diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 00000000..01999f63
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,4 @@
+# Auto-generated by `hivectl markdown-docs` — do not format.
+# The hivectl-docs CI check diffs this against fresh binary output,
+# so reformatting it would break that check.
+docs/tools/hivectl-cli.md
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 00000000..64182b10
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,3 @@
+{
+  "proseWrap": "preserve"
+}