diff --git a/.github/workflows/branch-protection-sentinel.yml b/.github/workflows/branch-protection-sentinel.yml
index ceffcb8f3..a71441ab1 100644
--- a/.github/workflows/branch-protection-sentinel.yml
+++ b/.github/workflows/branch-protection-sentinel.yml
@@ -13,7 +13,7 @@ jobs:
     name: Verify push to main is from PR merge
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 672aec425..ac1ef14e1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,9 +17,9 @@ jobs:
     timeout-minutes: 3
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
 
@@ -37,12 +37,12 @@ jobs:
     name: Lint, Typecheck & Test
     runs-on: ubuntu-latest
     needs: smoke
-    timeout-minutes: 45
+    timeout-minutes: 75
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -163,8 +163,8 @@ jobs:
     runs-on: ubuntu-latest
     needs: quality
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -179,7 +179,7 @@ jobs:
         run: |
           npx vitest run --coverage --coverage.reporter=json --coverage.reporter=html
       - name: Upload Coverage Artifacts
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: full-coverage-report
           path: coverage/
@@ -190,8 +190,8 @@ jobs:
     runs-on: ubuntu-latest
     needs: quality
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -203,7 +203,7 @@ jobs:
         run: npm run test:e2e:critical
       - name: Upload E2E Report
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: playwright-report
           path: playwright-report/
@@ -217,9 +217,9 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -262,7 +262,7 @@ jobs:
 
       - name: Upload ref-warning console snapshot
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: console-snapshot-ref-${{ github.run_id }}
           path: |
@@ -277,9 +277,9 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -317,7 +317,7 @@ jobs:
 
       - name: Upload hook coverage artifact
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: hooks-coverage
           path: coverage/
@@ -330,9 +330,9 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -371,7 +371,7 @@ jobs:
 
       - name: Upload price-freshness coverage artifact
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: price-freshness-coverage
           path: coverage/
@@ -384,9 +384,9 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -399,7 +399,7 @@ jobs:
 
       - name: Upload cloud-status coverage artifact
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: cloud-status-coverage
           path: coverage/
@@ -412,14 +412,14 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
 
       - name: Setup Deno
-        uses: denoland/setup-deno@v2
+        uses: denoland/setup-deno@v1
         with:
           deno-version: v2.x
 
@@ -436,9 +436,9 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: npm
@@ -454,7 +454,7 @@ jobs:
 
       - name: Upload Theme Validation Report
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: theme-validation-report
           path: |
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a2c6a95af..e1715d7a0 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
diff --git a/.github/workflows/deploy-edge-functions.yml b/.github/workflows/deploy-edge-functions.yml
index 81098df8e..9a87d21ee 100644
--- a/.github/workflows/deploy-edge-functions.yml
+++ b/.github/workflows/deploy-edge-functions.yml
@@ -41,7 +41,7 @@ jobs:
       functions: ${{ steps.detect.outputs.functions }}
       count: ${{ steps.detect.outputs.count }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
       - name: Detect edge functions
         id: detect
@@ -93,7 +93,7 @@ jobs:
       matrix:
         fn: ${{ fromJSON(needs.list-functions.outputs.functions) }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
       - name: Setup Supabase CLI
         uses: supabase/setup-cli@v2
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index d203dd59d..11e36ba8a 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -36,9 +36,9 @@ jobs:
       E2E_ADMIN_EMAIL: ${{ secrets.E2E_ADMIN_EMAIL }}
       E2E_ADMIN_PASSWORD: ${{ secrets.E2E_ADMIN_PASSWORD }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
         with:
           node-version: "20"
           cache: "npm"
@@ -191,7 +191,7 @@ jobs:
 
       - name: Upload Playwright report
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: playwright-report
           path: playwright-report
@@ -199,7 +199,7 @@ jobs:
 
       - name: Upload smoke summary (markdown + json)
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: e2e-smoke-summary
           path: |
@@ -210,7 +210,7 @@ jobs:
 
       - name: Upload feature summary (markdown)
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: e2e-feature-summary
           path: playwright-report/feature-summary.md
@@ -219,7 +219,7 @@ jobs:
 
       - name: Upload evidence artifacts
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: e2e-evidence
           path: |
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 7a1801316..7155ffdb3 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/supabase/migrations/20250103_01_remove_gamification.sql b/supabase/migrations/20250103_01_remove_gamification.sql
index 64a2a3420..4cbd63897 100644
--- a/supabase/migrations/20250103_01_remove_gamification.sql
+++ b/supabase/migrations/20250103_01_remove_gamification.sql
@@ -22,19 +22,24 @@ DROP TABLE IF EXISTS public.user_points CASCADE;
 -- REMOVER FEATURE FLAG DE GAMIFICAÇÃO (SE EXISTIR)
 -- ============================================================
 
-DELETE FROM public.feature_flags 
-WHERE flag_name = 'enable_gamification';
+DO $$ BEGIN
+  DELETE FROM public.feature_flags WHERE flag_name = 'enable_gamification';
+EXCEPTION WHEN undefined_table THEN NULL;
+END $$;
 
 -- ============================================================
 -- REMOVER CONFIGURAÇÕES DE PONTOS (SE EXISTIREM)
 -- ============================================================
 
-DELETE FROM public.system_settings 
-WHERE setting_key IN (
-  'points_per_sale',
-  'points_per_quote',
-  'points_per_mockup'
-);
+DO $$ BEGIN
+  DELETE FROM public.system_settings
+  WHERE setting_key IN (
+    'points_per_sale',
+    'points_per_quote',
+    'points_per_mockup'
+  );
+EXCEPTION WHEN undefined_table THEN NULL;
+END $$;
 
 -- ============================================================
 -- VERIFICAÇÃO