Hinweise optimiert

apps/api/src/app.ts

@@ -56,16 +56,7 @@ const routeRequestSchema = z.object({
     airDraftM: z.number().positive().max(80).optional(),
     beamM: z.number().positive().max(80).optional(),
     cruiseSpeedKn: z.number().positive().max(80).optional()
-  }),
-  depthSamples: z
-    .array(
-      z.object({
-        coordinate: coordinateSchema,
-        depthM: z.number().nullable()
-      })
-    )
-    .max(500)
-    .optional()
+  })
 }) satisfies z.ZodType<RouteRequest>;
 
 const coordinateQuerySchema = z.object({

apps/api/src/services/fairways.ts

@@ -54,7 +54,6 @@ export type FairwayRow = {
   source: string;
   source_id: string | null;
   name: string | null;
-  min_depth_m: string | number | null;
   properties?: Record<string, unknown> | null;
   geometry: {
     type: "LineString";
@@ -165,7 +164,6 @@ export class FairwayService {
             source,
             source_id,
             name,
-            min_depth_m,
             properties,
             ST_AsGeoJSON(geom)::json AS geometry
           FROM marine_fairway_edges
@@ -328,7 +326,6 @@ export function fairwayRowsToGraph(rows: FairwayRow[], bbox: [number, number, nu
           id: `postgis-edge-${row.id}`,
           name: row.name ?? row.source_id ?? `PostGIS ${row.id}`,
           coordinates: row.geometry.coordinates.map(([lon, lat]) => ({ lon, lat })),
-          minDepthM: parseNumeric(row.min_depth_m),
           source: `postgis-${row.source}`,
           ...edgeRestrictions(tags)
         };
@@ -352,7 +349,6 @@ export function overpassToGraph(response: OverpassResponse, bbox: [number, numbe
         id: `osm-way-${element.id}`,
         name: tags.name ?? tags.ref ?? `OSM ${element.id}`,
         coordinates,
-        minDepthM: parseDepth(tags),
         source: sourceFor(tags),
         ...edgeRestrictions(tags)
       };
@@ -386,7 +382,6 @@ export function localFairwaysToGraph(
           id: `local-osm-way-${way.id}`,
           name: tags.name ?? tags.ref ?? `OSM ${way.id}`,
           coordinates,
-          minDepthM: parseDepth(tags),
           source: `local-geofabrik-${source}`,
           ...edgeRestrictions(tags)
         };
@@ -443,7 +438,6 @@ function waysToGraph(
     id: string;
     name: string;
     coordinates: Coordinate[];
-    minDepthM: number | null;
     source: string;
     maxAirDraftM?: number | null;
     maxBeamM?: number | null;
@@ -473,7 +467,6 @@ function waysToGraph(
         from,
         to,
         coordinates: [start, end],
-        minDepthM: way.minDepthM,
         source: way.source,
         maxAirDraftM: way.maxAirDraftM,
         maxBeamM: way.maxBeamM,
@@ -579,28 +572,6 @@ function nodeIdFor(nodes: Map<string, FairwayNode>, coordinate: Coordinate) {
   return id;
 }
 
-function parseDepth(tags: Record<string, string>) {
-  const candidates = [
-    tags["seamark:fairway:minimum_depth"],
-    tags["seamark:recommended_track:minimum_depth"],
-    tags["seamark:navigation_line:minimum_depth"],
-    tags["depth"],
-    tags["min_depth"]
-  ];
-
-  for (const candidate of candidates) {
-    if (!candidate) {
-      continue;
-    }
-    const parsed = parseNumeric(candidate);
-    if (Number.isFinite(parsed)) {
-      return parsed;
-    }
-  }
-
-  return null;
-}
-
 function edgeRestrictions(tags: Record<string, string>) {
   return {
     maxAirDraftM: firstNumericTag(tags, [

apps/api/tests/api.test.ts

@@ -36,7 +36,6 @@ const testFairwayGraph = (
       from: `${id}-start`,
       to: `${id}-destination`,
       coordinates: [start, destination],
-      minDepthM: null,
       source: "test-fairway-source"
     }
   ]
@@ -68,7 +67,6 @@ const boundedSnapSearchFixture = () => {
         from: "junction",
         to: `trap-${index + 1}`,
         coordinates: [{ lat: 52, lon: 7 }, coordinate],
-        minDepthM: 4,
         oneway: true as const,
         source: `api-bounded-trap-${index + 1}`
       })),
@@ -78,7 +76,6 @@ const boundedSnapSearchFixture = () => {
         from: "junction",
         to: "destination",
         coordinates: [{ lat: 52, lon: 7 }, destination],
-        minDepthM: 4,
         oneway: true as const,
         source: "api-ninth-main-route"
       }
@@ -220,26 +217,6 @@ describe("Watermaps API", () => {
     await app.close();
   });
 
-  it("returns critical route warnings for shallow samples", async () => {
-    const app = await buildServer({ cache: createCache(), env: demoEnv });
-    const response = await app.inject({
-      method: "POST",
-      url: "/api/routes",
-      payload: {
-        start: { lat: 53.344167, lon: 7.186111 },
-        destination: { lat: 53.563776, lon: 6.750562 },
-        vesselProfile: { draughtM: 1.5, safetyReserveM: 0.4 },
-        depthSamples: [{ coordinate: { lat: 53.442996, lon: 6.833146 }, depthM: 1.6 }]
-      }
-    });
-
-    expect(response.statusCode).toBe(200);
-    expect(response.json().warnings.some((warning: { severity: string }) => warning.severity === "critical")).toBe(
-      true
-    );
-    await app.close();
-  });
-
   it("rejects routes without a known fairway instead of returning a straight line", async () => {
     const app = await buildServer({
       cache: createCache(),
@@ -443,7 +420,6 @@ describe("Watermaps API", () => {
     expect(body.routingMode).toBe("fairway");
     expect(body.dataSources).toContain("fairway-graph:ems-borkum-seed");
     expect(body.geometry.coordinates.length).toBeGreaterThan(20);
-    expect(body.warnings.some((warning: { code: string }) => warning.code === "FAIRWAY_ROUTE")).toBe(true);
     await app.close();
   });
 
@@ -469,7 +445,6 @@ describe("Watermaps API", () => {
                   name: "Norddeich Fahrwasser",
                   from: "norddeich",
                   to: "fairway",
-                  minDepthM: null,
                   source: "local-geofabrik-test",
                   coordinates: [
                     { lat: 53.6234, lon: 7.1559 },
@@ -481,7 +456,6 @@ describe("Watermaps API", () => {
                   name: "Norderney Fahrwasser",
                   from: "fairway",
                   to: "norderney",
-                  minDepthM: null,
                   source: "local-geofabrik-test",
                   coordinates: [
                     { lat: 53.66, lon: 7.16 },
@@ -605,7 +579,6 @@ describe("Watermaps API", () => {
                   name: "AB",
                   from: "a",
                   to: "b",
-                  minDepthM: 4,
                   source: "test-overpass",
                   coordinates: [
                     { lat: 54, lon: 10 },
@@ -617,7 +590,6 @@ describe("Watermaps API", () => {
                   name: "BC",
                   from: "b",
                   to: "c",
-                  minDepthM: 4,
                   source: "test-overpass",
                   coordinates: [
                     { lat: 54.02, lon: 10.05 },
@@ -679,7 +651,6 @@ describe("Watermaps API", () => {
                   from: "start-decoy-a",
                   to: "start-decoy-b",
                   coordinates: [coordinate(53.3416, 7.186), coordinate(53.342, 7.187)],
-                  minDepthM: null,
                   source: "closer-but-disconnected-start"
                 },
                 {
@@ -688,7 +659,6 @@ describe("Watermaps API", () => {
                   from: "destination-decoy-a",
                   to: "destination-decoy-b",
                   coordinates: [coordinate(53.3282, 6.9304), coordinate(53.3286, 6.9294)],
-                  minDepthM: null,
                   source: "closer-but-disconnected-destination"
                 },
                 {
@@ -697,7 +667,6 @@ describe("Watermaps API", () => {
                   from: "shared-start",
                   to: "shared-east",
                   coordinates: [coordinate(53.34145, 7.18585), coordinate(53.3321722, 7.1329034)],
-                  minDepthM: null,
                   source: "local-geofabrik-germany+netherlands"
                 },
                 {
@@ -706,7 +675,6 @@ describe("Watermaps API", () => {
                   from: "shared-east",
                   to: "shared-south",
                   coordinates: [coordinate(53.3321722, 7.1329034), coordinate(53.313849, 7.0011017)],
-                  minDepthM: null,
                   source: "local-geofabrik-germany+netherlands"
                 },
                 {
@@ -715,7 +683,6 @@ describe("Watermaps API", () => {
                   from: "shared-south",
                   to: "shared-destination",
                   coordinates: [coordinate(53.313849, 7.0011017), coordinate(53.32805, 6.9302)],
-                  minDepthM: null,
                   source: "local-geofabrik-germany+netherlands"
                 }
               ]
@@ -765,7 +732,6 @@ describe("Watermaps API", () => {
       from,
       to,
       coordinates,
-      minDepthM: 4,
       source: "test-alternatives"
     });
     const app = await buildServer({

apps/api/tests/fairways.test.ts

@@ -378,7 +378,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-1",
           name: "Harbour Reach",
-          min_depth_m: "4.2",
           geometry: {
             type: "LineString",
             coordinates: [
@@ -392,7 +391,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-2",
           name: "Outer Reach",
-          min_depth_m: 4.2,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -430,7 +428,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-main",
           name: "Ems Fahrwasser",
-          min_depth_m: null,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -447,7 +444,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-branch",
           name: "Busetief",
-          min_depth_m: null,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -495,8 +491,7 @@ describe("fairway graph extraction", () => {
             type: "way",
             id: 123,
             tags: {
-              "seamark:type": "navigation_line",
-              "seamark:navigation_line:minimum_depth": "3.5"
+              "seamark:type": "navigation_line"
             },
             geometry: [
               { lat: 54, lon: 10 },
@@ -510,7 +505,6 @@ describe("fairway graph extraction", () => {
 
     expect(graph).not.toBeNull();
     expect(graph?.edges[0]?.source).toBe("osm-overpass-seamarks");
-    expect(graph?.edges[0]?.minDepthM).toBe(3.5);
   });
 
   it("accepts navigable canals but rejects explicitly closed waterways", () => {
@@ -553,7 +547,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "north",
           name: "Dortmund-Ems-Kanal",
-          min_depth_m: null,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -604,7 +597,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-restricted",
           name: "Niedrige Durchfahrt",
-          min_depth_m: "3.0",
           properties: { maxheight: "2.4 m", maxwidth: "3.2", maxdraft: "1.8", oneway: "yes" },
           geometry: {
             type: "LineString",

apps/web/src/App.tsx

@@ -44,6 +44,7 @@ import { useGeolocation } from "./hooks/useGeolocation";
 import { useMarineData } from "./hooks/useMarineData";
 import type { OfflineVoyage } from "./lib/offline-route";
 import { boatCategoryLabel, toVesselProfile } from "./lib/boat-profile";
+import { isOpenRouteWarning } from "./lib/route-warnings";
 import {
   upcomingRouteEvents,
   type RouteEventEtaBasis,
@@ -300,7 +301,7 @@ export function App() {
   }, [route]);
 
   const routeWarningCount = useMemo(
-    () => route?.warnings.filter((warning) => warning.severity !== "info").length ?? 0,
+    () => route?.warnings.filter(isOpenRouteWarning).length ?? 0,
     [route]
   );
   const handleMapReady = useCallback(() => setMapReady(true), []);
@@ -487,9 +488,13 @@ export function App() {
         : route
           ? "active"
           : "idle",
-      route: guidanceAlarm || route?.warnings.some((warning) => warning.severity === "critical")
+      route: guidanceAlarm || route?.warnings.some(
+        (warning) => isOpenRouteWarning(warning) && warning.severity === "critical"
+      )
         ? "alarm"
-        : route?.warnings.some((warning) => warning.severity === "caution")
+        : route?.warnings.some(
+              (warning) => isOpenRouteWarning(warning) && warning.severity === "caution"
+            )
           ? "caution"
           : courseAssistant.active || route
             ? "active"
@@ -1006,6 +1011,7 @@ export function App() {
                 headingSource={guidanceHeadingSource}
                 accuracyM={gps.accuracyM}
                 fixStale={courseAssistant.fixStale}
+                routeWarnings={route?.warnings ?? []}
                 onStop={courseAssistant.stop}
               />
             </LazyContent>

apps/web/src/components/BoatProfilePanel.tsx

@@ -190,7 +190,7 @@ export function BoatProfilePanel({
           <legend>Abmessungen und Fahrtwerte</legend>
           <p>
             Bitte die Werte für den normalen Fahrzustand eintragen. Sie
-            beeinflussen Durchfahrt, Tiefenprüfung und Fahrtdauer.
+            beeinflussen bekannte Durchfahrtsbeschränkungen und Fahrtdauer.
           </p>
 
           <div className="boat-profile-field-grid">
@@ -232,7 +232,7 @@ export function BoatProfilePanel({
             />
             <NumberField
               label="Sicherheitsreserve"
-              help="Zusätzlicher Abstand zum Grund beim Routing."
+              help="Wird im Bootsprofil gespeichert; eine automatische Routentiefenprüfung findet derzeit nicht statt."
               unit="m"
               min={0}
               max={10}

apps/web/src/components/CourseAssistantPanel.tsx

@@ -1,5 +1,6 @@
 import { AlertTriangle, Navigation, Square } from "lucide-react";
-import type { RouteGuidanceResult } from "@watermaps/shared";
+import type { RouteGuidanceResult, RouteWarning } from "@watermaps/shared";
+import { RouteWarnings } from "./RouteWarnings";
 import "./CourseAssistantPanel.css";
 
 export type CourseAssistantPanelProps = {
@@ -9,6 +10,7 @@ export type CourseAssistantPanelProps = {
   headingSource: "COG" | "HDG" | "--";
   accuracyM: number | null;
   fixStale: boolean;
+  routeWarnings?: RouteWarning[];
   onStop: () => void;
 };
 
@@ -19,6 +21,7 @@ export function CourseAssistantPanel({
   headingSource,
   accuracyM,
   fixStale,
+  routeWarnings = [],
   onStop
 }: CourseAssistantPanelProps) {
   const waitingForGps = !guidance && !fixStale;
@@ -47,6 +50,8 @@ export function CourseAssistantPanel({
         </button>
       </header>
 
+      <RouteWarnings warnings={routeWarnings} />
+
       <div className="course-assistant-main">
         <span
           className="course-assistant-arrow"

apps/web/src/components/RoutePlanner.tsx

@@ -38,9 +38,11 @@ import {
   DEFAULT_BOAT_PROFILE,
   toVesselProfile
 } from "../lib/boat-profile";
+import { isOpenRouteWarning } from "../lib/route-warnings";
 import type { RouteLock } from "../voyageHarbours";
 import { LazyContent } from "./LazyContent";
 import { NavigationDataPanel } from "./NavigationDataPanel";
+import { RouteWarnings } from "./RouteWarnings";
 import { RouteTidePanel, type RouteTidePlan } from "./RouteTidePanel";
 import { VoyagePlan } from "./VoyagePlan";
 
@@ -173,10 +175,18 @@ export function RoutePlanner({
     if (!result) {
       return "idle";
     }
-    if (result.warnings.some((warning) => warning.severity === "critical")) {
+    if (
+      result.warnings.some(
+        (warning) => isOpenRouteWarning(warning) && warning.severity === "critical"
+      )
+    ) {
       return "critical";
     }
-    if (result.warnings.some((warning) => warning.severity === "caution")) {
+    if (
+      result.warnings.some(
+        (warning) => isOpenRouteWarning(warning) && warning.severity === "caution"
+      )
+    ) {
       return "caution";
     }
     return "ok";
@@ -207,9 +217,6 @@ export function RoutePlanner({
     }
     return new Date(timestamp + routeLocks.length * lockDelayMinutes * 60_000).toISOString();
   }, [lockDelayMinutes, result?.eta, routeLocks.length, weatherReport?.adjustedEta]);
-  const criticalWarnings = result?.warnings.filter((warning) => warning.severity === "critical") ?? [];
-  const otherWarnings = result?.warnings.filter((warning) => warning.severity !== "critical") ?? [];
-
   useEffect(() => {
     if (!result) {
       setPlannerView("input");
@@ -554,9 +561,7 @@ export function RoutePlanner({
         <span>
           {result.routingMode === "fairway"
             ? "Fahrwasser"
-            : result.unknownDepthRatio > 0
-              ? `${Math.round(result.unknownDepthRatio * 100)}% unbekannt`
-              : "Tiefe OK"}
+            : "Direkte Wegpunkte"}
         </span>
         {(weatherReport?.adjustedEta ?? result.eta) && (
           <span>
@@ -578,52 +583,7 @@ export function RoutePlanner({
         </section>
       )}
 
-      {(error || criticalWarnings.length > 0) && (
-        <section
-          className="warning-list route-priority-warnings"
-          aria-label="Kritische Hinweise"
-          role="alert"
-        >
-          <strong>Kritische Hinweise</strong>
-          {error && (
-            <p>
-              <AlertTriangle size={14} aria-hidden="true" />
-              {error}
-            </p>
-          )}
-          {criticalWarnings.map((warning, index) => (
-            <p key={`${warning.code}-${index}`}>
-              <AlertTriangle size={14} aria-hidden="true" />
-              {warning.message}
-            </p>
-          ))}
-        </section>
-      )}
-
-      {otherWarnings.length > 0 && (
-        <section className="warning-list" aria-label="Weitere Hinweise">
-          <strong>Weitere Hinweise</strong>
-          {otherWarnings.slice(0, 3).map((warning, index) => (
-            <p key={`${warning.code}-${index}`}>
-              <AlertTriangle size={14} aria-hidden="true" />
-              {warning.message}
-            </p>
-          ))}
-          {otherWarnings.length > 3 && (
-            <details className="voyage-tools-disclosure">
-              <summary>{otherWarnings.length - 3} weitere Hinweise</summary>
-              <div className="warning-list">
-                {otherWarnings.slice(3).map((warning, index) => (
-                  <p key={`${warning.code}-${index + 3}`}>
-                    <AlertTriangle size={14} aria-hidden="true" />
-                    {warning.message}
-                  </p>
-                ))}
-              </div>
-            </details>
-          )}
-        </section>
-      )}
+      <RouteWarnings warnings={result.warnings} error={error} />
 
       {routeOptions.length > 1 && (
         <section className="route-options" aria-label="Routenalternativen">

apps/web/src/components/RouteTidePanel.tsx

@@ -37,7 +37,10 @@ export function RouteTidePanel({ plan, loading, error }: RouteTidePanelProps) {
           <TideLocation label="Ziel" summary={plan.destination} />
         </div>
       )}
-      <small>Stationsabstand und Bezugsnull beachten; Wasserstände ersetzen keine amtliche Tiefenprüfung.</small>
+      <small>
+        Stationsabstand und Bezugsnull beachten; angezeigte Wasserstände geben keine befahrbare
+        Wassertiefe an.
+      </small>
     </section>
   );
 }

apps/web/src/components/RouteWarnings.tsx

@@ -0,0 +1,68 @@
+import { AlertTriangle, Info } from "lucide-react";
+import type { RouteWarning } from "@watermaps/shared";
+import { isOpenRouteWarning, isRetainedRouteWarning } from "../lib/route-warnings";
+
+export type RouteWarningsProps = {
+  warnings: RouteWarning[];
+  error?: string | null;
+};
+
+export function RouteWarnings({ warnings, error = null }: RouteWarningsProps) {
+  const openWarnings = warnings.filter(isOpenRouteWarning);
+  const criticalWarnings = openWarnings.filter((warning) => warning.severity === "critical");
+  const cautionWarnings = openWarnings.filter((warning) => warning.severity === "caution");
+  const informationalWarnings = warnings.filter(
+    (warning) => isRetainedRouteWarning(warning) && warning.severity === "info"
+  );
+
+  return (
+    <>
+      {(error || openWarnings.length > 0) && (
+        <section className="warning-list" aria-label="Routing-Hinweise">
+          {openWarnings.length > 0 && <strong>Hinweise ({openWarnings.length})</strong>}
+          {(error || criticalWarnings.length > 0) && (
+            <div
+              className="warning-list route-priority-warnings"
+              aria-label="Kritische Hinweise"
+              role="alert"
+            >
+              <strong>Kritische Hinweise</strong>
+              {error && (
+                <p>
+                  <AlertTriangle size={14} aria-hidden="true" />
+                  {error}
+                </p>
+              )}
+              {criticalWarnings.map((warning, index) => (
+                <p key={`${warning.code}-${index}`}>
+                  <AlertTriangle size={14} aria-hidden="true" />
+                  {warning.message}
+                </p>
+              ))}
+            </div>
+          )}
+          {cautionWarnings.map((warning, index) => (
+            <p key={`${warning.code}-${index}`}>
+              <AlertTriangle size={14} aria-hidden="true" />
+              {warning.message}
+            </p>
+          ))}
+        </section>
+      )}
+
+      {informationalWarnings.length > 0 && (
+        <details className="voyage-tools-disclosure">
+          <summary>Routingdetails ({informationalWarnings.length})</summary>
+          <div className="warning-list">
+            {informationalWarnings.map((warning, index) => (
+              <p key={`${warning.code}-${index}`}>
+                <Info size={14} aria-hidden="true" />
+                {warning.message}
+              </p>
+            ))}
+          </div>
+        </details>
+      )}
+    </>
+  );
+}

apps/web/src/lib/gpx.ts

@@ -1,4 +1,5 @@
 import type { RouteResult } from "@watermaps/shared";
+import { isRetainedRouteWarning } from "./route-warnings";
 
 const DEFAULT_CREATOR = "Watermaps";
 
@@ -25,7 +26,10 @@ export function createRouteGpx(route: RouteResult, options: GpxExportOptions = {
   const createdAt = normalizeDate(options.createdAt);
   const source = cleanText(route.dataSources.join(", ") || DEFAULT_CREATOR, 500);
   const warningSummary = cleanText(
-    route.warnings.map((warning) => warning.message).join(" · ") || "Nicht amtliche Routenplanung",
+    route.warnings
+      .filter(isRetainedRouteWarning)
+      .map((warning) => warning.message)
+      .join(" · ") || "Nicht amtliche Routenplanung",
     1_000
   );
   const bounds = routeBounds(coordinates);

apps/web/src/lib/offline-route.ts

@@ -5,6 +5,7 @@ import type {
   RouteWarning,
   VesselProfile
 } from "@watermaps/shared";
+import { isRetainedRouteWarning } from "./route-warnings";
 
 export const OFFLINE_VOYAGES_STORAGE_KEY = "watermaps.offline-voyages.v1";
 export const LEGACY_OFFLINE_VOYAGES_STORAGE_KEY = "seacompass.offline-voyages.v1";
@@ -211,8 +212,6 @@ function normalizeRoute(value: unknown): RouteResult {
   const coordinates = normalizeLineCoordinates(value.geometry.coordinates);
   const distanceNm = finiteNumber(value.distanceNm, 0, 100_000);
   const eta = value.eta === null ? null : limitedString(value.eta, 100);
-  const minKnownDepthM = value.minKnownDepthM === null ? null : finiteNumber(value.minKnownDepthM, 0, 20_000);
-  const unknownDepthRatio = finiteNumber(value.unknownDepthRatio, 0, 1);
   const warnings = normalizeWarnings(value.warnings);
   const dataSources = normalizeStrings(value.dataSources, 100, 500);
   const id = value.id === undefined ? undefined : limitedString(value.id, 160);
@@ -232,8 +231,6 @@ function normalizeRoute(value: unknown): RouteResult {
     distanceNm,
     eta,
     warnings,
-    minKnownDepthM,
-    unknownDepthRatio,
     dataSources,
     ...(departureTime ? { departureTime } : {}),
     ...(durationMinutes !== undefined ? { durationMinutes } : {}),
@@ -320,23 +317,25 @@ function normalizeWarnings(value: unknown): RouteWarning[] {
   if (!Array.isArray(value) || value.length > 500) {
     throw new OfflineVoyageStorageError("Die Routenwarnungen sind ungültig.");
   }
-  return value.map((warning) => {
-    if (!isRecord(warning)) {
-      throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
-    }
-    const code = limitedString(warning.code, 100);
-    const message = limitedString(warning.message, 1_000);
-    const severity = warning.severity;
-    if (!code || !message || (severity !== "info" && severity !== "caution" && severity !== "critical")) {
-      throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
-    }
-    return {
-      code,
-      message,
-      severity,
-      ...(warning.coordinate === undefined ? {} : { coordinate: normalizeCoordinate(warning.coordinate) })
-    };
-  });
+  return value
+    .map((warning): RouteWarning => {
+      if (!isRecord(warning)) {
+        throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
+      }
+      const code = limitedString(warning.code, 100);
+      const message = limitedString(warning.message, 1_000);
+      const severity = warning.severity;
+      if (!code || !message || (severity !== "info" && severity !== "caution" && severity !== "critical")) {
+        throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
+      }
+      return {
+        code,
+        message,
+        severity,
+        ...(warning.coordinate === undefined ? {} : { coordinate: normalizeCoordinate(warning.coordinate) })
+      };
+    })
+    .filter(isRetainedRouteWarning);
 }
 
 function normalizeStrings(value: unknown, maxItems: number, maxLength: number): string[] {

apps/web/src/lib/route-warnings.ts

@@ -0,0 +1,18 @@
+import type { RouteWarning } from "@watermaps/shared";
+
+const REMOVED_ROUTE_WARNING_CODES = new Set([
+  "FAIRWAY_ROUTE",
+  "FAIRWAY_DATA_NOT_OFFICIAL",
+  "DEPTH_UNKNOWN",
+  "DEPTH_PARTIAL",
+  "NO_KNOWN_DEPTH",
+  "DEPTH_TOO_SHALLOW"
+]);
+
+export function isRetainedRouteWarning(warning: RouteWarning): boolean {
+  return !REMOVED_ROUTE_WARNING_CODES.has(warning.code);
+}
+
+export function isOpenRouteWarning(warning: RouteWarning): boolean {
+  return isRetainedRouteWarning(warning) && warning.severity !== "info";
+}

apps/web/tests/course-assistant-hook.test.tsx

@@ -98,8 +98,6 @@ function route(id: string, coordinates: [number, number][]): RouteResult {
     distanceNm: 1,
     eta: null,
     warnings: [],
-    minKnownDepthM: null,
-    unknownDepthRatio: 1,
     dataSources: ["Test"],
     routingMode: "fairway"
   };

apps/web/tests/course-assistant-panel.test.tsx

@@ -80,4 +80,52 @@ describe("CourseAssistantPanel", () => {
     expect(screen.getByText(/GPS-Fix ist veraltet/)).toBeVisible();
     expect(screen.getByText("---")).toBeVisible();
   });
+
+  it("keeps every open route warning visible while guidance is active", () => {
+    render(
+      <CourseAssistantPanel
+        guidance={null}
+        gpsStatus="tracking"
+        headingDeg={null}
+        headingSource="--"
+        accuracyM={null}
+        fixStale={false}
+        routeWarnings={[
+          {
+            code: "ROUTING_SOURCE",
+            severity: "info",
+            message: "Routingquelle: lokaler Graph."
+          },
+          {
+            code: "BRIDGE_TOO_LOW",
+            severity: "caution",
+            message: "Eine Brücke ist zu niedrig."
+          },
+          {
+            code: "ROUTE_SEARCH_LIMITED",
+            severity: "caution",
+            message: "Die Snap-Suche wurde begrenzt."
+          },
+          {
+            code: "START_SNAP_TOO_FAR",
+            severity: "caution",
+            message: "Der Startpunkt liegt weit vom Fahrwasser entfernt."
+          },
+          {
+            code: "DESTINATION_SNAP_TOO_FAR",
+            severity: "caution",
+            message: "Der Zielpunkt liegt weit vom Fahrwasser entfernt."
+          }
+        ]}
+        onStop={vi.fn()}
+      />
+    );
+
+    expect(screen.getByText("Hinweise (4)")).toBeVisible();
+    expect(screen.getByText("Eine Brücke ist zu niedrig.")).toBeVisible();
+    expect(screen.getByText("Die Snap-Suche wurde begrenzt.")).toBeVisible();
+    expect(screen.getByText("Der Startpunkt liegt weit vom Fahrwasser entfernt.")).toBeVisible();
+    expect(screen.getByText("Der Zielpunkt liegt weit vom Fahrwasser entfernt.")).toBeVisible();
+    expect(screen.getByText("Routingdetails (1)")).toBeVisible();
+  });
 });

apps/web/tests/e2e/app.spec.ts

@@ -128,8 +128,6 @@ test("starts a visible dynamic course assistant only after route planning", asyn
         distanceNm: 0.7,
         eta: null,
         warnings: [],
-        minKnownDepthM: null,
-        unknownDepthRatio: 1,
         dataSources: ["E2E"],
         routingMode: "fairway"
       })

apps/web/tests/gpx.test.ts

@@ -35,6 +35,33 @@ describe("GPX export", () => {
       geometry: { type: "LineString", coordinates: [[7, 53], [181, 52]] }
     })).toThrow(/ungültige Koordinaten/);
   });
+
+  it("does not export retired route warnings", () => {
+    const gpx = createRouteGpx({
+      ...routeFixture,
+      warnings: [
+        {
+          code: "FAIRWAY_ROUTE",
+          severity: "info",
+          message: "Alter Graph-Hinweis"
+        },
+        {
+          code: "NO_KNOWN_DEPTH",
+          severity: "caution",
+          message: "Alter Tiefen-Hinweis"
+        },
+        {
+          code: "ROUTE_SEARCH_LIMITED",
+          severity: "caution",
+          message: "Aktueller Such-Hinweis"
+        }
+      ]
+    });
+
+    expect(gpx).not.toContain("Alter Graph-Hinweis");
+    expect(gpx).not.toContain("Alter Tiefen-Hinweis");
+    expect(gpx).toContain("Aktueller Such-Hinweis");
+  });
 });
 
 const routeFixture: RouteResult = {
@@ -47,8 +74,6 @@ const routeFixture: RouteResult = {
   distanceNm: 153.69,
   eta: null,
   warnings: [{ code: "NOT_OFFICIAL", severity: "caution", message: "Nicht amtlich & vor Ort prüfen" }],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["OpenStreetMap <curated>"],
   routingMode: "fairway"
 };

apps/web/tests/map-view.test.tsx

@@ -530,8 +530,6 @@ describe("MapView marine feature information", () => {
       distanceNm: 120,
       eta: null,
       warnings: [],
-      minKnownDepthM: null,
-      unknownDepthRatio: 1,
       dataSources: [],
       routingMode: "fairway"
     };

apps/web/tests/navigation-workspace.test.tsx

@@ -22,9 +22,9 @@ describe("NavigationToolRail", () => {
           anchor: "alarm",
           conditions: "active",
           upcoming: "caution",
-          route: "stale"
+          route: "caution"
         }}
-        badges={{ upcoming: 123 }}
+        badges={{ upcoming: 123, route: 4 }}
       />
     );
 
@@ -58,7 +58,10 @@ describe("NavigationToolRail", () => {
     expect(upcoming).toHaveAttribute("data-status", "caution");
     expect(within(upcoming).getByText("99+")).toBeVisible();
 
-    const route = screen.getByRole("button", { name: /Route, Daten veraltet, öffnen/ });
+    const route = screen.getByRole("button", {
+      name: /Route, Warnung, 4 Hinweise, öffnen/
+    });
+    expect(within(route).getByText("4")).toBeVisible();
     fireEvent.click(route);
     expect(onSelect).toHaveBeenCalledWith("route");
   });

apps/web/tests/offline-route.test.ts

@@ -68,6 +68,71 @@ describe("offline voyage storage", () => {
     expect(listOfflineVoyages(localStorage)).toEqual([]);
   });
 
+  it("removes retired warnings and depth fields from legacy offline routes", () => {
+    const record = createOfflineVoyageRecord(
+      { route: routeFixture },
+      { id: "legacy-voyage", savedAt: "2026-07-19T12:00:00.000Z" }
+    );
+    const legacyRecord = {
+      ...record,
+      route: {
+        ...record.route,
+        minKnownDepthM: null,
+        unknownDepthRatio: 1,
+        warnings: [
+          {
+            code: "FAIRWAY_ROUTE",
+            severity: "info",
+            message: "Alter Graph-Hinweis"
+          },
+          {
+            code: "FAIRWAY_DATA_NOT_OFFICIAL",
+            severity: "caution",
+            message: "Alter Daten-Hinweis"
+          },
+          {
+            code: "DEPTH_UNKNOWN",
+            severity: "caution",
+            message: "Alter Tiefenpunkt-Hinweis"
+          },
+          {
+            code: "DEPTH_PARTIAL",
+            severity: "caution",
+            message: "Alter Teil-Tiefenhinweis"
+          },
+          {
+            code: "NO_KNOWN_DEPTH",
+            severity: "caution",
+            message: "Alter Unbekannt-Hinweis"
+          },
+          {
+            code: "DEPTH_TOO_SHALLOW",
+            severity: "critical",
+            message: "Alter Flachwasser-Hinweis"
+          },
+          {
+            code: "ROUTE_SEARCH_LIMITED",
+            severity: "caution",
+            message: "Suche begrenzt"
+          }
+        ]
+      }
+    };
+    localStorage.setItem(OFFLINE_VOYAGES_STORAGE_KEY, JSON.stringify([legacyRecord]));
+
+    const restored = loadOfflineVoyage("legacy-voyage", localStorage);
+
+    expect(restored?.route.warnings).toEqual([
+      {
+        code: "ROUTE_SEARCH_LIMITED",
+        severity: "caution",
+        message: "Suche begrenzt"
+      }
+    ]);
+    expect(restored?.route).not.toHaveProperty("minKnownDepthM");
+    expect(restored?.route).not.toHaveProperty("unknownDepthRatio");
+  });
+
   it("rejects unsafe route coordinates before writing", () => {
     expect(() => createOfflineVoyageRecord({
       route: {
@@ -91,8 +156,6 @@ const routeFixture: RouteResult = {
   durationMinutes: 120,
   eta: "2026-07-20T08:00:00.000Z",
   warnings: [{ code: "NOT_OFFICIAL", severity: "caution", message: "Nicht amtlich" }],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["OSM"],
   routingMode: "fairway",
   routeSnaps: {
@@ -115,8 +178,6 @@ const routeFixture: RouteResult = {
     distanceNm: 160,
     eta: null,
     warnings: [],
-    minKnownDepthM: null,
-    unknownDepthRatio: 1,
     dataSources: ["OSM"]
   }]
 };

apps/web/tests/route-events.test.ts

@@ -22,8 +22,6 @@ const route: RouteResult = {
   distanceNm: 60,
   eta: null,
   warnings: [],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["test"]
 };
 

apps/web/tests/route-planner.test.tsx

@@ -1,5 +1,5 @@
 import "@testing-library/jest-dom/vitest";
-import { act, cleanup, fireEvent, render, screen } from "@testing-library/react";
+import { act, cleanup, fireEvent, render, screen, within } from "@testing-library/react";
 import { afterEach, describe, expect, it, vi } from "vitest";
 import { RoutePlanner } from "../src/components/RoutePlanner";
 import { DEFAULT_BOAT_PROFILE } from "../src/lib/boat-profile";
@@ -416,6 +416,7 @@ describe("RoutePlanner", () => {
     );
 
     expect(screen.getByText("Routenergebnis")).toBeVisible();
+    expect(screen.getByText("Hinweise (2)")).toBeVisible();
     expect(screen.getByText("Brücke ist zu niedrig.")).toBeVisible();
     expect(screen.getByText("Wind aufmerksam beobachten.")).toBeVisible();
     expect(screen.queryByRole("button", { name: "Start auf Karte setzen" })).not.toBeInTheDocument();
@@ -426,6 +427,89 @@ describe("RoutePlanner", () => {
     expect(screen.getByRole("button", { name: "Zur Route" })).toBeVisible();
   });
 
+  it("filters retired fairway and depth warnings from route results", () => {
+    const result = {
+      ...routeOption("primary", "Hauptroute", 24.48),
+      warnings: [
+        {
+          code: "FAIRWAY_ROUTE",
+          severity: "info" as const,
+          message: "Entfernter Graph-Hinweis."
+        },
+        {
+          code: "FAIRWAY_DATA_NOT_OFFICIAL",
+          severity: "caution" as const,
+          message: "Entfernter Daten-Hinweis."
+        },
+        {
+          code: "ROUTE_SEARCH_LIMITED",
+          severity: "caution" as const,
+          message: "Die Snap-Suche wurde begrenzt."
+        },
+        {
+          code: "DEPTH_PARTIAL",
+          severity: "caution" as const,
+          message: "Entfernter Teil-Tiefenhinweis."
+        },
+        {
+          code: "NO_KNOWN_DEPTH",
+          severity: "caution" as const,
+          message: "Entfernter Unbekannt-Hinweis."
+        },
+        {
+          code: "DEPTH_UNKNOWN",
+          severity: "caution" as const,
+          message: "Entfernter Tiefenpunkt-Hinweis."
+        },
+        {
+          code: "DEPTH_TOO_SHALLOW",
+          severity: "critical" as const,
+          message: "Entfernter Flachwasser-Hinweis."
+        }
+      ]
+    };
+
+    render(
+      <RoutePlanner
+        startPoint={{ lat: 53.4647, lon: 7.474 }}
+        gpsPosition={null}
+        destination={{ lat: 53.5147, lon: 8.1203 }}
+        result={result}
+        routeOptions={[result]}
+        weatherReport={null}
+        weatherLoading={false}
+        weatherError={null}
+        loading={false}
+        error={null}
+        pickMode={null}
+        onSubmit={vi.fn()}
+        onPickStart={vi.fn()}
+        onPickDestination={vi.fn()}
+        onClearStart={vi.fn()}
+        onClearDestination={vi.fn()}
+        onUseGpsAsStart={vi.fn()}
+        onSelectRoute={vi.fn()}
+        onCollapse={vi.fn()}
+        embedded
+      />
+    );
+
+    const warnings = screen.getByRole("region", { name: "Routing-Hinweise" });
+    expect(within(warnings).getByText("Hinweise (1)")).toBeVisible();
+    expect(within(warnings).getByText("Die Snap-Suche wurde begrenzt.")).toBeVisible();
+    expect(screen.queryByText("Entfernter Graph-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Daten-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Teil-Tiefenhinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Unbekannt-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Tiefenpunkt-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Flachwasser-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText(/Routingdetails/)).not.toBeInTheDocument();
+    expect(screen.getByText("Hauptroute").closest(".route-result")).toHaveAttribute(
+      "data-severity",
+      "caution"
+    );
+  });
+
   it("shows the route weather report after a route was calculated", () => {
     render(
       <RoutePlanner
@@ -437,8 +521,6 @@ describe("RoutePlanner", () => {
           distanceNm: 4.2,
           eta: null,
           warnings: [],
-          minKnownDepthM: null,
-          unknownDepthRatio: 1,
           dataSources: [],
           routingMode: "fairway"
         }}
@@ -608,8 +690,6 @@ function routeOption(id: string, name: string, distanceNm: number) {
     distanceNm,
     eta: "2026-07-13T14:00:00.000Z",
     warnings: [],
-    minKnownDepthM: null,
-    unknownDepthRatio: 1,
     dataSources: [],
     routingMode: "fairway" as const
   };

apps/web/tests/route-warnings.test.ts

@@ -0,0 +1,53 @@
+import { describe, expect, it } from "vitest";
+import type { RouteWarning } from "@watermaps/shared";
+import {
+  isOpenRouteWarning,
+  isRetainedRouteWarning
+} from "../src/lib/route-warnings";
+
+describe("route warning filters", () => {
+  it("filters every retired fairway and depth warning code centrally", () => {
+    const retiredCodes = [
+      "FAIRWAY_ROUTE",
+      "FAIRWAY_DATA_NOT_OFFICIAL",
+      "DEPTH_UNKNOWN",
+      "DEPTH_PARTIAL",
+      "NO_KNOWN_DEPTH",
+      "DEPTH_TOO_SHALLOW"
+    ];
+
+    for (const code of retiredCodes) {
+      const warning: RouteWarning = {
+        code,
+        severity: "critical",
+        message: `Alter Hinweis ${code}`
+      };
+      expect(isRetainedRouteWarning(warning)).toBe(false);
+      expect(isOpenRouteWarning(warning)).toBe(false);
+    }
+  });
+
+  it("retains current warnings and only counts non-informational ones as open", () => {
+    expect(
+      isRetainedRouteWarning({
+        code: "ROUTE_SEARCH_LIMITED",
+        severity: "caution",
+        message: "Suche begrenzt"
+      })
+    ).toBe(true);
+    expect(
+      isOpenRouteWarning({
+        code: "ROUTE_SEARCH_LIMITED",
+        severity: "caution",
+        message: "Suche begrenzt"
+      })
+    ).toBe(true);
+    expect(
+      isOpenRouteWarning({
+        code: "ROUTING_SOURCE",
+        severity: "info",
+        message: "Routingquelle"
+      })
+    ).toBe(false);
+  });
+});

apps/web/tests/route-weather-report.test.ts

@@ -148,8 +148,6 @@ const routeFixture: RouteResult = {
   distanceNm: 25,
   eta: null,
   warnings: [],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: [],
   routingMode: "fairway"
 };

apps/web/tests/voyage-navigation-tools.test.tsx

@@ -126,8 +126,6 @@ const routeFixture: RouteResult = {
   distanceNm: 0.4,
   eta: null,
   warnings: [],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["Test"],
   routingMode: "fairway"
 };