diff --git a/.github/workflows/legacy-release.yml b/.github/workflows/legacy-release.yml
deleted file mode 100644
index 815d205f..00000000
--- a/.github/workflows/legacy-release.yml
+++ /dev/null
@@ -1,350 +0,0 @@
-name: Legacy Release (deprecated)
-
-# DEPRECATED: Replaced by release-prepare.yml and release-publish.yml
-# Kept as a fallback. Remove once new workflows are verified.
-on:
-  workflow_dispatch:
-    inputs:
-      bump_type:
-        description: 'Version bump type'
-        required: true
-        type: choice
-        options:
-          - patch
-          - minor
-          - major
-          - pre
-      changelog:
-        description: 'Custom changelog entry (optional - leave empty to auto-generate)'
-        required: false
-        type: string
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  prepare-release:
-    name: Prepare Release
-    runs-on: ubuntu-latest
-    outputs:
-      version: ${{ steps.bump.outputs.version }}
-
-    steps:
-      - name: Validate running from main
-        run: |
-          if [[ "${{ github.ref }}" != "refs/heads/main" ]]; then
-            echo "⚠️  WARNING: Running from ${{ github.ref }}"
-            echo "⚠️  Production releases should only run from main branch"
-          fi
-
-      - name: Checkout code
-        uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-
-      - name: Setup Python
-        uses: actions/setup-python@v6
-        with:
-          python-version: '3.10'
-
-      - name: Configure git
-        run: |
-          git config --global user.name "github-actions[bot]"
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
-
-      - name: Install uv
-        run: |
-          curl -LsSf https://astral.sh/uv/install.sh | sh
-          echo "$HOME/.local/bin" >> $GITHUB_PATH
-
-      - name: Get current version
-        id: current
-        run: |
-          VERSION=$(grep -m1 -oP '^version = "\K[^"]+' pyproject.toml)
-          echo "version=$VERSION" >> $GITHUB_OUTPUT
-          echo "Current version: $VERSION"
-
-      - name: Bump version
-        id: bump
-        env:
-          CHANGELOG_INPUT: ${{ github.event.inputs.changelog }}
-          BUMP_TYPE: ${{ github.event.inputs.bump_type }}
-        run: |
-          chmod +x scripts/bump_version.py
-
-          # If no custom changelog, provide guidance
-          if [ -z "$CHANGELOG_INPUT" ]; then
-            echo "ℹ️  No custom changelog provided. Will auto-generate from commits."
-            echo "💡 Tip: Provide a meaningful changelog message for better release notes"
-          fi
-
-          if [ -n "$CHANGELOG_INPUT" ]; then
-            python scripts/bump_version.py "$BUMP_TYPE" \
-              --changelog "$CHANGELOG_INPUT"
-          else
-            python scripts/bump_version.py "$BUMP_TYPE"
-          fi
-
-          uv lock --no-progress
-
-          NEW_VERSION=$(grep -m1 -oP '^version = "\K[^"]+' pyproject.toml)
-          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
-          echo "New version: $NEW_VERSION"
-
-      - name: Create release branch and PR
-        env:
-          NEW_VERSION: ${{ steps.bump.outputs.version }}
-        run: |
-          BRANCH_NAME="release/v$NEW_VERSION"
-
-          if git ls-remote --exit-code --heads origin $BRANCH_NAME; then
-            echo "⚠️  Branch $BRANCH_NAME already exists. Deleting it first..."
-            git push origin --delete $BRANCH_NAME
-          fi
-
-          if git show-ref --verify --quiet refs/heads/$BRANCH_NAME; then
-            git branch -D $BRANCH_NAME
-          fi
-
-          git checkout -b $BRANCH_NAME
-          git add -A
-          git commit -m "chore: bump version to $NEW_VERSION
-
-          Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>"
-
-          git push origin $BRANCH_NAME
-
-          COMMITTED_VERSION=$(git show HEAD:pyproject.toml | grep -m1 -oP '^version = "\K[^"]+')
-          if [ "$COMMITTED_VERSION" != "$NEW_VERSION" ]; then
-            echo "❌ ERROR: Version not committed correctly!"
-            exit 1
-          fi
-
-      - name: Create Pull Request
-        env:
-          GH_TOKEN: ${{ github.token }}
-          NEW_VERSION: ${{ steps.bump.outputs.version }}
-          GITHUB_REF: ${{ github.ref }}
-          GITHUB_ACTOR: ${{ github.actor }}
-        run: |
-          BRANCH_NAME="release/v$NEW_VERSION"
-
-          WARNING_TEXT=""
-          if [ "$GITHUB_REF" != "refs/heads/main" ]; then
-            WARNING_TEXT="**WARNING**: Not running from main branch!"
-          else
-            WARNING_TEXT="✅ Running from main branch"
-          fi
-
-          gh pr create \
-            --base main \
-            --head "$BRANCH_NAME" \
-            --title "Release v$NEW_VERSION" \
-            --body "## 🚀 Release v$NEW_VERSION
-
-          This PR was automatically created by the release workflow.
-
-          ### ⚠️  Pre-merge Checklist
-          - [ ] Review CHANGELOG.md - ensure it has meaningful release notes
-          - [ ] Verify version numbers are correct in all files
-          - [ ] All CI checks are passing
-
-          ### 📝 How to improve changelog
-          If the auto-generated changelog isn't good enough:
-          1. Edit CHANGELOG.md in this PR
-          2. Commit the changes
-          3. Then approve and merge
-
-          ### 🔄 Release Process
-          After merging this PR:
-          1. Package will be built and tested
-          2. **Manual approval required** before publishing to PyPI
-          3. GitHub release and tag created after PyPI publication
-
-          ### 🚨 Running from: $GITHUB_REF
-          $WARNING_TEXT
-
-          ---
-          *Triggered by @$GITHUB_ACTOR*"
-
-  test-and-build:
-    name: Test and Build
-    needs: prepare-release
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          ref: release/v${{ needs.prepare-release.outputs.version }}
-
-      - name: Verify version before build
-        env:
-          EXPECTED_VERSION: ${{ needs.prepare-release.outputs.version }}
-        run: |
-          ACTUAL_VERSION=$(grep -m1 -oP '^version = "\K[^"]+' pyproject.toml)
-
-          echo "Expected version: $EXPECTED_VERSION"
-          echo "Actual version: $ACTUAL_VERSION"
-
-          if [ "$ACTUAL_VERSION" != "$EXPECTED_VERSION" ]; then
-            echo "❌ ERROR: Version mismatch!"
-            exit 1
-          fi
-
-          echo "✓ Version verified: $ACTUAL_VERSION"
-
-      - name: Set up Python
-        uses: actions/setup-python@v6
-        with:
-          python-version: '3.10'
-
-      - name: Install uv
-        run: |
-          curl -LsSf https://astral.sh/uv/install.sh | sh
-          echo "$HOME/.local/bin" >> $GITHUB_PATH
-
-      - name: Setup build environment
-        run: |
-          uv venv
-          source .venv/bin/activate
-          uv pip install build twine
-
-      - name: Build and check package
-        run: |
-          source .venv/bin/activate
-          uv build
-          twine check dist/*
-
-          echo "=== Package contents ==="
-          python -m zipfile -l dist/*.whl | head -20
-
-      - name: Upload artifacts
-        uses: actions/upload-artifact@v7
-        with:
-          name: dist
-          path: dist/
-
-  release-approval:
-    name: Release Approval
-    needs: test-and-build
-    runs-on: ubuntu-latest
-    environment:
-      name: pypi-approval
-
-    steps:
-      - name: Approval checkpoint
-        run: |
-          echo "✅ Build and tests successful"
-          echo "📦 Package ready for PyPI publication"
-          echo ""
-          echo "⚠️  MANUAL APPROVAL REQUIRED FOR PRODUCTION"
-          echo ""
-          echo "Before approving:"
-          echo "1. Verify the PR has been merged to main"
-          echo "2. Check that version number is correct"
-          echo "3. Review the CHANGELOG.md entries"
-          echo "4. Ensure no duplicate version exists on PyPI"
-          echo ""
-          echo "🚨 Only approve if everything is correct!"
-
-  publish-pypi:
-    name: Publish to PyPI
-    needs: release-approval
-    runs-on: ubuntu-latest
-    # CRITICAL: Only run from main branch
-    if: github.ref == 'refs/heads/main'
-    environment:
-      name: pypi
-      url: https://pypi.org/project/bedrock-agentcore/
-
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-
-      - name: Download artifacts
-        uses: actions/download-artifact@v8
-        with:
-          name: dist
-          path: dist/
-
-      - name: Verify PyPI token exists
-        env:
-          PYPI_TOKEN_SET: ${{ secrets.PYPI_API_TOKEN != '' }}
-        run: |
-          if [ "$PYPI_TOKEN_SET" != "true" ]; then
-            echo "❌ ERROR: PYPI_API_TOKEN not configured!"
-            echo "Please add your PyPI API token to GitHub Secrets"
-            exit 1
-          fi
-          echo "✓ PyPI token is configured"
-
-      - name: Get version
-        id: version
-        run: |
-          VERSION=$(ls dist/*.whl | sed -n 's/.*-\([0-9.]*\)-.*/\1/p')
-          echo "version=$VERSION" >> $GITHUB_OUTPUT
-
-      - name: Check if version exists on PyPI
-        env:
-          VERSION: ${{ steps.version.outputs.version }}
-        run: |
-          # Check if version already exists on PyPI
-          if pip index versions bedrock-agentcore | grep -q "^Available versions.*$VERSION"; then
-            echo "❌ ERROR: Version $VERSION already exists on PyPI!"
-            echo "You cannot re-upload the same version number."
-            echo "Please bump the version and try again."
-            exit 1
-          fi
-
-          echo "✓ Version $VERSION is not on PyPI, safe to publish"
-
-      - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          password: ${{ secrets.PYPI_API_TOKEN }}
-          skip-existing: false
-          verbose: true
-
-      - name: Wait for PyPI availability
-        env:
-          VERSION: ${{ steps.version.outputs.version }}
-        run: |
-          echo "Waiting for package to be available on PyPI..."
-          for i in {1..10}; do
-            if pip index versions bedrock-agentcore | grep -q "$VERSION"; then
-              echo "✓ Package version $VERSION is now available on PyPI"
-              break
-            fi
-            echo "Attempt $i/10: Package not yet available, waiting 30s..."
-            sleep 30
-          done
-
-      - name: Create and push tag
-        env:
-          VERSION: ${{ steps.version.outputs.version }}
-        run: |
-          git config --global user.name "github-actions[bot]"
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
-          git tag -a "v$VERSION" -m "Release v$VERSION"
-          git push origin "v$VERSION"
-
-      - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
-        env:
-          VERSION: ${{ steps.version.outputs.version }}
-          GITHUB_REPOSITORY: ${{ github.repository }}
-        with:
-          tag_name: v${{ steps.version.outputs.version }}
-          name: Bedrock AgentCore SDK v${{ steps.version.outputs.version }}
-          files: dist/*
-          generate_release_notes: true
-          body: |
-            ## Installation
-            ```bash
-            pip install bedrock-agentcore==${{ steps.version.outputs.version }}
-            ```
-
-            ## What's Changed
-            See [CHANGELOG.md](https://github.com/${{ github.repository }}/blob/v${{ steps.version.outputs.version }}/CHANGELOG.md) for details.