diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 9402b3d6..275abfee 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -178,6 +178,9 @@ jobs:
     - name: Validate Dotnet Provenance Contract
       run: python3 tools/validate_dotnet_provenance_contract_v1.py
 
+    - name: Validate Dotnet Scheduler Contract
+      run: python3 tools/validate_dotnet_scheduler_contract_v1.py
+
 
 
     - name: Build Calibration Priority Backlog
diff --git a/AGENTS.md b/AGENTS.md
index 136edba8..d2819246 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -101,10 +101,12 @@
 - `docs/WBS_10_DOTNET_MIGRATION_EXECUTION_PLAN.yaml`: WBS-10 착수용 실행 분해 계획.
 - `docs/WBS_10_DOTNET_PARITY_CONTRACT.yaml`: WBS-10 핵심 계산기 parity 계약.
 - `docs/WBS_10_DOTNET_PROVENANCE_CONTRACT.yaml`: WBS-10 provenance payload 표준 계약.
+- `docs/WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml`: WBS-10 scheduler state machine 계약.
 - `tools/validate_dotnet_migration_roadmap_v1.py`: WBS-10 상세 로드맵 YAML validator.
 - `tools/validate_dotnet_migration_execution_plan_v1.py`: WBS-10 실행 분해 계획 validator.
 - `tools/validate_dotnet_parity_contract_v1.py`: WBS-10 parity 계약 validator.
 - `tools/validate_dotnet_provenance_contract_v1.py`: WBS-10 provenance 계약 validator.
+- `tools/validate_dotnet_scheduler_contract_v1.py`: WBS-10 scheduler 계약 validator.
 - `Temp/snapshot_admin_approval_packet_v1.json`: snapshot admin approval packet export.
 - `Temp/snapshot_admin_approval_packet_v1.md`: snapshot admin approval packet summary.
 - `Temp/`: 실행 결과와 캐시. 라우팅 대상은 아니며 runtime consumer만 읽는다.
diff --git a/docs/ROADMAP_WBS.md b/docs/ROADMAP_WBS.md
index fed79981..2aec4c24 100644
--- a/docs/ROADMAP_WBS.md
+++ b/docs/ROADMAP_WBS.md
@@ -1470,6 +1470,7 @@ WBS-8.8 (KIS 리팩터) — 독립적 (원격 병행)
 > 실행 분해 검증기: `tools/validate_dotnet_migration_execution_plan_v1.py`
 > parity 계약: [WBS_10_DOTNET_PARITY_CONTRACT.yaml](./WBS_10_DOTNET_PARITY_CONTRACT.yaml)
 > provenance 계약: [WBS_10_DOTNET_PROVENANCE_CONTRACT.yaml](./WBS_10_DOTNET_PROVENANCE_CONTRACT.yaml)
+> scheduler contract: [WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml](./WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml)
 
 > 현황 진단(2026-06-26): .NET 프로젝트는 Python 엔진(41 모듈, 14,500 LOC) 대비 5~10%(~1,400 LOC) 수준.
 > Domain 계산기 6개·데이터 모델 8개·KIS/Naver/Yahoo 클라이언트·PostgreSQL 마이그레이션·Razor Pages 어드민 대시보드 기본 구현 완료.
diff --git a/docs/WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml b/docs/WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml
new file mode 100644
index 00000000..39956a9d
--- /dev/null
+++ b/docs/WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml
@@ -0,0 +1,60 @@
+formula_id: WBS_10_DOTNET_SCHEDULER_CONTRACT_V1
+owner: QuantEngine
+status: draft
+goal: "스케줄러 상태 전이, 의존성, 재시도, 감사 추적을 표준화한다."
+
+state_machine:
+  states:
+    - pending
+    - running
+    - succeeded
+    - failed
+    - retrying
+    - blocked
+  allowed_transitions:
+    pending: [running, blocked]
+    running: [succeeded, failed, retrying, blocked]
+    failed: [retrying, blocked]
+    retrying: [running, failed, blocked]
+    succeeded: []
+    blocked: []
+
+job_definitions:
+  - job_id: daily-collection
+    cron: "0 9 * * *"
+    lease_owner: collection
+    timeout_policy: "2h"
+    dependency: gather-trading-data
+  - job_id: hourly-price-update
+    cron: "0 9,11,13,15 * * 1-5"
+    lease_owner: price-update
+    timeout_policy: "30m"
+    dependency: price-feed
+  - job_id: weekly-report
+    cron: "0 17 * * 5"
+    lease_owner: report
+    timeout_policy: "1h"
+    dependency: report-generator
+  - job_id: monthly-optimization
+    cron: "0 2 1 * *"
+    lease_owner: optimization
+    timeout_policy: "3h"
+    dependency: optimizer
+
+audit_fields:
+  - JobId
+  - RunId
+  - State
+  - StartedAt
+  - FinishedAt
+  - ResourceKey
+  - Reason
+
+idempotency:
+  required: true
+  key_pattern: "{job_id}:{resource_key}:{yyyyMMddHHmm}"
+
+notes:
+  - "상태 전이와 감사 추적은 append-only JSONL로 남긴다."
+  - "실행 재개는 retrying 이후에만 허용한다."
+  - "숫자 계산은 여기서 하지 않는다."
diff --git a/spec/41_release_dag.yaml b/spec/41_release_dag.yaml
index fa86bac8..f764d4ca 100644
--- a/spec/41_release_dag.yaml
+++ b/spec/41_release_dag.yaml
@@ -2345,6 +2345,22 @@ dag:
       - Temp/wbs_10_dotnet_provenance_contract_v1.json
       strict: true
       timeout_sec: 60
+    validate_dotnet_scheduler_contract:
+      artifact_policy: keep
+      cache_key: validate_dotnet_scheduler_contract_v1
+      command:
+      - python
+      - tools/validate_dotnet_scheduler_contract_v1.py
+      depends_on: []
+      id: validate_dotnet_scheduler_contract
+      inputs:
+      - tools/validate_dotnet_scheduler_contract_v1.py
+      - docs/WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml
+      note: WBS-10 scheduler 상태 전이, 감사, idempotency 계약을 검증한다.
+      outputs:
+      - Temp/wbs_10_dotnet_scheduler_contract_v1.json
+      strict: true
+      timeout_sec: 60
     validate_specs:
       artifact_policy: keep
       cache_key: validate_specs_v1
diff --git a/tests/unit/test_validate_dotnet_scheduler_contract_v1.py b/tests/unit/test_validate_dotnet_scheduler_contract_v1.py
new file mode 100644
index 00000000..c056a5a5
--- /dev/null
+++ b/tests/unit/test_validate_dotnet_scheduler_contract_v1.py
@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+import json
+import subprocess
+import sys
+from pathlib import Path
+
+
+def test_validate_dotnet_scheduler_contract_passes() -> None:
+    root = Path(__file__).resolve().parents[2]
+    proc = subprocess.run(
+        [sys.executable, str(root / "tools" / "validate_dotnet_scheduler_contract_v1.py")],
+        cwd=root,
+        capture_output=True,
+        text=True,
+    )
+    assert proc.returncode == 0, proc.stdout + proc.stderr
+    payload = json.loads(proc.stdout)
+    assert payload["gate"] == "PASS"
+
+
+def test_validate_dotnet_scheduler_contract_reports_missing_states() -> None:
+    root = Path(__file__).resolve().parents[2]
+    temp = root / "Temp" / "test_wbs_10_scheduler_contract_bad.yaml"
+    temp.write_text(
+        "formula_id: WBS_10_DOTNET_SCHEDULER_CONTRACT_V1\ngoal: 스케줄러 상태 전이, 의존성, 재시도, 감사 추적을 표준화한다.\nstate_machine:\n  states: [pending, running]\n  allowed_transitions: {}\njob_definitions: []\naudit_fields: []\nidempotency:\n  required: false\n",
+        encoding="utf-8",
+    )
+    proc = subprocess.run(
+        [sys.executable, str(root / "tools" / "validate_dotnet_scheduler_contract_v1.py"), "--contract", str(temp)],
+        cwd=root,
+        capture_output=True,
+        text=True,
+    )
+    assert proc.returncode != 0
+    payload = json.loads(proc.stdout)
+    assert payload["gate"] == "FAIL"
+    assert "state_machine.states" in payload["missing"]
diff --git a/tools/validate_dotnet_scheduler_contract_v1.py b/tools/validate_dotnet_scheduler_contract_v1.py
new file mode 100644
index 00000000..d8f45434
--- /dev/null
+++ b/tools/validate_dotnet_scheduler_contract_v1.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import json
+from pathlib import Path
+from typing import Any
+
+import yaml
+
+
+REQUIRED_STATES = {"pending", "running", "succeeded", "failed", "retrying", "blocked"}
+
+
+def load_yaml(path: Path) -> dict[str, Any]:
+    if not path.exists():
+        raise FileNotFoundError(path)
+    return yaml.safe_load(path.read_text(encoding="utf-8"))
+
+
+def main(argv: list[str] | None = None) -> int:
+    parser = argparse.ArgumentParser(description="Validate WBS-10 dotnet scheduler contract")
+    parser.add_argument("--contract", default="docs/WBS_10_DOTNET_SCHEDULER_CONTRACT.yaml")
+    args = parser.parse_args(argv)
+
+    contract_path = Path(args.contract).resolve()
+    payload: dict[str, Any] = {
+        "formula_id": "WBS_10_DOTNET_SCHEDULER_CONTRACT_V1",
+        "gate": "FAIL",
+        "missing": [],
+        "evidence": {"contract": str(contract_path)},
+    }
+
+    try:
+        data = load_yaml(contract_path)
+    except FileNotFoundError:
+        payload["missing"].append("contract missing")
+        print(json.dumps(payload, ensure_ascii=False, indent=2))
+        return 1
+
+    if data.get("formula_id") != "WBS_10_DOTNET_SCHEDULER_CONTRACT_V1":
+        payload["missing"].append("formula_id")
+    if data.get("goal") != "스케줄러 상태 전이, 의존성, 재시도, 감사 추적을 표준화한다.":
+        payload["missing"].append("goal")
+
+    machine = data.get("state_machine") or {}
+    states = set(machine.get("states") or [])
+    if REQUIRED_STATES - states:
+        payload["missing"].append("state_machine.states")
+
+    transitions = machine.get("allowed_transitions") or {}
+    for state in REQUIRED_STATES:
+        if state not in transitions:
+            payload["missing"].append(f"allowed_transitions.{state}")
+
+    job_definitions = data.get("job_definitions") or []
+    job_ids = {item.get("job_id", "") for item in job_definitions}
+    for required in {"daily-collection", "hourly-price-update", "weekly-report", "monthly-optimization"} - job_ids:
+        payload["missing"].append(f"{required} missing")
+
+    if not data.get("audit_fields"):
+        payload["missing"].append("audit_fields")
+    if data.get("idempotency", {}).get("required") is not True:
+        payload["missing"].append("idempotency.required")
+
+    payload["gate"] = "PASS" if not payload["missing"] else "FAIL"
+    payload["message"] = (
+        "WBS-10 dotnet scheduler contract validation passed."
+        if payload["gate"] == "PASS"
+        else "WBS-10 dotnet scheduler contract validation failed."
+    )
+
+    out_path = contract_path.parent.parent / "Temp" / "wbs_10_dotnet_scheduler_contract_v1.json"
+    out_path.parent.mkdir(parents=True, exist_ok=True)
+    out_path.write_text(json.dumps(payload, ensure_ascii=False, indent=2), encoding="utf-8")
+    print(json.dumps(payload, ensure_ascii=False, indent=2))
+    return 0 if payload["gate"] == "PASS" else 1
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())