Settings refactor (#38367)

Co-Authored-By: Ben K <ben@zed.dev>
Co-Authored-By: Anthony <anthony@zed.dev>
Co-Authored-By: Mikayla <mikayla@zed.dev>

Release Notes:

- settings: Major internal changes to settings. The primary user-facing
effect is that some settings which did not make sense in project
settings files are no-longer read from there. (For example the inline
blame settings)

---------

Co-authored-by: Ben Kunkle <ben@zed.dev>
Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>
Co-authored-by: Anthony <anthony@zed.dev>

crates/agent_servers/src/claude.rs

@@ -45,8 +45,13 @@ impl AgentServer for ClaudeCode {
     }
 
     fn set_default_mode(&self, mode_id: Option<acp::SessionModeId>, fs: Arc<dyn Fs>, cx: &mut App) {
-        update_settings_file::<AllAgentServersSettings>(fs, cx, |settings, _| {
-            settings.claude.get_or_insert_default().default_mode = mode_id.map(|m| m.to_string())
+        update_settings_file(fs, cx, |settings, _| {
+            settings
+                .agent_servers
+                .get_or_insert_default()
+                .claude
+                .get_or_insert_default()
+                .default_mode = mode_id.map(|m| m.to_string())
         });
     }
 

crates/agent_servers/src/custom.rs

@@ -49,8 +49,14 @@ impl crate::AgentServer for CustomAgentServer {
 
     fn set_default_mode(&self, mode_id: Option<acp::SessionModeId>, fs: Arc<dyn Fs>, cx: &mut App) {
         let name = self.name();
-        update_settings_file::<AllAgentServersSettings>(fs, cx, move |settings, _| {
-            settings.custom.get_mut(&name).unwrap().default_mode = mode_id.map(|m| m.to_string())
+        update_settings_file(fs, cx, move |settings, _| {
+            settings
+                .agent_servers
+                .get_or_insert_default()
+                .custom
+                .get_mut(&name)
+                .unwrap()
+                .default_mode = mode_id.map(|m| m.to_string())
         });
     }