Fix dead links after blog rename

- Update links in demo-launch.md and index.md to use new URL
- Remove linkedin-jan-2026.md (moved to social-posts folder)

Author: kashifpk

blog/demo-launch.md

@@ -36,7 +36,7 @@ Have an MCP server? Connect it directly:
 3. Enter the URL (and API key if required)
 4. Your tools appear alongside the built-in ones
 
-Custom servers work for the current session only. See [What's New](/blog/whats-new-jan-2026) for details.
+Custom servers work for the current session only. See [BYOK and Custom MCP Servers](/blog/byok-and-custom-mcp-servers) for details.
 
 ## What You're Running
 

blog/index.md

@@ -13,7 +13,7 @@ Try Agentic Forge at agentic-forge.compulife.com.pk—a working AI agent with to
 
 ---
 
-### [BYOK and Custom MCP Servers in Agentic Forge](/blog/whats-new-jan-2026)
+### [BYOK and Custom MCP Servers in Agentic Forge](/blog/byok-and-custom-mcp-servers)
 *January 2026*
 
 Use your own API keys (BYOK) and connect custom MCP servers directly from the UI. Plus, TOON optimization now works with all tools automatically.