diff --git a/app/(dashboard)/calendar/calendar-client.tsx b/app/(dashboard)/calendar/calendar-client.tsx
index 36a1005..8e17fab 100644
--- a/app/(dashboard)/calendar/calendar-client.tsx
+++ b/app/(dashboard)/calendar/calendar-client.tsx
@@ -56,14 +56,6 @@ export type CalendarEventItem = {
   translations?: Record<string, Record<string, string>>;
 };
 
-const typeLabels = {
-  meeting: "Toplantı",
-  focus: "Odak",
-  deadline: "Deadline",
-  personal: "Kişisel",
-  finance: "Finans",
-};
-
 const typeClasses = {
   meeting: "border-blue-200 bg-blue-50 text-blue-700",
   focus: "border-emerald-200 bg-emerald-50 text-emerald-700",
@@ -251,7 +243,7 @@ function EventList({
                 </div>
               ) : null}
             </div>
-            <Badge className={typeClasses[event.type]}>{t(`calendar.types.${event.type}` as any)}</Badge>
+            <Badge className={typeClasses[event.type]}>{t(`calendar.types.${event.type}`)}</Badge>
           </div>
           {!compact ? (
             <div className="mt-3 flex gap-2">
diff --git a/app/(dashboard)/clients/clients-client.tsx b/app/(dashboard)/clients/clients-client.tsx
index 6c9089c..2713280 100644
--- a/app/(dashboard)/clients/clients-client.tsx
+++ b/app/(dashboard)/clients/clients-client.tsx
@@ -217,7 +217,7 @@ export function ClientsClient({
               return (
                 <DroppableColumn 
                   key={stage.id} 
-                  title={t(`clients.pipeline.${stage.id}` as any)} 
+                  title={t(`clients.pipeline.${stage.id}`)} 
                   count={stageClients.length} 
                   color={stage.color.split(' ')[1]}
                   onDrop={() => handleDrop(stage.id)}
@@ -383,7 +383,7 @@ function ClientRow({ client, activeLocales }: { client: ClientListItem, activeLo
 
       <div>
         <Badge className={stage.color}>
-          {t(`clients.pipeline.${stage.id}` as any)}
+          {t(`clients.pipeline.${stage.id}`)}
         </Badge>
       </div>
 
@@ -528,7 +528,7 @@ function ClientFormFields({ client, activeLocales }: { client?: ClientListItem,
             </SelectTrigger>
             <SelectContent>
               {pipelineStages.map(stage => (
-                <SelectItem key={stage.id} value={stage.id}>{t(`clients.pipeline.${stage.id}` as any)}</SelectItem>
+                <SelectItem key={stage.id} value={stage.id}>{t(`clients.pipeline.${stage.id}`)}</SelectItem>
               ))}
             </SelectContent>
           </Select>
diff --git a/app/(dashboard)/projects/projects-client.tsx b/app/(dashboard)/projects/projects-client.tsx
index 0cf1d39..5401856 100644
--- a/app/(dashboard)/projects/projects-client.tsx
+++ b/app/(dashboard)/projects/projects-client.tsx
@@ -73,12 +73,14 @@ export type ProjectListItem = {
   translations?: LocalizedFieldValues;
 };
 
-const typeLabels = (t: any) => ({
+type Translate = ReturnType<typeof useTranslations>;
+
+const typeLabels = (t: Translate) => ({
   client_project: t("projects.types.client"),
   side_project: t("projects.types.side"),
 });
 
-const statusLabels = (t: any) => ({
+const statusLabels = (t: Translate) => ({
   planning: t("projects.status.planning"),
   active: t("projects.status.active"),
   paused: t("projects.status.paused"),
@@ -605,7 +607,11 @@ function ProjectFormFields({
         idPrefix={`project-${project?.id || "new"}`}
         defaultLocale={localization.defaultLocale}
         locales={localization.locales}
-        fields={contentTranslationRegistry.project.map((f: any) => ({ ...f, label: (t as any)(`projects.fields.${f.name}`) || f.label, placeholder: f.placeholder ? (t as any)(`projects.placeholders.${f.name}`) || f.placeholder : undefined }))}
+        fields={contentTranslationRegistry.project.map((f) => ({
+          ...f,
+          label: t(`projects.fields.${f.name}`) || f.label,
+          placeholder: f.placeholder ? t(`projects.placeholders.${f.name}`) || f.placeholder : undefined,
+        }))}
         values={project?.translations}
         fallbackValues={{
           name: project?.name,
diff --git a/app/(dashboard)/settings/languages/[locale]/translations/translation-editor.tsx b/app/(dashboard)/settings/languages/[locale]/translations/translation-editor.tsx
index 7e5009c..38ed484 100644
--- a/app/(dashboard)/settings/languages/[locale]/translations/translation-editor.tsx
+++ b/app/(dashboard)/settings/languages/[locale]/translations/translation-editor.tsx
@@ -120,7 +120,7 @@ export function TranslationEditor({
           </div>
           
           <div className="flex items-center gap-3">
-            <Select value={filter} onValueChange={(v: any) => setFilter(v)}>
+            <Select value={filter} onValueChange={(value) => setFilter(value as typeof filter)}>
               <SelectTrigger className="w-[140px]">
                 <SelectValue />
               </SelectTrigger>
diff --git a/app/(dashboard)/settings/languages/import-export/actions.ts b/app/(dashboard)/settings/languages/import-export/actions.ts
index 2e8eb13..02dc8fc 100644
--- a/app/(dashboard)/settings/languages/import-export/actions.ts
+++ b/app/(dashboard)/settings/languages/import-export/actions.ts
@@ -21,8 +21,8 @@ export async function importTranslationsAction(content: string) {
     service.importPackage(actor, data);
     revalidatePath("/settings/languages");
     return { success: true };
-  } catch (error: any) {
+  } catch (error) {
     console.error("Import error:", error);
-    return { errorKey: "common.error.description", details: error.message };
+    return { errorKey: "common.error.description", details: error instanceof Error ? error.message : String(error) };
   }
 }
diff --git a/app/(dashboard)/tasks/tasks-client.tsx b/app/(dashboard)/tasks/tasks-client.tsx
index ba3c189..0a195c3 100644
--- a/app/(dashboard)/tasks/tasks-client.tsx
+++ b/app/(dashboard)/tasks/tasks-client.tsx
@@ -60,19 +60,6 @@ export type TaskListItem = {
   translations?: LocalizedFieldValues;
 };
 
-const statusLabels = {
-  todo: "Yapılacak",
-  in_progress: "Devam ediyor",
-  done: "Tamamlandı",
-};
-
-const priorityLabels = {
-  low: "Düşük",
-  medium: "Orta",
-  high: "Yüksek",
-  urgent: "Acil",
-};
-
 const priorityClasses = {
   low: "border-zinc-200 bg-zinc-50 text-zinc-700",
   medium: "border-blue-200 bg-blue-50 text-blue-700",
@@ -687,7 +674,11 @@ function TaskFormFields({
         idPrefix={`task-${task?.id || "new"}`}
         defaultLocale={localization.defaultLocale}
         locales={localization.locales}
-        fields={contentTranslationRegistry.task.map((f: any) => ({ ...f, label: (t as any)(`tasks.fields.${f.name}`) || f.label, placeholder: f.placeholder ? (t as any)(`tasks.placeholders.${f.name}`) || f.placeholder : undefined }))}
+        fields={contentTranslationRegistry.task.map((f) => ({
+          ...f,
+          label: t(`tasks.fields.${f.name}`) || f.label,
+          placeholder: f.placeholder ? t(`tasks.placeholders.${f.name}`) || f.placeholder : undefined,
+        }))}
         values={task?.translations}
         fallbackValues={{
           title: task?.title,
diff --git a/scripts/i18n-v2-auth-pages-smoke.ts b/scripts/i18n-v2-auth-pages-smoke.ts
index ac9d4aa..392d80d 100644
--- a/scripts/i18n-v2-auth-pages-smoke.ts
+++ b/scripts/i18n-v2-auth-pages-smoke.ts
@@ -1,7 +1,7 @@
 import assert from "node:assert/strict";
 import { readFileSync } from "fs";
 import { join } from "path";
-import { compareCatalogKeys, I18N_NAMESPACES } from "../lib/i18n";
+import { compareCatalogKeys } from "../lib/i18n";
 import { trCatalog } from "../locales/tr";
 import { enCatalog } from "../locales/en";
 
@@ -24,7 +24,7 @@ for (const page of authPages) {
   assert.equal(content.includes("resolvePublicLocale"), true, `${page} missing resolvePublicLocale`);
 }
 
-const result = compareCatalogKeys(trCatalog as any, enCatalog as any, ["auth"]);
+const result = compareCatalogKeys(trCatalog, enCatalog, ["auth"]);
 
 const authMissingInEn = result.missingInRight.filter((k: string) => k.startsWith("auth."));
 const authMissingInTr = result.missingInLeft.filter((k: string) => k.startsWith("auth."));
diff --git a/server/domain/validation.ts b/server/domain/validation.ts
index 1184a3a..8c1daab 100644
--- a/server/domain/validation.ts
+++ b/server/domain/validation.ts
@@ -219,6 +219,7 @@ export const revisionCreateSchema = z.object({
   id: resourceIdSchema.optional(),
   projectId: resourceIdSchema,
   description: z.string().trim().min(1).max(20_000),
+  sourceLocale: z.string().trim().min(2).max(12).nullable().optional(),
 });
 export const revisionStatusSchema = z.enum(revisionStatuses);
 
diff --git a/server/services/domain.ts b/server/services/domain.ts
index 5c993ee..e385709 100644
--- a/server/services/domain.ts
+++ b/server/services/domain.ts
@@ -433,6 +433,7 @@ export class DomainService {
         clientId: scope.clientId,
         requestedByUserId: scope.authUserId,
         description: value.description,
+        sourceLocale: value.sourceLocale,
       }).returning().get();
     }, { behavior: "immediate" });
   }