diff --git a/ordinis-admin-ui/src/routes/dictionaries.$name.tsx b/ordinis-admin-ui/src/routes/dictionaries.$name.tsx
index 3e1a31c..7e00c3c 100644
--- a/ordinis-admin-ui/src/routes/dictionaries.$name.tsx
+++ b/ordinis-admin-ui/src/routes/dictionaries.$name.tsx
@@ -1,5 +1,5 @@
 import { useMemo, useState } from 'react'
-import { createFileRoute, Link } from '@tanstack/react-router'
+import { createFileRoute, Link, useNavigate } from '@tanstack/react-router'
 import { useTranslation } from 'react-i18next'
 import axios from 'axios'
 import {
@@ -32,8 +32,41 @@ import { AoiPickerDialog, type AoiResult } from '@/components/geo/AoiPickerDialo
 import { nowIsoLocal } from '@/lib/dates'
 import { SCOPE_BORDER_TOP, SCOPE_DOT, SCOPE_ORDER } from '@/lib/scope-style'
 
+/**
+ * URL search params для filter state — share-friendly, persist между F5.
+ * - q: search query (free text)
+ * - scopes: csv subset of PUBLIC/INTERNAL/RESTRICTED. Empty/missing = все.
+ * - bbox: AOI как CSV "west,south,east,north". Polygon AOI в URL не
+ *   сериализуем — слишком длинно (50+ точек), оставляем в local state.
+ *   Если bbox задан — initial AOI установится в bbox-режим при mount'е.
+ */
+type DictSearch = {
+  q?: string
+  scopes?: string
+  bbox?: string
+}
+
+const SCOPE_VALUES: ReadonlySet<DataScope> = new Set(['PUBLIC', 'INTERNAL', 'RESTRICTED'])
+
+const validateSearch = (raw: Record<string, unknown>): DictSearch => {
+  const out: DictSearch = {}
+  if (typeof raw.q === 'string' && raw.q.length > 0) out.q = raw.q
+  if (typeof raw.scopes === 'string') {
+    const valid = raw.scopes
+      .split(',')
+      .map((s) => s.trim().toUpperCase())
+      .filter((s): s is DataScope => SCOPE_VALUES.has(s as DataScope))
+    if (valid.length > 0) out.scopes = valid.join(',')
+  }
+  if (typeof raw.bbox === 'string' && /^-?\d+(\.\d+)?(,-?\d+(\.\d+)?){3}$/.test(raw.bbox)) {
+    out.bbox = raw.bbox
+  }
+  return out
+}
+
 export const Route = createFileRoute('/dictionaries/$name')({
   component: DictionaryDetail,
+  validateSearch,
 })
 
 type EditState =
@@ -44,9 +77,16 @@ type EditState =
 
 function DictionaryDetail() {
   const { name } = Route.useParams()
+  const urlSearch = Route.useSearch()
+  const navigate = useNavigate({ from: Route.fullPath })
   const { t } = useTranslation()
   const detailQuery = useDictionaryDetail(name)
-  const [aoi, setAoi] = useState<AoiResult | null>(null)
+
+  // AOI: bbox из URL → bbox-AOI rendered initially; polygon AOI живёт
+  // только в local state (не сериализуем в URL — слишком длинно).
+  // setAoi записывает в URL bbox только для bbox-mode (полигон не жмём в URL).
+  const [aoi, setAoi] = useState<AoiResult | null>(() => bboxToAoi(urlSearch.bbox))
+
   const filter: RecordsFilter | undefined = aoi
     ? aoi.kind === 'bbox'
       ? { bbox: aoi.bboxCsv }
@@ -62,10 +102,60 @@ function DictionaryDetail() {
   const [schemaEditOpen, setSchemaEditOpen] = useState(false)
   const [historyKey, setHistoryKey] = useState<string | undefined>(undefined)
   const [aoiOpen, setAoiOpen] = useState(false)
-  const [search, setSearch] = useState('')
-  // Empty Set = "все scope активны". Click toggle добавляет/убирает
-  // конкретный scope. Это проще объяснить чем "все selected" vs "none".
-  const [scopeFilter, setScopeFilter] = useState<Set<DataScope>>(new Set())
+
+  // Search & scope filter — URL-derived. Empty/missing = все scope активны.
+  const search = urlSearch.q ?? ''
+  const scopeFilter = useMemo<Set<DataScope>>(
+    () => new Set(urlSearch.scopes ? (urlSearch.scopes.split(',') as DataScope[]) : []),
+    [urlSearch.scopes],
+  )
+
+  const setSearch = (next: string) => {
+    void navigate({
+      search: (prev) => ({ ...prev, q: next.length > 0 ? next : undefined }),
+      replace: true,
+    })
+  }
+
+  const toggleScope = (scope: DataScope) => {
+    const next = new Set(scopeFilter)
+    if (next.has(scope)) next.delete(scope)
+    else next.add(scope)
+    void navigate({
+      search: (prev) => ({
+        ...prev,
+        scopes: next.size > 0 ? Array.from(next).join(',') : undefined,
+      }),
+      replace: true,
+    })
+  }
+
+  const handleAoiApply = (result: AoiResult) => {
+    setAoi(result)
+    // bbox в URL для share; polygon оставляем в memory.
+    void navigate({
+      search: (prev) => ({
+        ...prev,
+        bbox: result.kind === 'bbox' ? result.bboxCsv : undefined,
+      }),
+      replace: true,
+    })
+  }
+
+  const handleAoiClear = () => {
+    setAoi(null)
+    void navigate({
+      search: (prev) => ({ ...prev, bbox: undefined }),
+      replace: true,
+    })
+  }
+
+  const handleClearFilters = () => {
+    void navigate({
+      search: (prev) => ({ ...prev, q: undefined, scopes: undefined }),
+      replace: true,
+    })
+  }
 
   const filteredRecords = useMemo(() => {
     const raw = recordsResult.data ?? []
@@ -84,14 +174,6 @@ function DictionaryDetail() {
     })
   }, [recordsResult.data, search, scopeFilter])
 
-  const toggleScope = (scope: DataScope) => {
-    setScopeFilter((prev) => {
-      const next = new Set(prev)
-      if (next.has(scope)) next.delete(scope)
-      else next.add(scope)
-      return next
-    })
-  }
   const filtersActive = search.length > 0 || scopeFilter.size > 0
   const filteredCount = filteredRecords.length
 
@@ -205,7 +287,7 @@ function DictionaryDetail() {
           <button
             type="button"
             className="text-xs text-ultramarain hover:underline"
-            onClick={() => setAoi(null)}
+            onClick={handleAoiClear}
           >
             {t('aoi.clear')}
           </button>
@@ -267,10 +349,7 @@ function DictionaryDetail() {
                 </span>
                 <button
                   type="button"
-                  onClick={() => {
-                    setSearch('')
-                    setScopeFilter(new Set())
-                  }}
+                  onClick={handleClearFilters}
                   className="text-ultramarain hover:underline"
                 >
                   {t('dict.filter.clear')}
@@ -471,13 +550,41 @@ function DictionaryDetail() {
       <AoiPickerDialog
         isOpen={aoiOpen}
         onClose={() => setAoiOpen(false)}
-        onApply={(result) => setAoi(result)}
+        onApply={handleAoiApply}
         initial={aoi?.geojson ?? null}
       />
     </div>
   )
 }
 
+/**
+ * Bootstrap initial AOI из URL bbox param. Возвращает bbox-AOI с
+ * прямоугольным GeoJSON для preview в picker'е. Невалидные значения
+ * уже отфильтрованы validateSearch — но dup'аем guard на парсинге.
+ */
+const bboxToAoi = (bboxCsv: string | undefined): AoiResult | null => {
+  if (!bboxCsv) return null
+  const parts = bboxCsv.split(',').map(Number)
+  if (parts.length !== 4 || parts.some((n) => Number.isNaN(n))) return null
+  const [w, s, e, n] = parts
+  return {
+    kind: 'bbox',
+    bboxCsv,
+    geojson: {
+      type: 'Polygon',
+      coordinates: [
+        [
+          [w, s],
+          [e, s],
+          [e, n],
+          [w, n],
+          [w, s],
+        ],
+      ],
+    },
+  }
+}
+
 const serverErrorMessage = (err: unknown): string | null => {
   if (!err) return null
   if (axios.isAxiosError(err)) {