docs: use relative markdown links

Author: randygrok

docs/concepts/block-lifecycle.md

@@ -655,7 +655,7 @@ The components communicate through well-defined interfaces:
 
 ## Metrics
 
-The block components expose Prometheus metrics for monitoring block production, DA submission/retrieval, sync progress, and errors. See the [Metrics guide](/guides/metrics) for configuration and available metric names.
+The block components expose Prometheus metrics for monitoring block production, DA submission/retrieval, sync progress, and errors. See the [Metrics guide](../guides/metrics.md) for configuration and available metric names.
 
 ## Implementation
 

docs/getting-started/custom/implement-executor.md

@@ -217,7 +217,7 @@ func TestExecuteTxs(t *testing.T) {
 
 ## Next Steps
 
-- [Executor Interface Reference](/reference/interfaces/executor) — Full type definitions
+- [Executor Interface Reference](../../reference/interfaces/executor.md) — Full type definitions
 - [Testapp Source](https://github.com/evstack/ev-node/tree/main/apps/testapp) — Reference implementation
-- [EVM Quickstart](/getting-started/evm/quickstart) — Using the EVM executor (ev-reth)
-- [Cosmos SDK Quickstart](/getting-started/cosmos/quickstart) — Using the Cosmos SDK executor (ev-abci)
+- [EVM Quickstart](../evm/quickstart.md) — Using the EVM executor (ev-reth)
+- [Cosmos SDK Quickstart](../cosmos/quickstart.md) — Using the Cosmos SDK executor (ev-abci)

docs/index.md

@@ -16,6 +16,7 @@ Evolve is the fastest way to launch your own modular network — without validat
 
 ## Get started
 
+<!-- markdown-link-check-disable -->
 <div class="grid-cards">
 
 <a class="card" href="/guides/quick-start">
@@ -39,17 +40,18 @@ Evolve is the fastest way to launch your own modular network — without validat
 </a>
 
 </div>
+<!-- markdown-link-check-enable -->
 
 ## Explore
 
 | Section | What you'll find |
 |---------|-----------------|
-| [Learn](/learn/about) | Core concepts — DA, sequencing, execution, specs |
-| [How-To Guides](/guides/quick-start) | Tutorials for building, deploying, and operating chains |
-| [EVM Integration](/guides/evm/single) | Run an EVM chain with Reth |
-| [DA Layers](/guides/da/local-da) | Connect to Celestia or run a local DA |
-| [Deploy](/guides/deploy/overview) | Local, testnet, and mainnet deployment |
-| [API Docs](/api) | Full RPC reference |
+| [Learn](learn/about.md) | Core concepts — DA, sequencing, execution, specs |
+| [How-To Guides](guides/quick-start.md) | Tutorials for building, deploying, and operating chains |
+| [EVM Integration](guides/evm/single.md) | Run an EVM chain with Reth |
+| [DA Layers](guides/da/local-da.md) | Connect to Celestia or run a local DA |
+| [Deploy](guides/deploy/overview.md) | Local, testnet, and mainnet deployment |
+| [API Docs](api/index.md) | Full RPC reference |
 
 <style>
 .grid-cards {

docs/reference/interfaces/executor.md

@@ -190,4 +190,4 @@ Only implement if your execution layer supports in-flight rollback.
 
 ## Implementation Guide
 
-See [Implement Custom Executor](/getting-started/custom/implement-executor) for a step-by-step guide.
+See [Implement Custom Executor](../../getting-started/custom/implement-executor.md) for a step-by-step guide.