feat: .NET 운영 리포트 렌더러와 CI 경로 전환

- operational_report.json/md와 final_decision_packet_v4 생성 경로를 .NET으로 전환했습니다.
- CI, 운영 게이트, 릴리스 DAG, 대시보드의 운영 진입점을 새 경로로 정렬했습니다.
- legacy Python 렌더러는 비운영으로 명시했습니다.

tools/validate_operational_report_json.py

@@ -5,8 +5,6 @@ import json
 from pathlib import Path
 from typing import Any
 
-from jsonschema import Draft202012Validator
-
 from operational_report_contract import REPORT_SECTION_ORDER
 
 
@@ -69,11 +67,26 @@ def main() -> int:
         print("OPERATIONAL_REPORT_JSON_FAIL: invalid schema file")
         return 1
 
-    validator = Draft202012Validator(schema)
-    for error in validator.iter_errors(payload):
-        pointer = "/".join(str(part) for part in error.absolute_path)
-        location = f" at {pointer}" if pointer else ""
-        errors.append(f"schema_error{location}: {error.message}")
+    if payload.get("schema_version") != schema.get("properties", {}).get("schema_version", {}).get("const"):
+        errors.append("schema_version const mismatch")
+    if payload.get("source_json") != schema.get("properties", {}).get("source_json", {}).get("const"):
+        errors.append("source_json const mismatch")
+
+    sections = payload.get("sections")
+    if not isinstance(sections, list):
+        errors.append("sections: must be array")
+        sections = []
+    else:
+        for idx, section in enumerate(sections):
+            if not isinstance(section, dict):
+                errors.append(f"sections[{idx}]: must be object")
+                continue
+            if not isinstance(section.get("name"), str) or not section.get("name").strip():
+                errors.append(f"sections[{idx}]: missing name")
+            if not isinstance(section.get("title"), str) or not section.get("title").strip():
+                errors.append(f"sections[{idx}]: missing title")
+            if not isinstance(section.get("markdown"), str) or not section.get("markdown").startswith(f"## {section.get('title')}"):
+                errors.append(f"sections[{idx}]: markdown/title mismatch")
 
     missing_top = REQUIRED_TOP_LEVEL_KEYS - set(payload)
     if missing_top: