diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
new file mode 100644
index 00000000..07676401
--- /dev/null
+++ b/.gitea/workflows/ci.yml
@@ -0,0 +1,153 @@
+# GUARDiA ITSM — Gitea Actions CI/CD
+# 트리거: PR (feature → develop), Push (develop, main)
+# 목적: Python 문법 검사 + 임포트 테스트 + 설치 스크립트 검증
+
+name: GUARDiA CI
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+      - 'feature/**'
+  pull_request:
+    branches:
+      - main
+      - develop
+
+env:
+  PYTHON_VERSION: "3.11"
+
+jobs:
+
+  # ── 1. Python 코드 품질 검사 ─────────────────────────────────
+  lint-and-test:
+    name: Python Lint & Import Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Python ${{ env.PYTHON_VERSION }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Install dependencies
+        run: |
+          cd itsm
+          pip install --upgrade pip -q
+          pip install -r requirements.txt -q
+          pip install flake8 -q
+
+      - name: Flake8 (문법/스타일 검사)
+        run: |
+          cd itsm
+          # 오류만 체크 (경고는 무시) — E9xx, F4xx, F8xx만
+          flake8 . --count --select=E9,F401,F811,F821,F841 \
+            --exclude=__pycache__,.git,static \
+            --max-line-length=200 \
+            --statistics
+        continue-on-error: false
+
+      - name: 모듈 임포트 테스트
+        run: |
+          cd itsm
+          python -c "
+          import sys, os
+          sys.path.insert(0, '.')
+          os.chdir('.')
+
+          modules = [
+              'models', 'database',
+              'core.auth', 'core.license', 'core.oauth',
+              'core.auto_rca', 'core.deploy_impact',
+              'core.ticket_classifier', 'core.jira_sync',
+              'core.push_notify', 'core.scheduler',
+              'routers.tasks', 'routers.approvals',
+              'routers.messenger', 'routers.vuln_scan',
+              'routers.gateway', 'routers.license',
+              'routers.push', 'routers.incidents',
+              'routers.problem', 'routers.vibe',
+          ]
+          errors = []
+          for m in modules:
+              try:
+                  __import__(m)
+                  print(f'[OK] {m}')
+              except Exception as e:
+                  print(f'[ERR] {m}: {e}')
+                  errors.append(m)
+          if errors:
+              print(f'\\nFailed: {errors}')
+              sys.exit(1)
+          print('\\n모든 모듈 임포트 성공')
+          "
+
+      - name: FastAPI 앱 로드 테스트
+        run: |
+          cd itsm
+          python -c "
+          import sys, os
+          sys.path.insert(0, '.')
+          os.chdir('.')
+          from main import app
+          routes = [r.path for r in app.routes if hasattr(r, 'path')]
+          assert len(routes) > 100, f'라우트 수 부족: {len(routes)}'
+          print(f'FastAPI 앱 로드 성공 — {len(routes)}개 라우트')
+          "
+
+  # ── 2. 설치 스크립트 검증 ─────────────────────────────────────
+  validate-scripts:
+    name: Validate Install Scripts
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Bash 스크립트 구문 검사
+        run: |
+          echo "=== Bash 스크립트 구문 검사 ==="
+          FAIL=0
+          for f in setup/*.sh setup/lib/*.sh; do
+            bash -n "$f" && echo "[OK]  $f" || { echo "[ERR] $f"; FAIL=1; }
+          done
+          for f in itsm/cicd/scripts/**/*.sh; do
+            [ -f "$f" ] && { bash -n "$f" && echo "[OK]  $f" || { echo "[ERR] $f"; FAIL=1; }; }
+          done
+          [ $FAIL -eq 0 ] || exit 1
+
+      - name: Docker Compose YAML 검증
+        run: |
+          python3 -c "
+          import yaml
+          for f in ['docker-compose.yml', 'docker-compose.prod.yml']:
+              with open(f, encoding='utf-8') as fp:
+                  yaml.safe_load(fp)
+              print(f'[OK]  {f}')
+          "
+
+      - name: db_init.py 검증
+        run: |
+          python3 -c "
+          import ast
+          with open('itsm/tools/db_init.py', encoding='utf-8') as f:
+              ast.parse(f.read())
+          print('[OK]  itsm/tools/db_init.py')
+          "
+
+  # ── 3. PR 검증 요약 ──────────────────────────────────────────
+  pr-summary:
+    name: PR Validation Summary
+    runs-on: ubuntu-latest
+    needs: [lint-and-test, validate-scripts]
+    if: github.event_name == 'pull_request'
+    steps:
+      - name: PR 통과
+        run: |
+          echo "✅ PR 검증 통과"
+          echo "  - Python 코드 품질: 통과"
+          echo "  - 모듈 임포트: 통과"
+          echo "  - 설치 스크립트: 통과"
+          echo ""
+          echo "이제 리뷰어 승인을 받아 병합할 수 있습니다."
diff --git a/itsm/cicd/config/jenkins.yaml b/itsm/cicd/config/jenkins.yaml
index c8446dbe..09996204 100644
--- a/itsm/cicd/config/jenkins.yaml
+++ b/itsm/cicd/config/jenkins.yaml
@@ -79,6 +79,17 @@ jenkins:
             value: "/opt/apps"
           - key: "SCRIPTS_ROOT"
             value: "/var/lib/jenkins/scripts"
+          # Gitea 설정 (온프레미스 형상관리)
+          - key: "GITEA_BASE_URL"
+            value: "${GITEA_BASE_URL:-http://localhost:3000}"
+          - key: "GITEA_ORG"
+            value: "${GITEA_ORG:-guardia}"
+          - key: "GITEA_REPO"
+            value: "${GITEA_REPO:-GUARDiA}"
+          - key: "SCM_BRANCH_PROTECT_MAIN"
+            value: "true"
+          - key: "DEFAULT_BRANCH"
+            value: "main"
 
   # ── 빌드 실행기 설정 ─────────────────────────────────────────────────────
   numExecutors: 4
@@ -162,12 +173,27 @@ credentials:
               description: "SonarQube 분석 토큰"
               secret: "${SONAR_TOKEN}"
 
-          # Git 자격증명 (HTTPS)
+          # Gitea 자격증명 (온프레미스 Git 서버)
+          - usernamePassword:
+              scope: GLOBAL
+              id: "gitea-credentials"
+              description: "Gitea 저장소 자격증명 (http://localhost:3000)"
+              username: "${GITEA_ADMIN:-gitadmin}"
+              password: "${GITEA_ADMIN_PW:-Gitea@guardia!}"
+
+          # Gitea API 토큰 (웹훅 등록 + PR 상태 업데이트)
+          - string:
+              scope: GLOBAL
+              id: "gitea-api-token"
+              description: "Gitea Personal Access Token"
+              secret: "${GITEA_API_TOKEN}"
+
+          # Git 자격증명 (HTTPS - 하위 호환)
           - usernamePassword:
               scope: GLOBAL
               id: "git-credentials"
-              description: "Git 저장소 자격증명"
-              username: "${GIT_USERNAME}"
+              description: "Git 저장소 자격증명 (Gitea 사용 권장)"
+              username: "${GIT_USERNAME:-gitadmin}"
               password: "${GIT_PASSWORD}"
 
 # ── SonarQube 서버 설정 ───────────────────────────────────────────────────────
diff --git a/itsm/cicd/jenkins/Jenkinsfile.java-maven b/itsm/cicd/jenkins/Jenkinsfile.java-maven
index ede40219..3280eca4 100644
--- a/itsm/cicd/jenkins/Jenkinsfile.java-maven
+++ b/itsm/cicd/jenkins/Jenkinsfile.java-maven
@@ -34,8 +34,25 @@ pipeline {
     stages {
         stage('Checkout') {
             steps {
-                checkout scm
-                echo "✅ 체크아웃 완료: ${env.GIT_COMMIT?.take(8) ?: 'N/A'}"
+                // Gitea(온프레미스) → GitHub 순서로 SCM 폴백
+                script {
+                    def giteaUrl = "${env.GITEA_BASE_URL ?: 'http://localhost:3000'}/${env.GITEA_ORG ?: 'guardia'}/${env.GIT_REPO_NAME ?: 'GUARDiA'}.git"
+                    try {
+                        checkout([
+                            $class: 'GitSCM',
+                            branches: [[name: "*/${env.BRANCH_NAME ?: 'main'}"]],
+                            userRemoteConfigs: [[
+                                url: giteaUrl,
+                                credentialsId: 'gitea-credentials'
+                            ]],
+                            extensions: [[$class: 'CloneOption', depth: 1, noTags: false, shallow: true]]
+                        ])
+                        echo "✅ Gitea checkout: ${env.GIT_COMMIT?.take(8) ?: 'N/A'}"
+                    } catch (Exception e) {
+                        echo "⚠️ Gitea checkout 실패 — SCM 기본값 사용: ${e.message}"
+                        checkout scm
+                    }
+                }
             }
         }
 
diff --git a/itsm/cicd/scripts/install/jenkins_install.sh b/itsm/cicd/scripts/install/jenkins_install.sh
index 60dc10b7..3bbaf984 100644
--- a/itsm/cicd/scripts/install/jenkins_install.sh
+++ b/itsm/cicd/scripts/install/jenkins_install.sh
@@ -169,6 +169,28 @@ print_summary() {
 }
 
 # ── 메인 실행 ────────────────────────────────────────────────────────────────
+configure_gitea_webhook() {
+    log "=== Gitea 웹훅 자동 등록 ==="
+    local script_dir
+    script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+    local webhook_script="${script_dir}/../notify/gitea_webhook.sh"
+
+    if [[ -f "$webhook_script" ]]; then
+        # Gitea가 기동 중이면 웹훅 자동 등록
+        if curl -sf "${GITEA_BASE_URL:-http://localhost:3000}/api/v1/version" -o /dev/null 2>/dev/null; then
+            JENKINS_URL="${JENKINS_URL:-http://localhost:${JENKINS_PORT}}" \
+            bash "$webhook_script" \
+              && log "Gitea 웹훅 등록 완료" \
+              || warn "Gitea 웹훅 등록 실패 — 나중에 수동 실행: bash $webhook_script"
+        else
+            warn "Gitea 서비스 없음 — 웹훅 등록 건너뜀"
+            warn "Gitea 시작 후 실행: bash $webhook_script"
+        fi
+    else
+        warn "webhook 스크립트 없음: $webhook_script"
+    fi
+}
+
 main() {
     log "=== Jenkins 설치 시작 ==="
     detect_os
@@ -178,6 +200,7 @@ main() {
     configure_firewall
     configure_selinux
     prepare_directories
+    configure_gitea_webhook
     print_summary
     log "=== Jenkins 설치 완료 ==="
 }
diff --git a/itsm/cicd/scripts/install/jenkins_plugins.sh b/itsm/cicd/scripts/install/jenkins_plugins.sh
index 12dbc7a9..c69779c3 100644
--- a/itsm/cicd/scripts/install/jenkins_plugins.sh
+++ b/itsm/cicd/scripts/install/jenkins_plugins.sh
@@ -111,6 +111,10 @@ PLUGINS=(
     "audit-trail"                   # 감사 로그
     "matrix-auth"                   # Matrix Authorization
 
+    # ── Gitea 연동 (웹훅 트리거) ─────────────────────────
+    "generic-webhook-trigger"       # Gitea Push/PR 웹훅 수신
+    "gitea"                         # Gitea 전용 SCM 플러그인
+
     # ── 설정 관리 ─────────────────────────────────────
     "configuration-as-code"         # JCasC
     "configuration-as-code-support" # JCasC 지원
diff --git a/itsm/cicd/scripts/notify/gitea_webhook.sh b/itsm/cicd/scripts/notify/gitea_webhook.sh
new file mode 100644
index 00000000..81c42be8
--- /dev/null
+++ b/itsm/cicd/scripts/notify/gitea_webhook.sh
@@ -0,0 +1,121 @@
+#!/bin/bash
+# ==============================================================
+# Gitea 웹훅 자동 등록 스크립트
+# ==============================================================
+# Gitea 저장소에 Jenkins 빌드 트리거 웹훅을 등록합니다.
+# Gitea PR 이벤트 → Jenkins 파이프라인 자동 실행
+#
+# 사용법:
+#   bash cicd/scripts/notify/gitea_webhook.sh
+#   JENKINS_URL=http://jenkins:8080 bash gitea_webhook.sh
+# ==============================================================
+
+set -euo pipefail
+
+GITEA_BASE="${GITEA_BASE_URL:-http://localhost:3000}"
+GITEA_ORG="${GITEA_ORG:-guardia}"
+GITEA_REPO="${GITEA_REPO:-GUARDiA}"
+GITEA_ADMIN="${GITEA_ADMIN:-gitadmin}"
+GITEA_ADMIN_PW="${GITEA_ADMIN_PW:-Gitea@guardia!}"
+JENKINS_URL="${JENKINS_URL:-http://localhost:8080}"
+JENKINS_USER="${JENKINS_USER:-admin}"
+JENKINS_TOKEN="${JENKINS_TOKEN:-}"
+
+API="${GITEA_BASE}/api/v1"
+AUTH="Authorization: Basic $(echo -n "${GITEA_ADMIN}:${GITEA_ADMIN_PW}" | base64)"
+
+GREEN='\033[0;32m'; YELLOW='\033[1;33m'; NC='\033[0m'
+ok()   { echo -e "${GREEN}[OK]${NC}  $*"; }
+warn() { echo -e "${YELLOW}[WARN]${NC} $*"; }
+info() { echo -e "      $*"; }
+
+echo "=================================================="
+echo "  Gitea 웹훅 등록"
+echo "  저장소: ${GITEA_BASE}/${GITEA_ORG}/${GITEA_REPO}"
+echo "  Jenkins: ${JENKINS_URL}"
+echo "=================================================="
+
+# ── Jenkins Webhook URL ──────────────────────────────────────
+# Jenkins Generic Webhook Trigger 플러그인 활용
+WEBHOOK_TOKEN="${WEBHOOK_TOKEN:-guardia-jenkins-$(date +%s | md5sum | head -c 8)}"
+WEBHOOK_URL="${JENKINS_URL}/generic-webhook-trigger/invoke?token=${WEBHOOK_TOKEN}"
+
+# API 토큰이 있으면 Basic Auth 포함
+if [[ -n "$JENKINS_TOKEN" ]]; then
+  WEBHOOK_URL="${JENKINS_URL%/}/generic-webhook-trigger/invoke?token=${WEBHOOK_TOKEN}"
+fi
+
+# ── 기존 웹훅 삭제 (중복 방지) ──────────────────────────────
+info "기존 Jenkins 웹훅 정리..."
+EXISTING=$(curl -sf "$API/repos/${GITEA_ORG}/${GITEA_REPO}/hooks" \
+  -H "$AUTH" 2>/dev/null | python3 -c "
+import sys, json
+hooks = json.load(sys.stdin)
+ids = [str(h['id']) for h in hooks if 'jenkins' in str(h.get('config',{})).lower() or 'generic-webhook' in str(h.get('config',{})).lower()]
+print(' '.join(ids))
+" 2>/dev/null || echo "")
+
+for hook_id in $EXISTING; do
+  curl -sf -X DELETE "$API/repos/${GITEA_ORG}/${GITEA_REPO}/hooks/${hook_id}" \
+    -H "$AUTH" -o /dev/null 2>/dev/null
+  info "기존 웹훅 삭제: ID=$hook_id"
+done
+
+# ── 웹훅 등록 ────────────────────────────────────────────────
+info "Jenkins 웹훅 등록 중..."
+RESP=$(curl -sf -X POST "$API/repos/${GITEA_ORG}/${GITEA_REPO}/hooks" \
+  -H "$AUTH" -H "Content-Type: application/json" \
+  -d "{
+    \"type\":\"gitea\",
+    \"config\":{
+      \"url\":\"${WEBHOOK_URL}\",
+      \"content_type\":\"json\",
+      \"secret\":\"${WEBHOOK_TOKEN}\"
+    },
+    \"events\":[\"push\",\"pull_request\",\"pull_request_review\"],
+    \"active\":true,
+    \"branch_filter\":\"*\"
+  }" 2>/dev/null)
+
+HOOK_ID=$(echo "$RESP" | python3 -c "import sys,json; print(json.load(sys.stdin).get('id',''))" 2>/dev/null || echo "")
+if [[ -n "$HOOK_ID" ]]; then
+  ok "웹훅 등록 완료 (ID: $HOOK_ID)"
+else
+  warn "웹훅 등록 실패 — 수동 등록 필요"
+  info "  Gitea → 저장소 → Settings → Webhooks → Add Webhook"
+  info "  URL: $WEBHOOK_URL"
+fi
+
+# ── PR 이벤트 웹훅 설정 (PR 오픈 시 Jenkins 빌드) ────────────
+info "PR 이벤트 웹훅 등록..."
+PR_RESP=$(curl -sf -X POST "$API/repos/${GITEA_ORG}/${GITEA_REPO}/hooks" \
+  -H "$AUTH" -H "Content-Type: application/json" \
+  -d "{
+    \"type\":\"gitea\",
+    \"config\":{
+      \"url\":\"${JENKINS_URL}/job/guardia-pr/build?token=${WEBHOOK_TOKEN}\",
+      \"content_type\":\"json\"
+    },
+    \"events\":[\"pull_request\"],
+    \"active\":true
+  }" 2>/dev/null)
+
+PR_HOOK_ID=$(echo "$PR_RESP" | python3 -c "import sys,json; print(json.load(sys.stdin).get('id',''))" 2>/dev/null || echo "")
+[[ -n "$PR_HOOK_ID" ]] && ok "PR 트리거 웹훅 등록 (ID: $PR_HOOK_ID)" || warn "PR 웹훅 등록 실패"
+
+# ── develop → main PR 자동화 설명 ────────────────────────────
+echo ""
+echo "=================================================="
+ok "Gitea 웹훅 설정 완료!"
+echo ""
+info "=== CI/CD 트리거 흐름 ==="
+info "  1. 개발자가 feature/이름/기능 브랜치에 push"
+info "  2. Gitea 웹훅 → Jenkins Generic Webhook Trigger"
+info "  3. Jenkins가 해당 브랜치 빌드·테스트"
+info "  4. PR (feature → develop) 생성"
+info "  5. 리뷰어 승인 후 develop 자동 병합"
+info "  6. develop → main PR → 관리자 승인 → 운영 배포"
+echo ""
+info "웹훅 토큰: $WEBHOOK_TOKEN"
+info "Jenkins 웹훅 URL: $WEBHOOK_URL"
+echo "=================================================="