fix(seo): add publisher to BlogPosting, fix About schema type, remove redundant microdata

- Add logo to _config.yml so jekyll-seo-tag generates publisher field
- Override About page schema from WebSite to WebPage
- Remove itemscope/itemprop microdata from post layout (JSON-LD sufficient)

Author: calderbuild

_config.yml

@@ -9,6 +9,7 @@ author: "Calder"
 email: johnrobertdestiny@gmail.com
 
 # SEO
+logo: /img/og-image.png
 keywords: "Agent Developer, AI Agent, Multi-Agent Systems, Open Source, Hackathon"
 
 # Build

_layouts/post.html

@@ -2,18 +2,18 @@
 layout: default
 ---
 
-<article class="post" itemscope itemtype="http://schema.org/BlogPosting">
+<article class="post">
   <header class="post-header container container-narrow">
     <div class="post-meta">
-      <time datetime="{{ page.date | date_to_xmlschema }}" itemprop="datePublished">
+      <time datetime="{{ page.date | date_to_xmlschema }}">
         {{ page.date | date: "%B %d, %Y" }}
       </time>
       {% if page.author %}
       <span class="post-author"> &middot; {{ page.author }}</span>
       {% endif %}
     </div>
 
-    <h1 class="post-title" itemprop="headline">{{ page.title }}</h1>
+    <h1 class="post-title">{{ page.title }}</h1>
 
     {% if page.subtitle %}
     <p class="post-subtitle">{{ page.subtitle }}</p>
@@ -28,7 +28,7 @@ <h1 class="post-title" itemprop="headline">{{ page.title }}</h1>
     {% endif %}
   </header>
 
-  <div class="post-content container container-narrow" itemprop="articleBody">
+  <div class="post-content container container-narrow">
     {{ content }}
   </div>
 

about.md

@@ -3,6 +3,8 @@ layout: page
 title: About
 description: "Agent Developer building AI-driven MVPs and multi-agent systems. 1.6k+ GitHub stars."
 permalink: /about/
+seo:
+  type: WebPage
 ---
 
 <div class="about-avatar-section">