Add GitHub Actions CI/CD pipeline and test framework

- Add .github/workflows/build-test.yml for automated testing
- Add tests/ directory with TypeScript test runner
- Add docs/CICD.md documentation
- Remove .gitlab-ci.yml (migrated to GitHub Actions)
- Update .gitignore for test artifacts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

tests/testcases/inference/TC-INFERENCE-001.yml

@@ -0,0 +1,30 @@
+id: TC-INFERENCE-001
+name: Model Pull
+suite: inference
+priority: 1
+timeout: 600000
+
+dependencies:
+  - TC-RUNTIME-003
+
+steps:
+  - name: Check if model exists
+    command: docker exec ollama37 ollama list | grep -q "gemma3:4b" && echo "Model exists" || echo "Model not found"
+
+  - name: Pull model if needed
+    command: docker exec ollama37 ollama list | grep -q "gemma3:4b" || docker exec ollama37 ollama pull gemma3:4b
+    timeout: 600000
+
+  - name: Verify model available
+    command: docker exec ollama37 ollama list
+
+criteria: |
+  The gemma3:4b model should be available for inference.
+
+  Expected:
+  - Model is either already present or successfully downloaded
+  - "ollama list" shows gemma3:4b in the output
+  - No download errors
+
+  Accept if model already exists (skip download).
+  Model size is ~3GB, download may take time.