infra(terraform): add EKS cluster, Elasticache Redis, and ECR modules for cloud deployment

eval: expand benchmark dataset from 6 to 15 fixtures covering race conditions, TOCTOU, async misuse, N+1, path traversal, insecure deserialization, and missing auth

eval: fix filename typo and add real-model eval suite gated by RUN_REAL_EVAL env var

feat: add integration tests, GitHub API mocking, and Locust load tests

feat: add evaluation framework with precision/recall metrics and model comparison

fix

fix