chore(docs): add documentation for exp CLI commands (#20019)

Updates task documentation with experimental CLI.
~Generated by Claude using `--help` output.~

Should be merged alongside https://github.com/coder/coder/pull/20020

docs/ai-coder/tasks.md

@@ -63,7 +63,7 @@ data "coder_parameter" "setup_script" {
 
 # The Claude Code module does the automatic task reporting
 # Other agent modules: https://registry.coder.com/modules?search=agent
-# Or use a custom agent:  
+# Or use a custom agent:
 module "claude-code" {
   source   = "registry.coder.com/coder/claude-code/coder"
   version  = "3.0.1"
@@ -128,6 +128,10 @@ Coder can automatically generate a name your tasks if you set the `ANTHROPIC_API
 
 If you tried Tasks and decided you don't want to use it, you can hide the Tasks tab by starting `coder server` with the `CODER_HIDE_AI_TASKS=true` environment variable or the `--hide-ai-tasks` flag.
 
+## Command Line Interface
+
+See [Tasks CLI](./cli.md).
+
 ## Next Steps
 
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