feat: rename Loki to Coyote

CREDITS.md

@@ -1,19 +1,19 @@
 # Credits
 
 ## AIChat
-Loki originally started as a fork of the fantastic
+Coyote originally started as a fork of the fantastic
 [AIChat CLI](https://github.com/sigoden/aichat). The initial goal was simply
 to fix a bug in how MCP servers worked with AIChat, allowing different MCP
-servers to be specified per agent. Since then, Loki has evolved far beyond
+servers to be specified per agent. Since then, Coyote has evolved far beyond
 its original scope and grown into a passion project with a life of its own.
 
-Today, Loki includes first-class MCP server support (for both local and remote
+Today, Coyote includes first-class MCP server support (for both local and remote
 servers), a built-in vault for interpolating secrets in configuration files,
 built-in agents and macros, dynamic tab completions, integrated custom
 functions (no external `argc` dependency), improved documentation, and much
 more with many more ideas planned for the future.
 
-Loki is now developed and maintained as an independent project. Full credit
+Coyote is now developed and maintained as an independent project. Full credit
 for the original foundation goes to the developers of the wonderful
 AIChat project.
 
@@ -21,10 +21,10 @@ This project is not affiliated with or endorsed by the AIChat maintainers.
 
 ## AIChat
 
-Loki originally began as a fork of [AIChat CLI](https://github.com/sigoden/aichat),
+Coyote originally began as a fork of [AIChat CLI](https://github.com/sigoden/aichat),
 created and maintained by the AIChat contributors.
 
-While Loki has since diverged significantly and is now developed as an
+While Coyote has since diverged significantly and is now developed as an
 independent project, its early foundation and inspiration came from the
 AIChat project.