feat: add cline agent tracking (#9272)

Co-authored-by: Joe Hanley <[email protected]>

Author: taeold

src/track.ts

@@ -9,10 +9,11 @@ const pkg = require("../package.json");
 
 // Detect if the CLI was invoked by a coding agent, based on well-known env vars.
 function detectAIAgent(): string {
-  if (process.env.CODEX_SANDBOX) return "codex_cli";
   if (process.env.CLAUDECODE) return "claude_code";
-  if (process.env.GEMINI_CLI) return "gemini_cli";
+  if (process.env.CLINE_ACTIVE) return "cline";
+  if (process.env.CODEX_SANDBOX) return "codex_cli";
   if (process.env.CURSOR_AGENT) return "cursor";
+  if (process.env.GEMINI_CLI) return "gemini_cli";
   if (process.env.OPENCODE) return "open_code";
   return "unknown";
 }