ci(gfql): polars coverage-baseline entry for search.py (L2 module)

dgx-measured 86.96% on the CI-verbatim CPU polars lane; floor 79.0 per the
baseline's ~8-below convention (also absorbs the wave-2 canonicalize/dtype-
gate lines, whose decline/parity branches are pinned in the matrix).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: lmeyerov

graphistry/tests/compute/gfql/coverage_baselines/ci-polars-py3.12.json

@@ -1,5 +1,5 @@
 {
-  "_note": "Per-file line-coverage floors for the native POLARS engine (profile gfql-polars, bin/test-polars.sh). COMPLETE list required (audit fails un-baselined target files). Floors set conservatively (~8% below dgx-measured; measured: chain 94.3 row_pipeline 87.9 predicates 91 projection 73.2 hop 95.1 hop_eager 98.3 degrees 90.7 dtypes 100 lazy/__init__ 98.6). pattern_apply 75.4 (2026-07-05, module split from row_pipeline). Raise as coverage grows.",
+  "_note": "Per-file line-coverage floors for the native POLARS engine (profile gfql-polars, bin/test-polars.sh). COMPLETE list required (audit fails un-baselined target files). Floors set conservatively (~8% below dgx-measured; measured: chain 94.3 row_pipeline 87.9 predicates 91 projection 73.2 hop 95.1 hop_eager 98.3 degrees 90.7 dtypes 100 lazy/__init__ 98.6). pattern_apply 75.4 (2026-07-05, module split from row_pipeline). search 87.0 (2026-07-05, L2). Raise as coverage grows.",
   "files": {
     "graphistry/compute/gfql/lazy/__init__.py": 90.0,
     "graphistry/compute/gfql/lazy/engine/__init__.py": 90.0,
@@ -12,6 +12,7 @@
     "graphistry/compute/gfql/lazy/engine/polars/pattern_apply.py": 67.0,
     "graphistry/compute/gfql/lazy/engine/polars/predicates.py": 83.0,
     "graphistry/compute/gfql/lazy/engine/polars/projection.py": 65.0,
-    "graphistry/compute/gfql/lazy/engine/polars/row_pipeline.py": 79.0
+    "graphistry/compute/gfql/lazy/engine/polars/row_pipeline.py": 79.0,
+    "graphistry/compute/gfql/lazy/engine/polars/search.py": 79.0
   }
 }