docs: document working_dir field for MCP and LSP toolsets

- docs/tools/lsp/index.md: add working_dir to Properties table;
  extend the Go/gopls example to show the monorepo subdirectory use-case
- docs/configuration/tools/index.md: add working_dir to both the
  Local MCP (stdio) and Docker MCP (ref) property tables
- CHANGELOG.md: add Unreleased section noting the new field

Assisted-By: docker-agent

Author: simonferquel-clanker

docs/configuration/tools/index.md

@@ -65,6 +65,7 @@ Browse available tools at the [Docker MCP Catalog](https://hub.docker.com/search
 | `tools`       | array  | Optional: only expose these tools                                |
 | `instruction` | string | Custom instructions injected into the agent's context            |
 | `config`      | any    | MCP server-specific configuration (passed during initialization) |
+| `working_dir` | string | Working directory for the MCP gateway subprocess. Only applies when the catalog entry runs as a local process (not remote). Relative paths are resolved against the agent's working directory. |
 
 ### Local MCP (stdio)
 
@@ -86,6 +87,7 @@ toolsets:
 | `args` | array | Command arguments |
 | `tools` | array | Optional: only expose these tools |
 | `env` | object | Environment variables (key-value pairs) |
+| `working_dir` | string | Working directory for the MCP server process. Relative paths are resolved against the agent's working directory. Defaults to the agent's working directory when omitted. |
 | `instruction` | string | Custom instructions injected into the agent's context |
 | `version` | string | Package reference for [auto-installing](#auto-installing-tools) the command binary |
 

docs/tools/lsp/index.md

@@ -65,6 +65,7 @@ agents:
 | `args` | array | ✗ | Command-line arguments for the LSP server |
 | `env` | object | ✗ | Environment variables for the LSP process |
 | `file_types` | array | ✗ | File extensions this LSP handles (e.g., `[".go", ".mod"]`) |
+| `working_dir` | string | ✗ | Working directory for the LSP server process. Relative paths are resolved against the agent's working directory. Defaults to the agent's working directory when omitted. |
 | `version` | string | ✗ | Package reference for [auto-installing]({{ '/configuration/tools/#auto-installing-tools' | relative_url }}) the command binary |
 
 ## Common LSP Servers
@@ -81,6 +82,16 @@ toolsets:
     file_types: [".go"]
 ```
 
+If your Go module lives in a subdirectory (e.g. a monorepo where `go.mod` is under `./backend`), set `working_dir` so `gopls` is started from the module root:
+
+```yaml
+toolsets:
+  - type: lsp
+    command: gopls
+    file_types: [".go"]
+    working_dir: ./backend  # gopls must be started from the module root
+```
+
 ### TypeScript/JavaScript (typescript-language-server)
 
 ```yaml