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/view/chat.rs

@@ -98,6 +98,17 @@ pub fn draw_chat(frame: &mut Frame, area: Rect, state: &crate::app::state::rest:
         display_lines.push(Line::from(Span::raw("")));
     }
 
+    if state.turn_in_flight() {
+        let last_is_user = messages.last().map(|m| matches!(m.role, crate::dto::chat::message::Role::User)).unwrap_or(false);
+        if last_is_user {
+            display_lines.push(Line::from(vec![
+                Span::styled(" AI ", Style::default().fg(Theme::BG).bg(Theme::ROLE_ASSISTANT).add_modifier(Modifier::BOLD)),
+                Span::styled(" Thinking...", Style::default().fg(Theme::DIM)),
+            ]));
+            display_lines.push(Line::from(Span::raw("")));
+        }
+    }
+
     if messages.len() > scroll_offset + max_visible {
         let below = messages.len().saturating_sub(scroll_offset + max_visible);
         display_lines.push(Line::from(Span::styled(

src/view/mod.rs

@@ -201,7 +201,7 @@ fn render_overlay(frame: &mut Frame, area: Rect, overlay: crate::app::state::typ
                     Style::default().fg(Theme::DIM),
                 )),
                 Line::from(Span::styled(
-                    "  OpenRouter  - Multi-model API gateway",
+                    "  Zen API      - opencode.ai free model",
                     Style::default().fg(Theme::TEXT),
                 )),
                 Line::from(Span::styled(

src/view/status.rs

@@ -30,8 +30,13 @@ pub fn draw_status_bar(frame: &mut Frame, area: Rect, state: &crate::app::state:
             .add_modifier(Modifier::BOLD),
     );
 
+    let agent_status = if state.turn_in_flight() {
+        "PROCESSING"
+    } else {
+        "READY"
+    };
     let center_text = Span::styled(
-        format!(" | STATUS: {} | AGENT LOOP: LIVE ", mode_indicator),
+        format!(" | STATUS: {} | AGENT: {} ", mode_indicator, agent_status),
         Style::default().fg(mode_color),
     );