Rename assistant_settings to agent_settings (#31513)

This PR renames the `assistant_settings` crate to `agent_settings`, as
well a number of constructs within it.

Release Notes:

- N/A

crates/agent_settings/Cargo.toml

@@ -0,0 +1,39 @@
+[package]
+name = "agent_settings"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/agent_settings.rs"
+
+[dependencies]
+anthropic = { workspace = true, features = ["schemars"] }
+anyhow.workspace = true
+collections.workspace = true
+gpui.workspace = true
+indexmap.workspace = true
+language_model.workspace = true
+lmstudio = { workspace = true, features = ["schemars"] }
+log.workspace = true
+ollama = { workspace = true, features = ["schemars"] }
+open_ai = { workspace = true, features = ["schemars"] }
+deepseek = { workspace = true, features = ["schemars"] }
+mistral = { workspace = true, features = ["schemars"] }
+schemars.workspace = true
+serde.workspace = true
+settings.workspace = true
+workspace-hack.workspace = true
+zed_llm_client.workspace = true
+
+[dev-dependencies]
+fs.workspace = true
+gpui = { workspace = true, features = ["test-support"] }
+paths.workspace = true
+serde_json_lenient.workspace = true
+serde_json.workspace = true
+settings = { workspace = true, features = ["test-support"] }

crates/agent_settings/LICENSE-GPL

@@ -0,0 +1 @@
+../../LICENSE-GPL

crates/agent_settings/src/agent_profile.rs

@@ -0,0 +1,77 @@
+use std::sync::Arc;
+
+use collections::IndexMap;
+use gpui::SharedString;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+
+pub mod builtin_profiles {
+    use super::AgentProfileId;
+
+    pub const WRITE: &str = "write";
+    pub const ASK: &str = "ask";
+    pub const MINIMAL: &str = "minimal";
+
+    pub fn is_builtin(profile_id: &AgentProfileId) -> bool {
+        profile_id.as_str() == WRITE || profile_id.as_str() == ASK || profile_id.as_str() == MINIMAL
+    }
+}
+
+#[derive(Default)]
+pub struct GroupedAgentProfiles {
+    pub builtin: IndexMap<AgentProfileId, AgentProfile>,
+    pub custom: IndexMap<AgentProfileId, AgentProfile>,
+}
+
+impl GroupedAgentProfiles {
+    pub fn from_settings(settings: &crate::AgentSettings) -> Self {
+        let mut builtin = IndexMap::default();
+        let mut custom = IndexMap::default();
+
+        for (profile_id, profile) in settings.profiles.clone() {
+            if builtin_profiles::is_builtin(&profile_id) {
+                builtin.insert(profile_id, profile);
+            } else {
+                custom.insert(profile_id, profile);
+            }
+        }
+
+        Self { builtin, custom }
+    }
+}
+
+#[derive(Debug, PartialEq, Eq, Hash, Clone, Serialize, Deserialize, JsonSchema)]
+pub struct AgentProfileId(pub Arc<str>);
+
+impl AgentProfileId {
+    pub fn as_str(&self) -> &str {
+        &self.0
+    }
+}
+
+impl std::fmt::Display for AgentProfileId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
+impl Default for AgentProfileId {
+    fn default() -> Self {
+        Self("write".into())
+    }
+}
+
+/// A profile for the Zed Agent that controls its behavior.
+#[derive(Debug, Clone)]
+pub struct AgentProfile {
+    /// The name of the profile.
+    pub name: SharedString,
+    pub tools: IndexMap<Arc<str>, bool>,
+    pub enable_all_context_servers: bool,
+    pub context_servers: IndexMap<Arc<str>, ContextServerPreset>,
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct ContextServerPreset {
+    pub tools: IndexMap<Arc<str>, bool>,
+}