Address ESlint console statements

lib/cache.ts

@@ -2,6 +2,8 @@
  * Content caching utilities for improved performance
  */
 
+import { logger } from "./logger";
+
 // In-memory cache for blog posts
 const blogPostCache = new Map<string, CacheEntry<unknown>>();
 const blogListCache = new Map<string, CacheEntry<unknown[]>>();
@@ -243,9 +245,9 @@ export async function warmCache<T>(
       cacheBlogPost(postWithSlug.slug, post);
     });
 
-    console.log("Cache warmed up successfully");
+    logger.info("Cache warmed up successfully");
   } catch (error) {
-    console.error("Error warming up cache:", error);
+    logger.error("Error warming up cache:", error);
   }
 }
 
@@ -258,7 +260,7 @@ export function isCacheHealthy(): boolean {
     clearExpiredCache();
     return blogPostCache.size < MAX_CACHE_SIZE;
   } catch (error) {
-    console.error("Cache health check failed:", error);
+    logger.error("Cache health check failed:", error);
     return false;
   }
 }

lib/content.ts

@@ -3,6 +3,7 @@ import path from "path";
 import matter from "gray-matter";
 import { validateBlogPost, sanitizeBlogPost } from "./validation";
 import type { BlogPostFrontmatter } from "./validation";
+import { logger } from "./logger";
 
 /**
  * Content processing utilities for blog posts
@@ -73,7 +74,7 @@ export function getBlogPostFiles(): string[] {
       (file) => file.endsWith(".md") || file.endsWith(".mdx"),
     );
   } catch (error) {
-    console.error("Error reading blog content directory:", error);
+    logger.error("Error reading blog content directory:", error);
     return [];
   }
 }
@@ -92,7 +93,7 @@ export function parseBlogPost(filePath: string): BlogPost | null {
 
     const validationResult = validateBlogPost(data);
     if (!validationResult.isValid) {
-      console.error(
+      logger.error(
         `Validation errors for ${filePath}:`,
         validationResult.errors,
       );
@@ -111,7 +112,7 @@ export function parseBlogPost(filePath: string): BlogPost | null {
       lastModified: fs.statSync(fullPath).mtime,
     };
   } catch (error) {
-    console.error(`Error parsing blog post file ${filePath}:`, error);
+    logger.error(`Error parsing blog post file ${filePath}:`, error);
     return null;
   }
 }

lib/logger.ts

@@ -0,0 +1,27 @@
+/* eslint-disable no-console */
+/**
+ * Minimal logger wrapper.
+ *
+ * - Centralizes logging so we can swap implementations later (e.g. pino/sentry).
+ * - Avoids sprinkling `console.*` throughout app code.
+ */
+
+type LoggerArgs = unknown[];
+
+const isProd = process.env.NODE_ENV === "production";
+
+export const logger = {
+  debug: (...args: LoggerArgs) => {
+    if (!isProd) console.debug(...args);
+  },
+  info: (...args: LoggerArgs) => {
+    console.info(...args);
+  },
+  warn: (...args: LoggerArgs) => {
+    console.warn(...args);
+  },
+  error: (...args: LoggerArgs) => {
+    console.error(...args);
+  },
+};
+