feat(ux): complete UX overhaul — design system, onboarding, web polish

Cargo.toml

@@ -88,7 +88,7 @@ async-trait = "0.1"
 clap = { version = "4", features = ["derive", "env"] }
 
 # Terminal
-crossterm = "0.28"
+crossterm = "0.29"
 rustyline = { version = "17", features = ["custom-bindings", "derive", "with-file-history"] }
 termimad = "0.34"
 

src/agent/dispatcher.rs

@@ -317,7 +317,7 @@ impl<'a> LoopDelegate for ChatDelegate<'a> {
             .channels
             .send_status(
                 &self.message.channel,
-                StatusUpdate::Thinking("Calling LLM...".into()),
+                StatusUpdate::Thinking(format!("Thinking (step {iteration})...")),
                 &self.message.metadata,
             )
             .await;
@@ -435,7 +435,7 @@ impl<'a> LoopDelegate for ChatDelegate<'a> {
             .channels
             .send_status(
                 &self.message.channel,
-                StatusUpdate::Thinking(format!("Executing {} tool(s)...", tool_calls.len())),
+                StatusUpdate::Thinking(contextual_tool_message(&tool_calls)),
                 &self.message.metadata,
             )
             .await;
@@ -969,6 +969,30 @@ pub(super) fn check_auth_required(
     Some((name, instructions))
 }
 
+/// Build a contextual thinking message based on tool names.
+///
+/// Instead of a generic "Executing 2 tool(s)..." this returns messages like
+/// "Running command..." or "Fetching page..." for single-tool calls, falling
+/// back to "Executing N tool(s)..." for multi-tool calls.
+fn contextual_tool_message(tool_calls: &[crate::llm::ToolCall]) -> String {
+    if tool_calls.len() == 1 {
+        match tool_calls[0].name.as_str() {
+            "shell" => "Running command...".into(),
+            "web_fetch" => "Fetching page...".into(),
+            "memory_search" => "Searching memory...".into(),
+            "memory_write" => "Writing to memory...".into(),
+            "memory_read" => "Reading memory...".into(),
+            "http_request" => "Making HTTP request...".into(),
+            "file_read" => "Reading file...".into(),
+            "file_write" => "Writing file...".into(),
+            "json_transform" => "Transforming data...".into(),
+            name => format!("Running {name}..."),
+        }
+    } else {
+        format!("Executing {} tool(s)...", tool_calls.len())
+    }
+}
+
 /// Compact messages for retry after a context-length-exceeded error.
 ///
 /// Keeps all `System` messages (which carry the system prompt and instructions),

src/agent/routine.rs

@@ -529,8 +529,8 @@ pub fn normalize_cron_expression(schedule: &str) -> String {
     let trimmed = schedule.trim();
     let fields: Vec<&str> = trimmed.split_whitespace().collect();
     match fields.len() {
-        5 => format!("0 {} *", trimmed),
-        6 => format!("{} *", trimmed),
+        5 => format!("0 {} *", fields.join(" ")),
+        6 => format!("{} *", fields.join(" ")),
         _ => trimmed.to_string(),
     }
 }

src/agent/thread_ops.rs

@@ -556,6 +556,33 @@ impl Agent {
                         .await;
                 }
 
+                // Emit per-turn cost summary
+                {
+                    let usage = self.cost_guard().model_usage().await;
+                    let (total_in, total_out, total_cost) =
+                        usage
+                            .values()
+                            .fold((0u64, 0u64, rust_decimal::Decimal::ZERO), |acc, m| {
+                                (
+                                    acc.0 + m.input_tokens,
+                                    acc.1 + m.output_tokens,
+                                    acc.2 + m.cost,
+                                )
+                            });
+                    let _ = self
+                        .channels
+                        .send_status(
+                            &message.channel,
+                            StatusUpdate::TurnCost {
+                                input_tokens: total_in,
+                                output_tokens: total_out,
+                                cost_usd: format!("${:.4}", total_cost),
+                            },
+                            &message.metadata,
+                        )
+                        .await;
+                }
+
                 Ok(SubmissionResult::response(response))
             }
             Ok(AgenticLoopResult::NeedApproval { pending }) => {

src/app.rs

@@ -386,7 +386,7 @@ impl AppBuilder {
             let b = tools
                 .register_builder_tool(llm.clone(), Some(self.config.builder.to_builder_config()))
                 .await;
-            tracing::info!("Builder mode enabled");
+            tracing::debug!("Builder mode enabled");
             Some(b)
         } else {
             None