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

docs/sdk/src/pezkuwi_sdk/bizinikiwi.rs

@@ -89,7 +89,7 @@
 //! build their WASM files as a part of normal build command (e.g. `cargo build`). Once built, the
 //! wasm file is placed in `./target/{debug|release}/wbuild/{runtime_name}/{runtime_name}.wasm`.
 //!
-//! In order to ensure that the WASM build is **deterministic**, the [Bizinikiwi Runtime Toolbox (srtool)](https://github.com/pezkuwichain/srtool) can be used.
+//! In order to ensure that the WASM build is **deterministic**, the [Bizinikiwi Runtime Toolbox (srtool)](https://github.com/paritytech/srtool) can be used.
 //!
 //! ### Anatomy of a Binary Crate
 //!
@@ -108,7 +108,7 @@
 //!
 //! > The above two are conventions, not rules.
 //!
-//! > See <https://github.com/pezkuwichain/pezkuwi-sdk/issues/94> for an update on how the node side
+//! > See <https://github.com/pezkuwichain/pezkuwi-sdk/issues/241> for an update on how the node side
 //! > components are being amalgamated.
 //!
 //! ## Teyrchain?
@@ -130,7 +130,7 @@
 //!     - [`pezsc_consensus_aura`]
 //!     - [`pezsc_consensus_babe`]
 //!     - [`pezsc_consensus_grandpa`]
-//!     - [`pezsc_consensus_beefy`] (TODO: @adrian, add some high level docs <https://github.com/pezkuwichain/pezkuwi-sdk/issues/162>)
+//!     - [`pezsc_consensus_beefy`] (TODO: @adrian, add some high level docs <https://github.com/pezkuwichain/pezkuwi-sdk/issues/305>)
 //!     - [`pezsc_consensus_manual_seal`]
 //!     - [`pezsc_consensus_pow`]
 

docs/sdk/src/pezkuwi_sdk/mod.rs

@@ -41,7 +41,7 @@
 //!
 //! [![Bizinikiwi-license](https://img.shields.io/badge/License-Apache2.0-blue)](https://github.com/pezkuwichain/pezkuwi-sdk/blob/master/bizinikiwi/LICENSE-APACHE2)
 //! [![GitHub
-//! Repo](https://img.shields.io/badge/github-frame-2324CC85)](https://github.com/pezkuwichain/pezkuwi-sdk/blob/master/bizinikiwi/frame)
+//! Repo](https://img.shields.io/badge/github-frame-2324CC85)](https://github.com/pezkuwichain/pezkuwi-sdk/blob/master/bizinikiwi/pezframe)
 //!
 //! [`frame`] is the framework used to create Bizinikiwi-based application logic, aka. runtimes.
 //! Learn more about the distinction of a runtime and node in
@@ -118,8 +118,8 @@
 //!
 //! - [`parity-scale-codec`](https://github.com/pezkuwichain/parity-scale-codec)
 //! - [`parity-db`](https://github.com/pezkuwichain/parity-db)
-//! - [`trie`](https://github.com/pezkuwichain/trie)
-//! - [`parity-common`](https://github.com/pezkuwichain/parity-common)
+//! - [`trie`](https://github.com/paritytech/trie)
+//! - [`parity-common`](https://github.com/paritytech/parity-common)
 //!
 //! ## Trophy Section: Notable Downstream Projects
 //!

docs/sdk/src/pezkuwi_sdk/smart_contracts.rs

@@ -1,6 +1,6 @@
 //! # Smart Contracts
 //!
-//! TODO: @cmichi <https://github.com/pezkuwichain/pezkuwi-sdk/issues/161>
+//! TODO: @cmichi <https://github.com/pezkuwichain/pezkuwi-sdk/issues/304>
 //!
 //! - WASM and EVM based, pezpallet-contracts and pezpallet-evm.
 //! - single-daap-chain, transition from ink! to FRAME.

docs/sdk/src/pezkuwi_sdk/templates.rs

@@ -9,10 +9,10 @@
 //!
 //! The following templates are maintained as a part of the `pezkuwi-sdk` repository:
 //!
-//! - [`minimal-template`](https://github.com/pezkuwichain/pezkuwi-sdk/issues/25): A minimal
+//! - [`minimal-template`](https://github.com/pezkuwichain/pezkuwi-sdk/issues/195): A minimal
 //!   template that contains the least amount of features to be a functioning blockchain. Suitable
 //!   for learning and testing.
-//! - [`solochain-template`](https://github.com/pezkuwichain/pezkuwi-sdk/issues/25): Formerly known
+//! - [`solochain-template`](https://github.com/pezkuwichain/pezkuwi-sdk/issues/195): Formerly known
 //!   as "bizinikiwi-node-template", is a white-labeled bizinikiwi-based blockchain (aka. solochain)
 //!   that contains moderate features, such as a basic consensus engine and some FRAME pallets. This
 //!   template can act as a good starting point for those who want to launch a solochain.

docs/sdk/src/pezkuwi_sdk/xcm.rs

@@ -5,7 +5,7 @@
 //!
 //! ## Overview
 //!
-//! XCM is a standard, specification of which lives in the [xcm format repo](https://github.com/pezkuwichain/xcm-format).
+//! XCM is a standard, specification of which lives in the [xcm format repo](https://github.com/polkadot-fellows/xcm-format).
 //! It's agnostic both in programming language and blockchain platform, which means it could be used
 //! in Rust in Pezkuwi, or in Go or C++ in any other platform like Cosmos or Ethereum.
 //!