Refactor data sources and feed model

IrisCompanion/iris/Views/CandidatesView.swift

@@ -75,7 +75,7 @@ struct CandidatesView: View {
 }
 
 private struct CandidateRow: View {
-    let candidate: Candidate
+    let candidate: FeedItem
 
     var body: some View {
         VStack(alignment: .leading, spacing: 6) {
@@ -88,29 +88,22 @@ private struct CandidateRow: View {
                     .font(.caption)
                     .foregroundStyle(.secondary)
             }
-            Text(candidate.subtitle)
-                .font(.subheadline)
-                .foregroundStyle(.secondary)
-                .lineLimit(1)
+            if !candidate.subtitle.isEmpty {
+                Text(candidate.subtitle)
+                    .font(.subheadline)
+                    .foregroundStyle(.secondary)
+                    .lineLimit(1)
+            }
 
             HStack(spacing: 12) {
-                Text(String(format: "conf %.2f", candidate.confidence))
+                Text(String(format: "prio %.2f", candidate.priority))
                 Text("ttl \(candidate.ttlSec)s")
-                Text(expiresText(now: Int(Date().timeIntervalSince1970)))
             }
             .font(.caption)
             .foregroundStyle(.secondary)
         }
         .padding(.vertical, 4)
     }
-
-    private func expiresText(now: Int) -> String {
-        let expiresAt = candidate.createdAt + candidate.ttlSec
-        let remaining = expiresAt - now
-        if remaining <= 0 { return "expired" }
-        if remaining < 60 { return "in \(remaining)s" }
-        return "in \(remaining / 60)m"
-    }
 }
 
 struct CandidatesView_Previews: PreviewProvider {