design fixup and docs + api versioning

docs/development/CODE-PATTERNS.md

@@ -47,16 +47,20 @@ export async function getFlyerById(id: number, client?: PoolClient): Promise<Fly
 ```typescript
 import { sendError } from '../utils/apiResponse';
 
-app.get('/api/flyers/:id', async (req, res) => {
+app.get('/api/v1/flyers/:id', async (req, res) => {
   try {
     const flyer = await flyerDb.getFlyerById(parseInt(req.params.id));
     return sendSuccess(res, flyer);
   } catch (error) {
+    // IMPORTANT: Use req.originalUrl for dynamic path logging (not hardcoded paths)
+    req.log.error({ error }, `Error in ${req.originalUrl.split('?')[0]}:`);
     return sendError(res, error);
   }
 });
 ```
 
+**Best Practice**: Always use `req.originalUrl.split('?')[0]` in error log messages instead of hardcoded paths. This ensures logs reflect the actual request URL including version prefixes (`/api/v1/`). See [Error Logging Path Patterns](ERROR-LOGGING-PATHS.md) for details.
+
 ### Custom Error Types
 
 ```typescript