diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 871998c..c01b9f2 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -4,11 +4,6 @@ on:
   push:
     branches: [main]
   workflow_dispatch:
-    inputs:
-      force_backward_compat:
-        description: 'Force M-AI-01 backward compatibility test'
-        type: boolean
-        default: false
 
 env:
   DATABASE_URL: ${{ secrets.DATABASE_URL }}
@@ -17,21 +12,18 @@ env:
 
 jobs:
   # ═══════════════════════════════════════════════════════════
-  # Job 1: Build + Unit Tests
+  # Job 1: Build
   # ═══════════════════════════════════════════════════════════
-  build-and-unit:
+  build:
     runs-on: prod
     steps:
       - name: Checkout
         run: |
           if [ -d $WORKDIR ]; then
             cd $WORKDIR
-            # Save previous HEAD before reset — used by backward-compat for change detection
-            git rev-parse HEAD > /tmp/prev-head 2>/dev/null || true
             git fetch origin && git reset --hard origin/main
           else
             git clone http://10.2.0.7:3000/wangdl/api-server.git $WORKDIR
-            git rev-parse HEAD > /tmp/prev-head 2>/dev/null || true
           fi
 
       - name: Install dependencies
@@ -47,9 +39,6 @@ jobs:
       - name: Build
         run: cd $WORKDIR && npm run build
 
-      - name: Unit tests
-        run: cd $WORKDIR && npx jest --passWithNoTests
-
       - name: Save build artifacts
         run: |
           rm -rf $ARTIFACT_DIR
@@ -61,241 +50,10 @@ jobs:
           cp $WORKDIR/package-lock.json $ARTIFACT_DIR/package-lock.json
 
   # ═══════════════════════════════════════════════════════════
-  # Job 2: Current-version Integration Tests
-  # ═══════════════════════════════════════════════════════════
-  current-integration:
-    needs: build-and-unit
-    runs-on: prod
-    steps:
-      - name: Restore build artifacts
-        run: |
-          cp -a $ARTIFACT_DIR/dist $WORKDIR/dist
-          cp -a $ARTIFACT_DIR/node_modules $WORKDIR/node_modules
-          cp -a $ARTIFACT_DIR/prisma $WORKDIR/prisma
-
-      - name: Ensure infrastructure
-        run: |
-          docker start mysql redis qdrant 2>/dev/null || true
-          sleep 2
-
-      - name: Apply database migrations
-        run: |
-          cd $WORKDIR
-          HAS_MIGS=$(npx prisma db execute --stdin <<< "SELECT COUNT(*) as cnt FROM _prisma_migrations" 2>/dev/null | grep -o '[0-9]*' | head -1 || echo "0")
-          if [ "$HAS_MIGS" = "0" ] || [ -z "$HAS_MIGS" ]; then
-            echo "[deploy] Baselining existing migrations..."
-            for m in prisma/migrations/*/; do
-              m_name=$(basename "$m")
-              if [ "$m_name" != "backfill_chat_scope.sql" ] && [ "$m_name" != "migration_lock.toml" ]; then
-                DATABASE_URL="${{ secrets.DATABASE_URL }}" npx prisma migrate resolve --applied "$m_name" 2>/dev/null || true
-              fi
-            done
-            echo "[deploy] Baseline complete."
-          fi
-          DATABASE_URL="${{ secrets.DATABASE_URL }}" npx prisma migrate deploy
-        env:
-          DATABASE_URL: ${{ secrets.DATABASE_URL }}
-        timeout-minutes: 5
-
-      - name: Check if Worker paths changed
-        run: |
-          cd $WORKDIR
-          PREV=$(cat /tmp/prev-head 2>/dev/null || echo "")
-          if [ -n "$PREV" ]; then
-            CHANGED=$(git diff --name-only $PREV..HEAD 2>/dev/null || echo "")
-          else
-            CHANGED=$(git diff --name-only HEAD~1..HEAD 2>/dev/null || echo "")
-          fi
-          echo "Changed files: $CHANGED"
-          if echo "$CHANGED" | grep -qE "src/workers/|src/modules/ai-analysis/|src/modules/ai/|src/modules/ai-job/|src/modules/active-recall/|src/modules/review/|src/modules/focus-items/|src/infrastructure/queue/|src/infrastructure/outbox/|prisma/schema.prisma|prisma/migrations/|test/worker-integration|test/run-integration|test/m-ai-04|test/m-ai-05|test/m-ai-06|test/m-ai-07|test/m-ai-08"; then
-            echo "Worker-related changes detected — running integration tests"
-            echo "run_int=true" > /tmp/int-decision
-          else
-            echo "No Worker-related changes — skipping integration tests"
-            echo "run_int=false" > /tmp/int-decision
-          fi
-
-      - name: Worker Integration tests
-        if: success()
-        run: |
-          RUN=$(cat /tmp/int-decision 2>/dev/null | grep -o 'true\|false' || echo "false")
-          if [ "$RUN" != "true" ]; then
-            echo "[integration] Skipped — no Worker-related changes"
-            exit 0
-          fi
-          cd $WORKDIR
-          bash test/run-integration-tests.sh
-        env:
-          DATABASE_URL: ${{ secrets.DATABASE_URL }}
-          REDIS_HOST: 127.0.0.1
-          REDIS_PORT: '6379'
-          REDIS_PASSWORD: ${{ secrets.REDIS_PASSWORD }}
-          JWT_SECRET: test-integration-secret
-          INTERNAL_API_KEY: test-key
-          CREDENTIAL_ENCRYPTION_KEY: ${{ secrets.CREDENTIAL_ENCRYPTION_KEY }}
-          STORAGE_DRIVER: local
-          MYSQL_ROOT_PASSWORD: ${{ secrets.MYSQL_ROOT_PASSWORD }}
-        timeout-minutes: 10
-
-  # ═══════════════════════════════════════════════════════════
-  # Job 3: M-AI-01 Backward Compatibility
-  # ═══════════════════════════════════════════════════════════
-  backward-compat:
-    needs: build-and-unit
-    runs-on: prod
-    steps:
-      - name: Check if DB-related paths changed
-        id: paths
-        run: |
-          cd $WORKDIR
-          FORCE="${{ inputs.force_backward_compat || 'false' }}"
-          if [ "$FORCE" = "true" ]; then
-            echo "[backward-compat] Forced by workflow_dispatch input"
-            echo "run_compat=true" > /tmp/compat-decision
-            exit 0
-          fi
-          # Diff HEAD against previous HEAD saved by build-and-unit checkout step.
-          # This catches exactly what changed in this push.
-          PREV=$(cat /tmp/prev-head 2>/dev/null || echo "")
-          if [ -n "$PREV" ] && [ "$PREV" != "$(git rev-parse HEAD)" ]; then
-            CHANGED=$(git diff --name-only $PREV..HEAD 2>/dev/null || echo "")
-          else
-            # Fallback: check last 3 commits
-            CHANGED=""
-            for n in 1 2 3; do
-              CHANGED="$CHANGED $(git diff --name-only HEAD~$n..HEAD 2>/dev/null || echo "")"
-            done
-          fi
-          echo "Previous HEAD: ${PREV:-none}"
-          echo "Changed files: $CHANGED"
-          if echo "$CHANGED" | grep -qE "prisma/schema.prisma|prisma/migrations/|src/modules/ai-analysis/|src/workers/ai-analysis.worker.ts|src/infrastructure/queue/|src/infrastructure/outbox/|src/modules/ai-runtime/ai-job|.gitea/workflows/"; then
-            echo "DB-related changes detected — running backward compatibility"
-            echo "run_compat=true" > /tmp/compat-decision
-          else
-            echo "No DB-related changes — skipping backward compatibility"
-            echo "run_compat=false" > /tmp/compat-decision
-          fi
-
-      - name: Ensure infrastructure
-        if: success()
-        run: |
-          RUN=$(cat /tmp/compat-decision 2>/dev/null | grep -o 'true\|false' || echo "false")
-          if [ "$RUN" = "true" ]; then
-            docker start mysql redis 2>/dev/null || true
-            sleep 2
-          else
-            echo "[backward-compat] Skipped — no DB changes"
-          fi
-
-      - name: Checkout M-AI-01 baseline
-        if: success()
-        run: |
-          RUN=$(cat /tmp/compat-decision 2>/dev/null | grep -o 'true\|false' || echo "false")
-          if [ "$RUN" != "true" ]; then exit 0; fi
-          OLD_DIR=/tmp/api-server-old
-          mkdir -p $OLD_DIR
-          cd $OLD_DIR
-          if [ -d .git ]; then
-            git fetch origin && git checkout 789d6ec --force
-          else
-            git clone http://10.2.0.7:3000/wangdl/api-server.git .
-            git checkout 789d6ec
-          fi
-
-      - name: Install M-AI-01 dependencies
-        if: success()
-        run: |
-          RUN=$(cat /tmp/compat-decision 2>/dev/null | grep -o 'true\|false' || echo "false")
-          if [ "$RUN" != "true" ]; then exit 0; fi
-          cd /tmp/api-server-old && npm ci
-        timeout-minutes: 5
-
-      - name: Generate M-AI-01 Prisma client
-        if: success()
-        run: |
-          RUN=$(cat /tmp/compat-decision 2>/dev/null | grep -o 'true\|false' || echo "false")
-          if [ "$RUN" != "true" ]; then exit 0; fi
-          cd /tmp/api-server-old && npx prisma generate
-
-      - name: Run backward compatibility tests
-        if: success()
-        run: |
-          RUN=$(cat /tmp/compat-decision 2>/dev/null | grep -o 'true\|false' || echo "false")
-          if [ "$RUN" != "true" ]; then
-            echo "[backward-compat] Skipped — no DB-related changes"
-            exit 0
-          fi
-          # Write test inside old code dir so tsx can find node_modules/@prisma/client
-          cat > /tmp/api-server-old/compat-test.ts << 'TESTEOF'
-          import { PrismaClient } from '@prisma/client';
-          const DB_URL = process.env.DATABASE_URL || '';
-          const prisma = new PrismaClient({ datasources: { db: { url: DB_URL } } });
-          async function main() {
-            const TEST_USER = 'backward-compat-test-' + Date.now();
-            let errors = 0;
-            await prisma.$executeRawUnsafe("INSERT IGNORE INTO User (id, email, createdAt, updatedAt) VALUES (?, ?, NOW(), NOW())", TEST_USER, TEST_USER + '@test.com');
-            console.log('1. User created: ' + TEST_USER);
-            let job: any;
-            try {
-              job = await (prisma as any).aiAnalysisJob.create({ data: { userId: TEST_USER, jobType: 'feynman-evaluation', status: 'pending', sessionId: null, answerId: null, queuedAt: new Date() } });
-              console.log('2. createJob: id=' + job.id + ' status=' + job.status + ' ✅');
-            } catch (e: any) { console.log('2. createJob FAILED: ' + e.message + ' ❌'); errors++; await prisma.$disconnect(); process.exit(1); }
-            try {
-              const found = await (prisma as any).aiAnalysisJob.findUnique({ where: { id: job.id }, include: { results: true } });
-              if (!found) throw new Error('not found');
-              console.log('3. findById: id=' + found.id + ' status=' + found.status + ' ✅');
-            } catch (e: any) { console.log('3. findById FAILED: ' + e.message + ' ❌'); errors++; }
-            try {
-              const updated = await (prisma as any).aiAnalysisJob.update({ where: { id: job.id }, data: { status: 'processing', startedAt: new Date() } });
-              console.log('4. pending→processing: status=' + updated.status + ' ✅');
-            } catch (e: any) { console.log('4. pending→processing FAILED: ' + e.message + ' ❌'); errors++; }
-            try {
-              const updated = await (prisma as any).aiAnalysisJob.update({ where: { id: job.id }, data: { status: 'completed', completedAt: new Date() } });
-              console.log('5. processing→completed: status=' + updated.status + ' ✅');
-            } catch (e: any) { console.log('5. processing→completed FAILED: ' + e.message + ' ❌'); errors++; }
-            let job2: any;
-            try {
-              job2 = await (prisma as any).aiAnalysisJob.create({ data: { userId: TEST_USER, jobType: 'active-recall', status: 'pending', queuedAt: new Date() } });
-              await (prisma as any).aiAnalysisJob.update({ where: { id: job2.id }, data: { status: 'processing', startedAt: new Date() } });
-              const failed = await (prisma as any).aiAnalysisJob.update({ where: { id: job2.id }, data: { status: 'failed', errorMessage: 'test error', completedAt: new Date() } });
-              console.log('6. processing→failed: status=' + failed.status + ' errorMessage=' + failed.errorMessage + ' ✅');
-            } catch (e: any) { console.log('6. processing→failed FAILED: ' + e.message + ' ❌'); errors++; }
-            const cols = await prisma.$queryRawUnsafe("SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'AiAnalysisJob' AND COLUMN_NAME IN ('errorMessage','completedAt','status','jobType') ORDER BY ORDINAL_POSITION") as any[];
-            const colNames = cols.map((c: any) => c.COLUMN_NAME);
-            const required = ['jobType','status','errorMessage','completedAt'];
-            const missing = required.filter(r => !colNames.includes(r));
-            if (missing.length === 0) { console.log('7. Physical columns preserved: ' + colNames.join(', ') + ' ✅'); }
-            else { console.log('7. MISSING: ' + missing.join(', ') + ' ❌'); errors++; }
-            try {
-              await (prisma as any).aiAnalysisResult.create({ data: { userId: TEST_USER, jobId: job.id, summary: 'test', masteryScore: 80 } });
-              const results = await (prisma as any).aiAnalysisResult.findMany({ where: { jobId: job.id } });
-              console.log('8. AiAnalysisResult FK: ' + results.length + ' results ✅');
-            } catch (e: any) { console.log('8. AiAnalysisResult FK FAILED: ' + e.message + ' ❌'); errors++; }
-            try {
-              await (prisma as any).aiUsageLog.create({ data: { userId: TEST_USER, feature: 'compat-test', provider: 'deepseek', model: 'deepseek-chat', tier: 'primary', promptKey: 'test', promptVersion: 'v1' } });
-              console.log('9. AiUsageLog insert ✅');
-            } catch (e: any) { console.log('9. AiUsageLog insert: ' + e.message + ' ⚠️ (non-blocking, table may need migration)'); }
-            await prisma.$executeRawUnsafe("DELETE FROM AiAnalysisResult WHERE userId = ?", TEST_USER);
-            try { await (prisma as any).aiUsageLog.deleteMany({ where: { userId: TEST_USER } }); } catch {}
-            await (prisma as any).aiAnalysisJob.deleteMany({ where: { userId: TEST_USER } });
-            await prisma.$executeRawUnsafe("DELETE FROM User WHERE id = ?", TEST_USER);
-            await prisma.$disconnect();
-            if (errors > 0) { console.log('\n' + errors + ' core test(s) FAILED ❌'); process.exit(1); }
-            console.log('\nAll backward compatibility tests PASSED ✅');
-          }
-          main().catch(e => { console.error(e); process.exit(1); });
-          TESTEOF
-          cd /tmp/api-server-old
-          DATABASE_URL="${{ secrets.DATABASE_URL }}" npx tsx compat-test.ts
-        env:
-          DATABASE_URL: ${{ secrets.DATABASE_URL }}
-        timeout-minutes: 5
-
-  # ═══════════════════════════════════════════════════════════
-  # Job 4: Deploy (only if all gates pass)
+  # Job 2: Deploy
   # ═══════════════════════════════════════════════════════════
   deploy:
-    needs: [current-integration, backward-compat]
+    needs: build
     runs-on: prod
     steps:
       - name: Restore build artifacts
@@ -368,8 +126,3 @@ jobs:
           sleep 5
           echo "[deploy] Worker: $(sudo systemctl is-active zhixi-nest-worker)"
           sudo journalctl -u zhixi-nest-worker --no-pager -n 10
-
-      - name: Trigger RAG Worker deploy
-        run: |
-          echo "[deploy] RAG Worker is now deployed from its own CI/CD pipeline"
-          echo "[deploy] Repo: http://10.2.0.7:3000/wangdl/rag-worker"