diff --git a/apps/server/package.json b/apps/server/package.json
index 99608cc17..d19a94ae1 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -39,6 +39,7 @@
     "@fastify/cookie": "^11.0.2",
     "@fastify/multipart": "^9.4.0",
     "@fastify/static": "^9.0.0",
+    "@keyv/redis": "^5.1.6",
     "@langchain/core": "1.1.18",
     "@langchain/textsplitters": "1.0.1",
     "@nestjs-labs/nestjs-ioredis": "^11.0.4",
diff --git a/apps/server/src/core/share/share.controller.ts b/apps/server/src/core/share/share.controller.ts
index 554926b7a..77bff96a8 100644
--- a/apps/server/src/core/share/share.controller.ts
+++ b/apps/server/src/core/share/share.controller.ts
@@ -2,6 +2,7 @@ import {
   BadRequestException,
   Body,
   Controller,
+  ForbiddenException,
   HttpCode,
   HttpStatus,
   NotFoundException,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 56d2c23b2..80ddaa861 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -447,6 +447,9 @@ importers:
       '@fastify/static':
         specifier: ^9.0.0
         version: 9.0.0
+      '@keyv/redis':
+        specifier: ^5.1.6
+        version: 5.1.6(keyv@5.6.0)
       '@langchain/core':
         specifier: 1.1.18
         version: 1.1.18(@opentelemetry/api@1.9.0)(openai@6.2.0(ws@8.19.0)(zod@4.3.5))
@@ -2802,6 +2805,12 @@ packages:
   '@jridgewell/trace-mapping@0.3.9':
     resolution: {integrity: sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==}
 
+  '@keyv/redis@5.1.6':
+    resolution: {integrity: sha512-eKvW6pspvVaU5dxigaIDZr635/Uw6urTXL3gNbY9WTR8d3QigZQT+r8gxYSEOsw4+1cCBsC4s7T2ptR0WC9LfQ==}
+    engines: {node: '>= 18'}
+    peerDependencies:
+      keyv: ^5.6.0
+
   '@keyv/serialize@1.1.1':
     resolution: {integrity: sha512-dXn3FZhPv0US+7dtJsIi2R+c7qWYiReoEh5zUntWCf4oSpMNib8FDhSoed6m3QyZdx5hK7iLFkYk3rNxwt8vTA==}
 
@@ -3752,6 +3761,10 @@ packages:
     peerDependencies:
       react: ^18.0 || ^19.0 || ^19.0.0-rc
 
+  '@redis/client@5.10.0':
+    resolution: {integrity: sha512-JXmM4XCoso6C75Mr3lhKA3eNxSzkYi3nCzxDIKY+YOszYsJjuKbFgVtguVPbLMOttN4iu2fXoc2BGhdnYhIOxA==}
+    engines: {node: '>= 18'}
+
   '@remirror/core-constants@3.0.0':
     resolution: {integrity: sha512-42aWfPrimMfDKDi4YegyS7x+/0tlzaqwPQCULLanv3DMIlu96KTJR0fM5isWX2UViOqlGnX6YFgqWepcX+XMNg==}
 
@@ -6703,15 +6716,18 @@ packages:
   glob@10.3.4:
     resolution: {integrity: sha512-6LFElP3A+i/Q8XQKEvZjkEWEOTgAIALR9AO2rwT8bgPhDd1anmqDJDZ6lLddI4ehxxxR1S5RIqKe1uapMQfYaQ==}
     engines: {node: '>=16 || 14 >=14.17'}
+    deprecated: Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me
     hasBin: true
 
   glob@10.4.5:
     resolution: {integrity: sha512-7Bv8RF0k6xjo7d4A/PxYLbUCfb6c+Vpd2/mB2yRDlew7Jb5hEXiCD9ibfO7wpk8i4sevK6DFny9h7EYbM3/sHg==}
+    deprecated: Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me
     hasBin: true
 
   glob@11.0.1:
     resolution: {integrity: sha512-zrQDm8XPnYEKawJScsnM0QzobJxlT/kHOOlRTio8IH/GrmxRE5fjllkzdaHclIuNjUQTJYH2xHNIGfdpJkDJUw==}
     engines: {node: 20 || >=22}
+    deprecated: Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me
     hasBin: true
 
   glob@13.0.1:
@@ -6720,7 +6736,7 @@ packages:
 
   glob@7.2.3:
     resolution: {integrity: sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==}
-    deprecated: Glob versions prior to v9 are no longer supported
+    deprecated: Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me
 
   globals@11.12.0:
     resolution: {integrity: sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==}
@@ -13081,6 +13097,13 @@ snapshots:
       '@jridgewell/resolve-uri': 3.1.1
       '@jridgewell/sourcemap-codec': 1.4.15
 
+  '@keyv/redis@5.1.6(keyv@5.6.0)':
+    dependencies:
+      '@redis/client': 5.10.0
+      cluster-key-slot: 1.1.2
+      hookified: 1.15.1
+      keyv: 5.6.0
+
   '@keyv/serialize@1.1.1': {}
 
   '@langchain/core@1.1.18(@opentelemetry/api@1.9.0)(openai@6.2.0(ws@8.19.0)(zod@4.3.5))':
@@ -13963,6 +13986,10 @@ snapshots:
     dependencies:
       react: 18.3.1
 
+  '@redis/client@5.10.0':
+    dependencies:
+      cluster-key-slot: 1.1.2
+
   '@remirror/core-constants@3.0.0': {}
 
   '@rolldown/pluginutils@1.0.0-beta.47': {}