20260626_2 优化child证书缓存并修复远端发布

src/validation/tree.rs

@@ -196,10 +196,16 @@ pub struct PublicationPointRunResult {
     pub discovered_children: Vec<DiscoveredChildCaInstance>,
 }
 
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct DiscoveredChildEntryProjection {
+    pub child_ski: String,
+}
+
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct DiscoveredChildCaInstance {
     pub handle: CaInstanceHandle,
     pub discovered_from: DiscoveredFrom,
+    pub child_entry_projection: Option<DiscoveredChildEntryProjection>,
 }
 
 #[derive(Clone, Debug, PartialEq, Eq)]
@@ -495,6 +501,7 @@ mod tests {
                             .to_string(),
                         child_ca_certificate_sha256_hex: "00".repeat(32),
                     },
+                    child_entry_projection: None,
                 }]
             } else {
                 Vec::new()