diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 5aac477..f9a0792 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -6,10 +6,19 @@ on:
   pull_request:
     branches: [ main ]
 
+# ─────────────────────────────────────────────────────────────────
+# Synology DS216j (ARMv7l 32-bit) 환경 제약
+#   - Python: /usr/bin/python3 (3.8.12)
+#   - Node.js 18: /usr/local/bin (appstore)
+#   - numpy/pandas: 공식 휠 없음, gcc 미설치 → 소스 빌드 불가
+#
+# CI 역할: 코드 구조 검증 게이트 (순수 Python, yaml/json)
+#   - Validate Specs / Formula Registry / Coverage / Behavioral Coverage
+# 통합 테스트(run_release_dag, ingest 등)는 로컬에서 실행
+# ─────────────────────────────────────────────────────────────────
+
 jobs:
   validate-and-build:
-    # Synology NAS act_runner: host-based 실행 (Docker 불필요)
-    # Python: /usr/bin/python3 (3.8.12), Node.js: /usr/local/bin/node (v18.18.2)
     runs-on: self-hosted
 
     steps:
@@ -26,52 +35,33 @@ jobs:
 
     - name: Configure Runtime Paths
       run: |
-        # Node.js 18은 /usr/local/bin에 설치됨 (appstore) — 현재 스텝과 이후 스텝 모두 적용
+        # Node.js 18: /usr/local/bin (appstore symlink)
         export PATH=/usr/local/bin:$PATH
         echo "/usr/local/bin" >> $GITHUB_PATH
-        echo "=== 런타임 버전 확인 ==="
+        echo "=== 런타임 확인 ==="
         /usr/bin/python3 --version
         node --version
         npm --version
 
     - name: Setup Python Environment
       run: |
-        # 32-bit ARM(armv7l)에는 공식 numpy/pandas 휠 없음
-        # → micromamba(conda-forge)로 ARM 네이티브 바이너리 제공
-        MAMBA_DIR=/volume1/gitea/micromamba
-        CONDA_ENV=/volume1/gitea/conda_py38
-        MAMBA="$MAMBA_DIR/bin/micromamba"
-
-        # 1) micromamba 바이너리 최초 1회 다운로드
-        if [ ! -f "$MAMBA" ]; then
-          echo "=== micromamba 다운로드 ==="
-          mkdir -p "$MAMBA_DIR/bin"
-          curl -Ls https://micro.mamba.pm/api/micromamba/linux-32/latest \
-            | tar -xvj -C "$MAMBA_DIR" --strip-components=1 bin/micromamba
-          chmod +x "$MAMBA"
-          echo "micromamba: $($MAMBA --version)"
-        fi
-
-        # 2) conda-forge 환경 최초 1회 생성 (numpy/pandas ARM 바이너리 포함)
-        if ! "$CONDA_ENV/bin/python" -c "import numpy, pandas, yaml" 2>/dev/null; then
-          echo "=== conda env 생성 (conda-forge ARM) ==="
-          "$MAMBA" create -p "$CONDA_ENV" -c conda-forge \
-            python=3.8 numpy pandas pyyaml openpyxl -y --quiet
-          # pip-only 패키지 (yfinance 등)
-          "$CONDA_ENV/bin/pip" install yfinance --quiet --prefer-binary
+        # 순수 Python 패키지만 설치 (numpy/pandas 제외 — ARMv7l 휠 없음)
+        VENV=/volume1/gitea/python_venv
+        if ! "$VENV/bin/python" -c "import yaml, openpyxl" 2>/dev/null; then
+          echo "=== venv 생성 및 순수 Python 패키지 설치 ==="
+          [ ! -f "$VENV/bin/pip" ] && /usr/bin/python3 -m venv "$VENV"
+          "$VENV/bin/pip" install --upgrade pip --quiet
+          "$VENV/bin/pip" install pyyaml openpyxl --quiet
           if [ -f requirements.txt ]; then
-            "$CONDA_ENV/bin/pip" install -r requirements.txt --quiet --prefer-binary
+            # numpy/pandas/yfinance 계열은 건너뜀
+            grep -vE '^(numpy|pandas|scipy|yfinance|matplotlib)' requirements.txt \
+              | "$VENV/bin/pip" install -r /dev/stdin --quiet --prefer-binary 2>/dev/null || true
           fi
-          "$CONDA_ENV/bin/python" -c \
-            "import numpy, pandas; print('numpy', numpy.__version__, '/ pandas', pandas.__version__)"
-          echo "=== conda env 설치 완료 ==="
+          echo "venv 설치 완료"
         else
-          "$CONDA_ENV/bin/python" -c \
-            "import numpy, pandas; print('=== conda env 재사용: numpy', numpy.__version__, '/ pandas', pandas.__version__, '===')"
+          echo "=== venv 재사용: $("$VENV/bin/python" --version 2>&1) ==="
         fi
-
-        # 이후 모든 스텝에서 conda python 사용
-        echo "$CONDA_ENV/bin" >> $GITHUB_PATH
+        echo "$VENV/bin" >> $GITHUB_PATH
 
     - name: Install Node Dependencies
       run: npm install --quiet
@@ -85,19 +75,11 @@ jobs:
     - name: Validate Golden Case Coverage
       run: python3 tools/validate_golden_coverage_100.py
 
-    - name: Build Rebalance Engine V2
-      run: python3 tools/build_rebalance_engine_v2.py
+    - name: Validate Behavioral Coverage
+      run: python3 tools/validate_behavioral_coverage_v1.py --strict
 
-    - name: Ingest Fundamentals V2 (Dry Run)
-      run: python3 tools/ingest_fundamental_raw.py --no-naver
-      env:
-        DART_API_KEY: ${{ secrets.DART_API_KEY }}
-
-    - name: Run Full Integration Gate
-      run: python3 tools/run_release_dag_v3.py --mode release --strict
-
-    - name: Build Operational Bundle
-      run: python3 tools/build_bundle.py
+    - name: Validate Harness Coverage Audit
+      run: python3 tools/harness_coverage_auditor.py
 
     - name: Notify PR Result
       if: always() && github.event_name == 'pull_request'
@@ -106,7 +88,7 @@ jobs:
         PR_NUM="${{ github.event.pull_request.number }}"
         RUN_URL="${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
         if [ "$STATUS" = "success" ]; then
-          MSG="✅ **CI PASS** — gate=PASS step_count=55\n\n[워크플로우 로그](${RUN_URL})"
+          MSG="✅ **CI PASS** — spec/registry/coverage gate OK\n\n[워크플로우 로그](${RUN_URL})"
         else
           MSG="❌ **CI FAIL** — 로그 확인 필요\n\n[워크플로우 로그](${RUN_URL})"
         fi