yak(behavior-tests-blogex-public-api-and-router-plumbing-q1fb): behavior tests: blogex public API and router plumbing

blogex/mix.exs

@@ -56,18 +56,22 @@ defmodule Blogex.MixProject do
   # in blogex/). Rule: the threshold is a FLOOR. Raise it as behavior-test yaks
   # land; never lower it. A drop means the change (or an exclusion) is wrong.
   #
-  # Measured 2026-10-26, with the test scaffolding below excluded: 74.53% — the
+  # Measured 2026-10-28, with the test scaffolding below excluded: 78.59% — the
   # same via `mix test --cover` and via `mix test --cover --export-coverage
   # default` + `mix test.coverage`. Floor is the integer below that.
   #
-  # Excluded: the test scaffolding (Blogex.Test.*) only. Fixtures measure the
-  # tests, not the library. Everything in lib/blogex counts, and today's gaps
-  # are real: Blogex (the delegating facade), Blogex.Components and
-  # Blogex.Layout are at 0% because the router tests only exercise the JSON
-  # responses — moving this floor up is the behavior-test work.
+  # Excluded: the test scaffolding in `ignore_modules` below. The two registry
+  # blog doubles (Blogex.Test.AlphaBlog/BetaBlog) are deliberately not listed
+  # there: they are fully exercised, and excluding them measures 78.06% — the
+  # 78 floor holds either way.
+  #
+  # Everything in lib/blogex counts, and today's gaps are real:
+  # Blogex.Components and Blogex.Layout are at 0% because the router tests only
+  # exercise the JSON responses — covering the rendered HTML is its own yak.
+  # Blogex.Router (72.06%) still has its HTML arms and `match _` uncovered.
   defp test_coverage do
     [
-      summary: [threshold: 74],
+      summary: [threshold: 78],
       ignore_modules: [
         Blogex.Test.FakeBlog,
         Blogex.Test.PostBuilder,