chore: fix clippy warnings

- Derive Default for config structs instead of manual impl
- Fix doc comment formatting in ArchiveConfig::matches
- Collapse nested if statement in validate_announcement
- Allow too_many_arguments for SyncManager::new

src/config.rs

@@ -109,7 +109,7 @@ impl WhitelistEntry {
 }
 
 /// GRASP-05 Archive mode configuration
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct ArchiveConfig {
     /// Accept all repository announcements (no filtering)
     ///
@@ -146,6 +146,7 @@ impl ArchiveConfig {
     /// Returns true if:
     /// - archive_all is true, OR
     /// - announcement matches any whitelist entry
+    ///
     /// Note: grasp_services matching is handled via matches_grasp_services()
     pub fn matches(&self, npub: &str, identifier: &str) -> bool {
         if self.archive_all {
@@ -171,19 +172,8 @@ impl ArchiveConfig {
     }
 }
 
-impl Default for ArchiveConfig {
-    fn default() -> Self {
-        Self {
-            archive_all: false,
-            whitelist: Vec::new(),
-            grasp_services: Vec::new(),
-            read_only: false,
-        }
-    }
-}
-
 /// Repository whitelist configuration
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct RepositoryConfig {
     /// Whitelist entries for selective repository acceptance
     ///
@@ -207,16 +197,8 @@ impl RepositoryConfig {
     }
 }
 
-impl Default for RepositoryConfig {
-    fn default() -> Self {
-        Self {
-            whitelist: Vec::new(),
-        }
-    }
-}
-
 /// Repository blacklist configuration
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct BlacklistConfig {
     /// Blacklist entries for blocking specific repositories
     ///
@@ -256,16 +238,8 @@ impl BlacklistConfig {
     }
 }
 
-impl Default for BlacklistConfig {
-    fn default() -> Self {
-        Self {
-            blacklist: Vec::new(),
-        }
-    }
-}
-
 /// Event blacklist configuration for blocking events by author npub
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct EventBlacklistConfig {
     /// Blacklisted npubs - events from these authors are rejected
     ///
@@ -292,14 +266,6 @@ impl EventBlacklistConfig {
     }
 }
 
-impl Default for EventBlacklistConfig {
-    fn default() -> Self {
-        Self {
-            blacklisted_npubs: Vec::new(),
-        }
-    }
-}
-
 /// Database backend type for the relay
 #[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq, Default, ValueEnum)]
 #[serde(rename_all = "lowercase")]

src/nostr/events.rs

@@ -419,14 +419,14 @@ pub fn validate_announcement(
     // GRASP-01: Normal mode - accept if announcement lists our service AND matches repository whitelist (if enabled)
     if lists_service && !archive_config.read_only {
         // Check repository whitelist if enabled
-        if repository_config.enabled() {
-            if !repository_config.matches(&npub, &announcement.identifier) {
-                return AnnouncementResult::Reject(format!(
-                    "Announcement lists service but does not match repository whitelist. \
+        if repository_config.enabled()
+            && !repository_config.matches(&npub, &announcement.identifier)
+        {
+            return AnnouncementResult::Reject(format!(
+                "Announcement lists service but does not match repository whitelist. \
                      Repository {}/{} not in whitelist",
-                    npub, announcement.identifier
-                ));
-            }
+                npub, announcement.identifier
+            ));
         }
         return AnnouncementResult::Accept;
     }

src/sync/mod.rs

@@ -584,6 +584,7 @@ impl SyncManager {
     /// * `config` - Configuration for sync settings
     /// * `data_path` - Path to git data directory (for persistence)
     /// * `sync_metrics` - Optional pre-registered SyncMetrics (passed from Metrics if metrics are enabled)
+    #[allow(clippy::too_many_arguments)]
     pub fn new(
         bootstrap_relay_url: Option<String>,
         service_domain: String,