Add blog post: speaker verification comes to OVOS

[JarbasAl]

Companion post for ovos-ww-verifier-plugin-speaker. Code-validated: HotWordVerifier framework (opm#341) + dinkum-listener loading (#191), voting semantics, TWO distinct fail-open behaviours (error vs enrolment), model-specific threshold with real score example, and the one-second wake-window reliability caveat. Preserves the original post's distinctive framing + attribution. No monetary values.

[coderabbitai]

📝 Walkthrough

Walkthrough

A new blog post is added at _posts/2026-06-16-speaker-verifier.md introducing the OVOS Wake Word Verifier Plugin for speaker verification. It covers the verification concept, privacy design using local speaker embeddings and cosine similarity, installation/enrollment steps, mycroft.conf configuration, threshold tuning, and project attribution.

Changes

OVOS Speaker Verifier Blog Post

Layer / File(s)	Summary
Front matter, concept narrative, and privacy design _posts/2026-06-16-speaker-verifier.md	Post metadata is defined; the article describes the false-activation problem, the wake-word gating framework, speaker-embedding verification flow, and privacy-by-design properties (local-only, non-reversible numeric embeddings, no audio retention).
Setup, configuration, tuning, and attribution _posts/2026-06-16-speaker-verifier.md	Installation and enrollment commands are shown alongside a mycroft.conf hotword/verifier configuration example; threshold tuning, per-profile thresholds, and fail_open semantics are explained; attribution, funding, and contribution prompts close the post.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐇 A voice at the gate, a cosine to weigh,
No strangers shall trick my assistant today!
I enrolled every hop in my household with care,
With embeddings so local, no cloud in the air.
"Help build voice for all!" cries the rabbit with glee,
One blog post at a time — open, private, and free! 🎙️

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Add blog post: speaker verification comes to OVOS' clearly and accurately summarizes the main change—adding a blog post announcing speaker verification capabilities for OpenVoiceOS.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch add-speaker-verifier-post

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