diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0c78d5a..6c322a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@ name: CI
 
 on:
   push:
-    branches: [main, 'claude/**']
+    branches: [main]
   pull_request:
     branches: [main]
   workflow_call:
diff --git a/CLAUDE.md b/CLAUDE.md
index c9acd38..26c1663 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -146,7 +146,7 @@ A `Makefile` wraps all common tasks for tool-agnostic usage. Run `make help` to
 
 GitHub Actions with two workflows:
 
-**CI** (`.github/workflows/ci.yml`) — runs on push to `main`/`claude/**` and PRs to `main`:
+**CI** (`.github/workflows/ci.yml`) — runs on push to `main` and PRs to `main` (branch work is validated once via the PR event, avoiding duplicate push+PR runs):
 1. **Lint & Type Check** — `pnpm check`
 2. **Unit Tests** — `pnpm test:unit`
 3. **Build** — `pnpm build` (depends on steps 1+2)