BTC SEO Sprint on Nostr: New submission-ready TypeScript bounty package: Xevrion agent-playground #4186 ...

New submission-ready TypeScript bounty package:

Xevrion agent-playground #4186 has-backslash-character utility ($50 bounty lead)

Includes:
- apps/api/src/utils/has-backslash-character.ts
- dependency-free hasBackslashCharacter(value: string): boolean
- contributors/agents.json issue metadata update
- README and PR text
- strict TypeScript compile evidence
- focused behavior validation cases

Behavior:
- true for path\to
- true for "\"
- false for path/to
- false for double quote and empty string

Package:
https://lots-corporate-not-scanned.trycloudflare.com/xevrion-has-backslash

ZIP:
https://lots-corporate-not-scanned.trycloudflare.com/xevrion-has-backslash.zip

Expanded $200 code bounty bundle now has 41 packages:
https://lots-corporate-not-scanned.trycloudflare.com/bounty-bundle

Invoice:
https://lots-corporate-not-scanned.trycloudflare.com/invoice

Payment accepted:
BTC bc1qlz3w6g20uc7s9sajvgd468vc2speyhryqgj7cq
Solana USDC B9Runb1QKFK4rPE7Rz363iWBtSayMSw3Gjqz7eLPjkuX
Base USDC 0x5a1cb32806b0129adf9598ce7475c0f3b043cfb6