diff --git a/docs/release-control/v6/internal/subsystems/frontend-primitives.md b/docs/release-control/v6/internal/subsystems/frontend-primitives.md
index 8801cb8e9..657523844 100644
--- a/docs/release-control/v6/internal/subsystems/frontend-primitives.md
+++ b/docs/release-control/v6/internal/subsystems/frontend-primitives.md
@@ -270,6 +270,14 @@ selection, and `frontend-modern/src/components/shared/commandPaletteModel.ts`
 owns canonical command construction plus query normalization and filtering
 policy. Future command-palette work should extend those owners instead of
 pushing route construction or search policy back into the shared shell.
+The shared search field now follows that same owner split.
+`frontend-modern/src/components/shared/SearchField.tsx` stays the render shell,
+`frontend-modern/src/components/shared/useSearchFieldState.ts` owns focused-
+Escape clear/blur behavior and input-ref lifecycle, and
+`frontend-modern/src/components/shared/searchFieldModel.ts` owns clear/shortcut
+visibility rules plus trailing-control padding policy. Future search-field work
+should extend those owners instead of pushing event behavior or layout policy
+back into the shared shell.
 The shared pulse data grid now follows that same owner split.
 `frontend-modern/src/components/shared/PulseDataGrid.tsx` stays the render
 shell, `frontend-modern/src/components/shared/usePulseDataGridState.ts` owns
diff --git a/frontend-modern/src/components/shared/SearchField.tsx b/frontend-modern/src/components/shared/SearchField.tsx
index 33aebc245..48455bfc4 100644
--- a/frontend-modern/src/components/shared/SearchField.tsx
+++ b/frontend-modern/src/components/shared/SearchField.tsx
@@ -1,76 +1,29 @@
 import { Component, Show } from 'solid-js';
+import { type SearchFieldProps } from './searchFieldModel';
+import { useSearchFieldState } from './useSearchFieldState';
 
-type SearchFieldKeyboardEvent = KeyboardEvent & {
-  currentTarget: HTMLInputElement;
-  target: Element;
-};
-
-type SearchFieldFocusEvent = FocusEvent & {
-  currentTarget: HTMLInputElement;
-  target: Element;
-};
-
-type SearchFieldMouseEvent = MouseEvent & {
-  currentTarget: HTMLButtonElement;
-  target: Element;
-};
-
-export interface SearchFieldProps {
-  value: string;
-  onChange: (value: string) => void;
-  placeholder?: string;
-  title?: string;
-  inputRef?: (el: HTMLInputElement) => void;
-  class?: string;
-  inputClass?: string;
-  disabled?: boolean;
-  onKeyDown?: (event: SearchFieldKeyboardEvent) => void;
-  onBlur?: (event: SearchFieldFocusEvent) => void;
-  showClearButton?: boolean;
-  clearOnFocusedEscape?: boolean;
-  shortcutHint?: string;
-  hasTrailingControls?: boolean;
-  trailingControls?: import('solid-js').JSX.Element;
-  onClearMouseDown?: (event: SearchFieldMouseEvent) => void;
-}
+export type {
+  SearchFieldFocusEvent,
+  SearchFieldKeyboardEvent,
+  SearchFieldMouseEvent,
+  SearchFieldProps,
+} from './searchFieldModel';
 
 export const SearchField: Component<SearchFieldProps> = (props) => {
-  let inputEl: HTMLInputElement | undefined;
-
-  const showShortcutHint = () => Boolean(props.shortcutHint && !props.value);
-  const showClearButton = () =>
-    (props.showClearButton ?? true) && Boolean(props.value) && !props.disabled;
-
-  const inputPaddingRight = () => {
-    if (props.hasTrailingControls) return 'pr-14 sm:pr-20';
-    if (showShortcutHint()) return 'pr-20 sm:pr-24';
-    if (showClearButton()) return 'pr-8';
-    return 'pr-8';
-  };
+  const search = useSearchFieldState(props);
 
   return (
     <div class={`relative w-full ${props.class ?? ''}`}>
       <input
-        ref={(el) => {
-          inputEl = el;
-          props.inputRef?.(el);
-        }}
+        ref={search.setInputRef}
         type="text"
         placeholder={props.placeholder ?? 'Search...'}
         value={props.value}
         disabled={props.disabled}
         onInput={(e) => props.onChange(e.currentTarget.value)}
-        onKeyDown={(e) => {
-          if (e.key === 'Escape' && (props.clearOnFocusedEscape ?? true)) {
-            if (props.value) {
-              props.onChange('');
-            }
-            inputEl?.blur();
-          }
-          props.onKeyDown?.(e);
-        }}
-        onBlur={(e) => props.onBlur?.(e)}
-        class={`w-full pl-8 sm:pl-9 ${inputPaddingRight()} py-1.5 sm:py-2 text-sm border border-border rounded-md
+        onKeyDown={search.handleKeyDown}
+        onBlur={search.handleBlur}
+        class={`w-full pl-8 sm:pl-9 ${search.inputPaddingRight()} py-1.5 sm:py-2 text-sm border border-border rounded-md
  bg-surface text-base-content placeholder-muted
  focus:ring-2 focus:ring-blue-500 focus:border-blue-500 dark:focus:border-blue-400 outline-none transition-all disabled:opacity-60 disabled:cursor-not-allowed ${props.inputClass ?? ''}`}
         title={props.title}
@@ -89,12 +42,12 @@ export const SearchField: Component<SearchFieldProps> = (props) => {
         />
       </svg>
       <div class="absolute inset-y-0 right-2 flex items-center gap-1">
-        <Show when={showShortcutHint()}>
+        <Show when={search.showShortcutHint()}>
           <span class="pointer-events-none hidden items-center rounded border border-border bg-surface-alt px-1.5 py-0.5 text-[10px] font-semibold text-muted sm:inline-flex">
             {props.shortcutHint}
           </span>
         </Show>
-        <Show when={showClearButton()}>
+        <Show when={search.showClearButton()}>
           <button
             type="button"
             class="p-1 rounded-full bg-surface-hover text-muted hover:bg-red-100 hover:text-red-600 dark:hover:bg-red-900 dark:hover:text-red-400 transition-all duration-150 active:scale-90"
diff --git a/frontend-modern/src/components/shared/SharedPrimitives.guardrails.test.ts b/frontend-modern/src/components/shared/SharedPrimitives.guardrails.test.ts
index 152968460..da3b901e5 100644
--- a/frontend-modern/src/components/shared/SharedPrimitives.guardrails.test.ts
+++ b/frontend-modern/src/components/shared/SharedPrimitives.guardrails.test.ts
@@ -21,6 +21,8 @@ import mobileNavBarModelSource from '@/components/shared/mobileNavBarModel.ts?ra
 import infrastructureSelectorSource from '@/components/shared/InfrastructureSelector.tsx?raw';
 import pulseDataGridSource from '@/components/shared/PulseDataGrid.tsx?raw';
 import pulseDataGridModelSource from '@/components/shared/pulseDataGridModel.ts?raw';
+import searchFieldSource from '@/components/shared/SearchField.tsx?raw';
+import searchFieldModelSource from '@/components/shared/searchFieldModel.ts?raw';
 import interactiveSparklineSource from '@/components/shared/InteractiveSparkline.tsx?raw';
 import interactiveSparklineModelSource from '@/components/shared/interactiveSparklineModel.ts?raw';
 import infrastructureSummaryTableSource from '@/components/shared/InfrastructureSummaryTable.tsx?raw';
@@ -40,6 +42,7 @@ import infrastructureDetailsDrawerStateSource from '@/components/shared/useInfra
 import mobileNavBarStateSource from '@/components/shared/useMobileNavBarState.ts?raw';
 import infrastructureSelectorStateSource from '@/components/shared/useInfrastructureSelectorState.ts?raw';
 import pulseDataGridStateSource from '@/components/shared/usePulseDataGridState.ts?raw';
+import searchFieldStateSource from '@/components/shared/useSearchFieldState.ts?raw';
 import interactiveSparklineStateSource from '@/components/shared/useInteractiveSparklineState.ts?raw';
 import webInterfaceUrlFieldSource from '@/components/shared/WebInterfaceUrlField.tsx?raw';
 import webInterfaceUrlFieldModelSource from '@/components/shared/webInterfaceUrlFieldModel.ts?raw';
@@ -409,4 +412,22 @@ describe('shared primitive guardrails', () => {
     expect(pulseDataGridModelSource).toContain('export const isPulseDataGridInteractiveTarget');
     expect(pulseDataGridModelSource).toContain('target.closest(');
   });
+
+  it('keeps search field on shell, runtime, and model owners', () => {
+    expect(searchFieldSource).toContain('useSearchFieldState');
+    expect(searchFieldSource).not.toContain('let inputEl: HTMLInputElement');
+    expect(searchFieldSource).not.toContain("if (props.hasTrailingControls) return 'pr-14 sm:pr-20'");
+    expect(searchFieldSource).not.toContain("if (e.key === 'Escape'");
+
+    expect(searchFieldStateSource).toContain('export function useSearchFieldState');
+    expect(searchFieldStateSource).toContain('let inputEl: HTMLInputElement');
+    expect(searchFieldStateSource).toContain("if (event.key === 'Escape'");
+    expect(searchFieldStateSource).toContain('inputEl?.blur()');
+    expect(searchFieldStateSource).toContain('getSearchFieldInputPaddingRightClass');
+
+    expect(searchFieldModelSource).toContain('shouldShowSearchFieldShortcutHint');
+    expect(searchFieldModelSource).toContain('shouldShowSearchFieldClearButton');
+    expect(searchFieldModelSource).toContain('getSearchFieldInputPaddingRightClass');
+    expect(searchFieldModelSource).toContain("return 'pr-14 sm:pr-20'");
+  });
 });
diff --git a/frontend-modern/src/components/shared/__tests__/SearchField.test.tsx b/frontend-modern/src/components/shared/__tests__/SearchField.test.tsx
index 2eaac39cd..b9cec2dd4 100644
--- a/frontend-modern/src/components/shared/__tests__/SearchField.test.tsx
+++ b/frontend-modern/src/components/shared/__tests__/SearchField.test.tsx
@@ -1,6 +1,9 @@
 import { cleanup, fireEvent, render, screen } from '@solidjs/testing-library';
 import { afterEach, describe, expect, it, vi } from 'vitest';
 import { createSignal } from 'solid-js';
+import searchFieldSource from '@/components/shared/SearchField.tsx?raw';
+import searchFieldModelSource from '@/components/shared/searchFieldModel.ts?raw';
+import searchFieldStateSource from '@/components/shared/useSearchFieldState.ts?raw';
 import { SearchField } from '@/components/shared/SearchField';
 
 describe('SearchField', () => {
@@ -8,6 +11,24 @@ describe('SearchField', () => {
     cleanup();
   });
 
+  it('keeps search field on shell, runtime, and model owners', () => {
+    expect(searchFieldSource).toContain('useSearchFieldState');
+    expect(searchFieldSource).not.toContain('let inputEl: HTMLInputElement');
+    expect(searchFieldSource).not.toContain("if (props.hasTrailingControls) return 'pr-14 sm:pr-20'");
+    expect(searchFieldSource).not.toContain("if (e.key === 'Escape'");
+
+    expect(searchFieldStateSource).toContain('export function useSearchFieldState');
+    expect(searchFieldStateSource).toContain('let inputEl: HTMLInputElement');
+    expect(searchFieldStateSource).toContain("if (event.key === 'Escape'");
+    expect(searchFieldStateSource).toContain('inputEl?.blur()');
+    expect(searchFieldStateSource).toContain('getSearchFieldInputPaddingRightClass');
+
+    expect(searchFieldModelSource).toContain('shouldShowSearchFieldShortcutHint');
+    expect(searchFieldModelSource).toContain('shouldShowSearchFieldClearButton');
+    expect(searchFieldModelSource).toContain('getSearchFieldInputPaddingRightClass');
+    expect(searchFieldModelSource).toContain("return 'pr-14 sm:pr-20'");
+  });
+
   it('renders the shortcut hint when empty', () => {
     render(() => (
       <SearchField value="" onChange={vi.fn()} placeholder="Search field" shortcutHint="Cmd+K" />
diff --git a/frontend-modern/src/components/shared/searchFieldModel.ts b/frontend-modern/src/components/shared/searchFieldModel.ts
new file mode 100644
index 000000000..2fa3a49a0
--- /dev/null
+++ b/frontend-modern/src/components/shared/searchFieldModel.ts
@@ -0,0 +1,55 @@
+import type { JSX } from 'solid-js';
+
+export type SearchFieldKeyboardEvent = KeyboardEvent & {
+  currentTarget: HTMLInputElement;
+  target: Element;
+};
+
+export type SearchFieldFocusEvent = FocusEvent & {
+  currentTarget: HTMLInputElement;
+  target: Element;
+};
+
+export type SearchFieldMouseEvent = MouseEvent & {
+  currentTarget: HTMLButtonElement;
+  target: Element;
+};
+
+export interface SearchFieldProps {
+  value: string;
+  onChange: (value: string) => void;
+  placeholder?: string;
+  title?: string;
+  inputRef?: (el: HTMLInputElement) => void;
+  class?: string;
+  inputClass?: string;
+  disabled?: boolean;
+  onKeyDown?: (event: SearchFieldKeyboardEvent) => void;
+  onBlur?: (event: SearchFieldFocusEvent) => void;
+  showClearButton?: boolean;
+  clearOnFocusedEscape?: boolean;
+  shortcutHint?: string;
+  hasTrailingControls?: boolean;
+  trailingControls?: JSX.Element;
+  onClearMouseDown?: (event: SearchFieldMouseEvent) => void;
+}
+
+export const shouldShowSearchFieldShortcutHint = (value: string, shortcutHint?: string) =>
+  Boolean(shortcutHint && !value);
+
+export const shouldShowSearchFieldClearButton = (
+  value: string,
+  disabled?: boolean,
+  showClearButton?: boolean,
+) => (showClearButton ?? true) && Boolean(value) && !disabled;
+
+export const getSearchFieldInputPaddingRightClass = (options: {
+  hasTrailingControls?: boolean;
+  showShortcutHint: boolean;
+  showClearButton: boolean;
+}) => {
+  if (options.hasTrailingControls) return 'pr-14 sm:pr-20';
+  if (options.showShortcutHint) return 'pr-20 sm:pr-24';
+  if (options.showClearButton) return 'pr-8';
+  return 'pr-8';
+};
diff --git a/frontend-modern/src/components/shared/useSearchFieldState.ts b/frontend-modern/src/components/shared/useSearchFieldState.ts
new file mode 100644
index 000000000..46e82957e
--- /dev/null
+++ b/frontend-modern/src/components/shared/useSearchFieldState.ts
@@ -0,0 +1,82 @@
+import {
+  getSearchFieldInputPaddingRightClass,
+  shouldShowSearchFieldClearButton,
+  shouldShowSearchFieldShortcutHint,
+  type SearchFieldFocusEvent,
+  type SearchFieldKeyboardEvent,
+  type SearchFieldProps,
+} from './searchFieldModel';
+
+type SearchFieldStateOptions = Pick<
+  SearchFieldProps,
+  | 'clearOnFocusedEscape'
+  | 'disabled'
+  | 'hasTrailingControls'
+  | 'inputRef'
+  | 'onBlur'
+  | 'onChange'
+  | 'onKeyDown'
+  | 'showClearButton'
+  | 'shortcutHint'
+  | 'value'
+>;
+
+export function useSearchFieldState(options: SearchFieldStateOptions) {
+  let inputEl: HTMLInputElement | undefined;
+
+  const normalizeEventTarget = <
+    TEvent extends { currentTarget: EventTarget | null; target: EventTarget | null },
+  >(
+    event: TEvent,
+  ) => {
+    const currentTarget = event.currentTarget as HTMLInputElement;
+    const normalizedTarget = event.target as Element;
+
+    return new Proxy(event, {
+      get(eventTarget, prop, receiver) {
+        if (prop === 'currentTarget') return currentTarget;
+        if (prop === 'target') return normalizedTarget;
+        return Reflect.get(eventTarget, prop, receiver);
+      },
+    });
+  };
+
+  const showShortcutHint = () =>
+    shouldShowSearchFieldShortcutHint(options.value, options.shortcutHint);
+  const showClearButton = () =>
+    shouldShowSearchFieldClearButton(options.value, options.disabled, options.showClearButton);
+  const inputPaddingRight = () =>
+    getSearchFieldInputPaddingRightClass({
+      hasTrailingControls: options.hasTrailingControls,
+      showShortcutHint: showShortcutHint(),
+      showClearButton: showClearButton(),
+    });
+
+  const setInputRef = (el: HTMLInputElement) => {
+    inputEl = el;
+    options.inputRef?.(el);
+  };
+
+  const handleKeyDown = (event: KeyboardEvent & { currentTarget: HTMLInputElement }) => {
+    if (event.key === 'Escape' && (options.clearOnFocusedEscape ?? true)) {
+      if (options.value) {
+        options.onChange('');
+      }
+      inputEl?.blur();
+    }
+    options.onKeyDown?.(normalizeEventTarget(event) as SearchFieldKeyboardEvent);
+  };
+
+  const handleBlur = (event: FocusEvent & { currentTarget: HTMLInputElement }) => {
+    options.onBlur?.(normalizeEventTarget(event) as SearchFieldFocusEvent);
+  };
+
+  return {
+    handleBlur,
+    handleKeyDown,
+    inputPaddingRight,
+    setInputRef,
+    showClearButton,
+    showShortcutHint,
+  };
+}
diff --git a/frontend-modern/src/utils/__tests__/frontendResourceTypeBoundaries.test.ts b/frontend-modern/src/utils/__tests__/frontendResourceTypeBoundaries.test.ts
index 53de8fd4e..d23bd8cfc 100644
--- a/frontend-modern/src/utils/__tests__/frontendResourceTypeBoundaries.test.ts
+++ b/frontend-modern/src/utils/__tests__/frontendResourceTypeBoundaries.test.ts
@@ -26,6 +26,8 @@ import mobileNavBarModelSource from '@/components/shared/mobileNavBarModel.ts?ra
 import infrastructureSelectorSource from '@/components/shared/InfrastructureSelector.tsx?raw';
 import pulseDataGridSource from '@/components/shared/PulseDataGrid.tsx?raw';
 import pulseDataGridModelSource from '@/components/shared/pulseDataGridModel.ts?raw';
+import searchFieldSource from '@/components/shared/SearchField.tsx?raw';
+import searchFieldModelSource from '@/components/shared/searchFieldModel.ts?raw';
 import infrastructureSummaryTableSource from '@/components/shared/InfrastructureSummaryTable.tsx?raw';
 import infrastructureSummaryTableRowSource from '@/components/shared/InfrastructureSummaryTableRow.tsx?raw';
 import interactiveSparklineSource from '@/components/shared/InteractiveSparkline.tsx?raw';
@@ -39,6 +41,7 @@ import historyChartStateSource from '@/components/shared/useHistoryChartState.ts
 import mobileNavBarStateSource from '@/components/shared/useMobileNavBarState.ts?raw';
 import infrastructureSelectorStateSource from '@/components/shared/useInfrastructureSelectorState.ts?raw';
 import pulseDataGridStateSource from '@/components/shared/usePulseDataGridState.ts?raw';
+import searchFieldStateSource from '@/components/shared/useSearchFieldState.ts?raw';
 import interactiveSparklineStateSource from '@/components/shared/useInteractiveSparklineState.ts?raw';
 import infrastructureSummaryTableStateSource from '@/components/shared/useInfrastructureSummaryTableState.ts?raw';
 import resourceBadgePresentationSource from '@/utils/resourceBadgePresentation.ts?raw';
@@ -2655,6 +2658,16 @@ describe('frontend resource type boundaries', () => {
     expect(pulseDataGridModelSource).toContain('getPulseDataGridAlignClass');
     expect(pulseDataGridModelSource).toContain('isPulseDataGridInteractiveTarget');
     expect(pulseDataGridModelSource).toContain('target.closest(');
+    expect(searchFieldSource).toContain('useSearchFieldState');
+    expect(searchFieldSource).not.toContain('let inputEl: HTMLInputElement');
+    expect(searchFieldSource).not.toContain("if (props.hasTrailingControls) return 'pr-14 sm:pr-20'");
+    expect(searchFieldSource).not.toContain("if (e.key === 'Escape'");
+    expect(searchFieldStateSource).toContain('let inputEl: HTMLInputElement');
+    expect(searchFieldStateSource).toContain("if (event.key === 'Escape'");
+    expect(searchFieldStateSource).toContain('inputEl?.blur()');
+    expect(searchFieldModelSource).toContain('shouldShowSearchFieldShortcutHint');
+    expect(searchFieldModelSource).toContain('shouldShowSearchFieldClearButton');
+    expect(searchFieldModelSource).toContain('getSearchFieldInputPaddingRightClass');
     expect(infrastructureSummaryModelSource).not.toContain(
       'const asTrimmedString = (value: unknown): string | null => {',
     );