docs: fix 6 broken markdown links found during audit

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: bradygaster

README.md

@@ -3,7 +3,7 @@
 **AI agent teams for any project.** One command. A team that grows with your code.
 
 [![Status](https://img.shields.io/badge/status-alpha-blueviolet)](#status)
-[![Platform](https://img.shields.io/badge/platform-GitHub%20Copilot-blue)](#about-squad)
+[![Platform](https://img.shields.io/badge/platform-GitHub%20Copilot-blue)](#what-is-squad)
 
 > ⚠️ **Alpha Software** — Squad is experimental. APIs and CLI commands may change between releases. We'll document breaking changes in [CHANGELOG.md](CHANGELOG.md).
 

docs/blog/021-the-migration.md

@@ -201,7 +201,7 @@ The public repo is live. npm distribution is stable. Docs are rebuilt. The team
 If you hit issues:
 - **[File a bug](https://github.com/bradygaster/squad/issues/new)** — Issues are public. We read them.
 - **[Start a discussion](https://github.com/bradygaster/squad/discussions)** — Ideas, questions, feedback.
-- **[Check the docs](https://github.com/bradygaster/squad#documentation)** — migration guides, scenarios, reference.
+- **[Check the docs](https://github.com/bradygaster/squad#what-is-squad)** — migration guides, scenarios, reference.
 
 Welcome to the public Squad. Let's build.
 

docs/features/remote-control.md

@@ -322,5 +322,5 @@ Logs are created on first event.
 ## See Also
 
 - [CLI Reference](../reference/cli.md) — All commands
-- [Getting Started](../get-started/quickstart.md) — Squad setup
+- [Getting Started](../get-started/installation.md) — Squad setup
 - [VS Code Integration](./vscode.md) — Remote Control in VS Code

docs/release-checklist.md

@@ -118,6 +118,6 @@ The following checks run automatically in CI (no manual action required):
 
 ## References
 
-- [GitHub Actions Workflows](.github/workflows/)
-- [Package Configuration](package.json)
-- [Changelog](CHANGELOG.md)
+- [GitHub Actions Workflows](../.github/workflows/)
+- [Package Configuration](../package.json)
+- [Changelog](../CHANGELOG.md)