ops: add production observability and recovery

backend/apps/system/management/__init__.py

@@ -0,0 +1 @@
+

backend/apps/system/management/commands/__init__.py

@@ -0,0 +1 @@
+

backend/apps/system/management/commands/report_blueprint_readiness.py

@@ -0,0 +1,91 @@
+import json
+from pathlib import Path
+
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+
+from apps.system.blueprint_readiness import build_blueprint_readiness_report
+
+
+class Command(BaseCommand):
+    help = "生成覆盖阶段 2～6 退出条件的统一蓝图就绪报告"
+
+    def add_arguments(self, parser):
+        parser.add_argument("--evidence", help="外部验收证据 JSON；不得包含任何凭据")
+        parser.add_argument(
+            "--recovery-evidence",
+            help="隔离恢复演练 JSON；默认读取仓库内最新已登记记录",
+        )
+        parser.add_argument(
+            "--include-synthetic",
+            action="store_true",
+            help="包含合成案例用于诊断；合成案例不会使阶段 2/3 通过",
+        )
+        parser.add_argument(
+            "--format",
+            choices=["text", "json"],
+            default="text",
+            dest="output_format",
+        )
+        parser.add_argument("--output", help="可选 JSON 报告输出路径")
+        parser.add_argument(
+            "--fail-on-not-ready",
+            action="store_true",
+            help="任一蓝图退出条件未满足时返回非零退出码",
+        )
+
+    def handle(self, *args, **options):
+        workspace_root = Path(settings.BASE_DIR)
+        recovery_path = Path(
+            options.get("recovery_evidence")
+            or workspace_root / "docs/operations/recovery-drill-2026-07-27.json"
+        )
+        external = _load_json(options.get("evidence"), label="外部验收证据")
+        recovery = _load_json(recovery_path, label="隔离恢复证据")
+        report = build_blueprint_readiness_report(
+            include_synthetic=options["include_synthetic"],
+            external_evidence=external,
+            recovery_evidence=recovery,
+        )
+        report_json = json.dumps(report, ensure_ascii=False, indent=2)
+
+        output_path = options.get("output")
+        if output_path:
+            path = Path(output_path)
+            path.parent.mkdir(parents=True, exist_ok=True)
+            path.write_text(f"{report_json}\n", encoding="utf-8")
+
+        if options["output_format"] == "json":
+            self.stdout.write(report_json)
+        else:
+            summary = report["summary"]
+            self.stdout.write(
+                f"蓝图验收状态：{report['status']}；"
+                f"已通过 {summary['passed_gate_count']}/{summary['total_gate_count']}；"
+                f"剩余 {summary['remaining_gate_count']}"
+            )
+            for gate in report["gates"]:
+                marker = "通过" if gate["status"] == "passed" else "待验收"
+                self.stdout.write(f"[{marker}] {gate['title']}")
+                for reason in gate["reasons"]:
+                    self.stdout.write(self.style.WARNING(f"  - {reason}"))
+            if output_path:
+                self.stdout.write(f"JSON 报告：{Path(output_path).resolve()}")
+
+        if options["fail_on_not_ready"] and not report["exit_ready"]:
+            raise CommandError("产品蓝图尚未满足全部退出条件")
+
+
+def _load_json(path_value, *, label: str):
+    if not path_value:
+        return None
+    path = Path(path_value)
+    if not path.exists():
+        return None
+    try:
+        payload = json.loads(path.read_text(encoding="utf-8"))
+    except (OSError, json.JSONDecodeError) as error:
+        raise CommandError(f"{label}无法读取：{error}") from error
+    if not isinstance(payload, dict):
+        raise CommandError(f"{label}必须是 JSON 对象")
+    return payload