docs: update documentation to OKF v0.1 format

docs/database/blog-posts.md

@@ -3,7 +3,7 @@ type: database
 title: Blog Post Table
 description: blog_post table — draft/published Markdown posts surfaced on the public landing page.
 tags: [database, blog, markdown]
-timestamp: 2026-07-21T18:28:00Z
+timestamp: 2026-07-23T10:12:24Z
 ---
 
 # Schema
@@ -27,12 +27,18 @@ timestamp: 2026-07-21T18:28:00Z
 # Behavior
 
 * Only rows with `status = 'published'` are exposed through the public
-  endpoint `GET /api/v1/blog/posts` (see
-  [REST API Overview](/api/rest-overview.md)). Drafts are hidden.
+  endpoint `GET /api/v1/blog/posts` (see [Blog API](/api/blog.md)). Drafts
+  are hidden from the landing page and authenticated `/blog` page.
+* The admin CRUD endpoints under `/api/v1/admin/blog/posts` expose both
+  statuses and all timestamps to administrators.
+* First publication sets `published_at`. Later edits, demotion to draft,
+  and republication preserve that original timestamp.
 * `BlogService.listPublished()` orders by `published_at DESC`, falling
   back to `created_at` when `published_at` is null.
 
 # See also
 
 - [Database Schema Overview](/database/schema.md)
+- [Blog API](/api/blog.md)
+- [Blog Publishing and Reading](/guides/blog.md)
 - [Landing Page Guide](/guides/landing-page.md)