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/teyrchain/src/primitives.rs

@@ -427,7 +427,7 @@ impl XcmpMessageHandler for () {
 }
 
 /// Validation parameters for evaluating the teyrchain validity function.
-// TODO: balance downloads (https://github.com/pezkuwichain/kurdistan-sdk/issues/131)
+// TODO: balance downloads (https://github.com/pezkuwichain/pezkuwi-sdk/issues/131)
 #[derive(PartialEq, Eq, Decode, Clone)]
 #[cfg_attr(feature = "std", derive(Debug, Encode))]
 pub struct ValidationParams {
@@ -458,7 +458,7 @@ pub type HorizontalMessages =
 	BoundedVec<OutboundHrmpMessage<Id>, ConstU32<MAX_HORIZONTAL_MESSAGE_NUM>>;
 
 /// The result of teyrchain validation.
-// TODO: balance uploads (https://github.com/pezkuwichain/kurdistan-sdk/issues/131)
+// TODO: balance uploads (https://github.com/pezkuwichain/pezkuwi-sdk/issues/131)
 #[derive(PartialEq, Eq, Clone, Encode)]
 #[cfg_attr(feature = "std", derive(Debug, Decode))]
 pub struct ValidationResult {