integrate befoulment into weapon edit views

- wire BefoulmentSelect into EditWeaponSidebar and WeaponEditPane
- update hasAxSkills logic to use series.augmentType
- add befoulment to save payloads and handlers
- add hasBefoulment to modificationDetector
- update TeamView to display befoulment with exorcism level
- fix story mocks

src/lib/components/collection/CollectionWeaponPane.svelte

@@ -10,7 +10,7 @@
 	 */
 	import { onMount } from 'svelte'
 	import type { CollectionWeapon } from '$lib/types/api/collection'
-	import type { AugmentSkill } from '$lib/types/api/weaponStatModifier'
+	import type { AugmentSkill, Befoulment } from '$lib/types/api/weaponStatModifier'
 	import {
 		useUpdateCollectionWeapon,
 		useRemoveWeaponFromCollection
@@ -89,7 +89,8 @@
 					level: weapon.awakening.level
 				}
 			: null,
-		axSkills: (weapon.ax as AugmentSkill[]) ?? []
+		axSkills: (weapon.ax as AugmentSkill[]) ?? [],
+		befoulment: (weapon.befoulment as Befoulment) ?? null
 	})
 
 	// Element name for theming
@@ -143,15 +144,22 @@
 			}
 
 			// AX skills
-			if (updates.axModifier1 !== undefined) {
-				input.axModifier1 = updates.axModifier1
+			if (updates.axModifier1Id !== undefined) {
+				input.axModifier1Id = updates.axModifier1Id
 				input.axStrength1 = updates.axStrength1
 			}
-			if (updates.axModifier2 !== undefined) {
-				input.axModifier2 = updates.axModifier2
+			if (updates.axModifier2Id !== undefined) {
+				input.axModifier2Id = updates.axModifier2Id
 				input.axStrength2 = updates.axStrength2
 			}
 
+			// Befoulment
+			if (updates.befoulmentModifierId !== undefined) {
+				input.befoulmentModifierId = updates.befoulmentModifierId
+				input.befoulmentStrength = updates.befoulmentStrength
+				input.exorcismLevel = updates.exorcismLevel
+			}
+
 			const updatedWeapon = await updateMutation.mutateAsync({
 				id: weapon.id,
 				input

src/lib/components/collection/WeaponEditPane.svelte

@@ -11,12 +11,13 @@
 	 * - Awakening (for weapons with awakening support)
 	 */
 	import type { Weapon, Awakening } from '$lib/types/api/entities'
-	import type { AugmentSkill } from '$lib/types/api/weaponStatModifier'
+	import type { AugmentSkill, Befoulment } from '$lib/types/api/weaponStatModifier'
 	import DetailsSection from '$lib/components/sidebar/details/DetailsSection.svelte'
 	import Select from '$lib/components/ui/Select.svelte'
 	import WeaponKeySelect from '$lib/components/sidebar/edit/WeaponKeySelect.svelte'
 	import AwakeningSelect from '$lib/components/sidebar/edit/AwakeningSelect.svelte'
 	import AxSkillSelect from '$lib/components/sidebar/edit/AxSkillSelect.svelte'
+	import BefoulmentSelect from '$lib/components/sidebar/edit/BefoulmentSelect.svelte'
 	import UncapIndicator from '$lib/components/uncap/UncapIndicator.svelte'
 	import { getElementIcon } from '$lib/utils/images'
 	import { seriesHasWeaponKeys, getSeriesSlug } from '$lib/utils/weaponSeries'
@@ -33,6 +34,7 @@
 			level: number
 		} | null
 		axSkills: AugmentSkill[]
+		befoulment?: Befoulment | null
 	}
 
 	export interface WeaponEditUpdates {
@@ -51,6 +53,9 @@
 		axStrength1?: number
 		axModifier2Id?: string
 		axStrength2?: number
+		befoulmentModifierId?: string
+		befoulmentStrength?: number
+		exorcismLevel?: number
 	}
 
 	interface Props {
@@ -74,6 +79,7 @@
 	let selectedAwakening = $state<Awakening | undefined>(currentValues.awakening?.type)
 	let awakeningLevel = $state(currentValues.awakening?.level ?? 1)
 	let axSkills = $state<AugmentSkill[]>(currentValues.axSkills ?? [])
+	let befoulment = $state<Befoulment | null>(currentValues.befoulment ?? null)
 
 	// Re-initialize when currentValues changes
 	$effect(() => {
@@ -86,6 +92,7 @@
 		selectedAwakening = currentValues.awakening?.type
 		awakeningLevel = currentValues.awakening?.level ?? 1
 		axSkills = currentValues.axSkills ?? []
+		befoulment = currentValues.befoulment ?? null
 	})
 
 	// Derived conditions
@@ -106,8 +113,10 @@
 	const hasWeaponKeys = $derived(seriesHasWeaponKeys(series))
 	const keySlotCount = $derived(seriesSlug ? (WEAPON_KEY_SLOTS[seriesSlug] ?? 2) : 0)
 
-	const hasAxSkills = $derived(weaponData?.ax === true)
-	const axType = $derived(weaponData?.axType ?? 1)
+	// Augment type from series determines AX skills vs befoulment
+	const augmentType = $derived(series?.augmentType ?? 'none')
+	const hasAxSkills = $derived(augmentType === 'ax')
+	const hasBefoulment = $derived(augmentType === 'befoulment')
 	const hasAwakening = $derived((weaponData?.maxAwakeningLevel ?? 0) > 0)
 	const availableAwakenings = $derived(weaponData?.awakenings ?? [])
 
@@ -195,6 +204,15 @@
 			}
 		}
 
+		// Befoulment
+		if (hasBefoulment) {
+			if (befoulment?.modifier?.id) {
+				updates.befoulmentModifierId = befoulment.modifier.id
+				updates.befoulmentStrength = befoulment.strength
+				updates.exorcismLevel = befoulment.exorcismLevel
+			}
+		}
+
 		onSave?.(updates)
 	}
 </script>
@@ -267,7 +285,6 @@
 			<DetailsSection title="AX Skills">
 				<div class="section-content">
 					<AxSkillSelect
-						{axType}
 						currentSkills={axSkills}
 						onChange={(skills) => {
 							axSkills = skills
@@ -277,6 +294,19 @@
 			</DetailsSection>
 		{/if}
 
+		{#if hasBefoulment}
+			<DetailsSection title="Befoulment">
+				<div class="section-content">
+					<BefoulmentSelect
+						currentBefoulment={befoulment}
+						onChange={(bef) => {
+							befoulment = bef
+						}}
+					/>
+				</div>
+			</DetailsSection>
+		{/if}
+
 		{#if hasAwakening && availableAwakenings.length > 0}
 			<DetailsSection title="Awakening">
 				<div class="section-content">

src/lib/components/sidebar/EditWeaponSidebar.svelte

@@ -2,13 +2,14 @@
 	import type { GridWeapon } from '$lib/types/api/party'
 	import type { WeaponKey } from '$lib/api/adapters/entity.adapter'
 	import type { Awakening } from '$lib/types/api/entities'
-	import type { AugmentSkill } from '$lib/types/api/weaponStatModifier'
+	import type { AugmentSkill, Befoulment } from '$lib/types/api/weaponStatModifier'
 	import DetailsSection from './details/DetailsSection.svelte'
 	import ItemHeader from './details/ItemHeader.svelte'
 	import Select from '$lib/components/ui/Select.svelte'
 	import WeaponKeySelect from './edit/WeaponKeySelect.svelte'
 	import AwakeningSelect from './edit/AwakeningSelect.svelte'
 	import AxSkillSelect from './edit/AxSkillSelect.svelte'
+	import BefoulmentSelect from './edit/BefoulmentSelect.svelte'
 	import Button from '$lib/components/ui/Button.svelte'
 	import Icon from '$lib/components/Icon.svelte'
 	import { getElementIcon } from '$lib/utils/images'
@@ -55,6 +56,9 @@
 	// AX skill state - initialize from existing AX skills
 	let axSkills = $state<AugmentSkill[]>(weapon.ax ?? [])
 
+	// Befoulment state - initialize from existing befoulment
+	let befoulment = $state<Befoulment | null>(weapon.befoulment ?? null)
+
 	// Weapon data shortcuts
 	const weaponData = $derived(weapon.weapon)
 	const canChangeElement = $derived(weaponData?.element === 0)
@@ -77,8 +81,10 @@
 	const hasWeaponKeys = $derived(seriesHasWeaponKeys(series))
 	const keySlotCount = $derived(seriesSlug ? (WEAPON_KEY_SLOTS[seriesSlug] ?? 2) : 0)
 
-	const hasAxSkills = $derived(weaponData?.ax === true)
-	const axType = $derived(weaponData?.axType ?? 1)
+	// Augment type from series determines AX skills vs befoulment
+	const augmentType = $derived(series?.augmentType ?? 'none')
+	const hasAxSkills = $derived(augmentType === 'ax')
+	const hasBefoulment = $derived(augmentType === 'befoulment')
 	const hasAwakening = $derived((weaponData?.maxAwakeningLevel ?? 0) > 0)
 	const availableAwakenings = $derived(weaponData?.awakenings ?? [])
 
@@ -125,6 +131,9 @@
 		axStrength1?: number | null
 		axModifier2Id?: string | null
 		axStrength2?: number | null
+		befoulmentModifierId?: string | null
+		befoulmentStrength?: number | null
+		exorcismLevel?: number | null
 	}
 
 	function handleSave() {
@@ -188,6 +197,21 @@
 			}
 		}
 
+		// Befoulment - send modifier ID, strength, and exorcism level
+		if (hasBefoulment) {
+			const originalBef = weapon.befoulment
+
+			if (befoulment?.modifier?.id !== originalBef?.modifier?.id) {
+				updates.befoulmentModifierId = befoulment?.modifier?.id ?? null
+			}
+			if (befoulment?.strength !== originalBef?.strength) {
+				updates.befoulmentStrength = befoulment?.strength ?? null
+			}
+			if (befoulment?.exorcismLevel !== originalBef?.exorcismLevel) {
+				updates.exorcismLevel = befoulment?.exorcismLevel ?? null
+			}
+		}
+
 		// Only call onSave if there are actual updates
 		if (Object.keys(updates).length > 0) {
 			onSave?.(updates as Partial<GridWeapon>)
@@ -206,6 +230,7 @@
 		selectedAwakening = weapon.awakening?.type
 		awakeningLevel = weapon.awakening?.level ?? 1
 		axSkills = weapon.ax ?? []
+		befoulment = weapon.befoulment ?? null
 		onCancel?.()
 	}
 </script>
@@ -286,7 +311,6 @@
 			<DetailsSection title="AX Skills">
 				<div class="ax-skills-wrapper">
 					<AxSkillSelect
-						{axType}
 						currentSkills={axSkills}
 						onChange={(skills) => {
 							axSkills = skills
@@ -296,6 +320,19 @@
 			</DetailsSection>
 		{/if}
 
+		{#if hasBefoulment}
+			<DetailsSection title="Befoulment">
+				<div class="befoulment-wrapper">
+					<BefoulmentSelect
+						currentBefoulment={befoulment}
+						onChange={(bef) => {
+							befoulment = bef
+						}}
+					/>
+				</div>
+			</DetailsSection>
+		{/if}
+
 		{#if hasAwakening && availableAwakenings.length > 0}
 			<DetailsSection title="Awakening">
 				<div class="awakening-select-wrapper">
@@ -428,7 +465,8 @@
 		padding: spacing.$unit;
 	}
 
-	.ax-skills-wrapper {
+	.ax-skills-wrapper,
+	.befoulment-wrapper {
 		padding: spacing.$unit;
 	}
 

src/lib/components/sidebar/details/TeamView.svelte

@@ -105,17 +105,32 @@
 			</DetailsSection>
 		{/if}
 
-		{#if modificationStatus.hasAxSkills && weapon.ax}
+		{#if modificationStatus.hasAxSkills && weapon.ax?.length}
 			<DetailsSection title="AX Skills">
 				{#each weapon.ax as axSkill}
-					<DetailRow
-						label={formatAxSkill(axSkill).split('+')[0]?.trim() ?? ''}
-						value={`+${axSkill.strength}${axSkill.modifier <= 2 ? '' : '%'}`}
-					/>
+					{#if axSkill.modifier?.id}
+						<DetailRow
+							label={axSkill.modifier.nameEn}
+							value={`+${axSkill.strength}${axSkill.modifier.suffix ?? ''}`}
+						/>
+					{/if}
 				{/each}
 			</DetailsSection>
 		{/if}
 
+		{#if modificationStatus.hasBefoulment && weapon.befoulment?.modifier}
+			<DetailsSection title="Befoulment">
+				<DetailRow
+					label={weapon.befoulment.modifier.nameEn}
+					value={`${weapon.befoulment.strength}${weapon.befoulment.modifier.suffix ?? ''}`}
+				/>
+				<DetailRow
+					label="Exorcism Level"
+					value={`${weapon.befoulment.exorcismLevel ?? 0}`}
+				/>
+			</DetailsSection>
+		{/if}
+
 		{#if modificationStatus.hasElement && weapon.element}
 			<DetailsSection title="Element Override">
 				<DetailRow label="Weapon Element">

src/lib/utils/modificationDetector.ts

@@ -6,6 +6,7 @@ export interface ModificationStatus {
 	hasAwakening: boolean
 	hasWeaponKeys: boolean
 	hasAxSkills: boolean
+	hasBefoulment: boolean
 	hasRings: boolean
 	hasEarring: boolean
 	hasPerpetuity: boolean
@@ -25,6 +26,7 @@ export function detectModifications(
 		hasAwakening: false,
 		hasWeaponKeys: false,
 		hasAxSkills: false,
+		hasBefoulment: false,
 		hasRings: false,
 		hasEarring: false,
 		hasPerpetuity: false,
@@ -60,6 +62,7 @@ export function detectModifications(
 		status.hasAwakening = !!weapon.awakening
 		status.hasWeaponKeys = !!(weapon.weaponKeys && weapon.weaponKeys.length > 0)
 		status.hasAxSkills = !!(weapon.ax && weapon.ax.length > 0)
+		status.hasBefoulment = !!weapon.befoulment?.modifier
 		status.hasTranscendence = !!(weapon.transcendenceStep && weapon.transcendenceStep > 0)
 		status.hasUncapLevel = weapon.uncapLevel !== undefined && weapon.uncapLevel !== null
 		status.hasElement = !!(weapon.element && weapon.weapon?.element === 0)
@@ -68,6 +71,7 @@ export function detectModifications(
 			status.hasAwakening ||
 			status.hasWeaponKeys ||
 			status.hasAxSkills ||
+			status.hasBefoulment ||
 			status.hasTranscendence ||
 			status.hasUncapLevel ||
 			status.hasElement
@@ -111,13 +115,14 @@ export function canWeaponBeModified(gridWeapon: GridWeapon | undefined): boolean
 	// Weapon keys (series-specific) - use utility function that handles both formats
 	const hasWeaponKeys = seriesHasWeaponKeys(weapon.series)
 
-	// AX skills
-	const hasAxSkills = weapon.ax === true
+	// AX skills or Befoulment - check augmentType from series
+	const augmentType = weapon.series?.augmentType ?? 'none'
+	const hasAugments = augmentType !== 'none'
 
 	// Awakening (maxAwakeningLevel > 0 means it can have awakening)
 	const hasAwakening = (weapon.maxAwakeningLevel ?? 0) > 0
 
-	return canChangeElement || hasWeaponKeys || hasAxSkills || hasAwakening
+	return canChangeElement || hasWeaponKeys || hasAugments || hasAwakening
 }
 
 /**

src/stories/mocks/weapons.ts

@@ -8,7 +8,7 @@ const mockOmegaSeries = {
 	name: { en: 'Omega', ja: 'マグナ' },
 	hasWeaponKeys: false,
 	hasAwakening: true,
-	hasAxSkills: true,
+	augmentType: 'ax' as const,
 	extra: false,
 	elementChangeable: false
 };
@@ -19,7 +19,7 @@ const mockOpusSeries = {
 	name: { en: 'Opus', ja: 'オプス' },
 	hasWeaponKeys: true,
 	hasAwakening: true,
-	hasAxSkills: false,
+	augmentType: 'none' as const,
 	extra: false,
 	elementChangeable: false
 };
@@ -30,7 +30,7 @@ const mockDraconicSeries = {
 	name: { en: 'Draconic', ja: 'ドラゴニック' },
 	hasWeaponKeys: true,
 	hasAwakening: false,
-	hasAxSkills: false,
+	augmentType: 'none' as const,
 	extra: false,
 	elementChangeable: false
 };