Reclassify as tooling (CUST-WP-0050 T02)

Apply the new 'tooling' category (reusable internal tooling/infrastructure)
from the Repo Classification Standard. First-pass agent classification.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.repo-classification.yaml

@@ -0,0 +1,26 @@
+# Repo classification (Repo Classification Standard v1.0).
+# First-pass agent classification (CUST-WP-0050 T02) — pending human review.
+
+repo_classification:
+  standard: Repo Classification Standard
+  version: '1.0'
+  classified_at: '2026-06-22'
+  classified_by: agent
+  category: tooling
+  domain: agents
+  secondary_domains:
+  - infotech
+  capability_tags:
+  - orchestration
+  - model-routing
+  - configuration
+  - automation
+  business_stake:
+  - technology
+  - product
+  - automation
+  business_mechanics:
+  - operation
+  - adaptation
+  notes: Multi-provider LLM client library for Python (pluggable adapters / model routing).
+    Primary domain agents, infotech secondary.