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Gorgious56
8faf9ff43d
bim/handler.py was importing two feature-module internals (wall_offset_gizmos.clear_caches, preview_base.discard_pending_previews) to drain load-transient parametric state alongside the existing tool.Parametric.heal_stale_edit_flags() call inside _apply_save_file_invariants. Each new parametric drain added one top-level import and one inline call — every load_post drain leaked into handler.py's namespace. Hide all three drains behind tool.Parametric.on_load_post(scene), sited adjacent to heal_stale_edit_flags. The two feature-module imports become late imports inside on_load_post — same pattern as refresh_post_commit's existing `import bonsai.bim.handler` — which sidesteps the tool.parametric -> bim.module.model.preview_base -> bonsai.tool registration-time cycle. The forward-compat AST contract that pinned "every module-scope GenerationKeyedCache + clear_caches MUST be drained on load_post" follows the call site to its new home — the test now walks tool.Parametric.on_load_post instead of _apply_save_file_invariants. No behaviour change. 45/45 affected bim tests pass (test_handler_forward_compat, test_preview_base, test_wall_offset_gizmos, test_parametric_registry). ruff + black clean on all touched files. Generated with the assistance of an AI coding tool.