rpc-cost opens on one slider and an archive checkbox

harnesses/rpc-cost/cmd/script/curve.go

@@ -60,6 +60,9 @@ type CurveProvider struct {
 	Cohort string       `json:"cohort"`
 	Unit   string       `json:"unit"`
 	Points []CurvePoint `json:"points"`
+	// PlanNames maps the plan ids the points carry to the catalogue's own
+	// names: "bc-t3-large-us-east-1" is a key, not something to show.
+	PlanNames map[string]string `json:"planNames,omitempty"`
 }
 
 type CurveProfile struct {
@@ -240,7 +243,7 @@ func BuildCurves(c *Catalogue) CurveFile {
 	}
 	grid := logGrid(36)
 
-	for _, pr := range Profiles {
+	for _, pr := range append(append([]Profile{}, Profiles...), CurveOnlyProfiles...) {
 		cp := CurveProfile{ID: pr.ID, Label: pr.Label, Chain: pr.Chain}
 		for _, p := range c.Providers {
 			// The slider has to carry exactly the cohort the gauges carry,
@@ -295,8 +298,17 @@ func BuildCurves(c *Catalogue) CurveFile {
 			if len(pts) == 0 {
 				continue
 			}
+			names := map[string]string{}
+			for _, pt := range pts {
+				for _, pl := range p.Plans {
+					if pt.Plan != "" && pl.ID == pt.Plan && pl.Name != "" {
+						names[pl.ID] = pl.Name
+					}
+				}
+			}
 			cp.Providers = append(cp.Providers, CurveProvider{
 				Slug: p.Slug, Name: p.Name, Cohort: p.Cohort, Unit: p.Unit, Points: pts,
+				PlanNames: names,
 			})
 		}
 		sort.Slice(cp.Providers, func(i, j int) bool { return cp.Providers[i].Slug < cp.Providers[j].Slug })

harnesses/rpc-cost/cmd/script/curve_test.go

@@ -53,7 +53,7 @@ func TestCurveAgreesWithTheModelAtPublishedVolumes(t *testing.T) {
 	checked := 0
 	for _, cp := range f.Profiles {
 		var pr Profile
-		for _, cand := range Profiles {
+		for _, cand := range append(append([]Profile{}, Profiles...), CurveOnlyProfiles...) {
 			if cand.ID == cp.ID {
 				pr = cand
 			}

harnesses/rpc-cost/cmd/script/profiles.go

@@ -97,6 +97,29 @@ var Profiles = []Profile{
 	},
 }
 
+// CurveOnlyProfiles are priced into the slider's curve file and nowhere
+// else: no gauge, no tab. The page's archive checkbox needs the dapp mix
+// with every call reading state old enough to bill as archive, which is a
+// question for one reader's bill, not a fourth ranked workload.
+var CurveOnlyProfiles = []Profile{
+	{
+		ID:      "dapp-archive",
+		Label:   "Dapp frontend, archive",
+		Chain:   "ethereum",
+		Archive: true,
+		Mix:     profileByID("dapp").Mix,
+	},
+}
+
+func profileByID(id string) Profile {
+	for _, pr := range Profiles {
+		if pr.ID == id {
+			return pr
+		}
+	}
+	panic("no profile " + id)
+}
+
 // MixOrder returns this profile's methods in a fixed order.
 //
 // Summing a weighted mix by ranging over the map adds the same terms in a

harnesses/rpc-cost/pricing/catalogue.yml

@@ -4,7 +4,7 @@
 # Every number here traces to a wave-2-verified value, or to a wave-1 value wave 2 did not contradict.
 # Where a figure exists only as an assumption it is null and the assumption is in `note`.
 version: 1
-as_of: "2026-09-29"
+as_of: "2026-10-16"
 
 fx:
   eur_usd: 1.1355

src/app/benchmarks/[slug]/page.tsx

@@ -901,6 +901,14 @@ export default async function BenchmarkPage({
           the page to a pasteable quote or a JSON endpoint. */}
       {!isDraft && <CitationBar slug={benchmark.slug} />}
 
+      {/* Bench 282 opens on its calculator instead of the generic body: one
+          volume slider and an archive checkbox answer "which plan do I buy",
+          where four rows of selectors (cohort, plan band, volume, workload)
+          over a three-volume ledger made the reader assemble the answer.
+          The slider reads a curve the same harness emits through the same
+          model as the gauges, so the two cannot drift apart. */}
+      {!isDraft && benchmark.slug === "rpc-cost" && <RpcCostSlider />}
+
       {/* Methodology - expanded by default so readers can verify the
           measurement before reading the numbers. Collapsible for repeat
           visitors who already know the harness. */}
@@ -931,7 +939,7 @@ export default async function BenchmarkPage({
       {/* Body: chain tabs + summary + chart + ledger + share. Receives every
           chain variant pre-fetched server-side. flipping a tab swaps which
           variant is rendered, instantly, no network round-trip. */}
-      {!isDraft && (
+      {!isDraft && benchmark.slug !== "rpc-cost" && (
         <Suspense
           // The served HTML is this fallback (useSearchParams in the body
           // bails out of static rendering): the endpoint URLs must be in
@@ -1012,12 +1020,6 @@ export default async function BenchmarkPage({
       {benchmark.slug === "terminal-fill-quality" && <TerminalFillAudit />}
       {benchmark.slug === "terminal-execution-quality" && <TerminalFillAudit exec />}
 
-      {/* Bench 282: the ledger prices 10M, 100M and 1B requests a month,
-          because a metric needs a fixed label, and most readers are
-          somewhere else. This prices any volume off a committed curve the
-          same harness emits through the same model, so the panel and the
-          ledger cannot drift apart. */}
-      {!isDraft && benchmark.slug === "rpc-cost" && <RpcCostSlider />}
 
       {/* SEO-friendly per-chain H2 block. Renders server-side so the
           long-tail "Ethereum finality time", "Solana finality time"