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

pezkuwi/node/network/gossip-support/src/lib.rs

@@ -86,7 +86,7 @@ const TRY_RERESOLVE_AUTHORITIES: Duration = Duration::from_secs(2);
 /// populated). Authority discovery on Kusama takes around 8 minutes, so warning after 10 minutes
 /// should be fine:
 ///
-/// https://github.com/pezkuwichain/kurdistan-sdk/blob/main/bizinikiwi/client/authority-discovery/src/lib.rs#L88
+/// https://github.com/pezkuwichain/pezkuwi-sdk/blob/main/bizinikiwi/client/authority-discovery/src/lib.rs#L88
 const LOW_CONNECTIVITY_WARN_DELAY: Duration = Duration::from_secs(600);
 
 /// If connectivity is lower than this in percent, issue warning in logs.
@@ -452,7 +452,7 @@ where
 
 				// First `maxValidators` entries are the teyrchain validators. We'll check
 				// if our index is in this set to avoid searching for the keys.
-				// https://github.com/pezkuwichain/kurdistan-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148
+				// https://github.com/pezkuwichain/pezkuwi-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148
 				if *index < teyrchain_validators_this_session {
 					gum::trace!(target: LOG_TARGET, "We are now a teyrchain validator",);
 					self.metrics.on_is_teyrchain_validator();
@@ -796,7 +796,7 @@ async fn update_gossip_topology(
 	let random_seed = {
 		let (tx, rx) = oneshot::channel();
 
-		// TODO https://github.com/pezkuwichain/kurdistan-sdk/issues/156:
+		// TODO https://github.com/pezkuwichain/pezkuwi-sdk/issues/156:
 		// get the random seed from the `SessionInfo` instead.
 		sender
 			.send_message(RuntimeApiMessage::Request(