diff --git a/src/lib/admin/api.ts b/src/lib/admin/api.ts
index f383779..eb7b2af 100644
--- a/src/lib/admin/api.ts
+++ b/src/lib/admin/api.ts
@@ -58,7 +58,7 @@ export async function request<TResponse = unknown, TBody = unknown>(
   const res = await fetch(url, {
     method,
     headers: mergedHeaders,
-    body: body ? (isFormData ? (body as any) : JSON.stringify(body)) : undefined,
+    body: body ? (isFormData ? (body as FormData) : JSON.stringify(body)) : undefined,
     signal,
     credentials: 'same-origin'
   })
diff --git a/src/lib/admin/autoSave.svelte.ts b/src/lib/admin/autoSave.svelte.ts
index 3b2dde4..6e5bf3c 100644
--- a/src/lib/admin/autoSave.svelte.ts
+++ b/src/lib/admin/autoSave.svelte.ts
@@ -95,7 +95,7 @@ export function createAutoSaveStore<TPayload, TResponse = unknown>(
       lastSentHash = hash
       setStatus('saved')
       if (opts.onSaved) opts.onSaved(res, { prime })
-    } catch (e: any) {
+    } catch (e: unknown) {
       if (e?.name === 'AbortError') {
         // Newer save superseded this one
         return
diff --git a/src/lib/admin/autoSave.ts b/src/lib/admin/autoSave.ts
index fe917eb..6d69144 100644
--- a/src/lib/admin/autoSave.ts
+++ b/src/lib/admin/autoSave.ts
@@ -82,7 +82,7 @@ export function createAutoSaveController<TPayload, TResponse = unknown>(
       lastSentHash = hash
       setStatus('saved')
       if (opts.onSaved) opts.onSaved(res, { prime })
-    } catch (e: any) {
+    } catch (e: unknown) {
       if (e?.name === 'AbortError') {
         // Newer save superseded this one
         return
diff --git a/src/lib/admin/autoSaveLifecycle.ts b/src/lib/admin/autoSaveLifecycle.ts
index 710ae39..6a3f8aa 100644
--- a/src/lib/admin/autoSaveLifecycle.ts
+++ b/src/lib/admin/autoSaveLifecycle.ts
@@ -10,7 +10,7 @@ interface AutoSaveLifecycleOptions {
 }
 
 export function initAutoSaveLifecycle(
-  controller: AutoSaveController | AutoSaveStore<any, any>,
+  controller: AutoSaveController | AutoSaveStore<unknown, unknown>,
   options: AutoSaveLifecycleOptions = {}
 ) {
   const { isReady = () => true, onFlushError, enableShortcut = true } = options
diff --git a/src/lib/server/api-utils.ts b/src/lib/server/api-utils.ts
index f3bdbdb..50036e4 100644
--- a/src/lib/server/api-utils.ts
+++ b/src/lib/server/api-utils.ts
@@ -2,7 +2,7 @@ import type { RequestEvent } from '@sveltejs/kit'
 import { getSessionUser } from '$lib/server/admin/session'
 
 // Response helpers
-export function jsonResponse(data: any, status = 200): Response {
+export function jsonResponse(data: unknown, status = 200): Response {
 	return new Response(JSON.stringify(data), {
 		status,
 		headers: { 'Content-Type': 'application/json' }
@@ -43,7 +43,7 @@ export function getPaginationMeta(total: number, page: number, limit: number) {
 export const VALID_STATUSES = ['draft', 'published'] as const
 export type Status = (typeof VALID_STATUSES)[number]
 
-export function isValidStatus(status: any): status is Status {
+export function isValidStatus(status: unknown): status is Status {
 	return VALID_STATUSES.includes(status)
 }
 
@@ -51,7 +51,7 @@ export function isValidStatus(status: any): status is Status {
 export const VALID_POST_TYPES = ['post', 'essay'] as const
 export type PostType = (typeof VALID_POST_TYPES)[number]
 
-export function isValidPostType(type: any): type is PostType {
+export function isValidPostType(type: unknown): type is PostType {
 	return VALID_POST_TYPES.includes(type)
 }
 
diff --git a/src/lib/stores/project-form.svelte.ts b/src/lib/stores/project-form.svelte.ts
index 9fe8505..7cf4c65 100644
--- a/src/lib/stores/project-form.svelte.ts
+++ b/src/lib/stores/project-form.svelte.ts
@@ -54,7 +54,7 @@ export function createProjectFormStore(initialProject?: Project | null) {
 		isDirty,
 
 		// Methods for controlled mutation
-		setField(key: keyof ProjectFormData, value: any) {
+		setField(key: keyof ProjectFormData, value: unknown) {
 			fields[key] = value
 		},
 
diff --git a/src/lib/stores/toast.ts b/src/lib/stores/toast.ts
index 744374a..65dea0d 100644
--- a/src/lib/stores/toast.ts
+++ b/src/lib/stores/toast.ts
@@ -67,7 +67,7 @@ export const toast = {
 		messages: {
 			loading: string
 			success: string | ((data: T) => string)
-			error: string | ((error: any) => string)
+			error: string | ((error: unknown) => string)
 		},
 		options?: ToastOptions
 	) => {
@@ -82,7 +82,7 @@ export const toast = {
 	},
 
 	// Custom toast with full control
-	custom: (component: any, options?: ToastOptions) => {
+	custom: (component: unknown, options?: ToastOptions) => {
 		return sonnerToast.custom(component, {
 			...defaultOptions,
 			...options