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/primitives/src/v9/mod.rs

@@ -169,7 +169,7 @@ impl From<u32> for ChunkIndex {
 	}
 }
 
-// We should really get https://github.com/pezkuwichain/kurdistan-sdk/issues/133 going ..
+// We should really get https://github.com/pezkuwichain/pezkuwi-sdk/issues/133 going ..
 impl From<u32> for ValidatorIndex {
 	fn from(n: u32) -> Self {
 		ValidatorIndex(n)
@@ -838,7 +838,7 @@ impl<N: Saturating + BaseArithmetic + Copy> GroupRotationInfo<N> {
 pub struct ScheduledCore {
 	/// The ID of a para scheduled.
 	pub para_id: Id,
-	/// DEPRECATED: see: <https://github.com/pezkuwichain/kurdistan-sdk/issues/171>
+	/// DEPRECATED: see: <https://github.com/pezkuwichain/pezkuwi-sdk/issues/171>
 	///
 	/// Will be removed in a future version.
 	pub collator: Option<CollatorId>,
@@ -1536,7 +1536,7 @@ pub fn effective_minimum_backing_votes(
 /// Information about validator sets of a session.
 ///
 /// NOTE: `SessionInfo` is frozen. Do not include new fields, consider creating a separate runtime
-/// API. Reasoning and further outlook [here](https://github.com/pezkuwichain/kurdistan-sdk/issues/167).
+/// API. Reasoning and further outlook [here](https://github.com/pezkuwichain/pezkuwi-sdk/issues/167).
 #[derive(Clone, Encode, Decode, RuntimeDebug, TypeInfo)]
 #[cfg_attr(feature = "std", derive(PartialEq))]
 pub struct SessionInfo {