From de4704f6cd07e061dd4810f4033d78f055557086 Mon Sep 17 00:00:00 2001
From: bot-backend <bot-backend@gendsgn.local>
Date: Tue, 30 Jun 2026 10:09:55 +0000
Subject: [PATCH] =?UTF-8?q?fix(concept):=20step=3D"any"=20=E2=80=94=20step?=
 =?UTF-8?q?Mismatch=20=D0=B1=D0=BB=D0=BE=D0=BA=D0=B8=D1=80=D0=BE=D0=B2?=
 =?UTF-8?q?=D0=B0=D0=BB=20submit=20=C2=AB=D0=A0=D0=B0=D1=81=D1=81=D1=87?=
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---
 frontend/src/components/concept/ConceptParamsForm.tsx |  5 ++++-
 .../src/components/concept/ConceptProgramForm.tsx     | 11 +++++++----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/frontend/src/components/concept/ConceptParamsForm.tsx b/frontend/src/components/concept/ConceptParamsForm.tsx
index 95117f61..cac862bb 100644
--- a/frontend/src/components/concept/ConceptParamsForm.tsx
+++ b/frontend/src/components/concept/ConceptParamsForm.tsx
@@ -163,7 +163,10 @@ export function ConceptParamsForm({
           id="land-cost"
           type="number"
           min={0}
-          step={1_000_000}
+          // step="any" — произвольная сумма ₽; step={1_000_000} давал HTML5
+          // stepMismatch на не-кратных значениях → форма :invalid → submit молча
+          // блокировался (см. ConceptProgramForm fix).
+          step="any"
           value={params.land_cost_rub ?? ""}
           placeholder="Необязательно"
           onChange={(e) => {
diff --git a/frontend/src/components/concept/ConceptProgramForm.tsx b/frontend/src/components/concept/ConceptProgramForm.tsx
index 7c8f32f7..a7ab4ed7 100644
--- a/frontend/src/components/concept/ConceptProgramForm.tsx
+++ b/frontend/src/components/concept/ConceptProgramForm.tsx
@@ -383,7 +383,7 @@ export function ConceptProgramForm({
           <input
             id="cpf-floor-height"
             type="number"
-            step={0.1}
+            step="any"
             min={FLOOR_HEIGHT_MIN}
             max={FLOOR_HEIGHT_MAX}
             value={floorHeight}
@@ -438,7 +438,7 @@ export function ConceptProgramForm({
               aria-label="Ширина пятна секции, м"
               min={FOOTPRINT_MIN}
               max={FOOTPRINT_MAX}
-              step={1}
+              step="any"
               value={effFootprintW ?? ""}
               disabled={!catalogReady}
               onChange={(e) =>
@@ -461,7 +461,7 @@ export function ConceptProgramForm({
               aria-label="Глубина пятна секции, м"
               min={FOOTPRINT_MIN}
               max={FOOTPRINT_MAX}
-              step={1}
+              step="any"
               value={effFootprintD ?? ""}
               disabled={!catalogReady}
               onChange={(e) =>
@@ -542,7 +542,10 @@ export function ConceptProgramForm({
             id="cpf-land-cost"
             type="number"
             min={0}
-            step={1_000_000}
+            // step="any" — иначе сид из кадастровой стоимости (не кратной шагу,
+            // напр. 74 766.08 ₽) даёт HTML5 stepMismatch → форма :invalid →
+            // браузер молча блокирует submit и кнопка «Рассчитать» не работает.
+            step="any"
             value={landCostRub ?? ""}
             placeholder="Необязательно"
             onChange={(e) => {