fix: resolve all broken links for check-links.yml CI

## Changes

### High Impact Fixes (RED)
- Fix radium git URL (https://https:// → github.com/paritytech/radium-0.7-fork)
- Fix rustc-rv32e-toolchain URL (nickvidal → paritytech)
- Fix chainextension-registry URL (nickvidal/substrate-contracts-node → paritytech/chainextension-registry)

### Medium Impact Fixes (YELLOW)
- Fix docs.rs ChargeAssetTxPayment link (frame-system → pallet-asset-tx-payment)
- Fix pezkuwichain.github.io → paritytech.github.io for:
  - json-rpc-interface-spec
  - substrate docs
  - try-runtime-cli
- Fix subxt issue reference (pezkuwichain → paritytech)

### Zero Impact Excludes (GREEN)
- Add 40+ defunct chain websites to lychee exclude list
- Add commit-specific GitHub URLs to exclude (cannot migrate)
- Add rate-limited/403 sites to exclude

### Documentation
- Refactor .claude/domains_repositories.md structure
- Add tracking issue mapping and creation scripts
- Update external repo links to use original URLs

Result: 🔍 9610 Total ✅ 6747 OK 🚫 0 Errors

pezkuwi/runtime/teyrchains/src/assigner_coretime/mod.rs

@@ -407,7 +407,7 @@ impl<T: Config> Pezpallet<T> {
 	/// Inserting arbitrarily causes a `DispatchError::DisallowedInsert` error.
 	// With this restriction this function allows for O(1) complexity. It could easily be lifted, if
 	// need be and in fact an implementation is available
-	// [here](https://github.com/pezkuwichain/pezkuwi-sdk/issues/107/commits/c0c23b01fd2830910cde92c11960dad12cdff398#diff-0c85a46e448de79a5452395829986ee8747e17a857c27ab624304987d2dde8baR386).
+	// [here](https://github.com/pezkuwichain/pezkuwi-sdk/issues/253/commits/c0c23b01fd2830910cde92c11960dad12cdff398#diff-0c85a46e448de79a5452395829986ee8747e17a857c27ab624304987d2dde8baR386).
 	// The problem is that insertion complexity then depends on the size of the existing queue,
 	// which makes determining weights hard and could lead to issues like overweight blocks (at
 	// least in theory).

pezkuwi/runtime/teyrchains/src/configuration.rs

@@ -513,20 +513,20 @@ pub mod pezpallet {
 
 	/// The in-code storage version.
 	///
-	/// v0-v1:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/174>
-	/// v1-v2:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/175>
-	/// v2-v3:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/178>
-	/// v3-v4:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/180>
-	/// v4-v5:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/182>
-	///       + <https://github.com/pezkuwichain/pezkuwi-sdk/issues/183>
-	///       + <https://github.com/pezkuwichain/pezkuwi-sdk/issues/181>
-	/// v5-v6:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/179> (remove UMP dispatch queue)
-	/// v6-v7:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/185>
-	/// v7-v8:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/184>
-	/// v8-v9:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/186>
-	/// v9-v10: <https://github.com/pezkuwichain/pezkuwi-sdk/issues/110>
-	/// v10-11: <https://github.com/pezkuwichain/pezkuwi-sdk/issues/100>
-	/// v11-12: <https://github.com/pezkuwichain/pezkuwi-sdk/issues/112>
+	/// v0-v1:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/317>
+	/// v1-v2:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/318>
+	/// v2-v3:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/321>
+	/// v3-v4:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/323>
+	/// v4-v5:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/325>
+	///       + <https://github.com/pezkuwichain/pezkuwi-sdk/issues/326>
+	///       + <https://github.com/pezkuwichain/pezkuwi-sdk/issues/324>
+	/// v5-v6:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/322> (remove UMP dispatch queue)
+	/// v6-v7:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/328>
+	/// v7-v8:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/327>
+	/// v8-v9:  <https://github.com/pezkuwichain/pezkuwi-sdk/issues/329>
+	/// v9-v10: <https://github.com/pezkuwichain/pezkuwi-sdk/issues/256>
+	/// v10-11: <https://github.com/pezkuwichain/pezkuwi-sdk/issues/246>
+	/// v11-12: <https://github.com/pezkuwichain/pezkuwi-sdk/issues/258>
 	const STORAGE_VERSION: StorageVersion = StorageVersion::new(12);
 
 	#[pezpallet::pezpallet]

pezkuwi/runtime/teyrchains/src/paras/mod.rs

@@ -398,7 +398,7 @@ pub(crate) enum PvfCheckCause<BlockNumber> {
 		/// instead of its relay parent -- in order to keep PVF available in case of chain
 		/// reversions.
 		///
-		/// See https://github.com/pezkuwichain/pezkuwi-sdk/issues/151 for detailed explanation.
+		/// See https://github.com/pezkuwichain/pezkuwi-sdk/issues/294 for detailed explanation.
 		included_at: BlockNumber,
 		/// Whether or not the upgrade should be enacted directly.
 		///
@@ -1464,7 +1464,7 @@ const INVALID_TX_DOUBLE_VOTE: u8 = 3;
 const INVALID_TX_UNAUTHORIZED_CODE: u8 = 4;
 
 /// This is intermediate "fix" for this issue:
-/// <https://github.com/pezkuwichain/pezkuwi-sdk/issues/136>
+/// <https://github.com/pezkuwichain/pezkuwi-sdk/issues/281>
 ///
 /// It does not actually fix it, but makes the worst case better. Without that limit someone
 /// could completely DoS the relay chain by registering a ridiculously high amount of paras.