Use canonical capability tags in repo classification (C-24)

sandbox -> platform, provision -> deployment, isolation -> control; add
lifecycle for sandbox lifecycle registration.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 253165@bnt-lap001
Assistant-Session: 816898b9-400d-4c62-bcaa-d9b40969e14b

.repo-classification.yaml

@@ -8,9 +8,10 @@ repo_classification:
   secondary_domains:
   - agents
   capability_tags:
-  - sandbox
-  - isolation
-  - provision
+  - platform
+  - deployment
+  - control
+  - lifecycle
   - execution
   - orchestration
   business_stake: