Ship Tier A Week 1–2: posture glossary, delivery mode, freshness UI, canonical tokens.

Expose mission-control mode on home/bridge/analytics, quiet-chain freshness copy, and a canonical-first indexed token list with WETH9 metadata override and non-canonical warnings.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/track1/bridge_status_data.go

@@ -133,6 +133,8 @@ func (s *Server) BuildBridgeStatusData(ctx context.Context) map[string]interface
 	}
 	if s.freshnessLoader != nil {
 		if snapshot, completeness, sampling, diagnostics, err := s.freshnessLoader(ctx); err == nil && snapshot != nil {
+			txFeed := completeness.TransactionsFeed
+			resolvedMode := resolveBridgeDeliveryMode(false, diagnostics, txFeed)
 			subsystems := map[string]interface{}{
 				"rpc_head": map[string]interface{}{
 					"status":       chainStatusFromProbe(p138),
@@ -174,39 +176,13 @@ func (s *Server) BuildBridgeStatusData(ctx context.Context) map[string]interface
 					"issues":       sampling.Issues,
 				}
 			}
-			modeKind := "live"
-			modeReason := any(nil)
-			modeScope := any(nil)
-			if relays, ok := data["ccip_relays"].(map[string]interface{}); ok && len(relays) > 0 {
-				modeKind = "snapshot"
-				modeReason = "live_homepage_stream_not_attached"
-				modeScope = "relay_monitoring_homepage_card_only"
-				subsystems["bridge_relay_monitoring"] = map[string]interface{}{
-					"status":       overall,
-					"updated_at":   now,
-					"age_seconds":  int64(0),
-					"source":       freshness.SourceReported,
-					"confidence":   freshness.ConfidenceHigh,
-					"provenance":   freshness.ProvenanceMissionFeed,
-					"completeness": freshness.CompletenessComplete,
-				}
-			}
 			data["freshness"] = snapshot
 			data["subsystems"] = subsystems
 			data["sampling"] = sampling
 			if diagnostics != nil {
 				data["diagnostics"] = diagnostics
 			}
-			data["mode"] = map[string]interface{}{
-				"kind":        modeKind,
-				"updated_at":  now,
-				"age_seconds": int64(0),
-				"reason":      modeReason,
-				"scope":       modeScope,
-				"source":      freshness.SourceReported,
-				"confidence":  freshness.ConfidenceHigh,
-				"provenance":  freshness.ProvenanceMissionFeed,
-			}
+			data["mode"] = buildBridgeModePayload(now, resolvedMode)
 		}
 	}
 	if relays := FetchCCIPRelayHealths(ctx); relays != nil {
@@ -224,9 +200,22 @@ func (s *Server) BuildBridgeStatusData(ctx context.Context) map[string]interface
 	}
 	if mode, ok := data["mode"].(map[string]interface{}); ok {
 		if relays, ok := data["ccip_relays"].(map[string]interface{}); ok && len(relays) > 0 {
-			mode["kind"] = "snapshot"
-			mode["reason"] = "live_homepage_stream_not_attached"
-			mode["scope"] = "relay_monitoring_homepage_card_only"
+			var diagnostics *freshness.Diagnostics
+			if diag, ok := data["diagnostics"].(*freshness.Diagnostics); ok {
+				diagnostics = diag
+			}
+			txFeed := freshness.CompletenessUnavailable
+			if subsystems, ok := data["subsystems"].(map[string]interface{}); ok {
+				if txIndex, ok := subsystems["tx_index"].(map[string]interface{}); ok {
+					if feed, ok := txIndex["completeness"].(freshness.Completeness); ok {
+						txFeed = feed
+					}
+				}
+			}
+			resolved := resolveBridgeDeliveryMode(true, diagnostics, txFeed)
+			mode["kind"] = resolved.Kind
+			mode["reason"] = resolved.Reason
+			mode["scope"] = resolved.Scope
 			if subsystems, ok := data["subsystems"].(map[string]interface{}); ok {
 				subsystems["bridge_relay_monitoring"] = map[string]interface{}{
 					"status":       data["status"],
@@ -239,6 +228,9 @@ func (s *Server) BuildBridgeStatusData(ctx context.Context) map[string]interface
 				}
 			}
 		}
+	} else if relays, ok := data["ccip_relays"].(map[string]interface{}); ok && len(relays) > 0 {
+		resolved := resolveBridgeDeliveryMode(true, nil, freshness.CompletenessUnavailable)
+		data["mode"] = buildBridgeModePayload(now, resolved)
 	}
 	return data
 }