v0.8.3

Added

• Triage prompt caching: when verification is enabled, the draft call marks
  the shared prefix (system prompt + evidence pack) as an Anthropic
  prompt-cache breakpoint and the re-judge call reads it seconds later at
  ~0.10× input price — roughly a 40% input-cost cut on a typical verified
  incident with the default model. llm.response audit rows now carry
  cache_creation_input_tokens / cache_read_input_tokens, and a warning is
  logged when the re-judge call read no cached prefix (model floor not met, or
  prefix drift). With verification disabled, requests are byte-identical to
  before and nothing is cached.

Fixed

• Triage verification no longer lowers a finding's confidence over empty
  contrast-query results unless the query reused metric names and label keys
  confirmed present in the evidence; the verification-plan prompt now steers
  the model toward single-metric queries and away from cross-metric label
  joins that return empty regardless of ground truth.
• Evidence-pack metric snapshots: comparator series (those sharing only the
  incident's node/instance) are now ranked largest-value-first within each
  metric family and capped at 3 per family, so the LLM sees a true top-N of
  neighboring producers instead of an alphabetical slice; the incident's own
  member series are never capped.

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Full Changelog: v0.8.2...v0.8.3