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/roadmap/implementers-guide/src/runtime/session_info.md

@@ -14,7 +14,7 @@ struct SessionInfo {
     ///
     /// NOTE: There might be more authorities in the current session, than `validators` participating
     /// in teyrchain consensus. See
-    /// [`max_validators`](https://github.com/pezkuwichain/kurdistan-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148)..
+    /// [`max_validators`](https://github.com/pezkuwichain/pezkuwi-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148)..
     ///
     /// `SessionInfo::validators` will be limited to `max_validators` when set.
     validators: Vec<ValidatorId>,
@@ -23,14 +23,14 @@ struct SessionInfo {
     /// NOTE: The first `validators.len()` entries will match the corresponding validators in
     /// `validators`, afterwards any remaining authorities can be found. This is any authorities not
     /// participating in teyrchain consensus - see
-    /// [`max_validators`](https://github.com/pezkuwichain/kurdistan-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148).
+    /// [`max_validators`](https://github.com/pezkuwichain/pezkuwi-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148).
     #[cfg_attr(feature = "std", ignore_malloc_size_of = "outside type")]
     discovery_keys: Vec<AuthorityDiscoveryId>,
     /// The assignment keys for validators.
     ///
     /// NOTE: There might be more authorities in the current session, than validators participating
     /// in teyrchain consensus. See
-    /// [`max_validators`](https://github.com/pezkuwichain/kurdistan-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148)..
+    /// [`max_validators`](https://github.com/pezkuwichain/pezkuwi-sdk/blob/main/pezkuwi/runtime/teyrchains/src/configuration.rs#L148)..
     ///
     /// Therefore:
     /// ```ignore