diff --git a/content/docs/references/ui/component.mdx b/content/docs/references/ui/component.mdx
index 1895653aa1..3ee4f25a0a 100644
--- a/content/docs/references/ui/component.mdx
+++ b/content/docs/references/ui/component.mdx
@@ -366,7 +366,7 @@ Type: `string`
 | **columns** | `string[]` | optional | Fields to display in the related list. Optional: when omitted, columns derive from the related object's highlightFields / default list columns (a related list is just another surface that lists that object). Override chain: child highlightFields → field-level relatedListColumns → this inline list. |
 | **sort** | `string \| { field: string; order: Enum<'asc' \| 'desc'> }[]` | optional | Sort order for related records |
 | **limit** | `integer` | ✅ | Number of records to display initially |
-| **filter** | `{ field: string; operator: string; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Additional filter criteria for related records |
+| **filter** | `{ field: string; operator: Enum<'equals' \| 'not_equals' \| 'contains' \| 'not_contains' \| 'starts_with' \| 'ends_with' \| 'greater_than' \| 'less_than' \| 'greater_than_or_equal' \| 'less_than_or_equal' \| 'in' \| 'not_in' \| 'is_empty' \| 'is_not_empty' \| 'is_null' \| 'is_not_null' \| 'before' \| 'after' \| 'between'>; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Additional filter criteria for related records |
 | **title** | `string` | optional | Custom title for the related list |
 | **showViewAll** | `boolean` | ✅ | Show "View All" link to see all related records |
 | **actions** | `string[]` | optional | Action IDs available for related records |
diff --git a/content/docs/references/ui/page.mdx b/content/docs/references/ui/page.mdx
index 0811994cf0..7691003f41 100644
--- a/content/docs/references/ui/page.mdx
+++ b/content/docs/references/ui/page.mdx
@@ -51,7 +51,7 @@ Interface-level page configuration (Airtable parity)
 | **source** | `string` | optional | Source object name for the page |
 | **columns** | `string[] \| { field: string; label?: string; width?: number; align?: Enum<'left' \| 'center' \| 'right'>; … }[]` | optional | Columns shown by the page. Blank = all object fields. Defined directly on the page (no view inheritance). |
 | **sort** | `{ field: string; order: Enum<'asc' \| 'desc'> }[]` | optional | Default sort order for the page, defined directly on the page. |
-| **filterBy** | `{ field: string; operator: string; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Always-on page filter (base filter). |
+| **filterBy** | `{ field: string; operator: Enum<'equals' \| 'not_equals' \| 'contains' \| 'not_contains' \| 'starts_with' \| 'ends_with' \| 'greater_than' \| 'less_than' \| 'greater_than_or_equal' \| 'less_than_or_equal' \| 'in' \| 'not_in' \| 'is_empty' \| 'is_not_empty' \| 'is_null' \| 'is_not_null' \| 'before' \| 'after' \| 'between'>; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Always-on page filter (base filter). |
 | **levels** | `integer` | optional | Number of hierarchy levels to display |
 | **sourceView** | `string` | optional | @deprecated Legacy named-view inheritance. Define columns/sort/filterBy on the page instead. |
 | **appearance** | `{ showDescription: boolean; allowedVisualizations?: Enum<'grid' \| 'kanban' \| 'gallery' \| 'calendar' \| 'timeline' \| 'gantt' \| 'map' \| 'chart' \| 'tree'>[] }` | optional | Appearance and visualization configuration |
@@ -83,7 +83,7 @@ Interface-level page configuration (Airtable parity)
 | **regions** | `{ name: string; width?: Enum<'small' \| 'medium' \| 'large' \| 'full'>; components: { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … }[] }[]` | optional | Layout regions (header, main, sidebar, footer) with their components. Optional — list pages use interfaceConfig, slotted pages use slots, and an empty full page falls back to the synthesized default layout. |
 | **isDefault** | `boolean` | optional |  |
 | **assignedProfiles** | `string[]` | optional |  |
-| **interfaceConfig** | `{ source?: string; columns?: string[] \| { field: string; label?: string; width?: number; align?: Enum<'left' \| 'center' \| 'right'>; … }[]; sort?: { field: string; order: Enum<'asc' \| 'desc'> }[]; filterBy?: { field: string; operator: string; value?: string \| number \| boolean \| null \| string \| number[] }[]; … }` | optional | Interface-level page configuration (for Airtable-style interface pages) |
+| **interfaceConfig** | `{ source?: string; columns?: string[] \| { field: string; label?: string; width?: number; align?: Enum<'left' \| 'center' \| 'right'>; … }[]; sort?: { field: string; order: Enum<'asc' \| 'desc'> }[]; filterBy?: { field: string; operator?: Enum<'equals' \| 'not_equals' \| 'contains' \| 'not_contains' \| 'starts_with' \| 'ends_with' \| 'greater_than' \| 'less_than' \| 'greater_than_or_equal' \| 'less_than_or_equal' \| 'in' \| 'not_in' \| 'is_empty' \| 'is_not_empty' \| 'is_null' \| 'is_not_null' \| 'before' \| 'after' \| 'between'>; value?: string \| number \| boolean \| null \| string \| number[] }[]; … }` | optional | Interface-level page configuration (for Airtable-style interface pages) |
 | **aria** | `{ ariaLabel?: string; ariaDescribedBy?: string; role?: string }` | optional | ARIA accessibility attributes |
 | **kind** | `Enum<'full' \| 'slotted' \| 'html' \| 'react' \| 'jsx'>` | optional | Page override mode. full \| slotted = structured authoring; html = author-written constrained JSX/HTML+Tailwind compiled (parsed, never executed) to the tree (ADR-0080; the legacy value 'jsx' is a deprecated alias); react = real-React source executed at render by the runtime (ADR-0081); it runs author JS, so it is gated by a host capability that defaults ON and is disabled server-side via the OS_PAGE_REACT=off env toggle. |
 | **slots** | `{ header?: { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … } \| { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … }[]; actions?: { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … } \| { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … }[]; alerts?: { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … } \| { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … }[]; highlights?: { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … } \| { type: Enum<'page:header' \| 'page:footer' \| 'page:sidebar' \| 'page:tabs' \| 'page:accordion' \| 'page:card' \| 'page:section' \| 'record:details' \| 'record:highlights' \| 'record:related_list' \| 'record:activity' \| 'record:chatter' \| 'record:path' \| 'record:alert' \| 'record:quick_actions' \| 'record:reference_rail' \| 'record:history' \| 'app:launcher' \| 'nav:menu' \| 'nav:breadcrumb' \| 'global:search' \| 'global:notifications' \| 'user:profile' \| 'ai:chat_window' \| 'ai:suggestion' \| 'element:text' \| 'element:number' \| 'element:image' \| 'element:divider' \| 'element:button' \| 'element:filter' \| 'element:form' \| 'element:record_picker' \| 'element:text_input'> \| string; id?: string; label?: string; properties?: Record<string, any>; … }[]; … }` | optional | Slot override map for slotted pages |
diff --git a/content/docs/references/ui/view.mdx b/content/docs/references/ui/view.mdx
index 0bb7f44a21..2c557002a3 100644
--- a/content/docs/references/ui/view.mdx
+++ b/content/docs/references/ui/view.mdx
@@ -341,7 +341,7 @@ List chart view configuration
 | **type** | `Enum<'grid' \| 'kanban' \| 'gallery' \| 'calendar' \| 'timeline' \| 'gantt' \| 'map' \| 'chart' \| 'tree'>` | optional |  |
 | **data** | `{ provider: 'object'; object: string } \| { provider: 'api'; read?: object; write?: object } \| { provider: 'value'; items: any[] } \| { provider: 'schema'; schemaId: string; schema?: Record<string, any> }` | optional | Data source configuration (defaults to "object" provider) |
 | **columns** | `string[] \| { field: string; label?: string; width?: number; align?: Enum<'left' \| 'center' \| 'right'>; … }[]` | ✅ | Fields to display as columns |
-| **filter** | `{ field: string; operator: string; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Filter criteria (JSON Rules) |
+| **filter** | `{ field: string; operator?: Enum<'equals' \| 'not_equals' \| 'contains' \| 'not_contains' \| 'starts_with' \| 'ends_with' \| 'greater_than' \| 'less_than' \| 'greater_than_or_equal' \| 'less_than_or_equal' \| 'in' \| 'not_in' \| 'is_empty' \| 'is_not_empty' \| 'is_null' \| 'is_not_null' \| 'before' \| 'after' \| 'between'>; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Filter criteria (JSON Rules) |
 | **sort** | `string \| { field: string; order: Enum<'asc' \| 'desc'> }[]` | optional |  |
 | **searchableFields** | `string[]` | optional | Fields enabled for search |
 | **filterableFields** | `string[]` | optional | Legacy shorthand for userFilters.fields — bare field names enabled for end-user filtering. Prefer userFilters |
@@ -430,7 +430,7 @@ List chart view configuration
 | **type** | `Enum<'grid' \| 'kanban' \| 'gallery' \| 'calendar' \| 'timeline' \| 'gantt' \| 'map' \| 'chart' \| 'tree'>` | optional |  |
 | **data** | `{ provider: 'object'; object: string } \| { provider: 'api'; read?: object; write?: object } \| { provider: 'value'; items: any[] } \| { provider: 'schema'; schemaId: string; schema?: Record<string, any> }` | optional | Data source configuration (defaults to "object" provider) |
 | **columns** | `string[] \| { field: string; label?: string; width?: number; align?: Enum<'left' \| 'center' \| 'right'>; … }[]` | ✅ | Fields to display as columns |
-| **filter** | `{ field: string; operator: string; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Filter criteria (JSON Rules) |
+| **filter** | `{ field: string; operator?: Enum<'equals' \| 'not_equals' \| 'contains' \| 'not_contains' \| 'starts_with' \| 'ends_with' \| 'greater_than' \| 'less_than' \| 'greater_than_or_equal' \| 'less_than_or_equal' \| 'in' \| 'not_in' \| 'is_empty' \| 'is_not_empty' \| 'is_null' \| 'is_not_null' \| 'before' \| 'after' \| 'between'>; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Filter criteria (JSON Rules) |
 | **sort** | `string \| { field: string; order: Enum<'asc' \| 'desc'> }[]` | optional |  |
 | **searchableFields** | `string[]` | optional | Fields enabled for search |
 | **filterableFields** | `string[]` | optional | Legacy shorthand for userFilters.fields — bare field names enabled for end-user filtering. Prefer userFilters |
@@ -713,7 +713,7 @@ View filter rule
 | Property | Type | Required | Description |
 | :--- | :--- | :--- | :--- |
 | **field** | `string` | ✅ | Field name to filter on |
-| **operator** | `string` | ✅ | Filter operator (e.g. equals, not_equals, contains, this_quarter) |
+| **operator** | `Enum<'equals' \| 'not_equals' \| 'contains' \| 'not_contains' \| 'starts_with' \| 'ends_with' \| 'greater_than' \| 'less_than' \| 'greater_than_or_equal' \| 'less_than_or_equal' \| 'in' \| 'not_in' \| 'is_empty' \| 'is_not_empty' \| 'is_null' \| 'is_not_null' \| 'before' \| 'after' \| 'between'>` | ✅ | Filter operator |
 | **value** | `string \| number \| boolean \| null \| string \| number[]` | optional | Filter value |
 
 
@@ -836,7 +836,7 @@ Tab configuration for multi-tab view interface
 | **label** | `string` | optional | Display label |
 | **icon** | `string` | optional | Tab icon name |
 | **view** | `string` | optional | Referenced list view name from listViews |
-| **filter** | `{ field: string; operator: string; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Tab-specific filter criteria |
+| **filter** | `{ field: string; operator: Enum<'equals' \| 'not_equals' \| 'contains' \| 'not_contains' \| 'starts_with' \| 'ends_with' \| 'greater_than' \| 'less_than' \| 'greater_than_or_equal' \| 'less_than_or_equal' \| 'in' \| 'not_in' \| 'is_empty' \| 'is_not_empty' \| 'is_null' \| 'is_not_null' \| 'before' \| 'after' \| 'between'>; value?: string \| number \| boolean \| null \| string \| number[] }[]` | optional | Tab-specific filter criteria |
 | **order** | `integer` | optional | Tab display order |
 | **pinned** | `boolean` | ✅ | Pin tab (cannot be removed by users) |
 | **isDefault** | `boolean` | ✅ | Set as the default active tab |
diff --git a/packages/plugins/plugin-sharing/src/objects/sys-share-link.object.ts b/packages/plugins/plugin-sharing/src/objects/sys-share-link.object.ts
index 816535e9ba..dd3d475550 100644
--- a/packages/plugins/plugin-sharing/src/objects/sys-share-link.object.ts
+++ b/packages/plugins/plugin-sharing/src/objects/sys-share-link.object.ts
@@ -58,7 +58,7 @@ export const SysShareLink = ObjectSchema.create({
       label: 'Active',
       data: { provider: 'object', object: 'sys_share_link' },
       columns: ['object_name', 'record_id', 'permission', 'audience', 'expires_at', 'use_count', 'last_used_at'],
-      filter: [{ field: 'revoked_at', operator: 'isNull' }],
+      filter: [{ field: 'revoked_at', operator: 'is_null' }],
       sort: [{ field: 'created_at', order: 'desc' }],
       pagination: { pageSize: 100 },
     },
@@ -78,7 +78,7 @@ export const SysShareLink = ObjectSchema.create({
       label: 'Revoked',
       data: { provider: 'object', object: 'sys_share_link' },
       columns: ['object_name', 'record_id', 'revoked_at', 'created_by'],
-      filter: [{ field: 'revoked_at', operator: 'isNotNull' }],
+      filter: [{ field: 'revoked_at', operator: 'is_not_null' }],
       sort: [{ field: 'revoked_at', order: 'desc' }],
       pagination: { pageSize: 50 },
     },
diff --git a/packages/spec/api-surface.json b/packages/spec/api-surface.json
index 51c448b517..13e087e283 100644
--- a/packages/spec/api-surface.json
+++ b/packages/spec/api-surface.json
@@ -3388,9 +3388,12 @@
     "UserFilterFieldSchema (const)",
     "UserFilters (type)",
     "UserFiltersSchema (const)",
+    "VIEW_FILTER_OPERATORS (const)",
+    "VIEW_FILTER_OPERATOR_ALIASES (const)",
     "View (type)",
     "ViewData (type)",
     "ViewDataSchema (const)",
+    "ViewFilterOperator (type)",
     "ViewFilterRule (type)",
     "ViewFilterRuleSchema (const)",
     "ViewItem (type)",
@@ -3445,6 +3448,7 @@
     "expandViewContainer (function)",
     "expandViewContainerWithDiagnostics (function)",
     "isAggregatedViewContainer (function)",
+    "normalizeFilterOperator (function)",
     "pageForm (const)",
     "reportForm (const)",
     "viewForm (const)"
diff --git a/packages/spec/src/ui/view.form.ts b/packages/spec/src/ui/view.form.ts
index 04087bca4e..df6e426847 100644
--- a/packages/spec/src/ui/view.form.ts
+++ b/packages/spec/src/ui/view.form.ts
@@ -37,7 +37,7 @@ export const viewForm = defineForm({
       description: 'What rows show and how users filter them.',
       fields: [
         { field: 'columns', type: 'repeater', required: true, helpText: 'Columns to display (field names from selected object)' },
-        { field: 'filter', type: 'repeater', helpText: 'Filter conditions' },
+        { field: 'filter', widget: 'filter-builder', dependsOn: 'data.object', helpText: 'Filter conditions — same visual builder as the list toolbar, with field-type-aware operators and value inputs' },
         { field: 'sort', type: 'repeater', helpText: 'Default sort order' },
         { field: 'searchableFields', widget: 'string-tags', helpText: 'Field names available for quick search' },
         { field: 'filterableFields', widget: 'string-tags', helpText: 'Field names available for filtering' },
diff --git a/packages/spec/src/ui/view.test.ts b/packages/spec/src/ui/view.test.ts
index 68226aa6d1..82601e2185 100644
--- a/packages/spec/src/ui/view.test.ts
+++ b/packages/spec/src/ui/view.test.ts
@@ -734,7 +734,7 @@ describe('ViewSchema', () => {
             type: 'grid',
             columns: ['name', 'account_name', 'amount', 'stage', 'close_date'],
             filter: [
-              { field: 'close_date', operator: 'this_quarter' },
+              { field: 'close_date', operator: 'after', value: '2024-01-01' },
             ],
             sort: [{ field: 'amount', order: 'desc' }],
           },
@@ -2477,15 +2477,29 @@ describe('ViewFilterRuleSchema', () => {
 
   it('should accept a unary filter rule without value', () => {
     const rule = ViewFilterRuleSchema.parse({
-      field: 'close_date',
-      operator: 'this_quarter',
+      field: 'archived_at',
+      operator: 'is_empty',
     });
     expect(rule.value).toBeUndefined();
   });
 
   it('should accept boolean and number filter values', () => {
     expect(() => ViewFilterRuleSchema.parse({ field: 'archived', operator: 'equals', value: false })).not.toThrow();
-    expect(() => ViewFilterRuleSchema.parse({ field: 'amount', operator: 'gte', value: 1000 })).not.toThrow();
+    expect(() => ViewFilterRuleSchema.parse({ field: 'amount', operator: 'greater_than_or_equal', value: 1000 })).not.toThrow();
+  });
+
+  it('should normalize legacy operator aliases to canonical', () => {
+    expect(ViewFilterRuleSchema.parse({ field: 'amount', operator: 'gte', value: 1 }).operator).toBe('greater_than_or_equal');
+    expect(ViewFilterRuleSchema.parse({ field: 'amount', operator: 'gt', value: 1 }).operator).toBe('greater_than');
+    expect(ViewFilterRuleSchema.parse({ field: 'name', operator: 'eq', value: 'x' }).operator).toBe('equals');
+    expect(ViewFilterRuleSchema.parse({ field: 'name', operator: 'notEquals', value: 'x' }).operator).toBe('not_equals');
+    expect(ViewFilterRuleSchema.parse({ field: 'revoked_at', operator: 'isNull' }).operator).toBe('is_null');
+    expect(ViewFilterRuleSchema.parse({ field: 'tags', operator: 'nin', value: ['a'] }).operator).toBe('not_in');
+  });
+
+  it('should reject a genuinely unknown operator', () => {
+    expect(() => ViewFilterRuleSchema.parse({ field: 'close_date', operator: 'this_quarter' })).toThrow();
+    expect(() => ViewFilterRuleSchema.parse({ field: 'x', operator: 'totally_bogus' })).toThrow();
   });
 
   it('should accept array filter values (for IN operator)', () => {
diff --git a/packages/spec/src/ui/view.zod.ts b/packages/spec/src/ui/view.zod.ts
index 8bbed71fc1..5ea99cb665 100644
--- a/packages/spec/src/ui/view.zod.ts
+++ b/packages/spec/src/ui/view.zod.ts
@@ -55,6 +55,78 @@ export const ViewDataSchema = lazySchema(() => z.discriminatedUnion('provider',
   }),
 ]));
 
+/**
+ * Canonical filter operators for view filter rules.
+ *
+ * This is the SINGLE authoring vocabulary for `ViewFilterRule.operator`.
+ * Exposing it as an enum (rather than a free `z.string()`) lets JSON-Schema
+ * consumers — notably ObjectUI's SchemaForm — auto-render an operator
+ * dropdown, and rejects genuinely unknown operators at parse time.
+ *
+ * Unary operators (`is_empty`, `is_not_empty`, `is_null`, `is_not_null`) take
+ * no `value`. `before` / `after` are the date-friendly spellings of
+ * `less_than` / `greater_than`; `between` expects a two-element `value` array.
+ *
+ * Note: relative-date operators (`this_quarter`, `last_7_days`, …) are NOT
+ * filter-rule operators — they are date-range presets and live on dashboard
+ * date-range config (`DashboardFilterSchema.defaultRange`), not here.
+ */
+export const VIEW_FILTER_OPERATORS = [
+  'equals', 'not_equals',
+  'contains', 'not_contains',
+  'starts_with', 'ends_with',
+  'greater_than', 'less_than',
+  'greater_than_or_equal', 'less_than_or_equal',
+  'in', 'not_in',
+  'is_empty', 'is_not_empty',
+  'is_null', 'is_not_null',
+  'before', 'after', 'between',
+] as const;
+
+export type ViewFilterOperator = (typeof VIEW_FILTER_OPERATORS)[number];
+
+/**
+ * Legacy operator spellings normalized to the canonical vocabulary above.
+ *
+ * These are historical shorthand (`eq`, `gt`) and camelCase (`notEquals`,
+ * `greaterThan`) forms that older authoring tools and already-stored view
+ * metadata may still carry. They are folded to canonical on parse so every
+ * downstream consumer sees exactly one vocabulary — one strict contract, not
+ * N dialects. Deprecated: new producers MUST emit the canonical forms; these
+ * aliases are a migration bridge and may be dropped in a future major.
+ */
+export const VIEW_FILTER_OPERATOR_ALIASES: Record<string, ViewFilterOperator> = {
+  eq: 'equals',
+  ne: 'not_equals', neq: 'not_equals', notequals: 'not_equals', notEquals: 'not_equals',
+  notcontains: 'not_contains', notContains: 'not_contains',
+  startswith: 'starts_with', startsWith: 'starts_with',
+  endswith: 'ends_with', endsWith: 'ends_with',
+  gt: 'greater_than', greaterthan: 'greater_than', greaterThan: 'greater_than',
+  lt: 'less_than', lessthan: 'less_than', lessThan: 'less_than',
+  gte: 'greater_than_or_equal', greaterorequal: 'greater_than_or_equal',
+  greaterOrEqual: 'greater_than_or_equal', greaterThanOrEqual: 'greater_than_or_equal',
+  lte: 'less_than_or_equal', lessorequal: 'less_than_or_equal',
+  lessOrEqual: 'less_than_or_equal', lessThanOrEqual: 'less_than_or_equal',
+  nin: 'not_in', notin: 'not_in', notIn: 'not_in',
+  isempty: 'is_empty', isEmpty: 'is_empty',
+  isnotempty: 'is_not_empty', isNotEmpty: 'is_not_empty',
+  isnull: 'is_null', isNull: 'is_null',
+  isnotnull: 'is_not_null', isNotNull: 'is_not_null',
+};
+
+/**
+ * Fold a legacy operator spelling to its canonical form. Returns canonical
+ * operators unchanged, maps known aliases, and returns unknown input verbatim
+ * (so the enum's own validation reports it as invalid). Exported so producers
+ * and renderers can normalize stored metadata against the SAME canonical map
+ * the schema uses, instead of inventing a second dialect.
+ */
+export function normalizeFilterOperator(op: unknown): string {
+  if (typeof op !== 'string') return op as string;
+  if ((VIEW_FILTER_OPERATORS as readonly string[]).includes(op)) return op;
+  return VIEW_FILTER_OPERATOR_ALIASES[op] ?? VIEW_FILTER_OPERATOR_ALIASES[op.toLowerCase()] ?? op;
+}
+
 /**
  * View Filter Rule Schema
  * Standardized filter condition used in list views, tabs, and page-level filters.
@@ -64,16 +136,22 @@ export const ViewDataSchema = lazySchema(() => z.discriminatedUnion('provider',
  * ```ts
  * filter: [
  *   { field: 'status', operator: 'equals', value: 'active' },
- *   { field: 'close_date', operator: 'this_quarter' },
+ *   { field: 'close_date', operator: 'after', value: '2024-01-01' },
+ *   { field: 'archived_at', operator: 'is_empty' },
  * ]
  * ```
  */
 export const ViewFilterRuleSchema = lazySchema(() => z.object({
   /** Field name to filter on */
   field: z.string().describe('Field name to filter on'),
-  /** Filter operator */
-  operator: z.string().describe('Filter operator (e.g. equals, not_equals, contains, this_quarter)'),
-  /** Filter value (optional for unary operators like is_null, this_quarter) */
+  /**
+   * Filter operator (canonical vocabulary). Legacy shorthand/camelCase
+   * spellings (`eq`, `gt`, `isNull`, …) are accepted and normalized to
+   * canonical on parse.
+   */
+  operator: z.preprocess(normalizeFilterOperator, z.enum(VIEW_FILTER_OPERATORS))
+    .describe('Filter operator'),
+  /** Filter value (optional for unary operators like is_empty, is_null) */
   value: z.union([z.string(), z.number(), z.boolean(), z.null(), z.array(z.union([z.string(), z.number()]))])
     .optional().describe('Filter value'),
 }).describe('View filter rule'));
@@ -551,6 +629,14 @@ export const ListViewSchema = lazySchema(() => z.object({
     z.array(ListColumnSchema), // Enhanced: detailed column config
   ]).describe('Fields to display as columns'),
   filter: z.array(ViewFilterRuleSchema).optional().describe('Filter criteria (JSON Rules)'),
+  /**
+   * Sort order. Prefer the structured `{ field, order }[]` form.
+   *
+   * @deprecated The bare string form (`"field desc"`) is legacy and retained
+   * only for backward compatibility (it was the exact shape that crashed the
+   * renderer in objectui#2601 — kept covered by a live fixture). Removal will
+   * go through its own deprecation cycle; do not drop it here.
+   */
   sort: z.union([
     z.string(), //Legacy "field desc"
     z.array(z.object({