many eda additions

.gitignore

@@ -0,0 +1,36 @@
+# --- KiCad transient / generated ---
+*.lck
+~*.lck
+*.kicad_prl
+*-backups/
+fp-info-cache
+*.bak
+*.kicad_sch-bak
+_autosave-*
+
+# --- macOS ---
+.DS_Store
+
+# --- editor / MCP local artifacts ---
+.history/
+.playwright-mcp/
+
+# --- External tooling clones (kept locally, not vendored into this repo) ---
+# These are git clones with their own history; the kicad-port skill references
+# kicad-happy via ~/.claude/skills symlinks. Re-clone if missing.
+/kicad-happy/
+/kicad-claude-toolkit/
+/MCP-KiCad/
+
+# --- Analysis cache (timestamped runs); committed baselines live in analysis/baseline/ ---
+.kicad-happy/
+analysis/runs/
+
+# --- kicad-build toolchain output ---
+output/
+*.raw
+*.xml
+
+# --- python cache ---
+__pycache__/
+*.pyc