feat(manifold): audit matching quality with ManifoldMatchResult and manifold_match_audit table

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

bot/risk/manager.py

@@ -62,6 +62,17 @@ class Order:
     feat_news_lo:    float = 0.0
     feat_mfld_lo:    float = 0.0
     feat_btc_dom_lo: float = 0.0
+    # Manifold audit fields (propagated from TradingSignal → Trade → DB)
+    mfld_audit_id:    Optional[str]   = None
+    mfld_market_id:   Optional[str]   = None
+    mfld_market_title: Optional[str]  = None
+    mfld_market_url:  Optional[str]   = None
+    mfld_prob_raw:    Optional[float] = None
+    mfld_prob_final:  Optional[float] = None
+    mfld_inverted:    bool            = False
+    mfld_match_score: Optional[float] = None
+    mfld_match_reason: Optional[str]  = None
+    mfld_match_status: Optional[str]  = None
 
 
 class RiskManager:
@@ -159,4 +170,15 @@ class RiskManager:
             feat_news_lo=signal.feat_news_lo,
             feat_mfld_lo=signal.feat_mfld_lo,
             feat_btc_dom_lo=signal.feat_btc_dom_lo,
+            # Manifold audit
+            mfld_audit_id=signal.mfld_audit_id,
+            mfld_market_id=signal.mfld_market_id,
+            mfld_market_title=signal.mfld_market_title,
+            mfld_market_url=signal.mfld_market_url,
+            mfld_prob_raw=signal.mfld_prob_raw,
+            mfld_prob_final=signal.mfld_prob_final,
+            mfld_inverted=signal.mfld_inverted,
+            mfld_match_score=signal.mfld_match_score,
+            mfld_match_reason=signal.mfld_match_reason,
+            mfld_match_status=signal.mfld_match_status,
         )