improve debug formatting of config

signal-gateway/src/gateway/signal_trust_set.rs

@@ -15,10 +15,16 @@ use std::str::FromStr;
 use tracing::{debug, info, warn};
 
 /// A validated Signal UUID in the format `xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx`.
-#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize)]
+#[derive(Clone, PartialEq, Eq, Hash, Deserialize)]
 #[serde(try_from = "String")]
 pub struct Uuid(String);
 
+impl fmt::Debug for Uuid {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, f)
+    }
+}
+
 impl FromStr for Uuid {
     type Err = String;
 
@@ -98,10 +104,16 @@ impl fmt::Display for Uuid {
 }
 
 /// A validated Signal safety number (60 digits, optionally separated by whitespace).
-#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize)]
+#[derive(Clone, PartialEq, Eq, Hash, Deserialize)]
 #[serde(try_from = "String")]
 pub struct SafetyNumber(String);
 
+impl fmt::Debug for SafetyNumber {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, f)
+    }
+}
+
 impl FromStr for SafetyNumber {
     type Err = String;
 
@@ -175,11 +187,17 @@ impl fmt::Display for SafetyNumber {
 /// Can be deserialized from either:
 /// - A map of UUID -> safety numbers: `{"uuid1": ["12345..."], "uuid2": []}`
 /// - A sequence of UUIDs (no safety numbers): `["uuid1", "uuid2"]`
-#[derive(Clone, Debug, Default)]
+#[derive(Clone, Default)]
 pub struct SignalTrustSet {
     map: HashMap<Uuid, Vec<SafetyNumber>>,
 }
 
+impl fmt::Debug for SignalTrustSet {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&self.map, f)
+    }
+}
+
 impl SignalTrustSet {
     /// Create an empty container.
     pub fn new() -> Self {

signal-gateway/src/log_message.rs

@@ -269,7 +269,7 @@ impl Origin {
 /// Filter criteria for matching log messages.
 ///
 /// All non-empty fields must match for the filter to pass.
-#[derive(Clone, Debug, Default, Deserialize)]
+#[derive(Clone, Default, Deserialize)]
 pub struct LogFilter {
     /// If non-empty, the message must contain this substring.
     #[serde(default)]
@@ -285,6 +285,25 @@ pub struct LogFilter {
     pub line_equals: String,
 }
 
+impl std::fmt::Debug for LogFilter {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let mut s = f.debug_struct("LogFilter");
+        if !self.msg_contains.is_empty() {
+            s.field("msg_contains", &self.msg_contains);
+        }
+        if !self.module_equals.is_empty() {
+            s.field("module_equals", &self.module_equals);
+        }
+        if !self.file_equals.is_empty() {
+            s.field("file_equals", &self.file_equals);
+        }
+        if !self.line_equals.is_empty() {
+            s.field("line_equals", &self.line_equals);
+        }
+        s.finish()
+    }
+}
+
 impl LogFilter {
     /// Check if a log message matches this filter.
     ///