mjs
+++ b/test/quote-lifecycle-retention.test.mjs
@@ -337,7 +337,8 @@ test('retention maintenance bounds historical rollup catch-up and fails pruning
       if (sql.includes('quote_id IS NULL')) return { rows: [], rowCount: 0 };
       if (sql.includes('INSERT INTO quote_lifecycle_rollup_watermarks')) return { rows: [], rowCount: 1 };
       if (sql.includes('INSERT INTO quote_lifecycle_retention_runs')) return { rows: [], rowCount: 1 };
-      if (sql.includes('DELETE FROM')) throw new Error('prune must not run before watermark reaches cutoff');
+      if (sql.includes('DELETE FROM') && !sql.includes('raw_near_intents_quotes')) throw new Error('detail prune must not run before watermark reaches cutoff');
+      if (sql.includes('DELETE FROM') && sql.includes('raw_near_intents_quotes')) return { rows: [], rowCount: 0 };
       return { rows: [], rowCount: 0 };
     },
   };
@@ -356,5 +357,9 @@ test('retention maintenance bounds historical rollup catch-up and fails pruning
     '2026-06-05T00:00:00.000Z',
     '2026-06-05T04:00:00.000Z',
   ]);
-  assert.equal(queries.some((query) => query.sql.includes('DELETE FROM')), false);
+  // Raw quotes are pruned unconditionally; detail tables stay blocked until the watermark catches up.
+  const deleteQueries = queries.filter((query) => query.sql.includes('DELETE FROM'));
+  assert.equal(deleteQueries.length, 1);
+  assert.equal(deleteQueries[0].sql.includes('raw_near_intents_quotes'), true);
+  assert.equal(deleteQueries.some((query) => query.sql.includes('DELETE FROM') && !query.sql.includes('raw_near_intents_quotes')), false);
 });