feat: replace Python link-checker submodule with TypeScript scripts

README.md

@@ -86,21 +86,24 @@ A few pages are intentionally excluded (intro/landing pages that only contain na
 
 ## Link Checker
 
-This repo includes [ethersphere/docusaurus-link-checker](https://github.com/ethersphere/docusaurus-link-checker) as a git submodule at `tools/docusaurus-link-checker`. After cloning, initialise it with:
+The link checker scripts live in `scripts/` and are written in TypeScript. They require no additional installation beyond `npm ci` (which installs `tsx`).
+
+### Usage
+
+Run the checker against a local build:
 
 ```bash
-git submodule update --init
+npm run build          # build the site first
+npm run check:links    # check the local build
 ```
 
-### Usage
-
-Run the checker from the repo root:
+Or build and check in one step:
 
 ```bash
-npm run check:links
+npm run build:check
 ```
 
-You will be prompted to choose local or live mode. Flags are passed through after `--`:
+Flags are passed through after `--`:
 
 ```bash
 npm run check:links -- --mode local
@@ -115,12 +118,6 @@ npm run check:links -- --mode local --no-external --threads 16
 | `--no-external` | Skip external URL checking (local mode only) |
 | `--threads N` | Number of concurrent HTTP threads (default: 8) |
 
-To run the full build and then immediately check links:
-
-```bash
-npm run build:check
-```
-
 Reports are written to `link-reports/` (gitignored).
 
 ## Bumping Version