Merge branch 'view-ui'

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/store/viewcolors.go

@@ -0,0 +1,55 @@
+package store
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"strconv"
+)
+
+// View colours only change how the web UI shows a view, so they are kept
+// outside the configuration: setting one needs no changeset or deploy.
+const viewColorsKey = "view_colors"
+
+// ViewColors returns the colour of each view that has one, by view ID.
+func (s *Store) ViewColors(ctx context.Context) (map[int64]string, error) {
+	out := map[int64]string{}
+	raw, err := s.GetMeta(ctx, viewColorsKey)
+	if errors.Is(err, ErrNotFound) {
+		return out, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	var m map[string]string
+	if err := json.Unmarshal([]byte(raw), &m); err != nil {
+		return nil, err
+	}
+	for k, v := range m {
+		if id, err := strconv.ParseInt(k, 10, 64); err == nil {
+			out[id] = v
+		}
+	}
+	return out, nil
+}
+
+// SetViewColor sets a view's colour; "" removes it. View IDs are never
+// reused, so the colour of a deleted view is harmless and is left alone
+// (the view may still exist in a changeset).
+func (s *Store) SetViewColor(ctx context.Context, id int64, color string) error {
+	m, err := s.ViewColors(ctx)
+	if err != nil {
+		return err
+	}
+	if color == "" {
+		delete(m, id)
+	} else {
+		m[id] = color
+	}
+	out := map[string]string{}
+	for k, v := range m {
+		out[strconv.FormatInt(k, 10)] = v
+	}
+	b, _ := json.Marshal(out)
+	return s.SetMeta(ctx, viewColorsKey, string(b))
+}