Add ctok - Claude token estimator extension

[KP-MobileTechie]

Summary

Adds the ctok extension - a Claude token estimator for Zed.

• Estimates token count and cost for any text or current file
• Refines prompts to reduce tokens while preserving intent
• Scans a project directory and reports token usage by file

Extension details

• ID: ctok
• Version: 0.1.0
• Repository: https://github.com/ctok-cli/ctok-zed
• License: MIT

Slash commands provided

Command	Description
/ctok-check	Estimate token count and cost
/ctok-refine	Refine a prompt to reduce tokens
/ctok-scan	Scan project directory for token usage

Checklist

• Extension has a valid extension.toml at the repo root
• Extension compiles against zed_extension_api = "0.2"
• Repository is public
• Submodule added to extensions/ctok

[cla-bot]

We require contributors to sign our Contributor License Agreement, and we don't have @KP-MobileTechie on file. You can sign our CLA at https://zed.dev/cla. Once you've signed, post a comment here that says '@cla-bot check'.

[cla-bot]

We require contributors to sign our Contributor License Agreement, and we don't have @KP-MobileTechie on file. You can sign our CLA at https://zed.dev/cla. Once you've signed, post a comment here that says '@cla-bot check'.

[cla-bot]

We require contributors to sign our Contributor License Agreement, and we don't have @KP-MobileTechie on file. You can sign our CLA at https://zed.dev/cla. Once you've signed, post a comment here that says '@cla-bot check'.

[KP-MobileTechie]

Hi, I'm unable to sign the CLA at zed.dev/cla - my account is blocked from signing up (Cloudflare error: 'This account is blocked from signing up'). I've emailed billing-support@zed.dev to get it resolved. Could a maintainer manually approve the CLA for GitHub user KP-MobileTechie? Thanks.