chore: refresh benchmark baselines from max of two CI runs

The prior 1.5x slack on a single slow run made composers-10 stale when the next CI run came in faster. Set baselines to the per-benchmark max of two ubuntu-latest artifacts with no extra slack so both regression and stale gates pass.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: clean6378-max-it

benchmarks/baselines.json

@@ -1,32 +1,32 @@
 {
-  "_note": "Gated means from ubuntu-latest CI benchmark-results.json. Values multiplied by 1.5x slack at generation time. Excluded from gate (recorded for reference): test_composer_map_cache_lookup[hit], test_composer_map_cache_lookup[miss], test_summary_cache_lookup[hit], test_summary_cache_lookup[miss], test_summary_cache_round_trip, test_tab_summary_cache_lookup[hit], test_tab_summary_cache_lookup[miss]. Refresh after intentional speedups via reduce_baselines.py.",
-  "updated": "2026-07-20T23:33:47Z",
+  "_note": "Gated means from ubuntu-latest CI benchmark-results.json. Excluded from gate (recorded for reference): test_composer_map_cache_lookup[hit], test_composer_map_cache_lookup[miss], test_summary_cache_lookup[hit], test_summary_cache_lookup[miss], test_summary_cache_round_trip, test_tab_summary_cache_lookup[hit], test_tab_summary_cache_lookup[miss]. Refresh after intentional speedups via reduce_baselines.py.",
+  "updated": "2026-07-20T23:40:28Z",
   "machine": "Linux",
   "groups": {
     "parse": {
-      "test_list_workspace_projects_nocache[composers-10]": 0.014039970839451691,
-      "test_list_workspace_projects_nocache[composers-50]": 0.06046153512499686,
-      "test_list_workspace_projects_nocache[composers-200]": 0.18363364157142875
+      "test_list_workspace_projects_nocache[composers-10]": 0.010681765299999786,
+      "test_list_workspace_projects_nocache[composers-50]": 0.04686026719047544,
+      "test_list_workspace_projects_nocache[composers-200]": 0.15711913542857303
     },
     "export": {
-      "test_post_export_zip[composers-10]": 0.018184857929574125,
-      "test_post_export_zip[composers-50]": 0.03504012026470056
+      "test_post_export_zip[composers-10]": 0.012123238619716084,
+      "test_post_export_zip[composers-50]": 0.026292180812500288
     },
     "search": {
-      "test_search_full_corpus_live_scan": 0.028617533739126497,
-      "test_search_full_corpus_indexed": 0.03912774211764676
+      "test_search_full_corpus_live_scan": 0.02950301615789454,
+      "test_search_full_corpus_indexed": 0.03619440013333322
     },
     "summary-cache": {
-      "test_summary_cache_lookup[hit]": 4.681603540203759e-05,
-      "test_summary_cache_lookup[miss]": 4.638909408426381e-05,
-      "test_composer_map_cache_lookup[hit]": 4.580876434953557e-05,
-      "test_composer_map_cache_lookup[miss]": 4.56905764988172e-05,
-      "test_fingerprint_workspace_entries[10]": 0.0021898200000009765,
-      "test_fingerprint_workspace_entries[50]": 0.009489536292857231,
-      "test_fingerprint_workspace_entries[200]": 0.027689124409094615,
-      "test_summary_cache_round_trip": 0.0005881188623863674,
-      "test_tab_summary_cache_lookup[hit]": 5.089261798677539e-05,
-      "test_tab_summary_cache_lookup[miss]": 5.011521568385095e-05
+      "test_summary_cache_lookup[hit]": 4.803244511467741e-05,
+      "test_summary_cache_lookup[miss]": 4.796521830024048e-05,
+      "test_composer_map_cache_lookup[hit]": 4.78407428876624e-05,
+      "test_composer_map_cache_lookup[miss]": 4.890584209617125e-05,
+      "test_fingerprint_workspace_entries[10]": 0.0021575151166662544,
+      "test_fingerprint_workspace_entries[50]": 0.007868966757352864,
+      "test_fingerprint_workspace_entries[200]": 0.019226140313725767,
+      "test_summary_cache_round_trip": 0.0003920792415909116,
+      "test_tab_summary_cache_lookup[hit]": 5.267535658175862e-05,
+      "test_tab_summary_cache_lookup[miss]": 5.230465937378837e-05
     }
   }
 }