docs(install): restructure uninstall section with required/optional grouping and fixes

docs/installation.md

@@ -331,46 +331,43 @@ See the [Multiplexer Integration Guide](multiplexer-integration.md) for more det
 
 ## Uninstallation
 
+### Required
+
 1. Remove the plugin from your OpenCode config:
 
-   Edit `~/.config/opencode/opencode.json` and remove `"oh-my-opencode-slim"` from the `plugin` array. If the installer enabled LSP, set `"lsp": false` or remove the `"lsp"` key.
+   Edit `~/.config/opencode/opencode.json` and remove `"oh-my-opencode-slim"` from the `plugin` array. If the installer enabled LSP (it only does so when no explicit `lsp` setting exists), set `"lsp": false` or remove the `"lsp"` key.
 
 2. Remove the TUI badge:
 
    Edit `~/.config/opencode/tui.json` and remove `"oh-my-opencode-slim"` from the `plugin` array.
 
-3. Re-enable default agents (optional):
+### Optional Cleanup
+
+3. Re-enable default agents:
 
    In `~/.config/opencode/opencode.json`, remove the `disable: true` entries the installer added under `agent.explore` and `agent.general`.
 
-4. Remove the environment variable (optional):
+4. Remove the environment variable:
 
    The installer may have added an export to your shell startup file. Remove the `OPENCODE_EXPERIMENTAL_BACKGROUND_SUBAGENTS=true` line from your shell config:
    - `~/.zshrc` (Zsh)
    - `~/.bashrc` (Bash)
-   - `~/.config/fish/config.fish` (Fish) where you'll also remove `set -gx OPENCODE_EXPERIMENTAL_BACKGROUND_SUBAGENTS true`
+   - `~/.config/fish/conf.d/opencode-background-subagents.fish` (Fish) — also remove `set -gx OPENCODE_EXPERIMENTAL_BACKGROUND_SUBAGENTS true`
 
    Restart your terminal or `source` the file.
 
-5. Clear the plugin cache (optional):
-   ```bash
-   rm -rf ~/.cache/opencode/packages/oh-my-opencode-slim@latest
-   ```
-
-6. Remove the desktop companion binary (optional):
-
-   If you installed the companion, remove the downloaded binary and state:
+5. Clear the plugin cache:
    ```bash
-   rm -rf ~/.local/share/opencode/storage/oh-my-opencode-slim
+   rm -rf ~/.cache/opencode/packages/oh-my-opencode-slim@*
    ```
 
-7. Remove configuration files (optional):
+6. Remove configuration files:
    ```bash
    rm -f ~/.config/opencode/oh-my-opencode-slim.json
    rm -f ~/.config/opencode/oh-my-opencode-slim.json.bak
    ```
 
-8. Remove skills (optional):
+7. Remove skills installed by the installer:
    ```bash
    rm -rf ~/.config/opencode/skills/simplify
    rm -rf ~/.config/opencode/skills/codemap
@@ -380,3 +377,16 @@ See the [Multiplexer Integration Guide](multiplexer-integration.md) for more det
    rm -rf ~/.config/opencode/skills/worktrees
    rm -rf ~/.config/opencode/skills/oh-my-opencode-slim
    ```
+
+   > **Note:** The installer manages these specific skills. If you added others manually, they won't be affected.
+
+8. Remove the desktop companion binary (if installed):
+
+   The companion is optional and not installed by default. If you installed it:
+   ```bash
+   rm -rf ~/.local/share/opencode/storage/oh-my-opencode-slim
+   ```
+
+### Verify
+
+Run `opencode auth status` and confirm oh-my-opencode-slim agents no longer appear.