0.3.0

Added

• Semantic retrieval through Vault Retrieval's plugin API (optional). If the
  Vault Retrieval plugin (0.23.0 or newer)
  is installed and has indexed your vault, Koda now uses its embedding index:
  • search_notes adds meaning-based matches when the literal search comes up thin —
    fewer than three hits. Above that threshold nothing changes and no embedding request is
    made, so a well-worded search costs exactly what it did before.
  • Literal and semantic hits are shown as separate, labelled blocks, never merged into
    one ranking. Their scores are not comparable, and a literal hit proves a wording exists
    while a semantic one does not — Koda can tell the two apart when it answers.
  • A new related_notes tool answers "what else is about this?" straight from the index —
    offline, no embedding endpoint required, and available on mobile. It only appears when
    an index actually exists, so it never sits unusable in the prompt.
  • When the semantic side fails — no index, endpoint unreachable, note not indexed — Koda
    says so in plain words instead of quietly returning a thinner list.

Notes

• Nothing to configure, and nothing to lose. Without Vault Retrieval, Koda behaves
  exactly as it did in 0.2.1: one result list, no extra tool, no message about a capability
  you do not have. The coupling is deliberately soft — the API is looked up fresh on every
  call, checked for version and shape, and its absence is a normal state rather than an error.