Patch release on 1.7.1:

  Three rules no longer fire on conceptual files where they don't apply:
    - MISSING_MODEL_SECTION (diagrams have no model: block by design)
    - INVALID_ENTITY_NAME PascalCase (concepts use human names)
    - DBT_ENTITY_NO_COLUMNS (concepts describe meaning, not rows)

  12 new ISSUE_GUIDANCE entries replace the templated 'blocks the model'
  copy with rule-specific Why and Fix lines.

  Per-finding Why/Fix is now inline (one line each) instead of two
  stacked boxed cards. 'How to read this' is a collapsible details
  element instead of a 3-card grid.

PR: #96