feat: ✨ add post access usage metrics

docker_dev/mysql_schema.sql

@@ -26,6 +26,20 @@ CREATE TABLE posts (
 	INDEX(post_path_depth, post_path)
 );
 
+CREATE TABLE path_access_counts (
+	post_path VARCHAR(255),
+	agent VARCHAR(255),
+
+	path_last_access_time DATETIME NOT NULL 
+		DEFAULT CURRENT_TIMESTAMP
+		ON UPDATE CURRENT_TIMESTAMP,
+	
+	path_access_count INTEGER DEFAULT 0,
+	path_processing_time DOUBLE PRECISION DEFAULT 0,
+
+	PRIMARY KEY(post_path, agent),
+	INDEX(path_last_access_time)
+);
 
 INSERT INTO posts (post_path, post_path_depth, post_metadata, post_content)
 VALUES (