Surface canonical codes in list views

src/pages/ProjectsPage.tsx

@@ -31,7 +31,7 @@ export default function ProjectsPage() {
 
       <div className="project-grid">
         {projects.map((p) => (
-          <div key={p.id} className="project-card" onClick={() => navigate(`/projects/${p.id}`)}>
+          <div key={p.id} className="project-card" onClick={() => navigate(`/projects/${p.project_code || p.id}`)}>
             <h3>{p.name}</h3>{p.project_code && <span className="badge" style={{ marginLeft: 8 }}>{p.project_code}</span>}
             <p className="project-desc">{p.description || 'No description'}</p>
             <div className="project-meta">