feat(rpa): RPA 엔진 개선 — 스키마 필터링·라우터 스캔·영속 저장·크론 연동

[개선 내용]
1. 스키마 필터링: Out/Response/Data 제외 → Create/Update/In만 학습
   - 140개 스키마 → 73개 입력 스키마, 1357개 → 672개 규칙 (노이즈 제거)
2. 라우터 자동 스캔: routers/*.py AST 파싱 → 엔드포인트-스키마 정확 매핑
3. 영속 저장: rpa_rules.json → 서비스 재시작 시 자동 복구
4. 서비스 시작 자동 학습: 규칙 파일 없을 때 즉시 학습
5. APScheduler 연동: schedule(cron) 설정 시 자동 크론 등록/해제
6. /api/rpa/status: 시스템 현황 요약 엔드포인트 추가
7. /api/rpa/validations/schemas: 스키마별 필드 수 조회
8. /api/rpa/tasks/{id}/toggle: 작업 활성/비활성 토글

[테스트 결과 - 전체 통과]
- T1 RPA 상태: 73 endpoints, 672 rules, 자동 학습 확인
- T4 dry_run 정상: validation_errors=[] ✓
- T5 오류 감지: 4개 오류 정확 (title 필수·enum 2개·requested_by 필수)
- T6 작업 등록: APScheduler 크론 등록 포함
- T7 등록 작업 실행: DRY_RUN_OK ✓
- T8 이력 조회: status 필터 정상

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

core/rpa_engine.py

@@ -1,218 +1,370 @@
 """
-RPA Engine — 소스 기반 Validation 학습 + 자동화 실행
+RPA Engine — 소스 기반 Validation 학습 + 자동화 실행 + 크론 스케줄러 연동
 """
 from __future__ import annotations
 
 import ast
-import inspect
-import importlib
+import json
 import re
 from datetime import datetime
 from pathlib import Path
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict, List, Optional, Tuple
 
 import httpx
-from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy import select, delete
 
 BASE_DIR = Path(__file__).resolve().parent.parent   # itsm/
+RULES_FILE = BASE_DIR / "rpa_rules.json"            # 학습 규칙 영속 파일
+
+# 학습 대상 스키마: Create/Update/In/Request 접미사만 허용
+_INPUT_SUFFIXES = ("Create", "Update", "In", "Request", "Input", "Patch")
+# 제외 접미사
+_SKIP_SUFFIXES  = ("Out", "Response", "Data", "Result", "Info", "Config",
+                   "Filter", "Query", "Report", "Summary", "Status")
+
+
+# ── Enum 매핑 ────────────────────────────────────────────────────────────────
+
+ENUM_MAP: Dict[str, List[str]] = {
+    "SRType":          ["DEPLOY", "RESTART", "LOG", "INQUIRY", "OTHER"],
+    "SRStatus":        ["RECEIVED","PARSED","PENDING_APPROVAL","APPROVED",
+                        "IN_PROGRESS","PENDING_PM_VALIDATION","COMPLETED",
+                        "FAILED_ROLLBACK","REJECTED"],
+    "Priority":        ["CRITICAL", "HIGH", "MEDIUM", "LOW"],
+    "ApprovalResult":  ["PENDING", "APPROVED", "REJECTED"],
+    "Severity":        ["CRITICAL", "HIGH", "MEDIUM", "LOW", "INFO"],
+    "ChangeType":      ["STANDARD", "NORMAL", "EMERGENCY"],
+    "ChangeStatus":    ["DRAFT", "SUBMITTED", "APPROVED", "REJECTED",
+                        "IN_PROGRESS", "COMPLETED", "CANCELLED"],
+    "ProblemStatus":   ["OPEN", "IN_ANALYSIS", "KNOWN_ERROR", "RESOLVED", "CLOSED"],
+    "NetworkDeviceType": ["SWITCH", "ROUTER", "FIREWALL", "LOAD_BALANCER", "OTHER"],
+    "DRStatus":        ["STANDBY", "ACTIVE", "TESTING", "FAILED"],
+    "RiskLevel":       ["CRITICAL", "HIGH", "MEDIUM", "LOW"],
+}
 
 
 # ── Validation 학습 ─────────────────────────────────────────────────────────
 
 class ValidationLearner:
-    """프로젝트 소스(models.py)를 AST 파싱하여 Pydantic 스키마 validation 규칙 추출."""
+    """
+    models.py AST 파싱 + routers/ 스캔으로 Pydantic 입력 스키마 validation 규칙 추출.
+    결과는 rpa_rules.json에 영속 저장.
+    """
 
-    ENUM_MAP: Dict[str, List[str]] = {
-        "SRType":        ["DEPLOY", "RESTART", "LOG", "INQUIRY", "OTHER"],
-        "SRStatus":      ["RECEIVED","PARSED","PENDING_APPROVAL","APPROVED",
-                          "IN_PROGRESS","PENDING_PM_VALIDATION","COMPLETED",
-                          "FAILED_ROLLBACK","REJECTED"],
-        "Priority":      ["CRITICAL", "HIGH", "MEDIUM", "LOW"],
-        "ApprovalResult":["PENDING", "APPROVED", "REJECTED"],
-    }
-
-    # 엔드포인트 → 스키마 매핑 (routers/ 분석으로 자동 보완)
-    ENDPOINT_SCHEMA: Dict[str, str] = {
-        "POST /api/tasks":           "SRCreate",
-        "PATCH /api/tasks/status":   "SRStatusUpdate",
-        "POST /api/approvals":       "ApprovalCreate",
-        "POST /api/institutions":    "InstitutionCreate",
-        "PUT /api/institutions":     "InstitutionCreate",
-        "POST /api/servers":         "ServerCreate",
-        "POST /api/incidents":       "IncidentCreate",
-        "POST /api/change":          "RFCCreate",
-        "POST /api/problems":        "ProblemCreate",
-        "POST /api/catalog":         "ServiceCatalogCreate",
+    # 수동 엔드포인트 → 스키마 매핑 (자동 스캔으로도 보완됨)
+    _MANUAL_MAP: Dict[str, str] = {
+        "POST /api/tasks":              "SRCreate",
+        "PATCH /api/tasks/status":      "SRStatusUpdate",
+        "POST /api/approvals":          "ApprovalCreate",
+        "POST /api/institutions":       "InstitutionCreate",
+        "PUT /api/institutions/{id}":   "InstitutionUpdate",
+        "POST /api/servers":            "ServerCreate",
+        "POST /api/incidents":          "IncidentCreate",
+        "POST /api/change":             "RFCCreate",
+        "POST /api/problems":           "ProblemCreate",
+        "POST /api/catalog":            "ServiceCatalogCreate",
+        "POST /api/kb":                 "KBDocumentCreate",
+        "POST /api/shell-scripts":      "ShellScriptCreate",
+        "POST /api/ssh/exec":           "SSHExecRequest",
     }
 
     def learn_from_source(self) -> Dict[str, Any]:
-        """models.py AST 파싱으로 validation 규칙 추출."""
-        models_path = BASE_DIR / "models.py"
-        source = models_path.read_text(encoding="utf-8")
-        tree = ast.parse(source)
+        """
+        1) models.py AST 파싱 → 입력 스키마만 추출
+        2) routers/ 스캔 → 엔드포인트-스키마 매핑 자동 보완
+        3) 결과를 rpa_rules.json에 저장
+        """
+        # Step 1: 스키마 추출
+        schemas = self._parse_models()
 
+        # Step 2: 라우터 스캔으로 엔드포인트 매핑 자동 보완
+        router_map = self._scan_routers()
+        ep_map = {**self._invert_manual(), **router_map}  # router 스캔 우선
+
+        # Step 3: 규칙 생성
         rules: List[Dict] = []
-        schemas_found: List[str] = []
+        for class_name, fields in schemas.items():
+            endpoint = ep_map.get(class_name, self._infer_endpoint(class_name))
+            for field in fields:
+                field["endpoint"] = endpoint
+                rules.append(field)
+
+        # Step 4: 영속 저장
+        payload = {
+            "learned_at": datetime.now().isoformat(),
+            "schema_count": len(schemas),
+            "rule_count": len(rules),
+            "rules": rules,
+        }
+        RULES_FILE.write_text(json.dumps(payload, ensure_ascii=False, indent=2), encoding="utf-8")
+
+        return {
+            "rules": rules,
+            "schemas": list(schemas.keys()),
+            "endpoint_count": len(set(r["endpoint"] for r in rules)),
+        }
+
+    def _parse_models(self) -> Dict[str, List[Dict]]:
+        """models.py에서 입력 스키마 클래스만 파싱."""
+        src = (BASE_DIR / "models.py").read_text(encoding="utf-8")
+        tree = ast.parse(src)
+        schemas: Dict[str, List[Dict]] = {}
 
         for node in ast.walk(tree):
             if not isinstance(node, ast.ClassDef):
                 continue
-            # BaseModel 상속 클래스만
             bases = [getattr(b, "id", "") for b in node.bases]
             if "BaseModel" not in bases:
                 continue
 
-            class_name = node.name
-            schemas_found.append(class_name)
-
-            # 엔드포인트 찾기
-            endpoint = self._find_endpoint(class_name)
+            name = node.name
+            # Out/Response 등 제외
+            if any(name.endswith(s) for s in _SKIP_SUFFIXES):
+                continue
+            # Create/Update 등만 허용
+            if not any(name.endswith(s) for s in _INPUT_SUFFIXES):
+                continue
 
+            fields = []
             for item in node.body:
                 if not isinstance(item, ast.AnnAssign):
                     continue
-                rule = self._extract_field_rule(item, class_name, endpoint)
-                if rule:
-                    rules.append(rule)
+                f = self._parse_field(item, name)
+                if f:
+                    fields.append(f)
 
-        return {"rules": rules, "schemas": schemas_found}
+            if fields:
+                schemas[name] = fields
 
-    def _extract_field_rule(self, node: ast.AnnAssign,
-                             class_name: str, endpoint: str) -> Optional[Dict]:
-        """단일 필드 annotation에서 validation 규칙 추출."""
+        return schemas
+
+    def _parse_field(self, node: ast.AnnAssign, class_name: str) -> Optional[Dict]:
         if not isinstance(node.target, ast.Name):
             return None
-
         field_name = node.target.id
         if field_name.startswith("_"):
             return None
 
-        annotation = node.annotation
-        # ast.AnnAssign: .value = 기본값 (없으면 None) → None이면 required
-        is_required = node.value is None
-        field_type = "str"
-        allowed_values: List[str] = []
-        constraints: Dict = {}
-
-        # 타입 분석
-        type_str = ast.unparse(annotation) if hasattr(ast, "unparse") else str(annotation)
-
-        # Optional[X] → is_required=False
-        if "Optional" in type_str:
-            is_required = False
-            inner = re.sub(r"Optional\[(.+)\]", r"\1", type_str)
-            type_str = inner
-
-        # Enum 타입
-        for enum_name, vals in self.ENUM_MAP.items():
-            if enum_name in type_str:
-                field_type = "enum"
-                allowed_values = vals
-                break
-        else:
-            if "int" in type_str:
-                field_type = "int"
-            elif "float" in type_str:
-                field_type = "float"
-            elif "bool" in type_str:
-                field_type = "bool"
-            elif "List" in type_str or "list" in type_str:
-                field_type = "list"
-            elif "datetime" in type_str.lower():
-                field_type = "datetime"
-            else:
-                field_type = "str"
+        type_str = ast.unparse(node.annotation) if hasattr(ast, "unparse") else ""
+        is_required, field_type, allowed, constraints = self._analyse_type(type_str, node.value)
 
         return {
-            "endpoint": endpoint,
             "schema_class": class_name,
             "field_name": field_name,
             "field_type": field_type,
             "is_required": is_required,
-            "allowed_values": allowed_values,
+            "allowed_values": allowed,
             "constraints": constraints,
             "learned_at": datetime.now().isoformat(),
+            "endpoint": "",  # 후에 채워짐
         }
 
-    def _find_endpoint(self, class_name: str) -> str:
-        for ep, schema in self.ENDPOINT_SCHEMA.items():
-            if schema == class_name:
-                return ep
-        # 자동 추론: SRCreate → POST /api/tasks (by name pattern)
-        name_lower = class_name.lower().replace("create", "").replace("update", "")
-        return f"POST /api/{name_lower}s"
+    def _analyse_type(
+        self, type_str: str, default_node: Any
+    ) -> Tuple[bool, str, List[str], Dict]:
+        """타입 문자열 + AST 기본값 노드에서 (is_required, field_type, allowed, constraints) 반환."""
+        # default가 있으면 required=False
+        is_required = default_node is None
+        # Optional[X] → required=False, 내부 타입 추출
+        if "Optional" in type_str:
+            is_required = False
+            type_str = re.sub(r"Optional\[(.+)\]", r"\1", type_str)
+
+        allowed: List[str] = []
+        constraints: Dict = {}
+
+        # Enum 매핑
+        for enum_name, vals in ENUM_MAP.items():
+            if enum_name in type_str:
+                return is_required, "enum", vals, constraints
+
+        # 기본 타입
+        if "int" in type_str and "str" not in type_str:
+            field_type = "int"
+        elif "float" in type_str:
+            field_type = "float"
+        elif "bool" in type_str:
+            field_type = "bool"
+        elif "List" in type_str or "list" in type_str:
+            field_type = "list"
+        elif "datetime" in type_str.lower() or "date" in type_str.lower():
+            field_type = "datetime"
+        else:
+            field_type = "str"
+
+        return is_required, field_type, allowed, constraints
+
+    def _scan_routers(self) -> Dict[str, str]:
+        """
+        routers/*.py에서 @router.post/put/patch 데코레이터와
+        Body 파라미터 타입 힌트를 스캔해 {SchemaClass: "METHOD /path"} 반환.
+        """
+        schema_to_ep: Dict[str, str] = {}
+        routers_dir = BASE_DIR / "routers"
+        if not routers_dir.exists():
+            return schema_to_ep
+
+        for py_file in routers_dir.glob("*.py"):
+            try:
+                src = py_file.read_text(encoding="utf-8")
+                tree = ast.parse(src)
+            except Exception:
+                continue
+
+            # prefix 추출 (APIRouter(prefix="/api/xxx"))
+            prefix = ""
+            for node in ast.walk(tree):
+                if isinstance(node, ast.Call):
+                    func = getattr(node, "func", None)
+                    if func and getattr(func, "id", "") == "APIRouter":
+                        for kw in node.keywords:
+                            if kw.arg == "prefix" and isinstance(kw.value, ast.Constant):
+                                prefix = kw.value.value
+                                break
+
+            # 함수 → 데코레이터 + 파라미터 분석
+            for node in ast.walk(tree):
+                if not isinstance(node, ast.FunctionDef):
+                    continue
+                method, path = self._extract_route(node, prefix)
+                if not method:
+                    continue
+                schema = self._extract_body_schema(node)
+                if schema and schema not in schema_to_ep:
+                    schema_to_ep[schema] = f"{method} {path}"
+
+        return schema_to_ep
+
+    def _extract_route(self, node: ast.FunctionDef, prefix: str) -> Tuple[str, str]:
+        for dec in node.decorator_list:
+            call = dec if isinstance(dec, ast.Call) else None
+            if not call:
+                continue
+            attr = getattr(call.func, "attr", "")
+            method = attr.upper() if attr in ("get","post","put","patch","delete") else ""
+            if not method:
+                continue
+            path = ""
+            if call.args and isinstance(call.args[0], ast.Constant):
+                path = call.args[0].value
+            elif call.keywords:
+                for kw in call.keywords:
+                    if kw.arg == "path" and isinstance(kw.value, ast.Constant):
+                        path = kw.value.value
+            return method, f"{prefix}{path}"
+        return "", ""
+
+    def _extract_body_schema(self, node: ast.FunctionDef) -> Optional[str]:
+        """함수 파라미터에서 BaseModel 서브클래스 body 파라미터 타입 추출."""
+        for arg in node.args.args:
+            if arg.annotation is None:
+                continue
+            type_str = ast.unparse(arg.annotation) if hasattr(ast, "unparse") else ""
+            # 단순 이름이면서 Create/Update/In 으로 끝나는 경우
+            if any(type_str.endswith(s) for s in _INPUT_SUFFIXES):
+                return type_str
+        return None
+
+    def _invert_manual(self) -> Dict[str, str]:
+        return {v: k for k, v in self._MANUAL_MAP.items()}
+
+    def _infer_endpoint(self, class_name: str) -> str:
+        """스키마명에서 엔드포인트 자동 추론."""
+        method = "POST"
+        if class_name.endswith("Update") or class_name.endswith("Patch"):
+            method = "PUT"
+        base = re.sub(r"(Create|Update|In|Request|Input|Patch)$", "", class_name).lower()
+        return f"{method} /api/{base}s"
+
+
+# ── 규칙 로드 (영속 파일) ────────────────────────────────────────────────────
+
+def load_rules() -> Dict[str, List[Dict]]:
+    """rpa_rules.json에서 규칙 로드. 없으면 빈 dict."""
+    if not RULES_FILE.exists():
+        return {}
+    try:
+        data = json.loads(RULES_FILE.read_text(encoding="utf-8"))
+        rules_by_ep: Dict[str, List[Dict]] = {}
+        for r in data.get("rules", []):
+            ep = r.get("endpoint", "")
+            rules_by_ep.setdefault(ep, []).append(r)
+        return rules_by_ep
+    except Exception:
+        return {}
+
+
+def save_rules(rules_by_ep: Dict[str, List[Dict]]) -> None:
+    """규칙 dict를 rpa_rules.json에 저장."""
+    all_rules = [r for rules in rules_by_ep.values() for r in rules]
+    payload = {
+        "learned_at": datetime.now().isoformat(),
+        "rule_count": len(all_rules),
+        "rules": all_rules,
+    }
+    RULES_FILE.write_text(json.dumps(payload, ensure_ascii=False, indent=2), encoding="utf-8")
 
 
 # ── Validation 검증기 ────────────────────────────────────────────────────────
 
 class RPAValidator:
-    """tb_rpa_validation 규칙으로 payload 검증."""
+    """학습된 규칙으로 payload 검증."""
 
     def __init__(self, rules: List[Dict]):
         self.rules = {r["field_name"]: r for r in rules}
 
     def validate(self, payload: Dict[str, Any]) -> List[str]:
-        """
-        payload 검증. 오류 목록 반환 (빈 리스트 = 통과).
-        """
         errors: List[str] = []
-
         for field_name, rule in self.rules.items():
             val = payload.get(field_name)
 
-            # 필수 필드 검사
             if rule["is_required"] and (val is None or val == ""):
                 errors.append(f"[{field_name}] 필수 항목입니다.")
                 continue
 
             if val is None:
-                continue  # optional이고 값 없으면 skip
+                continue
 
-            # Enum 검사
             if rule["field_type"] == "enum" and rule["allowed_values"]:
                 if val not in rule["allowed_values"]:
                     errors.append(
                         f"[{field_name}] 허용값: {rule['allowed_values']} 중 하나여야 합니다. (입력: {val!r})"
                     )
-
-            # 타입 검사
             elif rule["field_type"] == "int":
                 try:
                     int(val)
                 except (TypeError, ValueError):
                     errors.append(f"[{field_name}] 정수 타입이어야 합니다.")
-
             elif rule["field_type"] == "bool":
                 if not isinstance(val, bool):
                     errors.append(f"[{field_name}] 불리언(true/false) 타입이어야 합니다.")
 
-            # 제약 조건 검사
             c = rule.get("constraints", {})
-            if c.get("max_length") and isinstance(val, str):
-                if len(val) > c["max_length"]:
-                    errors.append(f"[{field_name}] 최대 {c['max_length']}자 초과.")
-            if c.get("min_length") and isinstance(val, str):
-                if len(val) < c["min_length"]:
-                    errors.append(f"[{field_name}] 최소 {c['min_length']}자 이상 필요.")
-            if c.get("ge") is not None and isinstance(val, (int, float)):
-                if val < c["ge"]:
-                    errors.append(f"[{field_name}] {c['ge']} 이상이어야 합니다.")
-            if c.get("le") is not None and isinstance(val, (int, float)):
-                if val > c["le"]:
-                    errors.append(f"[{field_name}] {c['le']} 이하여야 합니다.")
+            if c.get("max_length") and isinstance(val, str) and len(val) > c["max_length"]:
+                errors.append(f"[{field_name}] 최대 {c['max_length']}자 초과.")
+            if c.get("min_length") and isinstance(val, str) and len(val) < c["min_length"]:
+                errors.append(f"[{field_name}] 최소 {c['min_length']}자 이상 필요.")
 
         return errors
 
 
 # ── RPA 실행 엔진 ────────────────────────────────────────────────────────────
 
+TASK_ENDPOINT_MAP: Dict[str, Tuple[str, str]] = {
+    "SR_CREATE":        ("POST",  "/api/tasks"),
+    "SR_STATUS_UPDATE": ("PATCH", "/api/tasks/{sr_id}/status"),
+    "APPROVAL_PROCESS": ("POST",  "/api/approvals"),
+    "INCIDENT_CREATE":  ("POST",  "/api/incidents"),
+    "SHELL_EXEC":       ("POST",  "/api/ssh/exec"),
+    "SR_BATCH_CREATE":  ("POST",  "/api/tasks/batch"),
+}
+
+
 class RPAExecutor:
-    """RPA 작업 실행기 — validation 후 ITSM API 호출."""
+    """학습 규칙 기반 ITSM API 자동 호출."""
 
     def __init__(self, base_url: str, token: str):
         self.base_url = base_url.rstrip("/")
-        self.headers = {"Authorization": f"Bearer {token}", "Content-Type": "application/json"}
+        self.headers  = {"Authorization": f"Bearer {token}", "Content-Type": "application/json"}
 
     async def execute(
         self,
@@ -221,45 +373,34 @@ class RPAExecutor:
         dry_run: bool = False,
         retry: int = 3,
     ) -> Dict[str, Any]:
-        """
-        단발성 RPA 실행.
-        dry_run=True → validation만 수행, API 호출 없음.
-        """
-        endpoint_map = {
-            "SR_CREATE":          ("POST", "/api/tasks"),
-            "SR_STATUS_UPDATE":   ("PATCH", f"/api/tasks/{payload.get('sr_id', 0)}/status"),
-            "APPROVAL_PROCESS":   ("POST", "/api/approvals"),
-            "INCIDENT_CREATE":    ("POST", "/api/incidents"),
-            "SHELL_EXEC":         ("POST", "/api/ssh/exec"),
-        }
-
-        if task_type not in endpoint_map:
+        if task_type not in TASK_ENDPOINT_MAP:
             return {"status": "FAILED", "error": f"알 수 없는 task_type: {task_type}"}
 
-        method, path = endpoint_map[task_type]
-        result = {"task_type": task_type, "endpoint": f"{method} {path}", "dry_run": dry_run}
+        method, path_tmpl = TASK_ENDPOINT_MAP[task_type]
+        path = path_tmpl.format(**payload)
+        result: Dict[str, Any] = {
+            "task_type": task_type,
+            "endpoint": f"{method} {path}",
+            "dry_run": dry_run,
+        }
 
         if dry_run:
-            result["status"] = "DRY_RUN_OK"
-            result["message"] = "Validation 통과. dry_run=true이므로 실제 실행 생략."
+            result.update(status="DRY_RUN_OK",
+                          message="Validation 통과. dry_run=true이므로 실제 실행 생략.")
             return result
 
-        # 실제 API 호출 (재시도 포함)
         url = f"{self.base_url}{path}"
-        last_err = None
+        last_err: Optional[str] = None
+
         async with httpx.AsyncClient(timeout=30) as client:
             for attempt in range(1, retry + 1):
                 try:
-                    resp = getattr(client, method.lower())
-                    r = await resp(url, json=payload, headers=self.headers)
+                    r = await client.request(method, url, json=payload, headers=self.headers)
                     if r.status_code < 300:
-                        result["status"] = "SUCCESS"
-                        result["response"] = r.json()
+                        result.update(status="SUCCESS", response=r.json())
                         return result
                     elif r.status_code < 500:
-                        # 4xx → 재시도 없음
-                        result["status"] = "FAILED"
-                        result["error"] = r.json()
+                        result.update(status="FAILED", error=r.json())
                         return result
                     else:
                         last_err = f"HTTP {r.status_code}: {r.text[:200]}"
@@ -268,8 +409,7 @@ class RPAExecutor:
 
                 if attempt < retry:
                     import asyncio
-                    await asyncio.sleep(2 ** attempt)  # 지수 백오프
+                    await asyncio.sleep(2 ** attempt)
 
-        result["status"] = "FAILED"
-        result["error"] = f"{retry}회 재시도 후 실패: {last_err}"
+        result.update(status="FAILED", error=f"{retry}회 재시도 후 실패: {last_err}")
         return result

routers/rpa.py

@@ -1,45 +1,85 @@
 """
 RPA (Robotic Process Automation) 라우터
-- Validation 학습: 프로젝트 소스(models.py) AST 파싱
-- RPA 작업 등록/수정/삭제/실행
+- Validation 학습: models.py AST + routers/ 스캔
+- 규칙 영속: rpa_rules.json
+- RPA 작업 등록/수정/삭제/실행 + 크론 스케줄러 연동
 - 실행 이력 조회
 """
 from __future__ import annotations
 
+import json
 import os
 from datetime import datetime
+from pathlib import Path
 from typing import Any, Dict, List, Optional
 
-from fastapi import APIRouter, Depends, HTTPException, Query, BackgroundTasks
+from fastapi import APIRouter, Depends, HTTPException, Query
 from pydantic import BaseModel
-from sqlalchemy import select, func, delete
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from core.auth import get_current_user
 from database import get_db
 from models import User
-from core.rpa_engine import ValidationLearner, RPAValidator, RPAExecutor
+from core.rpa_engine import (
+    ValidationLearner, RPAValidator, RPAExecutor,
+    load_rules, save_rules, TASK_ENDPOINT_MAP,
+)
 
 router = APIRouter(prefix="/api/rpa", tags=["rpa"])
 
-# ── 인메모리 저장소 (DB 미적용 시 fallback) ──────────────────────────────────
-# 실제 운영 시 SQLAlchemy 모델로 교체
-_validation_rules: Dict[str, List[Dict]] = {}   # endpoint → rules
+# ── 인메모리 저장소 (재시작 시 rpa_rules.json로 복구) ─────────────────────
+_validation_rules: Dict[str, List[Dict]] = {}   # endpoint → rules (런타임)
 _rpa_tasks: Dict[int, Dict] = {}
 _rpa_executions: List[Dict] = []
 _task_id_seq = 1
 
+ITSM_BASE = os.getenv("ITSM_BASE_URL", "http://127.0.0.1:9001")
+
+
+def _init_rules_from_file() -> None:
+    """서비스 시작 시 rpa_rules.json에서 규칙 복구."""
+    global _validation_rules
+    loaded = load_rules()
+    if loaded:
+        _validation_rules.update(loaded)
+        total = sum(len(v) for v in loaded.values())
+        print(f"[RPA] 저장된 validation 규칙 복구: {len(loaded)}개 엔드포인트, {total}개 규칙")
+
+
+def auto_learn() -> Dict:
+    """서비스 시작 시 자동 학습 (규칙 파일 없을 때)."""
+    learner = ValidationLearner()
+    result = learner.learn_from_source()
+    rules = result["rules"]
+    _validation_rules.clear()
+    for r in rules:
+        ep = r["endpoint"]
+        _validation_rules.setdefault(ep, [])
+        if not any(x["field_name"] == r["field_name"] for x in _validation_rules[ep]):
+            _validation_rules[ep].append(r)
+    return result
+
+
+# ── 초기화: 파일에서 규칙 복구, 없으면 즉시 학습 ─────────────────────────
+_init_rules_from_file()
+if not _validation_rules:
+    try:
+        auto_learn()
+        print("[RPA] 초기 Validation 자동 학습 완료")
+    except Exception as e:
+        print(f"[RPA] 초기 학습 실패 (수동으로 POST /api/rpa/validations/learn 호출): {e}")
+
 
 # ── Schemas ──────────────────────────────────────────────────────────────────
 
 class LearnRequest(BaseModel):
-    endpoints: str = "all"   # "all" 또는 특정 endpoint
+    endpoints: str = "all"
     overwrite: bool = True
 
 class RPATaskCreate(BaseModel):
     task_name: str
-    task_type: str           # SR_CREATE | SR_STATUS_UPDATE | APPROVAL_PROCESS | ...
-    schedule: Optional[str] = None   # cron expression
+    task_type: str
+    schedule: Optional[str] = None
     payload_template: Dict[str, Any] = {}
     is_active: bool = True
     description: Optional[str] = None
@@ -60,17 +100,6 @@ class ExecuteRequest(BaseModel):
     payload: Dict[str, Any]
     dry_run: bool = False
 
-class ExecuteOut(BaseModel):
-    execution_id: int
-    task_type: str
-    status: str
-    dry_run: bool
-    validation_errors: List[str] = []
-    result: Optional[Dict] = None
-    error: Optional[str] = None
-    started_at: str
-    completed_at: Optional[str] = None
-
 
 # ── Validation 학습 ──────────────────────────────────────────────────────────
 
@@ -79,9 +108,7 @@ async def learn_validations(
     req: LearnRequest,
     current_user: User = Depends(get_current_user),
 ):
-    """
-    프로젝트 소스(models.py)를 AST 파싱하여 validation 규칙 학습.
-    """
+    """models.py + routers/ 소스 분석으로 validation 규칙 학습."""
     learner = ValidationLearner()
     try:
         result = learner.learn_from_source()
@@ -89,38 +116,39 @@ async def learn_validations(
         raise HTTPException(500, f"소스 파싱 실패: {e}")
 
     rules = result["rules"]
-    schemas = result["schemas"]
-
     if req.overwrite:
         _validation_rules.clear()
 
     learned = 0
-    for rule in rules:
-        ep = rule["endpoint"]
-        if ep not in _validation_rules:
-            _validation_rules[ep] = []
-        # 중복 필드 제거
-        existing = {r["field_name"] for r in _validation_rules[ep]}
-        if rule["field_name"] not in existing:
-            _validation_rules[ep].append(rule)
+    for r in rules:
+        ep = r["endpoint"]
+        _validation_rules.setdefault(ep, [])
+        existing = {x["field_name"] for x in _validation_rules[ep]}
+        if r["field_name"] not in existing:
+            _validation_rules[ep].append(r)
             learned += 1
 
     return {
         "learned": learned,
-        "schemas": schemas,
+        "schemas": result["schemas"],
         "endpoints_mapped": len(_validation_rules),
-        "summary": {ep: len(rules_) for ep, rules_ in _validation_rules.items()},
+        "total_rules": sum(len(v) for v in _validation_rules.values()),
+        "summary": {ep: len(rs) for ep, rs in list(_validation_rules.items())[:10]},
     }
 
 
 @router.get("/validations")
 async def get_validations(
     endpoint: Optional[str] = Query(None),
+    schema: Optional[str] = Query(None),
     current_user: User = Depends(get_current_user),
 ):
     """학습된 validation 규칙 조회."""
     if endpoint:
-        return {"endpoint": endpoint, "rules": _validation_rules.get(endpoint, [])}
+        rules = _validation_rules.get(endpoint, [])
+        if schema:
+            rules = [r for r in rules if r.get("schema_class") == schema]
+        return {"endpoint": endpoint, "rule_count": len(rules), "rules": rules}
     return {
         "total_endpoints": len(_validation_rules),
         "total_rules": sum(len(v) for v in _validation_rules.values()),
@@ -128,6 +156,17 @@ async def get_validations(
     }
 
 
+@router.get("/validations/schemas")
+async def list_schemas(current_user: User = Depends(get_current_user)):
+    """학습된 스키마 목록과 각 필드 수."""
+    schema_map: Dict[str, int] = {}
+    for rules in _validation_rules.values():
+        for r in rules:
+            sc = r.get("schema_class", "")
+            schema_map[sc] = schema_map.get(sc, 0) + 1
+    return {"schemas": schema_map}
+
+
 # ── RPA 작업 관리 ─────────────────────────────────────────────────────────────
 
 @router.post("/tasks", response_model=RPATaskOut)
@@ -135,8 +174,11 @@ async def create_rpa_task(
     body: RPATaskCreate,
     current_user: User = Depends(get_current_user),
 ):
-    """RPA 작업 등록."""
     global _task_id_seq
+    if body.task_type not in TASK_ENDPOINT_MAP:
+        raise HTTPException(400,
+            f"지원하지 않는 task_type. 허용값: {list(TASK_ENDPOINT_MAP.keys())}")
+
     task = {
         "id": _task_id_seq,
         "task_name": body.task_name,
@@ -150,6 +192,11 @@ async def create_rpa_task(
         "created_by": current_user.username,
     }
     _rpa_tasks[_task_id_seq] = task
+
+    # APScheduler에 크론 등록
+    if body.schedule and body.is_active:
+        _register_cron(task)
+
     _task_id_seq += 1
     return task
 
@@ -185,6 +232,10 @@ async def update_rpa_task(
     task = _rpa_tasks.get(task_id)
     if not task:
         raise HTTPException(404, "RPA 작업을 찾을 수 없습니다.")
+
+    # 기존 크론 제거
+    _unregister_cron(task_id)
+
     task.update({
         "task_name": body.task_name,
         "task_type": body.task_type,
@@ -193,105 +244,104 @@ async def update_rpa_task(
         "is_active": body.is_active,
         "description": body.description,
     })
+
+    if body.schedule and body.is_active:
+        _register_cron(task)
+
     return task
 
 
+@router.patch("/tasks/{task_id}/toggle")
+async def toggle_rpa_task(task_id: int, current_user: User = Depends(get_current_user)):
+    """작업 활성/비활성 토글."""
+    task = _rpa_tasks.get(task_id)
+    if not task:
+        raise HTTPException(404, "RPA 작업을 찾을 수 없습니다.")
+    task["is_active"] = not task["is_active"]
+    if task["is_active"] and task.get("schedule"):
+        _register_cron(task)
+    else:
+        _unregister_cron(task_id)
+    return {"id": task_id, "is_active": task["is_active"]}
+
+
 @router.delete("/tasks/{task_id}")
 async def delete_rpa_task(task_id: int, current_user: User = Depends(get_current_user)):
     if task_id not in _rpa_tasks:
         raise HTTPException(404, "RPA 작업을 찾을 수 없습니다.")
+    _unregister_cron(task_id)
     del _rpa_tasks[task_id]
     return {"deleted": task_id}
 
 
 # ── RPA 실행 ─────────────────────────────────────────────────────────────────
 
-@router.post("/execute", response_model=ExecuteOut)
+@router.post("/execute")
 async def execute_rpa(
     body: ExecuteRequest,
     current_user: User = Depends(get_current_user),
 ):
-    """
-    단발성 RPA 실행.
-    1. payload를 학습된 validation 규칙으로 검증
-    2. dry_run=false 시 실제 API 호출
-    """
+    """단발성 RPA 실행 (validation → 실행 → 이력 기록)."""
+    global _rpa_executions
     exec_id = len(_rpa_executions) + 1
     started = datetime.now().isoformat()
 
-    # Validation 규칙 찾기
-    executor_map = {
-        "SR_CREATE":        "POST /api/tasks",
-        "SR_STATUS_UPDATE": "PATCH /api/tasks/status",
-        "APPROVAL_PROCESS": "POST /api/approvals",
-        "INCIDENT_CREATE":  "POST /api/incidents",
-    }
-    endpoint_key = executor_map.get(body.task_type, f"POST /api/{body.task_type.lower()}")
-    rules = _validation_rules.get(endpoint_key, [])
+    # 해당 task_type의 엔드포인트 규칙 찾기
+    from core.rpa_engine import TASK_ENDPOINT_MAP
+    method_path = TASK_ENDPOINT_MAP.get(body.task_type)
+    if not method_path:
+        raise HTTPException(400, f"알 수 없는 task_type: {body.task_type}. 허용값: {list(TASK_ENDPOINT_MAP.keys())}")
 
-    # Validation 검증
+    ep_key = f"{method_path[0]} {method_path[1]}"
+    # path template → 실제 key (예: PATCH /api/tasks/{sr_id}/status → PATCH /api/tasks/status)
+    ep_key_norm = ep_key.split("{")[0].rstrip("/")
+    rules = _validation_rules.get(ep_key, []) or _validation_rules.get(ep_key_norm, [])
+
+    # Validation
     validator = RPAValidator(rules)
     errors = validator.validate(body.payload)
 
+    record: Dict[str, Any] = {
+        "execution_id": exec_id,
+        "task_type": body.task_type,
+        "dry_run": body.dry_run,
+        "validation_errors": errors,
+        "started_at": started,
+        "actor": current_user.username,
+    }
+
     if errors:
-        record = {
-            "execution_id": exec_id,
-            "task_type": body.task_type,
-            "status": "VALIDATION_FAILED",
-            "dry_run": body.dry_run,
-            "validation_errors": errors,
-            "result": None,
-            "error": f"{len(errors)}개 validation 오류",
-            "started_at": started,
-            "completed_at": datetime.now().isoformat(),
-            "actor": current_user.username,
-        }
+        record.update(status="VALIDATION_FAILED",
+                      error=f"{len(errors)}개 validation 오류", result=None,
+                      completed_at=datetime.now().isoformat())
         _rpa_executions.append(record)
         return record
 
     if body.dry_run:
-        record = {
-            "execution_id": exec_id,
-            "task_type": body.task_type,
-            "status": "DRY_RUN_OK",
-            "dry_run": True,
-            "validation_errors": [],
-            "result": {"message": "Validation 통과. dry_run=true이므로 실제 실행 생략."},
-            "error": None,
-            "started_at": started,
-            "completed_at": datetime.now().isoformat(),
-            "actor": current_user.username,
-        }
+        record.update(status="DRY_RUN_OK",
+                      result={"message": "Validation 통과. dry_run=true이므로 실제 실행 생략."},
+                      error=None, completed_at=datetime.now().isoformat())
         _rpa_executions.append(record)
         return record
 
     # 실제 실행
-    base_url = os.getenv("ITSM_BASE_URL", "http://localhost:8001")
-    token = current_user.username  # 실제 환경에서는 서비스 토큰 사용
-    executor = RPAExecutor(base_url=base_url, token=token)
-
+    executor = RPAExecutor(base_url=ITSM_BASE, token=_get_service_token(current_user))
     try:
         result = await executor.execute(body.task_type, body.payload, dry_run=False)
     except Exception as e:
         result = {"status": "FAILED", "error": str(e)}
 
-    record = {
-        "execution_id": exec_id,
-        "task_type": body.task_type,
-        "status": result.get("status", "FAILED"),
-        "dry_run": False,
-        "validation_errors": [],
-        "result": result.get("response"),
-        "error": result.get("error"),
-        "started_at": started,
-        "completed_at": datetime.now().isoformat(),
-        "actor": current_user.username,
-    }
+    record.update(
+        status=result.get("status", "FAILED"),
+        result=result.get("response"),
+        error=result.get("error"),
+        completed_at=datetime.now().isoformat(),
+    )
     _rpa_executions.append(record)
     return record
 
 
-@router.post("/tasks/{task_id}/run", response_model=ExecuteOut)
+@router.post("/tasks/{task_id}/run")
 async def run_rpa_task(
     task_id: int,
     dry_run: bool = Query(False),
@@ -304,14 +354,9 @@ async def run_rpa_task(
     if not task["is_active"]:
         raise HTTPException(400, "비활성 작업입니다. 먼저 활성화하세요.")
 
-    req = ExecuteRequest(
-        task_type=task["task_type"],
-        payload=task["payload_template"],
-        dry_run=dry_run,
-    )
+    req = ExecuteRequest(task_type=task["task_type"],
+                         payload=task["payload_template"], dry_run=dry_run)
     result = await execute_rpa(req, current_user)
-
-    # last_run 갱신
     _rpa_tasks[task_id]["last_run"] = datetime.now().isoformat()
     return result
 
@@ -328,25 +373,130 @@ async def list_executions(
 ):
     execs = list(_rpa_executions)
     if status:
-        execs = [e for e in execs if e["status"] == status]
+        execs = [e for e in execs if e.get("status") == status]
     if task_type:
-        execs = [e for e in execs if e["task_type"] == task_type]
+        execs = [e for e in execs if e.get("task_type") == task_type]
     total = len(execs)
     start = (page - 1) * size
-    return {
-        "total": total,
-        "page": page,
-        "size": size,
-        "items": list(reversed(execs))[start:start + size],
-    }
+    return {"total": total, "page": page, "size": size,
+            "items": list(reversed(execs))[start:start + size]}
 
 
 @router.get("/executions/{execution_id}")
-async def get_execution(
-    execution_id: int,
-    current_user: User = Depends(get_current_user),
-):
+async def get_execution(execution_id: int, current_user: User = Depends(get_current_user)):
     for e in _rpa_executions:
         if e["execution_id"] == execution_id:
             return e
     raise HTTPException(404, "실행 이력을 찾을 수 없습니다.")
+
+
+@router.get("/status")
+async def rpa_status(current_user: User = Depends(get_current_user)):
+    """RPA 시스템 현황 요약."""
+    return {
+        "validation_endpoints": len(_validation_rules),
+        "validation_rules": sum(len(v) for v in _validation_rules.values()),
+        "tasks_total": len(_rpa_tasks),
+        "tasks_active": sum(1 for t in _rpa_tasks.values() if t["is_active"]),
+        "executions_total": len(_rpa_executions),
+        "executions_success": sum(1 for e in _rpa_executions if e.get("status") == "SUCCESS"),
+        "executions_failed": sum(1 for e in _rpa_executions
+                                  if e.get("status") in ("FAILED", "VALIDATION_FAILED")),
+        "supported_task_types": list(TASK_ENDPOINT_MAP.keys()),
+    }
+
+
+# ── APScheduler 연동 ──────────────────────────────────────────────────────────
+
+def _register_cron(task: Dict) -> None:
+    """APScheduler에 크론 잡 등록."""
+    try:
+        from core.scheduler import scheduler
+        cron = task.get("schedule", "")
+        if not cron:
+            return
+        parts = cron.split()
+        if len(parts) < 5:
+            return
+        minute, hour, day, month, day_of_week = parts[:5]
+        job_id = f"rpa_task_{task['id']}"
+        scheduler.add_job(
+            _run_task_background,
+            trigger="cron",
+            id=job_id,
+            replace_existing=True,
+            minute=minute, hour=hour,
+            day=day, month=month,
+            day_of_week=day_of_week,
+            args=[task["id"]],
+        )
+        print(f"[RPA] 크론 등록: {job_id} ({cron})")
+    except Exception as e:
+        print(f"[RPA] 크론 등록 실패 (task_id={task['id']}): {e}")
+
+
+def _unregister_cron(task_id: int) -> None:
+    try:
+        from core.scheduler import scheduler
+        job_id = f"rpa_task_{task_id}"
+        if scheduler.get_job(job_id):
+            scheduler.remove_job(job_id)
+    except Exception:
+        pass
+
+
+def _run_task_background(task_id: int) -> None:
+    """크론에 의해 백그라운드에서 호출되는 RPA 실행 함수."""
+    import asyncio
+    task = _rpa_tasks.get(task_id)
+    if not task or not task["is_active"]:
+        return
+
+    exec_id = len(_rpa_executions) + 1
+    started = datetime.now().isoformat()
+    ep = TASK_ENDPOINT_MAP.get(task["task_type"], ("", ""))[1]
+    ep_key = f"{TASK_ENDPOINT_MAP.get(task['task_type'], ('POST',''))[0]} {ep}"
+    rules = _validation_rules.get(ep_key, [])
+    validator = RPAValidator(rules)
+    errors = validator.validate(task["payload_template"])
+
+    record: Dict[str, Any] = {
+        "execution_id": exec_id,
+        "task_type": task["task_type"],
+        "dry_run": False,
+        "validation_errors": errors,
+        "started_at": started,
+        "actor": "rpa-scheduler",
+    }
+
+    if errors:
+        record.update(status="VALIDATION_FAILED",
+                      error=f"{len(errors)}개 validation 오류", result=None,
+                      completed_at=datetime.now().isoformat())
+    else:
+        async def _run():
+            executor = RPAExecutor(base_url=ITSM_BASE, token="")
+            return await executor.execute(task["task_type"], task["payload_template"])
+        try:
+            loop = asyncio.new_event_loop()
+            result = loop.run_until_complete(_run())
+            loop.close()
+        except Exception as e:
+            result = {"status": "FAILED", "error": str(e)}
+
+        record.update(
+            status=result.get("status", "FAILED"),
+            result=result.get("response"),
+            error=result.get("error"),
+            completed_at=datetime.now().isoformat(),
+        )
+
+    _rpa_executions.append(record)
+    _rpa_tasks[task_id]["last_run"] = datetime.now().isoformat()
+    print(f"[RPA Scheduler] task_id={task_id} status={record['status']}")
+
+
+def _get_service_token(user: User) -> str:
+    """서비스 계정용 토큰 생성 (내부 API 호출용)."""
+    from core.auth import create_access_token
+    return create_access_token({"sub": user.username, "role": user.role})