chore: rename npm scope from @valknar to @valknarthing

Updated package names across the project:
- @valknar/llmx → @valknarthing/llmx
- @valknar/llmx-sdk → @valknarthing/llmx-sdk
- @valknar/llmx-responses-api-proxy → @valknarthing/llmx-responses-api-proxy

Also updated:
- GitHub repository URLs (valknar → valknarthing)
- GitHub Actions workflow scope configuration
- README installation instructions

.github/workflows/rust-release.yml

@@ -483,7 +483,7 @@ jobs:
         with:
           node-version: 22
           registry-url: "https://registry.npmjs.org"
-          scope: "@valknar"
+          scope: "@valknarthing"
 
       # Trusted publishing requires npm CLI version 11.5.1 or later.
       - name: Update npm

README.md

@@ -1,4 +1,4 @@
-<p align="center"><code>npm i -g @valknar/llmx</code><br />or <code>brew install --cask llmx</code></p>
+<p align="center"><code>npm i -g @valknarthing/llmx</code><br />or <code>brew install --cask llmx</code></p>
 
 <p align="center"><strong>LLMX CLI</strong> is a coding agent powered by LiteLLM that runs locally on your computer.
 </br>
@@ -18,7 +18,7 @@
 Install globally with your preferred package manager. If you use npm:
 
 ```shell
-npm install -g @valknar/llmx
+npm install -g @valknarthing/llmx
 ```
 
 Alternatively, if you use Homebrew:

llmx-cli/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@valknar/llmx",
+  "name": "@valknarthing/llmx",
   "version": "0.1.0",
   "license": "Apache-2.0",
   "description": "LLMX CLI - Multi-provider coding agent powered by LiteLLM",
@@ -16,7 +16,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/valknar/llmx.git",
+    "url": "git+https://github.com/valknarthing/llmx.git",
     "directory": "llmx-cli"
   }
 }

llmx-rs/responses-api-proxy/npm/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@valknar/llmx-responses-api-proxy",
+  "name": "@valknarthing/llmx-responses-api-proxy",
   "version": "0.1.0",
   "license": "Apache-2.0",
   "bin": {
@@ -15,7 +15,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/valknar/llmx.git",
+    "url": "git+https://github.com/valknarthing/llmx.git",
     "directory": "llmx-rs/responses-api-proxy/npm"
   }
 }

sdk/typescript/package.json

@@ -1,10 +1,10 @@
 {
-  "name": "@valknar/llmx-sdk",
+  "name": "@valknarthing/llmx-sdk",
   "version": "0.1.0",
   "description": "TypeScript SDK for LLMX - Multi-provider coding agent",
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/valknar/llmx.git",
+    "url": "git+https://github.com/valknarthing/llmx.git",
     "directory": "sdk/typescript"
   },
   "keywords": [