feat: add narinfo comparison between inventory and buildstepoutputs

datasets/inventory-not-in-buildstepoutputs-2025-12-05-17:38:30Z.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1953cbfe848b9f633b61745351e597203c1ef48f57afdf04ed1d0e6192c2d5d9
+size 36328518

duckdb/inventory-not-in-buildstepoutputs.sql

@@ -0,0 +1,24 @@
+SET memory_limit = '64GB';
+SET threads = 16;
+SET preserve_insertion_order = false;
+SET temp_directory = '/tmp/duckdb';
+
+COPY (
+    WITH buildstep_hashes AS (
+        SELECT DISTINCT substring(split_part(path, '/', 4), 1, 32) AS hash
+        FROM 'datasets/buildstepoutputs-2025-12-05-17:38:30Z.csv'
+    ),
+    inventory_filtered AS (
+        SELECT
+            replace(key, '.narinfo', '') AS hash,
+            last_modified_date
+        FROM 'datasets/inventory-2026-01-06T01-13Z.parquet'
+        WHERE key LIKE '%.narinfo'
+          AND last_modified_date <= TIMESTAMP '2025-12-05 17:38:30Z'
+    )
+    SELECT i.hash, i.last_modified_date
+    FROM inventory_filtered i
+    LEFT JOIN buildstep_hashes b ON i.hash = b.hash
+    WHERE b.hash IS NULL
+    ORDER BY i.last_modified_date
+) TO 'datasets/inventory-not-in-buildstepoutputs-2025-12-05-17:38:30Z.parquet' (FORMAT PARQUET, COMPRESSION ZSTD);