Remove internal phase comments and format code

Strip all Phase references, TODO/FUTURE roadmap notes, and internal
planning comments from the codebase. Run Prettier for consistent
formatting across all Java files.

src/main/java/com/tiedup/remake/worldgen/HangingCagePiece.java

@@ -298,7 +298,6 @@ public class HangingCagePiece extends StructurePiece {
         int baseZ = centerZ - 6;
         int floorY = candidatePos.getY() - 5;
 
-        // Phase 1: Shell — walls, floor, ceiling, air interior
         for (int rx = 0; rx < ROOM; rx++) {
             for (int rz = 0; rz < ROOM; rz++) {
                 if (!layout.isInShape(rx, rz)) continue;
@@ -356,7 +355,6 @@ public class HangingCagePiece extends StructurePiece {
             }
         }
 
-        // Phase 2: Theme-specific decorations
         theme.placeDecorations(
             level,
             random,
@@ -367,7 +365,6 @@ public class HangingCagePiece extends StructurePiece {
             chunkBB
         );
 
-        // Phase 2b: Shared structural features
         RoomTheme.placeSharedPillars(
             level,
             random,
@@ -416,11 +413,9 @@ public class HangingCagePiece extends StructurePiece {
             chunkBB
         );
 
-        // Phase 2c: Chests
         placeVanillaChest(level, random, baseX, baseZ, floorY, layout, chunkBB);
         placeTrappedChest(level, random, baseX, baseZ, floorY, layout, chunkBB);
 
-        // Phase 3: Iron bars from ry=7 to ry=10 at center [6,6]
         for (int ry = 7; ry <= 10; ry++) {
             safeSetBlock(
                 level,
@@ -430,7 +425,6 @@ public class HangingCagePiece extends StructurePiece {
             );
         }
 
-        // Phase 4: Pet Cage at [6,6] ry=5
         BlockPos masterPos = new BlockPos(centerX, floorY + 5, centerZ);
 
         BlockState masterState = V2Blocks.PET_CAGE.get()