feat(mapgen): ✨ Update assembly functions to implement new procedural generation rules for biome/terrain with noise-based logic

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

tools/transpile-engine/mapgen_assembly.py

@@ -292,6 +292,29 @@ class GenMap {
           wonder_anchor_schools: [],
           wonder_tier: 0,
           river_source_type: gt?.river_source_type || undefined,
+          // Classifier fields (populated by water body finder + map gen)
+          water_body_type: '',
+          is_river_mouth: false,
+          has_cave: false,
+          // Atmosphere fields (populated by ClimatePhysics atmosphere steps)
+          pressure: 1013.0,
+          pressure_anomaly: 0.0,
+          humidity: 0.0,
+          // Ecology fields (populated by EcologyPhysics)
+          canopy_cover: 0.0,
+          undergrowth: 0.0,
+          fungi_network: 0.0,
+          drought_counter: 0,
+          succession_progress: 0,
+          regrowth_stage: -1,
+          regrowth_turns: 0,
+          habitat_suitability: 0.0,
+          habitat_low_turns: 0,
+          landmark_name: '',
+          substrate_id: '',
+          water_body_id: -1,
+          depth_from_coast: -1,
+          fish_stock: 0,
         }
       }
     }