Release v0.4.0 · seunghyukchoe/copper-mcp

What's Changed

feat: serialize replayed candidates to disposable KiCad snapshots by @seunghyukchoe in #25

fix: recover and harden v0.1.0 release by @seunghyukchoe in #20
chore: upgrade CodeQL actions atomically by @seunghyukchoe in #21
feat: add canonical Board IR v0.1 by @seunghyukchoe in #22
docs: record measured router coverage on a real board by @seunghyukchoe in #32
feat: ship bounded Circuit Intent schematic MVP by @seunghyukchoe in #34
feat: multi-pin tree routing over sequential component merging by @seunghyukchoe in #35
feat: zone fill authority — freshness-verified fill as connectivity evidence by @seunghyukchoe in #37
chore: prepare the 0.3.0 release source by @seunghyukchoe in #38
chore: prepare the 0.4.0 release source by @seunghyukchoe in #44

feat: add bounded deterministic two-pin A* baseline by @seunghyukchoe in #23
feat: bind route candidates to authoritative KiCad DRC by @seunghyukchoe in #27
feat: expose a bounded non-mutating route preview by @seunghyukchoe in #28
feat: add read-only Board IR inspection over a shared request boundary by @seunghyukchoe in #30
feat: route around existing copper instead of rejecting it by @seunghyukchoe in #31
feat: treat through vias as obstacles instead of a board-level veto by @seunghyukchoe in #33
feat: via-aware cross-layer connectivity recognition by @seunghyukchoe in #36
feat: Circuit Scene IR v0.1 — typed board observation for agents by @seunghyukchoe in #39
feat: Scene IR slice 2 — deterministic digest-bound renders by @seunghyukchoe in #40
fix: absolute pad rotation + six scene observation hardening fixes by @seunghyukchoe in #41
feat: placement intent and deterministic legalizer (M4 core) by @seunghyukchoe in #42
feat: preview_placement surface (M4 placement preview complete) by @seunghyukchoe in #43

Full Changelog: v0.1.0...v0.4.0