Inkbound 1.5.1

Fixes every finding from the Obsidian community-plugin review.

• Review blocker fixed — MathJax SVG parsing no longer assigns
  function-parameter strings to innerHTML; it parses through DOMParser
  with an instanceof SVGSVGElement guard instead (same behavior, lint-clean).
• Code-masking sentinel — the math detector's code-region sentinel is now
  a private-use-area character instead of an ASCII control char, which the
  review's regex lint rejects.
• createEl shortcuts — createDiv()/createSpan() replace the
  createEl("div")/createEl("span") forms the review's lint prefers; the
  embed-flattening path drops its document fragment for multi-node
  replaceWith.
• Typed MathJax boundary — explicit casts over mathjax-full's
  loosely-typed adaptor surface (no more no-unsafe-assignment /
  no-unsafe-argument warnings).
• Settings action contract — the declarative "Test connection" action
  returns void as SettingDefinitionAction requires.
• The local-export harness installs the DOMParser/SVGSVGElement globals
  the new parsing path uses, so the harness keeps exercising real SVG
  parsing.

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Install manually by downloading the assets below into <vault>/.obsidian/plugins/inkbound/, then enable Inkbound in Settings → Community plugins.