Development (#172)

* docs: Add CLAUDE_RULES.md with strict rebrand protection rules

- Define immutable rebrand rules that cannot be violated
- Prohibit reverting rebrand for cargo check convenience
- Establish checkpoint and audit trail requirements
- Document correct error handling approach

* refactor: Complete kurdistan-sdk to pezkuwi-sdk rebrand

- Update README.md with pezkuwi-sdk branding
- Replace all kurdistan-sdk URL references with pezkuwi-sdk
- Replace kurdistan-tech with pezkuwichain in workflows
- Update email domains from @kurdistan-tech.io to @pezkuwichain.io
- Rename tool references: kurdistan-tech-publish → pezkuwi-publish
- Update runner names: kurdistan-tech-* → pezkuwichain-*
- Update analytics/forum/matrix domains to pezkuwichain.io
- Keep 'Kurdistan Tech Institute' as organization name
- Keep tech@kurdistan.gov as official government contact

pezcumulus/client/relay-chain-rpc-interface/src/rpc_client.rs

@@ -784,7 +784,7 @@ pub fn distribute_header(header: RelayHeader, senders: &mut Vec<Sender<RelayHead
 					Err(error) if error.is_disconnected() => false,
 					// Channel is full. This should not happen.
 					// TODO: Improve error handling here
-					// https://github.com/pezkuwichain/kurdistan-sdk/issues/90
+					// https://github.com/pezkuwichain/pezkuwi-sdk/issues/90
 					Err(error) => {
 						tracing::error!(target: LOG_TARGET, ?error, "Event distribution channel has reached its limit. This can lead to missed notifications.");
 						true