Checkpoint V2 curated support navigator

Add curated corpus integration scaffold

Start v2 safety hardening

Add sliding window conversation memory - 3 turns, n_ctx 4096

Tighten SYSTEM_PROMPT with few-shot example, reduce max_tokens to 200, fix paragraph post-processor

Improve SYSTEM_PROMPT for conversational peer support - validate, reflect, one question

fix: guardrail dual-import path, bertscore key names, ragas reuse pipeline.llm (Day 14)

feat: wire real DeBERTa guardrail, fix smoke test for crisis intercepts

Add pipeline orchestrator + smoke test — 4/5 emotion predictions correct (Day 12)