Refactor view modules for improved readability and consistency

- Updated markdown rendering logic to use more concise methods for obtaining vector lengths.
- Changed review status display to use the correct flag from settings.
- Cleaned up sidebar rendering code for better formatting and readability.
- Enhanced status bar rendering with improved string formatting and consistent style application.
- Refined workflow panel rendering, ensuring consistent style usage and improved readability.
- Added architecture overview and detailed documentation for backend, data, dependencies, and frontend structures.

src/app/runtime/context/dedup.rs

@@ -15,11 +15,10 @@
 //! `git_operator`, ...) are never touched, even with identical
 //! arguments, because call order and repetition can be semantically
 //! meaningful (e.g. retrying a flaky `bash` command until it passes).
-
-use std::collections::HashMap;
-use sha2::Digest;
 use crate::app::subagent::division::tool_scope::READ_TOOLS;
 use crate::dto::chat::message::{ChatMessage, Role};
+use sha2::Digest;
+use std::collections::HashMap;
 
 const DUPLICATE_PLACEHOLDER: &str =
     "[duplicate result — superseded by a later identical call, see below]";
@@ -50,7 +49,9 @@ pub fn collapse(messages: &[ChatMessage]) -> (Vec<ChatMessage>, bool) {
             continue;
         }
         let Some(id) = &m.tool_call_id else { continue };
-        let Some((name, args)) = call_info.get(id) else { continue };
+        let Some((name, args)) = call_info.get(id) else {
+            continue;
+        };
         if !READ_TOOLS.contains(&name.as_str()) {
             continue;
         }
@@ -58,22 +59,30 @@ pub fn collapse(messages: &[ChatMessage]) -> (Vec<ChatMessage>, bool) {
     }
 
     let mut changed = false;
-    let result = messages.iter().enumerate().map(|(idx, m)| {
-        if m.role != Role::Tool {
-            return m.clone();
-        }
-        let Some(id) = &m.tool_call_id else { return m.clone() };
-        let Some((name, args)) = call_info.get(id) else { return m.clone() };
-        if !READ_TOOLS.contains(&name.as_str()) {
-            return m.clone();
-        }
-        let key = dedup_key(name, args);
-        if last_index_for_key.get(&key) == Some(&idx) {
-            return m.clone();
-        }
-        changed = true;
-        ChatMessage::tool_result(id.clone(), DUPLICATE_PLACEHOLDER.to_string())
-    }).collect();
+    let result = messages
+        .iter()
+        .enumerate()
+        .map(|(idx, m)| {
+            if m.role != Role::Tool {
+                return m.clone();
+            }
+            let Some(id) = &m.tool_call_id else {
+                return m.clone();
+            };
+            let Some((name, args)) = call_info.get(id) else {
+                return m.clone();
+            };
+            if !READ_TOOLS.contains(&name.as_str()) {
+                return m.clone();
+            }
+            let key = dedup_key(name, args);
+            if last_index_for_key.get(&key) == Some(&idx) {
+                return m.clone();
+            }
+            changed = true;
+            ChatMessage::tool_result(id.clone(), DUPLICATE_PLACEHOLDER.to_string())
+        })
+        .collect();
 
     (result, changed)
 }
@@ -102,7 +111,10 @@ mod tests {
         m.tool_calls = Some(vec![ToolCall {
             id: id.to_string(),
             type_: "function".to_string(),
-            function: ToolFunction { name: name.to_string(), arguments: args },
+            function: ToolFunction {
+                name: name.to_string(),
+                arguments: args,
+            },
         }]);
         m
     }
@@ -172,9 +184,10 @@ mod tests {
 
     #[test]
     fn tool_result_with_no_matching_call_is_left_untouched() {
-        let messages = vec![
-            ChatMessage::tool_result("orphan-id".to_string(), "some result".to_string()),
-        ];
+        let messages = vec![ChatMessage::tool_result(
+            "orphan-id".to_string(),
+            "some result".to_string(),
+        )];
 
         let (result, changed) = collapse(&messages);