equalizeHorizontalSiblings (the dashboard column-equalization pass) is the same
logic as the equalizeCardRow ported in I4, except it also excludes badge/pill/tag
roles from card candidates. Add those exclusions so equalize_card_row covers both
— closing the P3 "dashboard 等宽" item.
The other two P3 items are architectural non-gaps, not ports:
- 变量 seeding: plans carry no palette (variables.rs is a deliberate no-op); the
design-system path (design_system_to_seed_commands) already seeds variables.
- intent-modify: the Rust Design path is AGENTIC — an agent::Provider whose
modify-level tools (update_node / batch_design / ...) handle create-vs-modify
organically, so the 2-way Design/Chat gate suffices. TS's 3-way classify
existed for its non-agentic routing and would be redundant here.
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