diff --git a/package-lock.json b/package-lock.json
index da7d6cc..ec25a62 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,7 @@
         "express-rate-limit": "^8.6.2",
         "heic-convert": "^2.1.0",
         "mammoth": "^1.12.0",
+        "mkdirp": "^3.0.1",
         "multer": "^2.2.0",
         "officeparser": "^7.5.1",
         "openai": "^7.4.0",
@@ -2205,6 +2206,21 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/mkdirp": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-3.0.1.tgz",
+      "integrity": "sha512-+NsyUUAZDmo6YVHzL/stxSu3t9YS1iljliy3BSDrXJ/dkn1KYdmtZODGGjLcc9XLgVVpH4KshHB8XmZgMhaBXg==",
+      "license": "MIT",
+      "bin": {
+        "mkdirp": "dist/cjs/src/bin.js"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
diff --git a/package.json b/package.json
index 5adfcd3..1d7c59b 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "express-rate-limit": "^8.6.2",
     "heic-convert": "^2.1.0",
     "mammoth": "^1.12.0",
+    "mkdirp": "^3.0.1",
     "multer": "^2.2.0",
     "officeparser": "^7.5.1",
     "openai": "^7.4.0",
diff --git a/src/controllers/precedent.controller.ts b/src/controllers/precedent.controller.ts
index 9518a3c..5c1a7b5 100644
--- a/src/controllers/precedent.controller.ts
+++ b/src/controllers/precedent.controller.ts
@@ -1,6 +1,9 @@
 import { Request, Response } from 'express';
 import { AuthenticatedRequest } from '../middleware/auth';
 import { callOllama } from '../lib/aiClient';
+import { supabase } from '../lib/supabase';
+import fs from 'fs';
+import path from 'path';
 
 export const searchPrecedents = async (req: Request, res: Response) => {
   try {
@@ -133,3 +136,56 @@ export const getPrecedentDocument = async (req: Request, res: Response) => {
     res.status(500).json({ error: error.message || 'Internal Server Error' });
   }
 };
+
+export const cachePrecedentDocument = async (req: Request, res: Response) => {
+  try {
+    const { item, content } = req.body;
+    
+    if (!item || !item.documentId || !content) {
+      return res.status(400).json({ error: 'Eksik veri (item veya content)' });
+    }
+
+    const documentId = String(item.documentId);
+    const dir = path.join(process.cwd(), 'uploads', 'precedents');
+    
+    if (!fs.existsSync(dir)) {
+      fs.mkdirSync(dir, { recursive: true });
+    }
+
+    const filePath = path.join(dir, `${documentId}.txt`);
+    
+    // 1. Txt Olarak Kaydet (CDN / Sunucu depolama)
+    if (!fs.existsSync(filePath)) {
+      fs.writeFileSync(filePath, content, 'utf8');
+      
+      // 2. Supabase DB'ye Metadata Kaydet (Lazy Caching & Meilisearch Indexing)
+      try {
+        const { error } = await supabase
+          .from('cached_precedents')
+          .upsert({
+            document_id: documentId,
+            mahkeme: item.mahkeme || '',
+            karar_no: item.karar_no || '',
+            esas_no: item.esas_no || '',
+            tarih: item.tarih || '',
+            konu: item.konu || '',
+            ozet: item.ozet || '',
+            created_at: new Date().toISOString()
+          }, { onConflict: 'document_id' });
+          
+        if (error) {
+          console.error('[Cache] Supabase kayıt hatası:', error.message);
+        } else {
+          console.log(`[Cache] Başarıyla kaydedildi: ${documentId}`);
+        }
+      } catch (dbErr) {
+        console.error('[Cache] Supabase try-catch hatası:', dbErr);
+      }
+    }
+    
+    res.json({ success: true, message: 'Ön belleğe alındı' });
+  } catch (error: any) {
+    console.error('Cache Precedent Document Error:', error);
+    res.status(500).json({ error: error.message || 'Internal Server Error' });
+  }
+};
diff --git a/src/routes/precedent.routes.ts b/src/routes/precedent.routes.ts
index b06032f..7df6a07 100644
--- a/src/routes/precedent.routes.ts
+++ b/src/routes/precedent.routes.ts
@@ -1,11 +1,12 @@
 import { Router } from 'express';
 import { requireAuth } from '../middleware/auth';
-import { searchPrecedents, getPrecedentDocument, analyzePrecedents } from '../controllers/precedent.controller';
+import { searchPrecedents, getPrecedentDocument, analyzePrecedents, cachePrecedentDocument } from '../controllers/precedent.controller';
 
 const router = Router();
 
 router.post('/search-precedents', searchPrecedents);
 router.get('/precedent-document/:documentId', getPrecedentDocument);
 router.post('/precedent-analysis', requireAuth, analyzePrecedents);
+router.post('/cache-precedent', cachePrecedentDocument);
 
 export default router;