From cbd3aaa1e001e889eac042d22558406ef4c09bb0 Mon Sep 17 00:00:00 2001
From: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Date: Fri, 5 Jun 2026 19:40:18 +1200
Subject: [PATCH] [ci] Add codecov.yml to enforce 100% patch coverage on PRs
 (#16827)

---
 codecov.yml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 codecov.yml

diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000000..f8afbbde04
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,18 @@
+coverage:
+  status:
+    patch:
+      default:
+        target: 100%
+        threshold: 0%
+    project:
+      default:
+        informational: true
+
+ignore:
+  - "esphome/components/**/*"
+  - "esphome/analyze_memory/**/*"
+  - "tests/integration/**/*"
+
+comment:
+  layout: "reach, diff, flags, files"
+  require_changes: true