Update POm.xml and remove repeated revariables

Author: mplmihir

hexfeed-backend/pom.xml

@@ -28,6 +28,7 @@
 	</scm>
 	<properties>
 		<java.version>17</java.version>
+		<lombok.version>1.18.30</lombok.version>
 	</properties>
 	<dependencies>
 		<dependency>
@@ -148,10 +149,13 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
 				<configuration>
+					<source>${java.version}</source>
+					<target>${java.version}</target>
 					<annotationProcessorPaths>
 						<path>
 							<groupId>org.projectlombok</groupId>
 							<artifactId>lombok</artifactId>
+							<version>${lombok.version}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>

hexfeed-backend/src/main/java/com/hexfeed/model/entity/Post.java

@@ -183,15 +183,6 @@ public class Post {
     @Builder.Default
     private Boolean allowReplies = true;
 
-    /**
-     * H3 resolution level used to calculate the hex_id for this post
-     * Used for migration tracking when changing resolution levels
-     */
-    @Column(name = "h3_resolution", nullable = false)
-    @Min(value = 0, message = "H3 resolution must be between 0 and 15")
-    @Max(value = 15, message = "H3 resolution must be between 0 and 15")
-    @Builder.Default
-    private Integer h3Resolution = 7;
 
     /**
      * Flag indicating if this post has been migrated to the new H3 resolution
@@ -211,8 +202,8 @@ public class Post {
     private Map<String, Object> metadata;
 
     /**
-     * H3 resolution level used for hexagon spatial indexing
-     * Default is 7 (optimal for city-level partitioning)
+     * H3 resolution level used to calculate the hex_id for this post
+     * Used for migration tracking when changing resolution levels
      */
     @Column(name = "h3_resolution", nullable = false)
     @Min(value = 0, message = "H3 resolution must be non-negative")