feat: greet on connect

src-tauri/src/config.rs

@@ -40,6 +40,16 @@ pub struct HikariConfig {
 
     #[serde(default)]
     pub theme: Theme,
+
+    #[serde(default = "default_greeting_enabled")]
+    pub greeting_enabled: bool,
+
+    #[serde(default)]
+    pub greeting_custom_prompt: Option<String>,
+}
+
+fn default_greeting_enabled() -> bool {
+    true
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, Default, PartialEq)]
@@ -63,6 +73,8 @@ mod tests {
         assert!(config.mcp_servers_json.is_none());
         assert!(config.auto_granted_tools.is_empty());
         assert_eq!(config.theme, Theme::Dark);
+        assert!(!config.greeting_enabled);
+        assert!(config.greeting_custom_prompt.is_none());
     }
 
     #[test]
@@ -74,6 +86,8 @@ mod tests {
             mcp_servers_json: None,
             auto_granted_tools: vec!["Read".to_string(), "Glob".to_string()],
             theme: Theme::Light,
+            greeting_enabled: true,
+            greeting_custom_prompt: Some("Hello!".to_string()),
         };
 
         let json = serde_json::to_string(&config).unwrap();
@@ -83,6 +97,8 @@ mod tests {
         assert_eq!(deserialized.custom_instructions, config.custom_instructions);
         assert_eq!(deserialized.auto_granted_tools, config.auto_granted_tools);
         assert_eq!(deserialized.theme, Theme::Light);
+        assert!(deserialized.greeting_enabled);
+        assert_eq!(deserialized.greeting_custom_prompt, Some("Hello!".to_string()));
     }
 
     #[test]