diff --git a/web/src/enterprise/views/AIObservability/DiscoveryPage.vue b/web/src/enterprise/views/AIObservability/DiscoveryPage.vue
index d16c71b31a..e39d53f5df 100644
--- a/web/src/enterprise/views/AIObservability/DiscoveryPage.vue
+++ b/web/src/enterprise/views/AIObservability/DiscoveryPage.vue
@@ -756,8 +756,8 @@ async function addToQueue(queue: LlmQueue, rows: LlmDiscoveryItem[]) {
   }
 }
 
-onMounted(() => {
-  mountResolve();
-  fetchItems();
-});
+// Resolved in setup, not onMounted: the date picker seeds from dateState in its own
+// onMounted, which runs first and would replay the stored window over a deep link.
+mountResolve();
+onMounted(fetchItems);
 </script>
diff --git a/web/src/enterprise/views/AIObservability/LLMInsightsPage.spec.ts b/web/src/enterprise/views/AIObservability/LLMInsightsPage.spec.ts
new file mode 100644
index 0000000000..68cd51a9b9
--- /dev/null
+++ b/web/src/enterprise/views/AIObservability/LLMInsightsPage.spec.ts
@@ -0,0 +1,107 @@
+// Copyright 2026 OpenObserve Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// @vitest-environment jsdom
+
+import { describe, it, expect, vi, beforeEach } from "vitest";
+import { defineComponent, onMounted } from "vue";
+import { mount } from "@vue/test-utils";
+import type * as I18n from "@/types/i18n";
+
+const route = { query: {} as Record<string, string> };
+const replace = vi.fn((_to: { query: Record<string, string> }) => Promise.resolve());
+vi.mock("vue-router", () => ({ useRoute: () => route, useRouter: () => ({ replace }) }));
+
+vi.mock("@/types/i18n", async (importOriginal) => {
+  const actual = await importOriginal<typeof I18n>();
+  return { ...actual, useI18nTyped: () => ({ t: (key: string) => key }) };
+});
+
+// Like DateTime: the picker seeds itself from `dateState` in its own onMounted, which runs
+// before the page's, and replays that window as a date-change.
+const pickerSeed: { value: Record<string, unknown> | null } = { value: null };
+vi.mock("@/enterprise/components/AIObservability/AiPageShell.vue", () => ({
+  default: defineComponent({
+    name: "AiPageShell",
+    props: ["dateState"],
+    emits: ["date-change"],
+    setup(props, { emit }) {
+      onMounted(() => {
+        pickerSeed.value = { ...props.dateState };
+        emit("date-change", { ...props.dateState, userChangedValue: false });
+      });
+    },
+    template: "<div><slot /></div>",
+  }),
+}));
+
+vi.mock("@/plugins/traces/LLMInsightsDashboard.vue", () => ({
+  default: { name: "LLMInsightsDashboard", template: "<div />" },
+}));
+
+vi.mock("@/enterprise/composables/useChildRefresh", () => ({
+  useChildRefresh: () => ({
+    lastRunAt: { value: null },
+    isLoading: { value: false },
+    refresh: vi.fn(),
+  }),
+}));
+
+const SAVED = {
+  valueType: "absolute",
+  startTime: 1_000_000,
+  endTime: 2_000_000,
+  relativeTimePeriod: null,
+};
+
+async function mountPage(query: Record<string, string>) {
+  route.query = query;
+  // The shared date state is a module singleton loaded from localStorage at import, so each
+  // test re-imports the page to load the range it saved.
+  vi.resetModules();
+  const Page = (await import("./LLMInsightsPage.vue")).default;
+  return mount(Page);
+}
+
+beforeEach(() => {
+  pickerSeed.value = null;
+  replace.mockClear();
+  localStorage.setItem("aiObservability:dateRange", JSON.stringify(SAVED));
+});
+
+describe("LLMInsightsPage deep link over a saved date range", () => {
+  it("seeds the picker and the URL with the link's from/to", async () => {
+    await mountPage({ from: "5000000", to: "9000000", stream: "agent_e2e" });
+    expect(pickerSeed.value).toMatchObject({
+      valueType: "absolute",
+      startTime: 5_000_000,
+      endTime: 9_000_000,
+    });
+    for (const [arg] of replace.mock.calls) {
+      expect(arg.query).toMatchObject({ from: "5000000", to: "9000000", stream: "agent_e2e" });
+    }
+  });
+
+  it("seeds the picker with the link's period", async () => {
+    await mountPage({ period: "6h" });
+    expect(pickerSeed.value).toMatchObject({ valueType: "relative", relativeTimePeriod: "6h" });
+    for (const [arg] of replace.mock.calls) expect(arg.query.period).toBe("6h");
+  });
+
+  it("keeps the saved range when the link has no date", async () => {
+    await mountPage({ stream: "agent_e2e" });
+    expect(pickerSeed.value).toMatchObject({ startTime: 1_000_000, endTime: 2_000_000 });
+  });
+});
diff --git a/web/src/enterprise/views/AIObservability/LLMInsightsPage.vue b/web/src/enterprise/views/AIObservability/LLMInsightsPage.vue
index e9b67e44f3..2d06900eef 100644
--- a/web/src/enterprise/views/AIObservability/LLMInsightsPage.vue
+++ b/web/src/enterprise/views/AIObservability/LLMInsightsPage.vue
@@ -39,7 +39,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, nextTick, computed } from "vue";
+import { ref, nextTick, computed } from "vue";
 import { useI18nTyped } from "@/types/i18n";
 import AiPageShell from "@/enterprise/components/AIObservability/AiPageShell.vue";
 import LLMInsightsDashboard from "@/plugins/traces/LLMInsightsDashboard.vue";
@@ -120,9 +120,8 @@ async function onDateChange(value: any) {
   );
 }
 
-onMounted(() => {
-  // Precedence: URL > shared state (cross-page persisted) > default relative.
-  // The shared state is already loaded from localStorage by the composable.
-  mountResolve();
-});
+// Precedence: URL > shared state (cross-page persisted) > default relative. Resolved in
+// setup, not onMounted: the date picker seeds from dateState in its own onMounted, which
+// runs first and replays that window into the URL.
+mountResolve();
 </script>
diff --git a/web/src/enterprise/views/AIObservability/SessionsPage.vue b/web/src/enterprise/views/AIObservability/SessionsPage.vue
index 0736808165..4c469152d9 100644
--- a/web/src/enterprise/views/AIObservability/SessionsPage.vue
+++ b/web/src/enterprise/views/AIObservability/SessionsPage.vue
@@ -38,7 +38,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, nextTick } from "vue";
+import { ref, nextTick } from "vue";
 import { useI18nTyped } from "@/types/i18n";
 import AiPageShell from "@/enterprise/components/AIObservability/AiPageShell.vue";
 import SessionsList from "@/plugins/traces/SessionsList.vue";
@@ -116,8 +116,7 @@ async function onDateChange(value: any) {
   );
 }
 
-onMounted(() => {
-  // Precedence: URL > cross-page shared state > default relative.
-  mountResolve();
-});
+// Precedence: URL > shared state > default relative. Resolved in setup, not onMounted: the
+// date picker seeds from dateState in its own onMounted, which runs first.
+mountResolve();
 </script>