Knowit ff5553fb06 tools/epro2/kicad: hierarchical export + global_label + 5-Voltage power ports ...

Three coupled changes so kicad-cli sch erc runs at the project level
(across all sheets of one schematic) instead of single-sheet:

1. (label) → (global_label (shape passive)). EPRO2 nets are
   project-global by construction (named rails span every page in the
   SCH and physically wire across PCBs); KiCad's local label is sheet-
   scoped and triggers `label_dangling` for any name not duplicated on
   the same page.

2. New root_sch_writer that groups SCH_PAGE docs by their parent SCH
   (META.schematic), emits one root .kicad_sch per group with one
   (sheet ...) entry per child, and threads the root-assigned uuid back
   into each child's (sheet_instances) so KiCad can bind them.
   --all-sch now defaults to this; --flat falls back to one-file-per-page.

3. EPRO2's "5-Voltage" placeholder COMPONENT (partId
   pid8a0e77bacb214e, 365 instances on ESP-VoCat) is the editor's power
   port. The rail name lives in the placement's `Global Net Name` ATTR,
   not in the PART. We now emit a (global_label "<rail>") at the
   placement coords whenever that attr is set (101/365 of them on
   ESP-VoCat — the rest are unconfigured drafts).

ESP-VoCat 5 hierarchical roots: 2325 → 2265 violations. Modest because
5 of 6 SCHs are single-page (no cross-sheet nets to resolve), and the
one 4-page schematic (CoreBoard) shares only a handful of names across
sheets — most net names are de-facto sheet-local. The remaining ~190
pin_not_connected are dominated by 0402-style passives whose pin tip
lies on a wire's interior, not at an endpoint; KiCad needs an explicit
(junction) at those points and we don't yet emit one. Marked as the
next follow-up in log.md.

47 → 52 unit tests pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-29 00:05:47 +08:00

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