profiling 2

Read-only performance diagnostics for DeepSeek Harness: session load (open/restore) timing, spill-hit counts, compaction count and trigger, context-injection volume (AGENTS.md/skills/tool-schema token share), and LLM cache hit rate — surfaced via the /fas

Answer-level timing breakdown for DSH: model thinking / first token / decode, per-tool cost, and everything else.