feat(patterns): add supports_manual metadata in db/pattern.json

Allow staging db/pattern.json by replacing blanket db/ ignore with a whitelist for tracked db files.

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -28,7 +28,17 @@ Thumbs.db
 scripts/.led-controller-venv
 docs/.help-print.html
 settings.json
-db/
+# Track shared JSON + preset binaries; ignore other db/*.json (e.g. device, zone) locally
+db/*
+!db/group.json
+!db/palette.json
+!db/pattern.json
+!db/preset.json
+!db/profile.json
+!db/scene.json
+!db/sequence.json
+!db/presets/
+!db/presets/*.bin
 *.log
 *.db
 *.sqlite