diff --git a/.github/workflows/bump.yml b/.github/workflows/bump.yml
index 4862c97..96efa42 100644
--- a/.github/workflows/bump.yml
+++ b/.github/workflows/bump.yml
@@ -21,6 +21,8 @@ jobs:
       FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
     permissions:
       contents: write
+    outputs:
+      tag: ${{ steps.version.outputs.tag }}
     steps:
     - uses: actions/checkout@v6
       with:
@@ -48,3 +50,100 @@ jobs:
         git config user.email "github-actions[bot]@users.noreply.github.com"
         git tag ${{ steps.version.outputs.tag }}
         git push origin ${{ steps.version.outputs.tag }}
+
+  build:
+    name: Build (${{ matrix.os }}/${{ matrix.arch }})
+    runs-on: ubuntu-latest
+    needs: bump
+    env:
+      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+    strategy:
+      matrix:
+        os: [linux, darwin, windows]
+        arch: [amd64, arm64]
+    steps:
+    - uses: actions/checkout@v6
+      with:
+        ref: ${{ needs.bump.outputs.tag }}
+    - name: Set up Go
+      uses: actions/setup-go@v6
+      with:
+        go-version: '1.24'
+    - name: Build
+      run: |
+        GOOS=${{ matrix.os }}
+        GOARCH=${{ matrix.arch }}
+        BINARY_NAME=aperiodic
+        if [ "$GOOS" = "windows" ]; then BINARY_NAME=aperiodic.exe; fi
+        mkdir -p dist
+        GOARCH=$GOARCH GOOS=$GOOS go build -o dist/aperiodic-$GOOS-$GOARCH${BINARY_NAME#aperiodic} ./cmd/aperiodic
+    - name: Upload artifact
+      uses: actions/upload-artifact@v6
+      with:
+        name: aperiodic-${{ matrix.os }}-${{ matrix.arch }}
+        path: dist/
+
+  release:
+    name: Publish Release
+    runs-on: ubuntu-latest
+    needs: [bump, build]
+    env:
+      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+    permissions:
+      contents: write
+    steps:
+    - name: Download all artifacts
+      uses: actions/download-artifact@v8
+      with:
+        path: artifacts
+    - name: Prepare assets
+      run: |
+        mkdir -p release
+        cp artifacts/aperiodic-*/* release/
+        ls -l release/
+    # Immutable releases reject asset uploads after publication, so the assets
+    # have to be attached while the release is still a draft.
+    - name: Create draft release with assets
+      env:
+        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        TAG: ${{ needs.bump.outputs.tag }}
+      run: |
+        gh release create "$TAG" \
+          --repo "$GITHUB_REPOSITORY" \
+          --draft \
+          --title "$TAG" \
+          --generate-notes \
+          release/*
+    - name: Verify assets are attached
+      env:
+        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        TAG: ${{ needs.bump.outputs.tag }}
+      run: |
+        EXPECTED=$(find release/ -type f | wc -l | tr -d " ")
+        ACTUAL=$(gh release view "$TAG" --repo "$GITHUB_REPOSITORY" \
+          --json assets --jq '.assets | length')
+        echo "Expected $EXPECTED assets, found $ACTUAL"
+        if [ "$EXPECTED" -ne "$ACTUAL" ]; then
+          echo "::error::Draft release is missing assets; refusing to publish."
+          exit 1
+        fi
+    - name: Publish release
+      env:
+        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        TAG: ${{ needs.bump.outputs.tag }}
+      run: |
+        gh release edit "$TAG" --repo "$GITHUB_REPOSITORY" --draft=false
+
+  notify-failure:
+    name: 🚨 PagerDuty Alert
+    needs: [bump, build, release]
+    if: >-
+      always() &&
+      contains(join(needs.*.result, ','), 'failure')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send PagerDuty alert
+        uses: Entle/action-pagerduty-alert@1.0.5
+        with:
+          pagerduty-integration-key: '${{ secrets.PAGERDUTY_INTEGRATION_KEY }}'
+          pagerduty-dedup-key: aperiodic-cli-release-failure
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 95d9741..e6149ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,28 +57,3 @@ jobs:
       with:
         name: aperiodic-${{ matrix.os }}-${{ matrix.arch }}
         path: dist/
-
-  release:
-    name: Release
-    runs-on: ubuntu-latest
-    needs: build
-    if: startsWith(github.ref, 'refs/tags/v')
-    env:
-      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
-    permissions:
-      contents: write
-    steps:
-    - name: Download all artifacts
-      uses: actions/download-artifact@v8
-      with:
-        path: artifacts
-    - name: Prepare assets
-      run: |
-        mkdir -p release
-        cp artifacts/aperiodic-*/* release/
-    - name: Create Release
-      uses: softprops/action-gh-release@v2
-      with:
-        files: release/*
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/install.sh b/install.sh
index c89f4ed..a5aca56 100644
--- a/install.sh
+++ b/install.sh
@@ -36,15 +36,32 @@ else
     URL="https://github.com/$REPO/releases/download/$VERSION/aperiodic-$OS-$ARCH$EXT"
 fi
 
-INSTALL_DIR="/usr/local/bin"
+INSTALL_DIR="${INSTALL_DIR:-/usr/local/bin}"
 
 echo "Detected OS: $OS, Architecture: $ARCH"
 echo "Downloading Aperiodic CLI from $URL..."
 
 TMP_FILE=$(mktemp)
-if ! curl -L -o "$TMP_FILE" "$URL"; then
-    echo "Error: Failed to download binary. Please check the repository and version."
-    rm -f "$TMP_FILE"
+cleanup() { rm -f "$TMP_FILE"; }
+trap cleanup EXIT
+
+# -f makes curl exit non-zero on 404 instead of writing the error body to disk.
+if ! curl -fL -o "$TMP_FILE" "$URL"; then
+    echo "Error: Failed to download binary from $URL" >&2
+    echo "The release may not exist, or it may not have assets for $OS-$ARCH." >&2
+    echo "See https://github.com/$REPO/releases for available versions." >&2
+    exit 1
+fi
+
+# Guard against a truncated or non-binary download slipping through.
+if [ ! -s "$TMP_FILE" ]; then
+    echo "Error: Downloaded file is empty. Aborting." >&2
+    exit 1
+fi
+
+if head -c 1024 "$TMP_FILE" | LC_ALL=C grep -qi '<!doctype\|<html\|^Not Found'; then
+    echo "Error: Download did not return a binary (got an HTML or error page)." >&2
+    echo "URL: $URL" >&2
     exit 1
 fi
 
@@ -55,5 +72,6 @@ if [ -w "$INSTALL_DIR" ]; then
 else
     sudo mv "$TMP_FILE" "$INSTALL_DIR/$BINARY_NAME"
 fi
+trap - EXIT
 
 echo "Installation complete. Run 'aperiodic' to get started."