From efdcaec49fc6876751f0bfbc970c99d6651a6f20 Mon Sep 17 00:00:00 2001
From: Codex <codex@geointel.local>
Date: Fri, 17 Jul 2026 15:37:35 +0200
Subject: [PATCH] Show bathymetry survey range

---
 backend/tests/test_sprint235_bathymetry_profiles.py | 1 +
 frontend/src/components/map/MapWorkspace.tsx        | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/backend/tests/test_sprint235_bathymetry_profiles.py b/backend/tests/test_sprint235_bathymetry_profiles.py
index 0eda5b57..a0901d92 100644
--- a/backend/tests/test_sprint235_bathymetry_profiles.py
+++ b/backend/tests/test_sprint235_bathymetry_profiles.py
@@ -357,3 +357,4 @@ def test_bathymetry_contract_and_expansion_roadmap_are_documented() -> None:
     map_workspace = (ROOT / "frontend" / "src" / "components" / "map" / "MapWorkspace.tsx").read_text(encoding="utf-8")
     assert 'DEFAULT_PROJECT_NAME = "Kempen Regional Workbench"' in operator
     assert "regional_partitions_complete" in map_workspace
+    assert "historische profielen" in map_workspace
diff --git a/frontend/src/components/map/MapWorkspace.tsx b/frontend/src/components/map/MapWorkspace.tsx
index 57af3436..19087898 100644
--- a/frontend/src/components/map/MapWorkspace.tsx
+++ b/frontend/src/components/map/MapWorkspace.tsx
@@ -425,6 +425,13 @@ function formatDatasetObservation(dataset: DatasetCreateResponse): string {
   if (dataset.source_name === 'vmm_flood_hazard') {
     return `scenario ${String(dataset.source_metadata?.['climate_context'] ?? '')} · ${String(dataset.source_metadata?.['probability_class'] ?? '')}`
   }
+  if (dataset.source_name === 'vmm_vha_bathymetry_profiles') {
+    const firstMeasurement = String(dataset.source_metadata?.['measurement_date_min'] ?? '').slice(0, 4)
+    const lastMeasurement = String(dataset.source_metadata?.['measurement_date_max'] ?? '').slice(0, 4)
+    return firstMeasurement && lastMeasurement
+      ? `historische profielen ${firstMeasurement}-${lastMeasurement}`
+      : 'historische profielmetingen'
+  }
   const period = dataset.source_metadata?.['acquisition_period']
   if (typeof period === 'string' && period.trim()) {
     return `opnameperiode ${period}`