refactor!: rename variables to editor context (#2719)

Author: olimorris

CLAUDE.md

@@ -32,7 +32,7 @@ Located in `lua/codecompanion/interactions/`:
 
 **Chat Interaction** (`interactions/chat/`)
 - Primary interactive mode with buffer-based interface
-- Key components: `ui/`, `tools/`, `slash_commands/`, `memory/`, `variables/`, `edit_tracker.lua`, `parser.lua`
+- Key components: `ui/`, `tools/`, `slash_commands/`, `memory/`, `editor_context/`, `edit_tracker.lua`, `parser.lua`
 
 **Inline Interaction** (`interactions/inline/`)
 - Direct code transformation in Neovim buffers
@@ -74,9 +74,9 @@ Located in `lua/codecompanion/interactions/chat/slash_commands/builtin/`:
 
 Dynamic context ingestion via `/command` syntax in chat.
 
-### Variables & Interactions
+### Editor Context & Interactions
 
-**Variables** (`interactions/chat/variables/`): `buffer`, `lsp`, `user`, `viewport` - expanded in system prompts and messages.
+**Editor Context** (`interactions/chat/editor_context/`): `buffer`, `lsp`, `user`, `viewport` - expanded in system prompts and messages.
 
 **Background Interactions** (`interactions/background/`): Auto-run LLM tasks with event hooks (e.g., `chat_make_title` auto-generates chat titles).
 
@@ -162,7 +162,7 @@ LLM Response → Parser → Tools (optional) → Chat Buffer Display
 4. Results sent back to LLM
 
 **Context Injection:**
-- Variables: Expanded in system prompt
+- Editor Context: Expanded in system prompt
 - Slash Commands: User-triggered context
 - Buffer Watching: Automatic tracking
 

README.md

@@ -33,10 +33,10 @@ Thank you to the following people:
 - :robot: Support for [Agent Client Protocol](https://agentclientprotocol.com/overview/introduction), enabling coding with agents like [Augment Code](https://docs.augmentcode.com/cli/overview), [Cagent](https://github.com/docker/cagent) from Docker, [Claude Code](https://docs.anthropic.com/en/docs/claude-code/overview), [Codex](https://openai.com/codex), [Gemini CLI](https://github.com/google-gemini/gemini-cli), [Goose](https://block.github.io/goose/), [Kimi CLI](https://github.com/MoonshotAI/kimi-cli), [Kiro](https://kiro.dev/docs/cli/), [Mistral Vibe](https://github.com/mistralai/mistral-vibe) and [OpenCode](https://opencode.ai)
 - :heart_hands: User contributed and supported [adapters](https://codecompanion.olimorris.dev/configuration/adapters#community-adapters)
 - :rocket: [Inline transformations](https://codecompanion.olimorris.dev/usage/inline-assistant.html), code creation and refactoring
-- :art: [Variables](https://codecompanion.olimorris.dev/usage/chat-buffer/variables.html), [Slash Commands](https://codecompanion.olimorris.dev/usage/chat-buffer/slash-commands.html), [Tools](https://codecompanion.olimorris.dev/usage/chat-buffer/tools.html) and [Workflows](https://codecompanion.olimorris.dev/usage/workflows.html) to improve LLM output
+- :art: [Editor Context](https://codecompanion.olimorris.dev/usage/chat-buffer/editor-context.html), [Slash Commands](https://codecompanion.olimorris.dev/usage/chat-buffer/slash-commands.html), [Tools](https://codecompanion.olimorris.dev/usage/chat-buffer/tools.html) and [Workflows](https://codecompanion.olimorris.dev/usage/workflows.html) to improve LLM output
 - :brain: Support for [rules](https://codecompanion.olimorris.dev/usage/chat-buffer/rules.html) files like `CLAUDE.md`, `.cursor/rules` and your own custom ones
 - :sparkles: Built-in [prompt library](https://codecompanion.olimorris.dev/usage/action-palette.html) for common tasks like advice on LSP errors and code explanations
-- :building_construction: Create your own [custom prompts](https://codecompanion.olimorris.dev/configuration/prompt-library.html#creating-prompts), Variables and Slash Commands
+- :building_construction: Create your own [custom prompts](https://codecompanion.olimorris.dev/configuration/prompt-library.html#creating-prompts), Editor Context and Slash Commands
 - :books: Have [multiple chats](https://codecompanion.olimorris.dev/usage/introduction.html#quickly-accessing-a-chat-buffer) open at the same time
 - :art: Support for [vision and images](https://codecompanion.olimorris.dev/usage/chat-buffer/#images-vision) as input
 - :muscle: Async execution for fast performance

doc/.vitepress/config.mjs

@@ -159,13 +159,16 @@ export default withMermaid(
               collapsed: true,
               items: [
                 { text: "Agents", link: "/usage/chat-buffer/agents" },
+                {
+                  text: "Editor Context",
+                  link: "/usage/chat-buffer/editor-context",
+                },
                 { text: "Rules", link: "/usage/chat-buffer/rules" },
                 {
                   text: "Slash Commands",
                   link: "/usage/chat-buffer/slash-commands",
                 },
                 { text: "Tools", link: "/usage/chat-buffer/tools" },
-                { text: "Variables", link: "/usage/chat-buffer/variables" },
               ],
             },
             { text: "Events", link: "/usage/events" },