diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 393f9e500..1aa77a7b6 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -3,7 +3,7 @@ name: CD
 on:
   workflow_dispatch:
   push:
-    branches: [develop, master]
+    branches: [main, develop, master]
 
 concurrency:
   group: cd-${{ github.ref }}
@@ -21,7 +21,7 @@ jobs:
   pre-release:
     if: >-
       github.ref == 'refs/heads/develop'
-      || (github.event_name == 'workflow_dispatch' && github.ref != 'refs/heads/master')
+      || (github.event_name == 'workflow_dispatch' && github.ref != 'refs/heads/master' && github.ref != 'refs/heads/main')
     runs-on: ubuntu-latest
     outputs:
       tag: ${{ steps.tag.outputs.tag }}
@@ -98,7 +98,7 @@ jobs:
   # ═══════════════════════════════════════════════
 
   release-please:
-    if: github.ref == 'refs/heads/master' && github.event_name == 'push'
+    if: (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master') && github.event_name == 'push'
     runs-on: ubuntu-latest
     outputs:
       release_created: ${{ steps.release.outputs.release_created }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bfec8cd8a..0848f58db 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -202,6 +202,50 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Verify release assets
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAG: ${{ steps.version.outputs.version }}
+        run: |
+          set -e
+          required=(
+            rtk-x86_64-apple-darwin.tar.gz
+            rtk-aarch64-apple-darwin.tar.gz
+            rtk-x86_64-unknown-linux-musl.tar.gz
+            rtk-aarch64-unknown-linux-gnu.tar.gz
+            rtk-x86_64-pc-windows-msvc.zip
+            checksums.txt
+          )
+          assets=$(gh release view "$TAG" --repo "${{ github.repository }}" --json assets --jq '.assets[].name')
+          echo "Uploaded assets:"
+          echo "$assets"
+          missing=0
+          for name in "${required[@]}"; do
+            if ! echo "$assets" | grep -qx "$name"; then
+              echo "::error::Missing required asset: $name"
+              missing=1
+            fi
+          done
+          if [ "$missing" -ne 0 ]; then
+            echo "::error::Release $TAG is missing required assets — install.sh would 404"
+            exit 1
+          fi
+
+      - name: Smoke test release download
+        env:
+          TAG: ${{ steps.version.outputs.version }}
+        run: |
+          set -e
+          # Verify the freshly uploaded Linux binary is actually reachable and runs.
+          # We pin the tag (not /releases/latest) because prereleases and not-yet-promoted
+          # tags are invisible to that endpoint.
+          url="https://github.com/${{ github.repository }}/releases/download/${TAG}/rtk-x86_64-unknown-linux-musl.tar.gz"
+          echo "Downloading: $url"
+          tmp=$(mktemp -d)
+          curl -fsSL "$url" -o "$tmp/rtk.tar.gz"
+          tar -xzf "$tmp/rtk.tar.gz" -C "$tmp"
+          "$tmp/rtk" --version
+
   notify-discord:
     name: Notify Discord
     needs: [release]