fix: deduplicate shared fishing plans

apps/web/src/pages/plan.astro

@@ -16,10 +16,15 @@ import Layout from "../layouts/Layout.astro";
   const planText = (key: string, value: unknown) => typeof value === "string" ? value.slice(0, planFieldLimits[key] ?? 240) : "";
   const normalisePlan = (value: unknown): Array<Record<string, string>> => {
     if (!Array.isArray(value)) return [];
-    return value.filter(item => item && typeof item === "object" && typeof item.key === "string" && item.key.startsWith("/spots/")).slice(0, 5).map(item => {
+    const seen = new Set<string>();
+    return value.filter(item => item && typeof item === "object" && typeof item.key === "string" && item.key.startsWith("/spots/")).map(item => {
       const source = item as Record<string, unknown>;
       return Object.fromEntries(["key", "waterbody", "coordinates", "baits", "method", "retrieve", "risk", "freshness", "confidence"].map(key => [key, planText(key, source[key])]));
-    });
+    }).filter(item => {
+      if (seen.has(item.key)) return false;
+      seen.add(item.key);
+      return true;
+    }).slice(0, 5);
   };
   const readPlan = (): Array<Record<string, string>> => {
     try { return normalisePlan(JSON.parse(localStorage.getItem(planStorageKey) || "[]")); }

apps/web/tests/plan-page.spec.ts

@@ -76,3 +76,21 @@ test("plan preserves a real zero confidence and bounds imported text", async ({
   expect(stored[0].confidence).toBe("0");
   expect(stored[0].oversized).toBeUndefined();
 });
+
+test("plan import deduplicates the same point before applying the five-item cap", async ({ page }) => {
+  await page.goto("/plan");
+  await page.evaluate(() => localStorage.setItem("rf4spotter:fishing-plan", JSON.stringify([
+    { key: "/spots/vyunok-6331x6332", waterbody: "Вьюнок", coordinates: "6331:6332", confidence: "0" },
+    { key: "/spots/vyunok-6331x6332", waterbody: "Вьюнок", coordinates: "6331:6332", confidence: "80" },
+    { key: "/spots/vyunok-7450x7451", waterbody: "Вьюнок", coordinates: "7450:7451", confidence: "40" },
+  ])));
+  await page.reload();
+
+  await expect(page.getByText("2 из 5 точек")).toBeVisible();
+  await expect(page.locator(".plan-card")).toHaveCount(2);
+  const stored = await page.evaluate(() => JSON.parse(localStorage.getItem("rf4spotter:fishing-plan") || "[]"));
+  expect(stored.map((item: { key: string }) => item.key)).toEqual([
+    "/spots/vyunok-6331x6332",
+    "/spots/vyunok-7450x7451",
+  ]);
+});