BREAKING CHANGE(smart-proxy): move certificate persistence to an in-memory store and introduce consumer-managed certStore API; add default self-signed fallback cert and change ACME account handling

rust/crates/rustproxy-tls/src/cert_manager.rs

@@ -9,8 +9,6 @@ use crate::acme::AcmeClient;
 pub enum CertManagerError {
     #[error("ACME provisioning failed for {domain}: {message}")]
     AcmeFailure { domain: String, message: String },
-    #[error("Certificate store error: {0}")]
-    Store(#[from] crate::cert_store::CertStoreError),
     #[error("No ACME email configured")]
     NoEmail,
 }
@@ -46,25 +44,19 @@ impl CertManager {
 
     /// Create an ACME client using this manager's configuration.
     /// Returns None if no ACME email is configured.
-    /// Account credentials are persisted in the cert store base directory.
     pub fn acme_client(&self) -> Option<AcmeClient> {
         self.acme_email.as_ref().map(|email| {
-            AcmeClient::with_persistence(
-                email.clone(),
-                self.use_production,
-                self.store.base_dir(),
-            )
+            AcmeClient::new(email.clone(), self.use_production)
         })
     }
 
-    /// Load a static certificate into the store.
+    /// Load a static certificate into the store (infallible — pure cache insert).
     pub fn load_static(
         &mut self,
         domain: String,
         bundle: CertBundle,
-    ) -> Result<(), CertManagerError> {
-        self.store.store(domain, bundle)?;
-        Ok(())
+    ) {
+        self.store.store(domain, bundle);
     }
 
     /// Check and return domains that need certificate renewal.
@@ -153,19 +145,12 @@ impl CertManager {
             },
         };
 
-        self.store.store(domain.to_string(), bundle.clone())?;
+        self.store.store(domain.to_string(), bundle.clone());
         info!("Certificate renewed and stored for {}", domain);
 
         Ok(bundle)
     }
 
-    /// Load all certificates from disk.
-    pub fn load_all(&mut self) -> Result<usize, CertManagerError> {
-        let loaded = self.store.load_all()?;
-        info!("Loaded {} certificates from store", loaded);
-        Ok(loaded)
-    }
-
     /// Whether this manager has an ACME email configured.
     pub fn has_acme(&self) -> bool {
         self.acme_email.is_some()