[Muhammadcodes112]

What

Workspace(s) touched

• apps/frontend
• apps/backend
• contracts/hashport-account
• repo root / tooling / docs

Checklist

• pnpm lint && pnpm typecheck && pnpm test && pnpm build pass locally
• pnpm contracts:test passes (if the contract changed)
• New env vars documented in the workspace .env.example and the root .env.example
• New chat commands covered in apps/backend/test/commands.test.ts and added to HELP_TEXT
• No secrets, tokens, or real phone numbers in code, tests, or fixtures

Closes #7