docs: updated the coyote description to be more accurate to its true use and purpose

assets/sbx-kit/spec.yaml

@@ -9,7 +9,7 @@ kind: sandbox
 name: coyote
 displayName: Coyote
 description: >
-  An all-in-one, batteries-included LLM CLI tool featuring Shell Assistant,
+  An all-in-one, batteries-included LLM runtime featuring Shell Assistant,
   CLI & REPL mode, RAG, AI tools & agents, MCP servers, skills, and macros.
 
 sandbox:
@@ -370,4 +370,4 @@ agentInstructions:
     Useful first-run commands:
     - `coyote --info`          # show config paths and resolved settings
     - `coyote --list-secrets`  # initialise the local vault
-    - `coyote --authenticate <client>`  # OAuth flow (Claude Pro/Max, Gemini)
+    - `coyote --authenticate <client>`  # OAuth flow (Claude Pro/Max, Gemini)