Add docs for Cody edit modes

docs/cody/capabilities/edit-modes.mdx

@@ -0,0 +1,95 @@
+# Edit Modes
+
+Cody provides two ways to edit code: Quick Edit (Alt+K) for fast, focused edits and Chat Panel Edit mode for editing through the chat interface with a conversational record.
+
+## Quick Edit (Alt+K)
+
+Quick Edit provides a streamlined way to edit code without leaving your editor context. It opens a dedicated input dialog where you can describe your desired changes.
+
+### How to use Quick Edit
+
+1. Select the code you want to edit in your editor
+2. Press `Opt+K` (macOS) or `Alt+K` (Windows/Linux)
+3. Describe the change you want in the input dialog
+4. Optionally configure:
+   - Range selection
+   - Model selection
+   - Context items (@-mentions for files/symbols)
+5. Submit your instruction
+
+Alternatively, right-click and select **Cody → Edit Code**. In VS Code, you can also use the 💡 lightbulb menu (`Cmd+.` or `Ctrl+.`).
+
+### Quick Edit workflow
+
+Changes appear directly in your file with decorations showing what was modified. Code lenses appear above the changes with options to Accept, Undo, Retry, or Show Diff.
+
+Keyboard shortcuts for these actions are available in VS Code (`Alt+A`, `Alt+X`, `Alt+R`) and JetBrains (with modifier variations on macOS).
+
+## Chat Panel Edit Mode
+
+The Chat Panel Edit mode lets you request code edits through the chat interface. This is useful when you want a conversational record of your edits or prefer working within the chat panel.
+
+### How to use Chat Panel Edit mode
+
+1. Select the code you want to edit in your editor
+2. Open the Cody chat panel
+3. Click the mode selector dropdown and choose **Edit**
+   - Or use `Cmd+.` (macOS) or `Ctrl+.` (Windows/Linux) to cycle through modes
+4. Type your edit instruction in the chat input
+5. Submit your message
+
+### Chat Panel Edit workflow
+
+When you submit an edit request through chat:
+
+1. The diff is first displayed as a formatted message in the chat panel
+2. The same inline changes and code lenses appear in your file
+3. You have both a chat record AND inline edit controls
+
+This mode provides visibility into what changes Cody proposes before they appear in your file, along with a persistent record of the edit in your chat history.
+
+## Comparing the two approaches
+
+| Feature | Quick Edit (Alt+K) | Chat Panel Edit Mode |
+|---------|-------------------|---------------------|
+| Interface | Dedicated dialog | Chat input |
+| Configuration options | Range, model, @-mentions in dialog | Standard chat @-mentions |
+| Result display | Inline changes only | Diff in chat + inline changes |
+| Chat history | No record | Preserved in chat history |
+| Keyboard shortcut | `Alt+K` / `Opt+K` | Toggle with `Cmd+.` / `Ctrl+.` |
+| Best for | Quick, focused edits | Conversational editing with history |
+
+## When to use each mode
+
+**Use Quick Edit (Alt+K) when you:**
+- Want the fastest path to making an edit
+- Don't need to keep a record of the change
+- Prefer a dedicated, focused interface
+
+**Use Chat Panel Edit mode when you:**
+- Want to see the diff preview in chat before it's applied
+- Need a conversational record of your edits
+- Are already working in the chat panel
+- Want to iterate on edits with follow-up messages
+
+## Shared functionality
+
+Both edit modes use the same underlying system once the edit is triggered. This means you get:
+
+- **Inline decorations**: Visual indicators showing added and removed code
+- **Code lenses**: Accept, Undo, Retry, and Show Diff options above changes
+- **Model selection**: Choose which LLM generates the edit
+- **Context awareness**: Cody uses your codebase context to make informed edits
+
+## Client support
+
+Edit modes are available in the following Cody clients:
+
+- [VS Code](/cody/clients/install-vscode): Full support for Quick Edit and Chat Panel Edit mode
+- [JetBrains](/cody/clients/install-jetbrains): Full support for Quick Edit and Chat Panel Edit mode
+
+<Callout type="note">
+Visual Studio support for inline editing is experimental and has limited functionality compared to VS Code and JetBrains.
+</Callout>
+
+See the [feature parity reference](/cody/clients/feature-reference) for detailed client comparison.

docs/cody/capabilities/index.mdx

@@ -15,6 +15,13 @@
 	description="Use Cody's chat to get contextually-aware answers to your questions."
 />
 
+<QuickLink
+	title="Edit Modes"
+	icon="installation"
+	href="/cody/capabilities/edit-modes"
+	description="Edit code with Quick Edit (Alt+K) or Chat Panel Edit mode."
+/>
+
 <QuickLink
 	title="Auto-edit"
 	icon="installation"