docs: fix broken subcommand links in pkg and dev indexes

Commands documented inline don't need directory links.
Only link to directories that actually exist.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/cmd/dev/index.md

@@ -7,28 +7,28 @@ Multi-repo development workflow and portable dev environment.
 | Command | Description |
 |---------|-------------|
 | [work](work/) | Full workflow: status + commit + push |
-| [health](health/) | Quick health check across repos |
-| [commit](commit/) | Claude-assisted commits |
-| [push](push/) | Push repos with unpushed commits |
-| [pull](pull/) | Pull repos that are behind |
-| [issues](issues/) | List open issues |
-| [reviews](reviews/) | List PRs needing review |
-| [ci](ci/) | Check CI status |
-| [impact](impact/) | Show dependency impact |
+| `health` | Quick health check across repos |
+| `commit` | Claude-assisted commits |
+| `push` | Push repos with unpushed commits |
+| `pull` | Pull repos that are behind |
+| `issues` | List open issues |
+| `reviews` | List PRs needing review |
+| `ci` | Check CI status |
+| `impact` | Show dependency impact |
 
 ## Dev Environment Commands
 
 | Command | Description |
 |---------|-------------|
-| [install](install/) | Download the core-devops image |
-| [boot](boot/) | Start the environment |
-| [stop](stop/) | Stop the environment |
-| [status](status/) | Show status |
-| [shell](shell/) | Open shell |
-| [serve](serve/) | Start dev server |
-| [test](test/) | Run tests |
-| [claude](claude/) | Sandboxed Claude |
-| [update](update/) | Update image |
+| `install` | Download the core-devops image |
+| `boot` | Start the environment |
+| `stop` | Stop the environment |
+| `status` | Show status |
+| `shell` | Open shell |
+| `serve` | Start dev server |
+| `test` | Run tests |
+| `claude` | Sandboxed Claude |
+| `update` | Update image |
 
 ---
 

docs/cmd/pkg/index.md

@@ -1,13 +1,64 @@
 # core pkg
 
-Package management for core-* repos.
+Package management for Go modules.
 
-## Subcommands
+## Usage
+
+```bash
+core pkg <command> [flags]
+```
+
+## Commands
 
 | Command | Description |
 |---------|-------------|
-| [search](search/) | Search packages |
-| [install](install/) | Install package |
-| [list](list/) | List installed |
-| [update](update/) | Update packages |
-| [outdated](outdated/) | Check outdated |
+| [search](search/) | Search packages on GitHub |
+| `install` | Install a package |
+| `list` | List installed packages |
+| `update` | Update packages |
+| `outdated` | Check for outdated packages |
+
+## pkg install
+
+Install a Go module.
+
+```bash
+core pkg install <module> [flags]
+```
+
+### Examples
+
+```bash
+core pkg install github.com/host-uk/core-php
+core pkg install github.com/spf13/cobra@latest
+```
+
+## pkg list
+
+List installed packages.
+
+```bash
+core pkg list
+```
+
+## pkg update
+
+Update packages to latest versions.
+
+```bash
+core pkg update [flags]
+```
+
+### Flags
+
+| Flag | Description |
+|------|-------------|
+| `--all` | Update all packages |
+
+## pkg outdated
+
+Check for outdated packages.
+
+```bash
+core pkg outdated
+```