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/bgbash/control.rs

@@ -1,4 +1,9 @@
-#![allow(clippy::cast_possible_truncation, clippy::cast_sign_loss, clippy::cast_precision_loss, clippy::cast_possible_wrap)]
+#![allow(
+    clippy::cast_possible_truncation,
+    clippy::cast_sign_loss,
+    clippy::cast_precision_loss,
+    clippy::cast_possible_wrap
+)]
 //! Global registry of running background bash jobs, and control operations
 //! (output polling, kill) exposed to the rest of the app.
 //!
@@ -10,7 +15,6 @@
 //! Why: a single static map (rather than storing jobs in `AppStateRest`)
 //! lets background jobs outlive the borrow of any particular state mutation
 //! and be looked up by id from tool calls issued at arbitrary points.
-
 use std::collections::HashMap;
 use std::sync::Mutex;
 use std::sync::OnceLock;
@@ -44,7 +48,11 @@ pub fn bash_output(id: &str) -> Option<Vec<String>> {
     while let Some(line) = job.try_read_line() {
         lines.push(line);
     }
-    if lines.is_empty() { None } else { Some(lines) }
+    if lines.is_empty() {
+        None
+    } else {
+        Some(lines)
+    }
 }
 
 /// Terminate a running background bash job and remove it from the registry.
@@ -58,7 +66,9 @@ pub fn bash_output(id: &str) -> Option<Vec<String>> {
 /// Return: `Ok(())` on success, `Err` if the lock is poisoned or no job
 /// with that id exists.
 pub fn bash_kill(id: &str) -> anyhow::Result<()> {
-    let mut map = bash_jobs_map().lock().map_err(|e| anyhow::anyhow!("lock error: {e}"))?;
+    let mut map = bash_jobs_map()
+        .lock()
+        .map_err(|e| anyhow::anyhow!("lock error: {e}"))?;
     let job = map.remove(id);
     match job {
         Some(job) => {