From b54c4d9b01ab4525c0837d2bbb8c4f4ecf2b2194 Mon Sep 17 00:00:00 2001
From: Julen Mendieta <jmendieta@milaboratories.com>
Date: Tue, 12 May 2026 14:17:38 +0200
Subject: [PATCH 1/2] Enable upstream content coming from linkers

---
 model/src/index.ts             |   7 +-
 ui/src/pages/HistogramPage.vue |  11 +-
 ui/src/pages/ScatterPage.vue   |  11 +-
 workflow/src/columns.lib.tengo | 446 +++++++++++++++++++++++++++++++++
 workflow/src/process.tpl.tengo | 377 +---------------------------
 5 files changed, 480 insertions(+), 372 deletions(-)
 create mode 100644 workflow/src/columns.lib.tengo

diff --git a/model/src/index.ts b/model/src/index.ts
index 4d88d14..40e32ac 100644
--- a/model/src/index.ts
+++ b/model/src/index.ts
@@ -8,6 +8,7 @@ import {
   Annotation,
   ArrayColumnProvider,
   BlockModelV3,
+  createPFrameForGraphs,
   createPlDataTableV3,
 } from "@platforma-sdk/model";
 import { blockDataModel } from "./dataModel";
@@ -135,7 +136,9 @@ export const platforma = BlockModelV3.create(blockDataModel)
             match: (spec) =>
               !spec.annotations?.[Annotation.Trace]?.includes(
                 "milaboratories.sequence-properties",
-              ) && spec.annotations?.["pl7.app/isLinkerColumn"] !== "true",
+              ) &&
+              spec.annotations?.["pl7.app/isLinkerColumn"] !== "true" &&
+              spec.annotations?.["pl7.app/isOutput"] !== "true",
             visibility: "optional",
           },
         ],
@@ -178,7 +181,7 @@ export const platforma = BlockModelV3.create(blockDataModel)
               ),
           )
         : [];
-    return ctx.createPFrame([...pCols, ...upstreamMeta]);
+    return createPFrameForGraphs(ctx, [...pCols, ...upstreamMeta]);
   })
   .output("propertiesPfCols", (ctx): PColumnIdAndSpec[] | undefined => {
     const pCols = ctx.outputs?.resolve("propertiesPf")?.getPColumns();
diff --git a/ui/src/pages/HistogramPage.vue b/ui/src/pages/HistogramPage.vue
index 6d17870..61b766f 100644
--- a/ui/src/pages/HistogramPage.vue
+++ b/ui/src/pages/HistogramPage.vue
@@ -12,8 +12,6 @@ import {
 
 const app = useApp();
 
-const dataColumnPredicate = (spec: PColumnSpec) => isNumericScalar(spec);
-
 // R20 default + R20a fallback.
 const defaultOptions = computed((): PredefinedGraphOption<"histogram">[] | null => {
   const cols = app.model.outputs.propertiesPfCols;
@@ -25,6 +23,14 @@ const defaultOptions = computed((): PredefinedGraphOption<"histogram">[] | null
 
   return [{ inputName: "value", selectedSource: metric }];
 });
+
+const dataColumnPredicate = (spec: PColumnSpec) =>
+  isNumericScalar(spec) &&
+  spec.annotations?.["pl7.app/isOutput"] === "true" &&
+  !spec.annotations?.["pl7.app/trace"]?.includes("sequence-properties");
+
+const metaColumnPredicate = (spec: PColumnSpec) =>
+  !spec.annotations?.["pl7.app/trace"]?.includes("sequence-properties");
 </script>
 
 <template>
@@ -34,6 +40,7 @@ const defaultOptions = computed((): PredefinedGraphOption<"histogram">[] | null
     :p-frame="app.model.outputs.propertiesPfHandle"
     :default-options="defaultOptions"
     :data-column-predicate="dataColumnPredicate"
+    :meta-column-predicate="metaColumnPredicate"
     :status-text="{
       noPframe: { title: 'Select an input dataset on the Main tab to plot.' },
     }"
diff --git a/ui/src/pages/ScatterPage.vue b/ui/src/pages/ScatterPage.vue
index c0045c6..e6cb03f 100644
--- a/ui/src/pages/ScatterPage.vue
+++ b/ui/src/pages/ScatterPage.vue
@@ -8,8 +8,6 @@ import { defaultScatterAxes, isNumericScalar, numericScalarsInOrder } from "../u
 
 const app = useApp();
 
-const dataColumnPredicate = (spec: PColumnSpec) => isNumericScalar(spec);
-
 // R19 default + R19a fallback. Returns null while inputs are loading; null
 // keeps GraphMaker in a "no defaults yet" state without applying stale picks.
 const defaultOptions = computed((): PredefinedGraphOption<"scatterplot-umap">[] | null => {
@@ -34,6 +32,14 @@ const defaultOptions = computed((): PredefinedGraphOption<"scatterplot-umap">[]
     { inputName: "y", selectedSource: y },
   ];
 });
+
+const dataColumnPredicate = (spec: PColumnSpec) =>
+  isNumericScalar(spec) &&
+  spec.annotations?.["pl7.app/isOutput"] === "true" &&
+  !spec.annotations?.["pl7.app/trace"]?.includes("sequence-properties");
+
+const metaColumnPredicate = (spec: PColumnSpec) =>
+  !spec.annotations?.["pl7.app/trace"]?.includes("sequence-properties");
 </script>
 
 <template>
@@ -44,6 +50,7 @@ const defaultOptions = computed((): PredefinedGraphOption<"scatterplot-umap">[]
     :default-options="defaultOptions"
     :default-palette="{ categorical: 'bright' }"
     :data-column-predicate="dataColumnPredicate"
+    :meta-column-predicate="metaColumnPredicate"
     :status-text="{
       noPframe: { title: 'Select an input dataset on the Main tab to plot.' },
     }"
diff --git a/workflow/src/columns.lib.tengo b/workflow/src/columns.lib.tengo
new file mode 100644
index 0000000..4d35e92
--- /dev/null
+++ b/workflow/src/columns.lib.tengo
@@ -0,0 +1,446 @@
+// Output PColumn specs emitted by sequence-properties.
+//
+// Two getters wrap a canonical column list and apply per-consumer annotations:
+//
+//   - `forPropertiesPf(args)`     — every column, `pl7.app/isOutput: "true"`
+//                                   added on top of the canonical annotations.
+//   - `forExport(args, blockId)`  — filtered to `pl7.app/isScore: "true"`
+//                                   columns; domain cloned + `pl7.app/blockId`
+//                                   stamped on so downstream blocks can
+//                                   distinguish runs.
+//
+// `args` shape:
+//   { mode, receptor, chains, fullChains, hasFv }
+// — identical to the relevant subset of `process.tpl.tengo`'s `params`.
+
+ll := import("@platforma-sdk/workflow-tengo:ll")
+
+// ΔCharge endpoints — fixed in v1 per spec; the schema accepts additional
+// pH pairs without breaking existing column identities.
+CHARGE_SHIFT_PH_FROM := "7.4"
+CHARGE_SHIFT_PH_TO := "6.0"
+
+// Spec R6b — same description on every chargeShift column (peptide / CDR3 / Fv).
+// Trimmed to ~30 words for the column-header tooltip; PlAgDataTableV2 clips the
+// top edge against the page header. Magnitude rule and scope-exclusion caveats
+// live in pcolumn-spec.md / the spec, not in the tooltip.
+CHARGE_SHIFT_DESC := "Net charge change from pH 7.4 (blood) to pH 6.0 (endosome). Negative values mean the molecule gains positive charge on acidification — the productive direction for histidine-driven pH switching. Histidine dominates (~−0.46 per His)."
+
+// Receptor + chain → human label fragments (CDR3 / full-chain).
+// Spec R13a: PColumn name and chain domain are unchanged; only the label varies.
+labelFragments := func(receptor, chain) {
+	if receptor == "TCRAB" {
+		if chain == "A" { return { cdr3: "CDR-α3", fullChain: "Vα" } }
+		if chain == "B" { return { cdr3: "CDR-β3", fullChain: "Vβ" } }
+	}
+	if receptor == "TCRGD" {
+		if chain == "A" { return { cdr3: "CDR-γ3", fullChain: "Vγ" } }
+		if chain == "B" { return { cdr3: "CDR-δ3", fullChain: "Vδ" } }
+	}
+	// IG / unknown — antibody convention.
+	if chain == "A" { return { cdr3: "CDR-H3", fullChain: "VH" } }
+	return { cdr3: "CDR-L3", fullChain: "VL" }
+}
+
+// Build a single output column descriptor consumed by xsv.importFile.
+// `tsvCol` is the TSV column header emitted by Python (e.g. "charge_peptide", "charge_A_CDR3").
+// Clones the caller's `annotations` dict so the label stamp does not aliasing-
+// leak into any literal a caller reused.
+makeCol := func(tsvCol, valName, valueType, label, domain, annotations) {
+	newAnnotations := {}
+	if annotations {
+		for k, v in annotations {
+			newAnnotations[k] = v
+		}
+	}
+	newAnnotations["pl7.app/label"] = label
+	spec := {
+		name: valName,
+		valueType: valueType,
+		domain: domain,
+		annotations: newAnnotations
+	}
+	return { column: tsvCol, id: tsvCol, naRegex: "", allowNA: true, spec: spec }
+}
+
+// ---------------------------------------------------------------------------
+// Canonical column lists per scope. No `toPlot`, no `blockId` — the public
+// getters layer those on per consumer.
+// ---------------------------------------------------------------------------
+
+buildPeptideColumns := func() {
+	dom := { "pl7.app/feature": "peptide" }
+	cols := []
+
+	cols += [makeCol("charge_peptide", "pl7.app/charge", "Double",
+		"Net Charge (pH 7)", dom, {
+			"pl7.app/format": ".2f",
+			"pl7.app/isScore": "true",
+			"pl7.app/description": "Net charge at pH 7 (Henderson-Hasselbalch, IPC 2.0 peptide pKa set). Positive = net basic (Arg, Lys, His dominate); negative = net acidic (Asp, Glu dominate). No universal preferred direction.",
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "70000"
+		})]
+
+	cols += [makeCol("chargeShift_peptide", "pl7.app/chargeShift", "Double",
+		"Peptide ΔCharge (pH 7.4 → 6.0)", {
+			"pl7.app/feature": "peptide",
+			"pl7.app/pH/from": CHARGE_SHIFT_PH_FROM,
+			"pl7.app/pH/to": CHARGE_SHIFT_PH_TO
+		}, {
+			"pl7.app/format": ".2f",
+			"pl7.app/description": CHARGE_SHIFT_DESC,
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "69950"
+		})]
+
+	cols += [makeCol("gravy_peptide", "pl7.app/hydrophobicity", "Double",
+		"Hydrophobicity (GRAVY)", dom, {
+			"pl7.app/format": ".3f",
+			"pl7.app/isScore": "true",
+			"pl7.app/score/rankingOrder": "increasing",
+			"pl7.app/description": "rankingOrder: increasing reflects preference for lower hydrophobicity. Invert direction in Lead Selection for hydrophobic-target applications.",
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "69900"
+		})]
+
+	cols += [makeCol("mw_peptide", "pl7.app/molecularWeight", "Double",
+		"Molecular Weight (Da, average masses)", dom, {
+			"pl7.app/format": ".1f",
+			"pl7.app/min": "0",
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "69800"
+		})]
+
+	cols += [makeCol("pi_peptide", "pl7.app/isoelectricPoint", "Double",
+		"Isoelectric Point (pI)", dom, {
+			"pl7.app/format": ".2f",
+			"pl7.app/min": "0",
+			"pl7.app/max": "14",
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "69700"
+		})]
+
+	cols += [makeCol("eox_peptide", "pl7.app/extinctionCoefficientOx", "Double",
+		"Extinction Coeff., Oxidized (M⁻¹cm⁻¹)", dom, {
+			"pl7.app/format": ".0f",
+			"pl7.app/min": "0",
+			"pl7.app/description": "Assumes all Cys are in disulfide bonds. For unprotected linear peptides use the reduced form.",
+			"pl7.app/table/visibility": "optional",
+			"pl7.app/table/orderPriority": "69600"
+		})]
+
+	cols += [makeCol("ered_peptide", "pl7.app/extinctionCoefficientRed", "Double",
+		"Extinction Coeff., Reduced (M⁻¹cm⁻¹)", dom, {
+			"pl7.app/format": ".0f",
+			"pl7.app/min": "0",
+			"pl7.app/description": "Extinction coefficient at 280 nm, disulfide bonds reduced (Cys contribution omitted). A value of 0 means no Tyr or Trp — A280-based quantification is not possible.",
+			"pl7.app/table/visibility": "optional",
+			"pl7.app/table/orderPriority": "69500"
+		})]
+
+	cols += [makeCol("instability_peptide", "pl7.app/instabilityIndex", "Double",
+		"Instability Index", dom, {
+			"pl7.app/format": ".2f",
+			"pl7.app/description": "Guruprasad index — derived from globular proteins. The II > 40 threshold does not apply to short linear peptides; use as a relative composition ranking aid only.",
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "69400"
+		})]
+
+	cols += [makeCol("aliphatic_peptide", "pl7.app/aliphaticIndex", "Double",
+		"Aliphatic Index", dom, {
+			"pl7.app/format": ".1f",
+			"pl7.app/min": "0",
+			"pl7.app/description": "Measures fraction of nonpolar aliphatic residues (Ala, Val, Ile, Leu). For short linear peptides, thermostability interpretation does not apply — the Ikai index was derived for globular mesophilic enzymes, and thermostability is not a meaningful concept for unstructured peptides. Useful as a composition indicator and a proxy for hydrophobic character alongside GRAVY — both metrics increase with Ala/Val/Ile/Leu content, but neither has a universal preferred direction for therapeutic peptides.",
+			"pl7.app/table/visibility": "optional",
+			"pl7.app/table/orderPriority": "69300"
+		})]
+
+	cols += [makeCol("aromaticity_peptide", "pl7.app/aromaticity", "Double",
+		"Aromaticity", dom, {
+			"pl7.app/format": ".3f",
+			"pl7.app/min": "0",
+			"pl7.app/max": "1",
+			"pl7.app/description": "Fraction of aromatic residues (Phe, Trp, Tyr).",
+			"pl7.app/table/visibility": "optional",
+			"pl7.app/table/orderPriority": "69200"
+		})]
+
+	return cols
+}
+
+// CDR-H3 (chain A) and CDR-L3 (chain B) carry different descriptions per
+// pcolumn-spec.md — different developability signals.
+CDR3_CHARGE_DESC := {
+	A: "Strongly positive CDR3 charge correlates with polyreactivity via electrostatic interactions. No universal preferred direction in Lead Selection. IPC 2.0 peptide pKa set.",
+	B: "Strongly positive CDR-L3 charge contributes to paratope polyreactivity. Strongly negative charge is primarily a PK concern. No universal preferred direction. IPC 2.0 peptide pKa set."
+}
+CDR3_GRAVY_DESC := {
+	A: "Lower hydrophobicity preferred for developability. CDR3 GRAVY > 0 is an informal aggregation/polyreactivity heuristic.",
+	B: "Same aggregation and polyreactivity signal as CDR-H3 hydrophobicity; lower independent predictive weight. The TAP score uses combined 6-CDR GRAVY — CDR-L3 alone has limited independent validation."
+}
+
+buildCdr3Columns := func(receptor, chains) {
+	cols := []
+	cdr3OrderA := 68000
+	cdr3OrderB := 67700
+	for chain in chains {
+		frag := labelFragments(receptor, chain)
+		cdr3Dom := { "pl7.app/feature": "CDR3", "pl7.app/vdj/scClonotypeChain": chain }
+		chargeOrder := (chain == "A" ? cdr3OrderA : cdr3OrderB)
+		gravyOrder := chargeOrder - 100
+
+		cols += [makeCol("charge_" + chain + "_CDR3", "pl7.app/charge", "Double",
+			frag.cdr3 + " Net Charge (pH 7)", cdr3Dom, {
+				"pl7.app/format": ".2f",
+				"pl7.app/isScore": "true",
+				"pl7.app/description": CDR3_CHARGE_DESC[chain],
+				"pl7.app/table/visibility": "default",
+				"pl7.app/table/orderPriority": string(chargeOrder)
+			})]
+		cols += [makeCol("chargeShift_" + chain + "_CDR3", "pl7.app/chargeShift", "Double",
+			frag.cdr3 + " ΔCharge (pH 7.4 → 6.0)", {
+				"pl7.app/feature": "CDR3",
+				"pl7.app/vdj/scClonotypeChain": chain,
+				"pl7.app/pH/from": CHARGE_SHIFT_PH_FROM,
+				"pl7.app/pH/to": CHARGE_SHIFT_PH_TO
+			}, {
+				"pl7.app/format": ".2f",
+				"pl7.app/description": CHARGE_SHIFT_DESC,
+				"pl7.app/table/visibility": "default",
+				"pl7.app/table/orderPriority": string(chargeOrder - 50)
+			})]
+		cols += [makeCol("gravy_" + chain + "_CDR3", "pl7.app/hydrophobicity", "Double",
+			frag.cdr3 + " Hydrophobicity (GRAVY)", cdr3Dom, {
+				"pl7.app/format": ".3f",
+				"pl7.app/isScore": "true",
+				"pl7.app/score/rankingOrder": "increasing",
+				"pl7.app/description": CDR3_GRAVY_DESC[chain],
+				"pl7.app/table/visibility": "default",
+				"pl7.app/table/orderPriority": string(gravyOrder)
+			})]
+	}
+	return cols
+}
+
+buildFullChainColumns := func(receptor, fullChains) {
+	cols := []
+	fcOrderBaseA := 67000
+	fcOrderBaseB := 66000
+	for chain in fullChains {
+		frag := labelFragments(receptor, chain)
+		fcDom := { "pl7.app/feature": "VDJRegion", "pl7.app/vdj/scClonotypeChain": chain }
+		base := (chain == "A" ? fcOrderBaseA : fcOrderBaseB)
+		fcLabel := frag.fullChain
+
+		cols += [makeCol("charge_" + chain + "_VDJRegion", "pl7.app/charge", "Double",
+			fcLabel + " Net Charge (pH 7)", fcDom, {
+				"pl7.app/format": ".2f",
+				"pl7.app/isScore": "true",
+				"pl7.app/description": "Non-monotonic vs developability: strongly positive correlates with polyreactivity; strongly negative with rapid clearance.",
+				"pl7.app/table/visibility": "default",
+				"pl7.app/table/orderPriority": string(base)
+			})]
+		cols += [makeCol("pi_" + chain + "_VDJRegion", "pl7.app/isoelectricPoint", "Double",
+			fcLabel + " Isoelectric Point (pI)", fcDom, {
+				"pl7.app/format": ".2f",
+				"pl7.app/isScore": "true",
+				"pl7.app/min": "0",
+				"pl7.app/max": "14",
+				"pl7.app/table/visibility": "default",
+				"pl7.app/table/orderPriority": string(base - 100)
+			})]
+		cols += [makeCol("gravy_" + chain + "_VDJRegion", "pl7.app/hydrophobicity", "Double",
+			fcLabel + " Hydrophobicity (GRAVY)", fcDom, {
+				"pl7.app/format": ".3f",
+				"pl7.app/description": "Framework regions dominate; weak developability signal at chain level — CDR3 hydrophobicity is more discriminating.",
+				"pl7.app/table/visibility": "default",
+				"pl7.app/table/orderPriority": string(base - 200)
+			})]
+		cols += [makeCol("mw_" + chain + "_VDJRegion", "pl7.app/molecularWeight", "Double",
+			fcLabel + " Molecular Weight (Da, average masses)", fcDom, {
+				"pl7.app/format": ".1f",
+				"pl7.app/min": "0",
+				"pl7.app/description": "Unglycosylated sequence mass — does not include N-glycan contributions from any NXS/NXT sequons in the variable region.",
+				"pl7.app/table/visibility": "optional",
+				"pl7.app/table/orderPriority": string(base - 300)
+			})]
+		cols += [makeCol("eox_" + chain + "_VDJRegion", "pl7.app/extinctionCoefficientOx", "Double",
+			fcLabel + " Extinction Coeff., Oxidized (M⁻¹cm⁻¹)", fcDom, {
+				"pl7.app/format": ".0f",
+				"pl7.app/min": "0",
+				"pl7.app/table/visibility": "optional",
+				"pl7.app/table/orderPriority": string(base - 400)
+			})]
+		cols += [makeCol("ered_" + chain + "_VDJRegion", "pl7.app/extinctionCoefficientRed", "Double",
+			fcLabel + " Extinction Coeff., Reduced (M⁻¹cm⁻¹)", fcDom, {
+				"pl7.app/format": ".0f",
+				"pl7.app/min": "0",
+				"pl7.app/table/visibility": "optional",
+				"pl7.app/table/orderPriority": string(base - 500)
+			})]
+		cols += [makeCol("instability_" + chain + "_VDJRegion", "pl7.app/instabilityIndex", "Double",
+			fcLabel + " Instability Index", fcDom, {
+				"pl7.app/format": ".2f",
+				"pl7.app/description": "Guruprasad index, calibrated for in-vitro stability of soluble globular proteins via dipeptide composition. Weak predictor of antibody Tm — use as supplementary ranking aid.",
+				"pl7.app/table/visibility": "optional",
+				"pl7.app/table/orderPriority": string(base - 600)
+			})]
+		cols += [makeCol("aliphatic_" + chain + "_VDJRegion", "pl7.app/aliphaticIndex", "Double",
+			fcLabel + " Aliphatic Index", fcDom, {
+				"pl7.app/format": ".1f",
+				"pl7.app/min": "0",
+				"pl7.app/description": "Ikai aliphatic index, derived from globular mesophilic enzymes. Weak correlation with antibody Tm. No rankingOrder — high values can correlate with aggregation propensity.",
+				"pl7.app/table/visibility": "optional",
+				"pl7.app/table/orderPriority": string(base - 700)
+			})]
+		cols += [makeCol("aromaticity_" + chain + "_VDJRegion", "pl7.app/aromaticity", "Double",
+			fcLabel + " Aromaticity", fcDom, {
+				"pl7.app/format": ".3f",
+				"pl7.app/min": "0",
+				"pl7.app/max": "1",
+				"pl7.app/description": "Fraction of aromatic residues (Phe, Trp, Tyr) over the full chain. Framework dominates; CDR-specific aromaticity is a stronger predictor (Phase 2).",
+				"pl7.app/table/visibility": "optional",
+				"pl7.app/table/orderPriority": string(base - 800)
+			})]
+	}
+	return cols
+}
+
+buildFvColumns := func() {
+	cols := []
+	fvDom := { "pl7.app/feature": "Fv" }
+
+	cols += [makeCol("charge_Fv", "pl7.app/charge", "Double",
+		"Fv Net Charge (pH 7)", fvDom, {
+			"pl7.app/format": ".2f",
+			"pl7.app/isScore": "true",
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "65100"
+		})]
+	cols += [makeCol("chargeShift_Fv", "pl7.app/chargeShift", "Double",
+		"Fv ΔCharge (pH 7.4 → 6.0)", {
+			"pl7.app/feature": "Fv",
+			"pl7.app/pH/from": CHARGE_SHIFT_PH_FROM,
+			"pl7.app/pH/to": CHARGE_SHIFT_PH_TO
+		}, {
+			"pl7.app/format": ".2f",
+			"pl7.app/description": CHARGE_SHIFT_DESC,
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "65050"
+		})]
+	cols += [makeCol("pi_Fv", "pl7.app/isoelectricPoint", "Double",
+		"Fv Isoelectric Point (pI)", fvDom, {
+			"pl7.app/format": ".2f",
+			"pl7.app/isScore": "true",
+			"pl7.app/min": "0",
+			"pl7.app/max": "14",
+			"pl7.app/description": "Variable region (VH+VL) only. Fv pI is typically 2–4 pH units higher than whole-IgG cIEF measurements, which include constant regions (IgG1 Fc pI ≈ 5–6).",
+			"pl7.app/table/visibility": "default",
+			"pl7.app/table/orderPriority": "65000"
+		})]
+	cols += [makeCol("eox_Fv", "pl7.app/extinctionCoefficientOx", "Double",
+		"Fv Extinction Coeff., Oxidized (M⁻¹cm⁻¹)", fvDom, {
+			"pl7.app/format": ".0f",
+			"pl7.app/min": "0",
+			"pl7.app/description": "Variable region (VH+VL) only — does not include constant regions. For whole-IgG A280 quantification, use the full-antibody ε.",
+			"pl7.app/table/visibility": "optional",
+			"pl7.app/table/orderPriority": "64900"
+		})]
+	cols += [makeCol("ered_Fv", "pl7.app/extinctionCoefficientRed", "Double",
+		"Fv Extinction Coeff., Reduced (M⁻¹cm⁻¹)", fvDom, {
+			"pl7.app/format": ".0f",
+			"pl7.app/min": "0",
+			"pl7.app/description": "Variable region (VH+VL) only, disulfide bonds reduced (Cys contribution omitted). A value of 0 means no Tyr or Trp — A280-based quantification is not possible.",
+			"pl7.app/table/visibility": "optional",
+			"pl7.app/table/orderPriority": "64800"
+		})]
+	cols += [makeCol("mw_Fv", "pl7.app/molecularWeight", "Double",
+		"Fv Molecular Weight (Da, average masses)", fvDom, {
+			"pl7.app/format": ".1f",
+			"pl7.app/min": "0",
+			"pl7.app/description": "Unglycosylated sequence mass (VH + VL).",
+			"pl7.app/table/visibility": "optional",
+			"pl7.app/table/orderPriority": "64700"
+		})]
+	return cols
+}
+
+buildColumns := func(args) {
+	if args.mode == "peptide" {
+		return buildPeptideColumns()
+	}
+	cols := buildCdr3Columns(args.receptor, args.chains)
+	cols += buildFullChainColumns(args.receptor, args.fullChains)
+	if args.hasFv {
+		cols += buildFvColumns()
+	}
+	return cols
+}
+
+// ---------------------------------------------------------------------------
+// Spec-cloning helper. Builds a fresh spec dict with optional domain and
+// annotation extras. Used by both getters so the two outputs never share
+// dict references.
+// ---------------------------------------------------------------------------
+
+cloneSpec := func(spec, domainExtras, annotationExtras) {
+	newDomain := {}
+	if spec.domain {
+		for k, v in spec.domain { newDomain[k] = v }
+	}
+	if domainExtras {
+		for k, v in domainExtras { newDomain[k] = v }
+	}
+	newAnnotations := {}
+	if spec.annotations {
+		for k, v in spec.annotations { newAnnotations[k] = v }
+	}
+	if annotationExtras {
+		for k, v in annotationExtras { newAnnotations[k] = v }
+	}
+	return {
+		name: spec.name,
+		valueType: spec.valueType,
+		domain: newDomain,
+		annotations: newAnnotations
+	}
+}
+
+wrap := func(col, newSpec) {
+	return {
+		column: col.column,
+		id: col.id,
+		naRegex: col.naRegex,
+		allowNA: col.allowNA,
+		spec: newSpec
+	}
+}
+
+// ---------------------------------------------------------------------------
+// Public getters.
+// ---------------------------------------------------------------------------
+
+forPropertiesPf := func(args) {
+	cols := buildColumns(args)
+	out := []
+	for col in cols {
+		out += [wrap(col, cloneSpec(col.spec, undefined, { "pl7.app/isOutput": "true" }))]
+	}
+	return out
+}
+
+forExport := func(args, blockId) {
+	cols := buildColumns(args)
+	out := []
+	for col in cols {
+		if !col.spec.annotations { continue }
+		if col.spec.annotations["pl7.app/isScore"] != "true" { continue }
+		out += [wrap(col, cloneSpec(col.spec, { "pl7.app/blockId": blockId }, undefined))]
+	}
+	return out
+}
+
+export ll.toStrict({
+	forPropertiesPf: forPropertiesPf,
+	forExport: forExport
+})
diff --git a/workflow/src/process.tpl.tengo b/workflow/src/process.tpl.tengo
index a60f20a..0478055 100644
--- a/workflow/src/process.tpl.tengo
+++ b/workflow/src/process.tpl.tengo
@@ -11,58 +11,10 @@ smart := import("@platforma-sdk/workflow-tengo:smart")
 canonical := import("@platforma-sdk/workflow-tengo:canonical")
 constants := import("@platforma-sdk/workflow-tengo:constants")
 messages := import(":messages")
+columnSpecs := import(":columns")
 
 self.defineOutputs("propertiesPf", "exportPframe", "info")
 
-// ΔCharge (pH 7.4 → 6.0) endpoints — fixed in v1 per spec; schema accepts
-// additional pH pairs without breaking existing column identities.
-CHARGE_SHIFT_PH_FROM := "7.4"
-CHARGE_SHIFT_PH_TO := "6.0"
-
-// Spec R6b — same description on every chargeShift column (peptide / CDR3 / Fv).
-// Trimmed to ~30 words for the column-header tooltip; PlAgDataTableV2 clips the
-// top edge against the page header. Magnitude rule and scope-exclusion caveats
-// live in pcolumn-spec.md / the spec, not in the tooltip.
-CHARGE_SHIFT_DESC := "Net charge change from pH 7.4 (blood) to pH 6.0 (endosome). Negative values mean the molecule gains positive charge on acidification — the productive direction for histidine-driven pH switching. Histidine dominates (~−0.46 per His)."
-
-// Receptor + chain → human label fragments (CDR3 / full-chain).
-// Spec R13a: PColumn name and chain domain are unchanged; only the label varies.
-labelFragments := func(receptor, chain) {
-	if receptor == "TCRAB" {
-		if chain == "A" { return { cdr3: "CDR-α3", fullChain: "Vα" } }
-		if chain == "B" { return { cdr3: "CDR-β3", fullChain: "Vβ" } }
-	}
-	if receptor == "TCRGD" {
-		if chain == "A" { return { cdr3: "CDR-γ3", fullChain: "Vγ" } }
-		if chain == "B" { return { cdr3: "CDR-δ3", fullChain: "Vδ" } }
-	}
-	// IG / unknown — antibody convention.
-	if chain == "A" { return { cdr3: "CDR-H3", fullChain: "VH" } }
-	return { cdr3: "CDR-L3", fullChain: "VL" }
-}
-
-// Build a single output column descriptor consumed by xsv.importFile.
-// `tsvCol` is the TSV column header emitted by Python (e.g. "charge_peptide", "charge_A_CDR3").
-// Clones the caller's `annotations` dict — mutating it in place would stamp
-// the label into shared references if any caller ever reused the literal,
-// the same aliasing footgun that the export-domain clone below already guards.
-makeCol := func(tsvCol, valName, valueType, label, domain, annotations) {
-	newAnnotations := {}
-	if annotations {
-		for k, v in annotations {
-			newAnnotations[k] = v
-		}
-	}
-	newAnnotations["pl7.app/label"] = label
-	spec := {
-		name: valName,
-		valueType: valueType,
-		domain: domain,
-		annotations: newAnnotations
-	}
-	return { column: tsvCol, id: tsvCol, naRegex: "", allowNA: true, spec: spec }
-}
-
 self.body(func(args) {
 	blockId := args.blockId
 	propertiesTsv := args.propertiesTsv
@@ -109,294 +61,16 @@ self.body(func(args) {
 	keyAxisSpec := datasetSpec.axesSpec[keyAxisIdx]
 
 	axes := [{ column: "entity_key", spec: keyAxisSpec }]
-	columns := []
-
-	if mode == "peptide" {
-		// Peptide mode — 9 scalar properties on `pl7.app/feature: "peptide"`.
-		dom := { "pl7.app/feature": "peptide" }
-
-		columns += [makeCol("charge_peptide", "pl7.app/charge", "Double",
-			"Net Charge (pH 7)", dom, {
-				"pl7.app/format": ".2f",
-				"pl7.app/isScore": "true",
-				"pl7.app/description": "Net charge at pH 7 (Henderson-Hasselbalch, IPC 2.0 peptide pKa set). Positive = net basic (Arg, Lys, His dominate); negative = net acidic (Asp, Glu dominate). No universal preferred direction.",
-				"pl7.app/table/visibility": "default",
-				"pl7.app/table/orderPriority": "70000"
-			})]
-
-		columns += [makeCol("chargeShift_peptide", "pl7.app/chargeShift", "Double",
-			"Peptide ΔCharge (pH 7.4 → 6.0)", {
-				"pl7.app/feature": "peptide",
-				"pl7.app/pH/from": CHARGE_SHIFT_PH_FROM,
-				"pl7.app/pH/to": CHARGE_SHIFT_PH_TO
-			}, {
-				"pl7.app/format": ".2f",
-				"pl7.app/description": CHARGE_SHIFT_DESC,
-				"pl7.app/table/visibility": "default",
-				"pl7.app/table/orderPriority": "69950"
-			})]
-
-		columns += [makeCol("gravy_peptide", "pl7.app/hydrophobicity", "Double",
-			"Hydrophobicity (GRAVY)", dom, {
-				"pl7.app/format": ".3f",
-				"pl7.app/isScore": "true",
-				"pl7.app/score/rankingOrder": "increasing",
-				"pl7.app/description": "rankingOrder: increasing reflects preference for lower hydrophobicity. Invert direction in Lead Selection for hydrophobic-target applications.",
-				"pl7.app/table/visibility": "default",
-				"pl7.app/table/orderPriority": "69900"
-			})]
-
-		columns += [makeCol("mw_peptide", "pl7.app/molecularWeight", "Double",
-			"Molecular Weight (Da, average masses)", dom, {
-				"pl7.app/format": ".1f",
-				"pl7.app/min": "0",
-				"pl7.app/table/visibility": "default",
-				"pl7.app/table/orderPriority": "69800"
-			})]
-
-		columns += [makeCol("pi_peptide", "pl7.app/isoelectricPoint", "Double",
-			"Isoelectric Point (pI)", dom, {
-				"pl7.app/format": ".2f",
-				"pl7.app/min": "0",
-				"pl7.app/max": "14",
-				"pl7.app/table/visibility": "default",
-				"pl7.app/table/orderPriority": "69700"
-			})]
-
-		columns += [makeCol("eox_peptide", "pl7.app/extinctionCoefficientOx", "Double",
-			"Extinction Coeff., Oxidized (M⁻¹cm⁻¹)", dom, {
-				"pl7.app/format": ".0f",
-				"pl7.app/min": "0",
-				"pl7.app/description": "Assumes all Cys are in disulfide bonds. For unprotected linear peptides use the reduced form.",
-				"pl7.app/table/visibility": "optional",
-				"pl7.app/table/orderPriority": "69600"
-			})]
-
-		columns += [makeCol("ered_peptide", "pl7.app/extinctionCoefficientRed", "Double",
-			"Extinction Coeff., Reduced (M⁻¹cm⁻¹)", dom, {
-				"pl7.app/format": ".0f",
-				"pl7.app/min": "0",
-				"pl7.app/description": "Extinction coefficient at 280 nm, disulfide bonds reduced (Cys contribution omitted). A value of 0 means no Tyr or Trp — A280-based quantification is not possible.",
-				"pl7.app/table/visibility": "optional",
-				"pl7.app/table/orderPriority": "69500"
-			})]
-
-		columns += [makeCol("instability_peptide", "pl7.app/instabilityIndex", "Double",
-			"Instability Index", dom, {
-				"pl7.app/format": ".2f",
-				"pl7.app/description": "Guruprasad index — derived from globular proteins. The II > 40 threshold does not apply to short linear peptides; use as a relative composition ranking aid only.",
-				"pl7.app/table/visibility": "default",
-				"pl7.app/table/orderPriority": "69400"
-			})]
-
-		columns += [makeCol("aliphatic_peptide", "pl7.app/aliphaticIndex", "Double",
-			"Aliphatic Index", dom, {
-				"pl7.app/format": ".1f",
-				"pl7.app/min": "0",
-				"pl7.app/description": "Measures fraction of nonpolar aliphatic residues (Ala, Val, Ile, Leu). For short linear peptides, thermostability interpretation does not apply — the Ikai index was derived for globular mesophilic enzymes, and thermostability is not a meaningful concept for unstructured peptides. Useful as a composition indicator and a proxy for hydrophobic character alongside GRAVY — both metrics increase with Ala/Val/Ile/Leu content, but neither has a universal preferred direction for therapeutic peptides.",
-				"pl7.app/table/visibility": "optional",
-				"pl7.app/table/orderPriority": "69300"
-			})]
 
-		columns += [makeCol("aromaticity_peptide", "pl7.app/aromaticity", "Double",
-			"Aromaticity", dom, {
-				"pl7.app/format": ".3f",
-				"pl7.app/min": "0",
-				"pl7.app/max": "1",
-				"pl7.app/description": "Fraction of aromatic residues (Phe, Trp, Tyr).",
-				"pl7.app/table/visibility": "optional",
-				"pl7.app/table/orderPriority": "69200"
-			})]
-
-	} else {
-		// Antibody/TCR mode — CDR3 columns per chain, full-chain when present, Fv when paired.
-		// CDR-H3 (chain A) and CDR-L3 (chain B) carry different descriptions per
-		// pcolumn-spec.md — different developability signals.
-		cdr3ChargeDesc := {
-			A: "Strongly positive CDR3 charge correlates with polyreactivity via electrostatic interactions. No universal preferred direction in Lead Selection. IPC 2.0 peptide pKa set.",
-			B: "Strongly positive CDR-L3 charge contributes to paratope polyreactivity. Strongly negative charge is primarily a PK concern. No universal preferred direction. IPC 2.0 peptide pKa set."
-		}
-		cdr3GravyDesc := {
-			A: "Lower hydrophobicity preferred for developability. CDR3 GRAVY > 0 is an informal aggregation/polyreactivity heuristic.",
-			B: "Same aggregation and polyreactivity signal as CDR-H3 hydrophobicity; lower independent predictive weight. The TAP score uses combined 6-CDR GRAVY — CDR-L3 alone has limited independent validation."
-		}
-		cdr3OrderA := 68000
-		cdr3OrderB := 67700
-		for chain in chains {
-			frag := labelFragments(receptor, chain)
-			cdr3Dom := { "pl7.app/feature": "CDR3", "pl7.app/vdj/scClonotypeChain": chain }
-			chargeOrder := (chain == "A" ? cdr3OrderA : cdr3OrderB)
-			gravyOrder := chargeOrder - 100
-
-			columns += [makeCol("charge_" + chain + "_CDR3", "pl7.app/charge", "Double",
-				frag.cdr3 + " Net Charge (pH 7)", cdr3Dom, {
-					"pl7.app/format": ".2f",
-					"pl7.app/isScore": "true",
-					"pl7.app/description": cdr3ChargeDesc[chain],
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": string(chargeOrder)
-				})]
-			columns += [makeCol("chargeShift_" + chain + "_CDR3", "pl7.app/chargeShift", "Double",
-				frag.cdr3 + " ΔCharge (pH 7.4 → 6.0)", {
-					"pl7.app/feature": "CDR3",
-					"pl7.app/vdj/scClonotypeChain": chain,
-					"pl7.app/pH/from": CHARGE_SHIFT_PH_FROM,
-					"pl7.app/pH/to": CHARGE_SHIFT_PH_TO
-				}, {
-					"pl7.app/format": ".2f",
-					"pl7.app/description": CHARGE_SHIFT_DESC,
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": string(chargeOrder - 50)
-				})]
-			columns += [makeCol("gravy_" + chain + "_CDR3", "pl7.app/hydrophobicity", "Double",
-				frag.cdr3 + " Hydrophobicity (GRAVY)", cdr3Dom, {
-					"pl7.app/format": ".3f",
-					"pl7.app/isScore": "true",
-					"pl7.app/score/rankingOrder": "increasing",
-					"pl7.app/description": cdr3GravyDesc[chain],
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": string(gravyOrder)
-				})]
-		}
-
-		// Full-chain columns (9 per chain when reconstructed).
-		fcOrderBaseA := 67000
-		fcOrderBaseB := 66000
-		for chain in fullChains {
-			frag := labelFragments(receptor, chain)
-			fcDom := { "pl7.app/feature": "VDJRegion", "pl7.app/vdj/scClonotypeChain": chain }
-			base := (chain == "A" ? fcOrderBaseA : fcOrderBaseB)
-			fcLabel := frag.fullChain
-
-			columns += [makeCol("charge_" + chain + "_VDJRegion", "pl7.app/charge", "Double",
-				fcLabel + " Net Charge (pH 7)", fcDom, {
-					"pl7.app/format": ".2f",
-					"pl7.app/isScore": "true",
-					"pl7.app/description": "Non-monotonic vs developability: strongly positive correlates with polyreactivity; strongly negative with rapid clearance.",
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": string(base)
-				})]
-			columns += [makeCol("pi_" + chain + "_VDJRegion", "pl7.app/isoelectricPoint", "Double",
-				fcLabel + " Isoelectric Point (pI)", fcDom, {
-					"pl7.app/format": ".2f",
-					"pl7.app/isScore": "true",
-					"pl7.app/min": "0",
-					"pl7.app/max": "14",
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": string(base - 100)
-				})]
-			columns += [makeCol("gravy_" + chain + "_VDJRegion", "pl7.app/hydrophobicity", "Double",
-				fcLabel + " Hydrophobicity (GRAVY)", fcDom, {
-					"pl7.app/format": ".3f",
-					"pl7.app/description": "Framework regions dominate; weak developability signal at chain level — CDR3 hydrophobicity is more discriminating.",
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": string(base - 200)
-				})]
-			columns += [makeCol("mw_" + chain + "_VDJRegion", "pl7.app/molecularWeight", "Double",
-				fcLabel + " Molecular Weight (Da, average masses)", fcDom, {
-					"pl7.app/format": ".1f",
-					"pl7.app/min": "0",
-					"pl7.app/description": "Unglycosylated sequence mass — does not include N-glycan contributions from any NXS/NXT sequons in the variable region.",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": string(base - 300)
-				})]
-			columns += [makeCol("eox_" + chain + "_VDJRegion", "pl7.app/extinctionCoefficientOx", "Double",
-				fcLabel + " Extinction Coeff., Oxidized (M⁻¹cm⁻¹)", fcDom, {
-					"pl7.app/format": ".0f",
-					"pl7.app/min": "0",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": string(base - 400)
-				})]
-			columns += [makeCol("ered_" + chain + "_VDJRegion", "pl7.app/extinctionCoefficientRed", "Double",
-				fcLabel + " Extinction Coeff., Reduced (M⁻¹cm⁻¹)", fcDom, {
-					"pl7.app/format": ".0f",
-					"pl7.app/min": "0",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": string(base - 500)
-				})]
-			columns += [makeCol("instability_" + chain + "_VDJRegion", "pl7.app/instabilityIndex", "Double",
-				fcLabel + " Instability Index", fcDom, {
-					"pl7.app/format": ".2f",
-					"pl7.app/description": "Guruprasad index, calibrated for in-vitro stability of soluble globular proteins via dipeptide composition. Weak predictor of antibody Tm — use as supplementary ranking aid.",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": string(base - 600)
-				})]
-			columns += [makeCol("aliphatic_" + chain + "_VDJRegion", "pl7.app/aliphaticIndex", "Double",
-				fcLabel + " Aliphatic Index", fcDom, {
-					"pl7.app/format": ".1f",
-					"pl7.app/min": "0",
-					"pl7.app/description": "Ikai aliphatic index, derived from globular mesophilic enzymes. Weak correlation with antibody Tm. No rankingOrder — high values can correlate with aggregation propensity.",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": string(base - 700)
-				})]
-			columns += [makeCol("aromaticity_" + chain + "_VDJRegion", "pl7.app/aromaticity", "Double",
-				fcLabel + " Aromaticity", fcDom, {
-					"pl7.app/format": ".3f",
-					"pl7.app/min": "0",
-					"pl7.app/max": "1",
-					"pl7.app/description": "Fraction of aromatic residues (Phe, Trp, Tyr) over the full chain. Framework dominates; CDR-specific aromaticity is a stronger predictor (Phase 2).",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": string(base - 800)
-				})]
-		}
-
-		// Fv columns — only when both VH and VL full chains reconstructed (antibody only).
-		if hasFv {
-			fvDom := { "pl7.app/feature": "Fv" }
-			columns += [makeCol("charge_Fv", "pl7.app/charge", "Double",
-				"Fv Net Charge (pH 7)", fvDom, {
-					"pl7.app/format": ".2f",
-					"pl7.app/isScore": "true",
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": "65100"
-				})]
-			columns += [makeCol("chargeShift_Fv", "pl7.app/chargeShift", "Double",
-				"Fv ΔCharge (pH 7.4 → 6.0)", {
-					"pl7.app/feature": "Fv",
-					"pl7.app/pH/from": CHARGE_SHIFT_PH_FROM,
-					"pl7.app/pH/to": CHARGE_SHIFT_PH_TO
-				}, {
-					"pl7.app/format": ".2f",
-					"pl7.app/description": CHARGE_SHIFT_DESC,
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": "65050"
-				})]
-			columns += [makeCol("pi_Fv", "pl7.app/isoelectricPoint", "Double",
-				"Fv Isoelectric Point (pI)", fvDom, {
-					"pl7.app/format": ".2f",
-					"pl7.app/isScore": "true",
-					"pl7.app/min": "0",
-					"pl7.app/max": "14",
-					"pl7.app/description": "Variable region (VH+VL) only. Fv pI is typically 2–4 pH units higher than whole-IgG cIEF measurements, which include constant regions (IgG1 Fc pI ≈ 5–6).",
-					"pl7.app/table/visibility": "default",
-					"pl7.app/table/orderPriority": "65000"
-				})]
-			columns += [makeCol("eox_Fv", "pl7.app/extinctionCoefficientOx", "Double",
-				"Fv Extinction Coeff., Oxidized (M⁻¹cm⁻¹)", fvDom, {
-					"pl7.app/format": ".0f",
-					"pl7.app/min": "0",
-					"pl7.app/description": "Variable region (VH+VL) only — does not include constant regions. For whole-IgG A280 quantification, use the full-antibody ε.",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": "64900"
-				})]
-			columns += [makeCol("ered_Fv", "pl7.app/extinctionCoefficientRed", "Double",
-				"Fv Extinction Coeff., Reduced (M⁻¹cm⁻¹)", fvDom, {
-					"pl7.app/format": ".0f",
-					"pl7.app/min": "0",
-					"pl7.app/description": "Variable region (VH+VL) only, disulfide bonds reduced (Cys contribution omitted). A value of 0 means no Tyr or Trp — A280-based quantification is not possible.",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": "64800"
-				})]
-			columns += [makeCol("mw_Fv", "pl7.app/molecularWeight", "Double",
-				"Fv Molecular Weight (Da, average masses)", fvDom, {
-					"pl7.app/format": ".1f",
-					"pl7.app/min": "0",
-					"pl7.app/description": "Unglycosylated sequence mass (VH + VL).",
-					"pl7.app/table/visibility": "optional",
-					"pl7.app/table/orderPriority": "64700"
-				})]
-		}
+	colArgs := {
+		mode: mode,
+		receptor: receptor,
+		chains: chains,
+		fullChains: fullChains,
+		hasFv: hasFv
 	}
+	columns := columnSpecs.forPropertiesPf(colArgs)
+	exportColumns := columnSpecs.forExport(colArgs, blockId)
 
 	outputSpecs := {
 		axes: axes,
@@ -405,35 +79,6 @@ self.body(func(args) {
 		partitionKeyLength: 0
 	}
 
-	// Stamp blockId on the export-only columns (lets downstream blocks distinguish runs).
-	// Build a fresh column with a cloned domain dict — mutating col.spec.domain
-	// in place would also stamp blockId on outputSpecs.columns since both lists
-	// share the same column references.
-	exportColumns := []
-	for col in columns {
-		if col.spec.annotations && col.spec.annotations["pl7.app/isScore"] == "true" {
-			newDomain := {}
-			if col.spec.domain {
-				for k, v in col.spec.domain {
-					newDomain[k] = v
-				}
-			}
-			newDomain["pl7.app/blockId"] = blockId
-			exportColumns += [{
-				column: col.column,
-				id: col.id,
-				naRegex: col.naRegex,
-				allowNA: col.allowNA,
-				spec: {
-					name: col.spec.name,
-					valueType: col.spec.valueType,
-					domain: newDomain,
-					annotations: col.spec.annotations
-				}
-			}]
-		}
-	}
-
 	exportSpecs := {
 		axes: axes,
 		columns: exportColumns,
@@ -502,12 +147,12 @@ self.body(func(args) {
 	resultPframe := pframes.pFrameBuilder()
 	for _, k in maps.getKeys(scalarOut) {
 		v := scalarOut[k]
-		resultPframe.add(k, trace.inject(v.spec), v.data)
+		resultPframe.add(k, v.spec, v.data)
 	}
 	if aaOut != undefined {
 		for _, k in maps.getKeys(aaOut) {
 			v := aaOut[k]
-			resultPframe.add(k, trace.inject(v.spec), v.data)
+			resultPframe.add(k, v.spec, v.data)
 		}
 	}
 	resultPframe = resultPframe.build()

From 73b4e4df7a612e9a466d801292cd46634365bd6a Mon Sep 17 00:00:00 2001
From: Julen Mendieta <jmendieta@milaboratories.com>
Date: Tue, 12 May 2026 14:19:19 +0200
Subject: [PATCH 2/2] Changeset

---
 .changeset/fancy-readers-rest.md | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 .changeset/fancy-readers-rest.md

diff --git a/.changeset/fancy-readers-rest.md b/.changeset/fancy-readers-rest.md
new file mode 100644
index 0000000..2e25945
--- /dev/null
+++ b/.changeset/fancy-readers-rest.md
@@ -0,0 +1,7 @@
+---
+'@platforma-open/milaboratories.sequence-properties.workflow': patch
+'@platforma-open/milaboratories.sequence-properties.model': patch
+'@platforma-open/milaboratories.sequence-properties.ui': patch
+---
+
+Enable linker usage to show plot options