diff --git a/Cargo.toml b/Cargo.toml
index e658eaa..4f6856e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ diesel_migrations = { workspace = true }
 wiremock = { workspace = true }
 cookie = { workspace = true }
 mockito = { workspace = true }
-reqwest = { workspace = true, features = ["json", "cookies", "blocking"] }
+reqwest = { workspace = true, features = ["json", "cookies", "blocking", "rustls-tls"] }
 
 # Web/E2E testing - using Chrome DevTools Protocol directly (no chromedriver)
 chromiumoxide = { workspace = true }
diff --git a/src/bot/mod.rs b/src/bot/mod.rs
index e478362..debc4fc 100644
--- a/src/bot/mod.rs
+++ b/src/bot/mod.rs
@@ -19,7 +19,9 @@ pub struct BotResponse {
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
+#[derive(Default)]
 pub enum ResponseContentType {
+    #[default]
     Text,
     Image,
     Audio,
@@ -31,11 +33,6 @@ pub enum ResponseContentType {
     Contact,
 }
 
-impl Default for ResponseContentType {
-    fn default() -> Self {
-        Self::Text
-    }
-}
 
 #[derive(Debug, Clone)]
 pub struct AssertionResult {
@@ -114,7 +111,9 @@ pub struct AssertionRecord {
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Default)]
 pub enum ConversationState {
+    #[default]
     Initial,
     WaitingForUser,
     WaitingForBot,
@@ -123,11 +122,6 @@ pub enum ConversationState {
     Error,
 }
 
-impl Default for ConversationState {
-    fn default() -> Self {
-        Self::Initial
-    }
-}
 
 #[cfg(test)]
 mod tests {
diff --git a/src/bot/runner.rs b/src/bot/runner.rs
index edc239d..563c0c6 100644
--- a/src/bot/runner.rs
+++ b/src/bot/runner.rs
@@ -32,19 +32,16 @@ impl Default for BotRunnerConfig {
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Default)]
 pub enum LogLevel {
     Trace,
     Debug,
+    #[default]
     Info,
     Warn,
     Error,
 }
 
-impl Default for LogLevel {
-    fn default() -> Self {
-        Self::Info
-    }
-}
 
 pub struct BotRunner {
     config: BotRunnerConfig,
diff --git a/src/fixtures/mod.rs b/src/fixtures/mod.rs
index 76e86a2..5abd796 100644
--- a/src/fixtures/mod.rs
+++ b/src/fixtures/mod.rs
@@ -33,18 +33,15 @@ impl Default for User {
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
+#[derive(Default)]
 pub enum Role {
     Admin,
     Attendant,
+    #[default]
     User,
     Guest,
 }
 
-impl Default for Role {
-    fn default() -> Self {
-        Self::User
-    }
-}
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Customer {
@@ -78,7 +75,9 @@ impl Default for Customer {
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
 #[allow(clippy::upper_case_acronyms)]
+#[derive(Default)]
 pub enum Channel {
+    #[default]
     WhatsApp,
     Teams,
     Web,
@@ -87,11 +86,6 @@ pub enum Channel {
     API,
 }
 
-impl Default for Channel {
-    fn default() -> Self {
-        Self::WhatsApp
-    }
-}
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Bot {
@@ -155,18 +149,15 @@ impl Default for Session {
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
+#[derive(Default)]
 pub enum SessionState {
+    #[default]
     Active,
     Waiting,
     Transferred,
     Ended,
 }
 
-impl Default for SessionState {
-    fn default() -> Self {
-        Self::Active
-    }
-}
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Message {
@@ -202,7 +193,9 @@ pub enum MessageDirection {
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
+#[derive(Default)]
 pub enum ContentType {
+    #[default]
     Text,
     Image,
     Audio,
@@ -213,11 +206,6 @@ pub enum ContentType {
     Interactive,
 }
 
-impl Default for ContentType {
-    fn default() -> Self {
-        Self::Text
-    }
-}
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct QueueEntry {
@@ -248,22 +236,21 @@ impl Default for QueueEntry {
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
+#[derive(Default)]
 pub enum Priority {
     Low = 0,
+    #[default]
     Normal = 1,
     High = 2,
     Urgent = 3,
 }
 
-impl Default for Priority {
-    fn default() -> Self {
-        Self::Normal
-    }
-}
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
+#[derive(Default)]
 pub enum QueueStatus {
+    #[default]
     Waiting,
     Assigned,
     InProgress,
@@ -271,11 +258,6 @@ pub enum QueueStatus {
     Cancelled,
 }
 
-impl Default for QueueStatus {
-    fn default() -> Self {
-        Self::Waiting
-    }
-}
 
 #[must_use]
 pub fn admin_user() -> User {
diff --git a/src/web/browser.rs b/src/web/browser.rs
index 0d34aea..b038a0b 100644
--- a/src/web/browser.rs
+++ b/src/web/browser.rs
@@ -15,18 +15,15 @@ use super::{Cookie, Key, Locator, WaitCondition};
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
+#[derive(Default)]
 pub enum BrowserType {
+    #[default]
     Chrome,
     Firefox,
     Safari,
     Edge,
 }
 
-impl Default for BrowserType {
-    fn default() -> Self {
-        Self::Chrome
-    }
-}
 
 impl BrowserType {
     #[must_use]