diff --git a/.github/workflows/deploy-stage.yml b/.github/workflows/deploy-stage.yml
new file mode 100644
index 00000000..4ca30ba1
--- /dev/null
+++ b/.github/workflows/deploy-stage.yml
@@ -0,0 +1,212 @@
+name: Stage Deployment
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  detect-changes:
+    name: Detect Changes
+    runs-on: ubuntu-latest
+    outputs:
+      web: ${{ steps.filter.outputs.web }}
+      admin: ${{ steps.filter.outputs.admin }}
+      shared: ${{ steps.filter.outputs.shared }}
+      root: ${{ steps.filter.outputs.root }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Check changed files
+        uses: dorny/paths-filter@v3
+        id: filter
+        with:
+          filters: |
+            web:
+              - 'apps/web/**'
+            admin:
+              - 'apps/admin/**'
+            shared:
+              - 'packages/**'
+            root:
+              - 'package.json'
+              - 'pnpm-lock.yaml'
+              - 'pnpm-workspace.yaml'
+              - 'turbo.json'
+              - '.github/workflows/**'
+
+  deploy-web-stage:
+    name: Deploy Web (Stage)
+    runs-on: ubuntu-latest
+    needs: detect-changes
+    if: needs.detect-changes.outputs.web == 'true' || needs.detect-changes.outputs.shared == 'true' || needs.detect-changes.outputs.root == 'true'
+    env:
+      VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
+      VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID_WEB_STAGE }}
+      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
+      TURBO_TEAM: ${{ secrets.TURBO_TEAM }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 9
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22.x"
+          cache: "pnpm"
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Install Vercel CLI
+        run: pnpm add --global vercel@latest
+
+      - name: Turbo cached build (web)
+        run: pnpm turbo run build --filter=@solid-connect/web
+
+      - name: Prepare Vercel project metadata (web)
+        run: |
+          rm -rf .vercel
+          mkdir -p .vercel-ci
+        working-directory: apps/web
+
+      - name: Pull Vercel environment (web stage)
+        run: vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_TOKEN }} 2>&1 | tee .vercel-ci/pull.log
+        working-directory: apps/web
+
+      - name: Build prebuilt artifacts (web stage)
+        run: vercel build --yes --target=preview --token=${{ secrets.VERCEL_TOKEN }} 2>&1 | tee .vercel-ci/build.log
+        working-directory: apps/web
+
+      - name: Verify prebuilt artifacts (web)
+        run: |
+          test -f .vercel/output/config.json
+          test -d .vercel/output/functions
+        working-directory: apps/web
+
+      - name: Deploy prebuilt artifacts (web stage)
+        id: deploy_web
+        run: |
+          set -euo pipefail
+          vercel deploy --prebuilt --target=preview --token=${{ secrets.VERCEL_TOKEN }} 2>&1 | tee .vercel-ci/deploy.log
+          URL=$(grep -Eo 'https://[^ ]+\.vercel\.app' .vercel-ci/deploy.log | head -n 1)
+          if [ -z "$URL" ]; then
+            echo "Failed to parse deployment URL from Vercel output" >&2
+            exit 1
+          fi
+          echo "url=$URL" >> "$GITHUB_OUTPUT"
+          {
+            echo "## Web Stage Deployment"
+            echo "- Status: success"
+            echo "- URL: $URL"
+          } >> "$GITHUB_STEP_SUMMARY"
+        working-directory: apps/web
+
+      - name: Append failure summary (web stage)
+        if: failure()
+        run: |
+          {
+            echo "## Web Stage Deployment Failed"
+            echo "- Inspect artifact: web-stage-vercel-logs"
+          } >> "$GITHUB_STEP_SUMMARY"
+
+      - name: Upload Vercel logs (web stage)
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: web-stage-vercel-logs
+          path: apps/web/.vercel-ci/*.log
+          if-no-files-found: ignore
+
+  deploy-admin-stage:
+    name: Deploy Admin (Stage)
+    runs-on: ubuntu-latest
+    needs: detect-changes
+    if: needs.detect-changes.outputs.admin == 'true' || needs.detect-changes.outputs.shared == 'true' || needs.detect-changes.outputs.root == 'true'
+    env:
+      VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
+      VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID_ADMIN_STAGE }}
+      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
+      TURBO_TEAM: ${{ secrets.TURBO_TEAM }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 9
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22.x"
+          cache: "pnpm"
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Install Vercel CLI
+        run: pnpm add --global vercel@latest
+
+      - name: Turbo cached build (admin)
+        run: pnpm turbo run build --filter=@solid-connect/admin
+
+      - name: Prepare Vercel project metadata (admin)
+        run: |
+          rm -rf .vercel
+          mkdir -p .vercel-ci
+        working-directory: apps/admin
+
+      - name: Pull Vercel environment (admin stage)
+        run: vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_TOKEN }} 2>&1 | tee .vercel-ci/pull.log
+        working-directory: apps/admin
+
+      - name: Build prebuilt artifacts (admin stage)
+        run: vercel build --yes --target=preview --token=${{ secrets.VERCEL_TOKEN }} 2>&1 | tee .vercel-ci/build.log
+        working-directory: apps/admin
+
+      - name: Verify prebuilt artifacts (admin)
+        run: |
+          test -f .vercel/output/config.json
+          test -d .vercel/output/functions
+        working-directory: apps/admin
+
+      - name: Deploy prebuilt artifacts (admin stage)
+        id: deploy_admin
+        run: |
+          set -euo pipefail
+          vercel deploy --prebuilt --target=preview --token=${{ secrets.VERCEL_TOKEN }} 2>&1 | tee .vercel-ci/deploy.log
+          URL=$(grep -Eo 'https://[^ ]+\.vercel\.app' .vercel-ci/deploy.log | head -n 1)
+          if [ -z "$URL" ]; then
+            echo "Failed to parse deployment URL from Vercel output" >&2
+            exit 1
+          fi
+          echo "url=$URL" >> "$GITHUB_OUTPUT"
+          {
+            echo "## Admin Stage Deployment"
+            echo "- Status: success"
+            echo "- URL: $URL"
+          } >> "$GITHUB_STEP_SUMMARY"
+        working-directory: apps/admin
+
+      - name: Append failure summary (admin stage)
+        if: failure()
+        run: |
+          {
+            echo "## Admin Stage Deployment Failed"
+            echo "- Inspect artifact: admin-stage-vercel-logs"
+          } >> "$GITHUB_STEP_SUMMARY"
+
+      - name: Upload Vercel logs (admin stage)
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: admin-stage-vercel-logs
+          path: apps/admin/.vercel-ci/*.log
+          if-no-files-found: ignore
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cdae4556..295a78b7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,13 +1,8 @@
-name: Build and Vercel Production Deployment
+name: Promote Main to Release
 
 permissions:
   contents: write
 
-env:
-  VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
-  VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
-  VERCEL_ENV: production
-
 on:
   workflow_dispatch:
 
@@ -25,8 +20,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+
       - name: Create Release
-        id: create_release
         uses: ncipollo/release-action@v1
         with:
           tag: "v${{ needs.generate_tag.outputs.version }}"
@@ -34,40 +29,63 @@ jobs:
           body: "Automated release created for build v${{ needs.generate_tag.outputs.version }}"
           token: ${{ secrets.GITHUB_TOKEN }}
 
-  deploy_production:
+  promote_release_branch:
+    name: Promote main -> release
     runs-on: ubuntu-latest
     needs: create_release
-    env:
-      VERSION_TAG: ${{ needs.generate_tag.outputs.version }}
     steps:
-      - uses: actions/checkout@v3
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v3
+      - name: Checkout repository
+        uses: actions/checkout@v4
         with:
-          version: 9
+          fetch-depth: 0
 
-      - name: Install Vercel CLI
-        run: pnpm add --global vercel@latest
+      - name: Promote main branch to release branch
+        run: |
+          set -euo pipefail
 
-      - name: Remove existing .vercel directory
-        run: rm -rf .vercel
+          git fetch origin main
+          git fetch origin release || true
 
-      - name: Pull Vercel Environment Information
-        run: vercel pull --yes --environment=${{ env.VERCEL_ENV }} --token=${{ secrets.VERCEL_TOKEN }}
+          MAIN_SHA=$(git rev-parse origin/main)
 
-      - name: Build Project Artifacts
-        run: |
-          vercel build \
-            --yes \
-            --target=${{ env.VERCEL_ENV }} \
-            --build-env NEXT_PUBLIC_WEB_URL=https://www.solid-connection.com \
-            --build-env NEXT_PUBLIC_API_SERVER_URL=https://api.solid-connection.com \
-            --build-env NEXT_PUBLIC_KAKAO_JS_KEY=b285223d3e57a6820552018b93805658 \
-            --token=${{ secrets.VERCEL_TOKEN }}
+          if git show-ref --verify --quiet refs/remotes/origin/release; then
+            RELEASE_SHA=$(git rev-parse origin/release)
+          else
+            RELEASE_SHA=""
+          fi
+
+          if [ -z "$RELEASE_SHA" ]; then
+            git push origin origin/main:refs/heads/release
+            {
+              echo "## Release Promotion"
+              echo "- Status: success (release branch created)"
+              echo "- Promoted main SHA: $MAIN_SHA"
+              echo "- Target branch: release"
+              echo "- Note: Vercel production deploy is triggered by release branch update"
+            } >> "$GITHUB_STEP_SUMMARY"
+            exit 0
+          fi
+
+          if [ "$MAIN_SHA" = "$RELEASE_SHA" ]; then
+            {
+              echo "## Release Promotion"
+              echo "- Status: skipped (release is already up to date)"
+              echo "- main: $MAIN_SHA"
+            } >> "$GITHUB_STEP_SUMMARY"
+            exit 0
+          fi
+
+          if ! git merge-base --is-ancestor origin/release origin/main; then
+            echo "release branch is not an ancestor of main. Resolve release history before promotion." >&2
+            exit 1
+          fi
 
-      - name: Deploy Project Artifacts to Vercel
-        run: vercel deploy --prebuilt --target=${{ env.VERCEL_ENV }} --token=${{ secrets.VERCEL_TOKEN }}
+          git push origin origin/main:refs/heads/release
 
-      - name: Output Tag Version
-        run: echo "Deployment completed for version $VERSION_TAG"
+          {
+            echo "## Release Promotion"
+            echo "- Status: success"
+            echo "- Promoted main SHA: $MAIN_SHA"
+            echo "- Target branch: release"
+            echo "- Note: Vercel production deploy is triggered by release branch update"
+          } >> "$GITHUB_STEP_SUMMARY"
diff --git a/turbo.json b/turbo.json
index f2f03b7e..49171f7d 100644
--- a/turbo.json
+++ b/turbo.json
@@ -4,7 +4,7 @@
   "tasks": {
     "build": {
       "dependsOn": ["^build"],
-      "outputs": ["dist/**", ".output/**"],
+      "outputs": ["dist/**", ".output/**", ".vercel/output/**"],
       "env": ["NODE_ENV", "NEXT_PUBLIC_*"]
     },
     "@solid-connect/web#build": {