Refactor API integration and enhance command handling

- Removed unused modules and updated module paths for clarity.
- Added autocomplete functionality for command input in InputState.
- Updated AppStateRest to include a method for checking if a turn is in flight.
- Refactored subagent engine to use new API client structure.
- Changed default provider from "openrouter" to "zen" with updated API keys and models.
- Implemented tests for memory management and edit log functionalities.
- Enhanced error handling in API requests and improved response parsing.
- Updated UI components to reflect new API provider and status indicators.

src/dto/provider/mod.rs

@@ -0,0 +1,3 @@
+pub mod request;
+pub mod response;
+pub mod usage;

src/dto/provider/request.rs

@@ -0,0 +1,34 @@
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ChatRequest {
+    pub model: String,
+    pub messages: Vec<super::super::chat::message::ChatMessage>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub max_tokens: Option<u32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub temperature: Option<f32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tools: Option<Vec<ToolDef>>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub stream: Option<bool>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub top_p: Option<f32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub stop: Option<Vec<String>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ToolDef {
+    #[serde(rename = "type")]
+    pub type_: String,
+    pub function: ToolFunctionDef,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ToolFunctionDef {
+    pub name: String,
+    pub description: String,
+    pub parameters: Value,
+}

src/dto/provider/response.rs

@@ -0,0 +1,57 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ChatResponse {
+    pub id: String,
+    pub model: String,
+    pub choices: Vec<Choice>,
+    pub usage: Option<super::usage::Usage>,
+    pub created: Option<i64>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Choice {
+    pub index: u32,
+    pub message: super::super::chat::message::ChatMessage,
+    pub finish_reason: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct StreamChunk {
+    pub id: Option<String>,
+    pub model: Option<String>,
+    pub choices: Vec<StreamChoice>,
+    pub usage: Option<super::usage::Usage>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct StreamChoice {
+    pub index: u32,
+    pub delta: Delta,
+    pub finish_reason: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Delta {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub role: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub content: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tool_calls: Option<Vec<DeltaToolCall>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DeltaToolCall {
+    pub index: u32,
+    pub id: Option<String>,
+    #[serde(rename = "type")]
+    pub type_: Option<String>,
+    pub function: Option<DeltaFunction>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DeltaFunction {
+    pub name: Option<String>,
+    pub arguments: Option<String>,
+}

src/dto/provider/usage.rs

@@ -0,0 +1,18 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct Usage {
+    pub prompt_tokens: Option<u32>,
+    pub completion_tokens: Option<u32>,
+    pub total_tokens: Option<u32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub prompt_tokens_cost: Option<f64>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub completion_tokens_cost: Option<f64>,
+}
+
+impl Usage {
+    pub fn total(&self) -> u32 {
+        self.total_tokens.unwrap_or(0)
+    }
+}