feat(reputation): transfer blockers, profile checkpoint, delete rebate, bulk lookups

contracts/reputation/src/profile.rs

@@ -101,6 +101,7 @@ pub struct Profile {
     pub last_activity: u64,
     /// Per-tier badge metadata URIs set by the admin.
     pub badge_metadata: soroban_sdk::Vec<BadgeMetadataEntry>,
+    pub transfer_blocked: bool,
     pub client_badge: BadgeLevel,
     pub freelancer_badge: BadgeLevel,
 }
@@ -116,6 +117,7 @@ impl Profile {
             metadata_hash: None,
             last_activity: 0,
             badge_metadata: soroban_sdk::Vec::new(env),
+            transfer_blocked: true,
             client_badge: BadgeLevel::Bronze,
             freelancer_badge: BadgeLevel::Bronze,
         }

contracts/reputation/src/storage.rs

@@ -33,3 +33,18 @@ pub fn write_profile(env: &Env, address: &Address, profile: &Profile) {
         .persistent()
         .extend_ttl(&key, PERSISTENT_TTL_THRESHOLD, PERSISTENT_TTL_EXTEND_TO);
 }
+
+pub fn profile_exists(env: &Env, address: &Address) -> bool {
+    let key = StorageKey::Profile(address.clone());
+    env.storage().persistent().has(&key)
+}
+
+pub fn delete_profile(env: &Env, address: &Address) -> bool {
+    let key = StorageKey::Profile(address.clone());
+    if env.storage().persistent().has(&key) {
+        env.storage().persistent().remove(&key);
+        true
+    } else {
+        false
+    }
+}