feat: enhance context gathering in auto-review engine and agent runner

apps/infrastructure/src/utils.rs

@@ -194,11 +194,17 @@ pub fn build_workspace_tree(root: &Path, max_files: usize) -> String {
 // Rich Context Builder
 // ---------------------------------------------------------------------------
 
-/// Gathers essential project context (OS, Time, Git, Tech Stack, Rules) into a string.
+/// Gathers essential project context (OS, Time, PWD, Git, Tech Stack, Rules) into a string.
 pub fn build_rich_context(root: &Path) -> String {
     use std::process::Command;
     let mut ctx = String::new();
 
+    // 0. Current working directory (PWD)
+    let cwd = std::env::current_dir()
+        .map(|p| p.to_string_lossy().to_string())
+        .unwrap_or_else(|_| "unknown".to_string());
+    ctx.push_str(&format!("### Current Directory (PWD)\n`{cwd}`\n\n"));
+
     // 1. Time and OS
     let os = std::env::consts::OS;
     let arch = std::env::consts::ARCH;