Fix critical ModuleNotFoundError by removing absolute cloud_sre_v2 imports

Final submission: add reward curve, Colab notebook, Adversarial Designer integration, updated docs

feat: Hybrid OS-level + HTTP fault injection (70B Killer v2)

feat: balanced 100 SFT demos + latency injection + reward normalization

fix: reduce warmup queue fill from 800 to 550 for solvability

feat: RLVE research overhaul + 6-service architecture

feat: CloudSRE v2 — complete environment with adaptive sampling