feat: 分离 Alpha 检查与提交限制，优化检查统计与前端展示

backend/app/alphas.py

@@ -7,6 +7,7 @@ from datetime import datetime
 from sqlalchemy import or_, select, update
 
 from .models import Alpha, Research, ResearchTag, SelfCorrelation, now
+from .platform_checks import split_checks, submission_limits
 from .research.provenance import source_alpha_ids
 
 METRIC_FIELDS = (
@@ -16,23 +17,24 @@ METRIC_FIELDS = (
 
 
 def failed_checks(checks):
-    """Return failed platform check names; local correlation never changes this list."""
+    """Return failed Alpha check names, excluding submission limits and local correlation."""
     return [
         check.get("name") if isinstance(check.get("name"), str) else "未命名检查"
-        for check in checks if isinstance(check, dict) and check.get("result") == "FAIL"
+        for check in split_checks(checks)[0] if isinstance(check, dict) and check.get("result") == "FAIL"
     ] if isinstance(checks, list) else []
 
 
 def snapshot_columns(settings, metrics, checks):
     """Derive list fields from a platform snapshot, preserving missing metrics as null.
 
-    Only explicit FAIL results count. Empty, malformed and unfinished checks are
+    Submission limits are excluded. Only explicit Alpha FAIL results count.
+    Empty, malformed and unfinished Alpha checks are
     pending; all known checks passing without PROD_CORRELATION is only a pre-check.
     No submission eligibility or activity eligibility is inferred here.
     """
     settings = settings if isinstance(settings, dict) else {}
     metrics = metrics if isinstance(metrics, dict) else {}
-    checks = checks if isinstance(checks, list) else []
+    checks, _ = split_checks(checks)
     valid = [check for check in checks if isinstance(check, dict)]
     failures = len(failed_checks(checks))
     by_name = {check["name"]: check for check in valid if isinstance(check.get("name"), str)}
@@ -64,6 +66,15 @@ def snapshot_columns(settings, metrics, checks):
     }
 
 
+def check_summary(checks):
+    """Separate cached Alpha findings from submission limits; infer no live eligibility."""
+    return {
+        "check_type": snapshot_columns({}, {}, checks)["check_type"],
+        "failed_checks": failed_checks(checks),
+        "submission_limits": submission_limits(checks),
+    }
+
+
 def submission_condition(submission):
     """Match the platform list contract; a missing status is never assumed submitted."""
     return Alpha.status == "UNSUBMITTED" if submission == "UNSUBMITTED" else Alpha.status != "UNSUBMITTED"