docs(CONTRIBUTING): add bun link/unlink steps for local plugin testing

Author: kenryu42

CONTRIBUTING.md

@@ -53,9 +53,9 @@ bun run check
 
 ## Claude Code
 
-1. **Build the project**:
+1. **Build and link the project**:
    ```bash
-   bun run build
+   bun run build && bun link
    ```
 
 2. **Disable the safety-net plugin** in Claude Code (if installed) and exit Claude Code completely.
@@ -74,14 +74,19 @@ bun run check
    git checkout -b test-branch
    ```
 
+5. **Unlink the project** when you're done:
+   ```bash
+   bun unlink
+   ```
+
 > [!NOTE]
 > See the [official documentation](https://docs.anthropic.com/en/docs/claude-code/plugins#test-your-plugins-locally) for more details on testing plugins locally.
 
 ## OpenCode
 
-1. **Build the project**:
+1. **Build and link the project**:
    ```bash
-   bun run build
+   bun run build && bun link
    ```
 
 2. **Update your OpenCode config** (`~/.config/opencode/opencode.json` or `opencode.jsonc`):
@@ -102,7 +107,8 @@ bun run check
    }
    ```
 
-   > **Note**: Remove `"cc-safety-net"` from the plugin array if it exists, to avoid conflicts with the npm version.
+> [!NOTE]
+> Remove `"cc-safety-net"` from the plugin array if it exists, to avoid conflicts with the npm version.
 
 3. **Restart OpenCode** to load the changes.
 
@@ -117,6 +123,13 @@ bun run check
    git checkout -b test-branch
    ```
 
+6. **Manually copy or add commands** to `~/.config/opencode/command` or `.opencode/command` if you modified or added any new commands. 
+
+7. **Unlink the project** when you're done:
+   ```bash
+   bun unlink
+   ```
+
 > [!NOTE]
 > See the [official documentation](https://opencode.ai/docs/plugins/) for more details on OpenCode plugins.