docs: clarify working directory defaults across SDKs

dotnet/README.md

@@ -84,7 +84,7 @@ new CopilotClient(CopilotClientOptions? options = null)
 
 - `Connection` - How to connect to the Copilot runtime. Defaults to `null` (equivalent to `RuntimeConnection.ForStdio()` with the bundled runtime). See "RuntimeConnection" below.
 - `LogLevel` - Runtime log level. Accepts well-known values `CopilotLogLevel.None`, `Error`, `Warning`, `Info`, `Debug`, `All`. Defaults to null (the runtime's own default).
-- `WorkingDirectory` - Working directory for the runtime process.
+- `WorkingDirectory` - Working directory for the runtime process. When not set, the spawned runtime inherits the calling application's current working directory.
 - `BaseDirectory` - Base directory for Copilot data (session state, config, etc.). Sets `COPILOT_HOME` on the spawned runtime process. When not set, the runtime defaults to `~/.copilot`. Useful in restricted environments where only specific directories are writable. Ignored when connecting via `RuntimeConnection.ForUri(...)`.
 - `EnableRemoteSessions` - Enables remote-session features.
 - `Environment` - Environment variables to pass to the runtime process.
@@ -131,6 +131,7 @@ Create a new conversation session.
 - `Provider` - Custom API provider configuration (BYOK)
 - `Streaming` - Enable streaming of response chunks (default: false)
 - `InfiniteSessions` - Configure automatic context compaction (see below)
+- `WorkingDirectory` - Working directory for the session. When not set, the runtime uses its own process working directory.
 - `EnableSessionStore` - Enables the cross-session store for search and retrieval across sessions. When unset in `CopilotClientMode.CopilotCli`, the runtime default applies (enabled). In `CopilotClientMode.Empty`, defaults to disabled.
 - `OnPermissionRequest` - Optional handler called before each tool execution to approve or deny it. When omitted, permission requests are emitted as events and left pending for manual resolution. `PermissionHandler.ApproveAll` approves requests when managed settings are disabled and throws when `EnableManagedSettings` is true. Custom handlers can inspect `ManagedApprovalRequired` for human-facing confirmation logic. See [Permission Handling](#permission-handling) section.
 - `OnUserInputRequest` - Handler for user input requests from the agent (enables ask_user tool). See [User Input Requests](#user-input-requests) section.

go/README.md

@@ -198,7 +198,7 @@ Event types: `SessionLifecycleCreated`, `SessionLifecycleDeleted`, `SessionLifec
   When `Path` is empty for stdio/tcp, the SDK uses the bundled CLI (or `COPILOT_CLI_PATH` env var).
 
   `StdioConnection` and `TCPConnection` accept an optional connection-level `Env`. Set environment variables via **either** the client-level `Env` option or the connection's `Env`, not both (setting both panics); prefer the connection-level `Env`.
-- `WorkingDirectory` (string): Working directory for the runtime process
+- `WorkingDirectory` (string): Working directory for the runtime process (default: current process working directory)
 - `BaseDirectory` (string): Base directory for Copilot data (session state, config, etc.). Sets `COPILOT_HOME` on the spawned runtime. When empty, the runtime defaults to `~/.copilot`. Ignored with `URIConnection`. This does **not** affect where the Go SDK extracts the embedded CLI binary; use `embeddedcli.Config.Dir` for the extraction/cache location.
 - `LogLevel` (string): Log level. When empty (default), the runtime uses its own default level (the SDK does not pass `--log-level`).
 - `Env` ([]string): Environment variables for the runtime process (default: inherits from current process)
@@ -220,6 +220,7 @@ Event types: `SessionLifecycleCreated`, `SessionLifecycleDeleted`, `SessionLifec
 - `Provider` (\*ProviderConfig): Custom API provider configuration (BYOK). See [Custom Providers](#custom-providers) section.
 - `Streaming` (*bool): Enable streaming delta events (nil = runtime default)
 - `InfiniteSessions` (\*InfiniteSessionConfig): Automatic context compaction configuration
+- `WorkingDirectory` (string): Working directory for the session (default: runtime process working directory)
 - `EnableSessionStore` (\*bool): Enables the cross-session store for search and retrieval across sessions. When unset in `ModeCopilotCli`, the runtime default applies (enabled). In `ModeEmpty`, defaults to disabled.
 - `OnPermissionRequest` (PermissionHandlerFunc): Optional handler called before each tool execution to approve or deny it. When nil, permission requests are emitted as events and left pending for manual resolution. `copilot.PermissionHandler.ApproveAll` approves requests when managed settings are disabled and returns an error when `EnableManagedSettings` is true. Custom handlers can inspect `RequiresManagedApproval()` for human-facing confirmation logic. See [Permission Handling](#permission-handling) section.
 - `OnUserInputRequest` (UserInputHandler): Handler for user input requests from the agent (enables ask_user tool). See [User Input Requests](#user-input-requests) section.

java/README.md

@@ -127,6 +127,8 @@ and `setExcludedTools(...)`, prefer the source-qualified filter form
 `DefaultAgentConfig.setExcludedTools(...)`, use `<server-key>-<tool-name>`
 directly.
 
+`CopilotClientOptions.setCwd(...)` sets the runtime process working directory, which otherwise inherits the current process working directory. `SessionConfig.setWorkingDirectory(...)` sets the session working directory, which otherwise defaults to the runtime process working directory.
+
 ## Permission Handling
 
 `PermissionHandler.APPROVE_ALL` approves requests when managed settings are disabled. When `enableManagedSettings` is true, it completes exceptionally. Custom handlers can inspect `request.getManagedApprovalRequired()` for human-facing confirmation logic.

nodejs/README.md

@@ -135,6 +135,7 @@ Create a new conversation session.
 - `tools?: Tool[]` - Custom tools exposed to the CLI. Tools without `handler` are declaration-only and must be resolved via pending tool-call RPCs.
 - `systemMessage?: SystemMessageConfig` - System message customization (see below)
 - `infiniteSessions?: InfiniteSessionConfig` - Configure automatic context compaction (see below)
+- `workingDirectory?: string` - Working directory for the session (default: runtime process cwd).
 - `enableSessionStore?: boolean` - Enables the cross-session store for search and retrieval across sessions. When unset in `"copilot-cli"` mode, the runtime default applies (enabled). In `"empty"` mode, defaults to disabled.
 - `provider?: ProviderConfig` - Custom API provider configuration (BYOK - Bring Your Own Key). See [Custom Providers](#custom-providers) section.
 - `onPermissionRequest?: PermissionHandler` - Optional handler called before each tool execution to approve or deny it. When omitted, permission requests are emitted as events and left pending for manual resolution. `approveAll` approves requests when managed settings are disabled and throws when `enableManagedSettings` is true. Custom handlers can inspect `managedApprovalRequired` for human-facing confirmation logic. See [Permission Handling](#permission-handling) section.

python/README.md

@@ -279,6 +279,7 @@ These are passed as keyword arguments to `create_session()`:
 - `streaming` (bool): Enable streaming delta events
 - `provider` (ProviderConfig): Custom API provider configuration (BYOK). See [Custom Providers](#custom-providers) section.
 - `infinite_sessions` (InfiniteSessionConfig): Automatic context compaction configuration
+- `working_directory` (str | None): Working directory for the session (default: runtime process working directory).
 - `enable_session_store` (bool): Enables the cross-session store for search and retrieval across sessions. When unset in `"copilot-cli"` mode, the runtime default applies (enabled). In `"empty"` mode, defaults to disabled.
 - `on_permission_request` (callable): Optional handler called before each tool execution to approve or deny it. When omitted, permission requests are emitted as events and left pending for manual resolution. `PermissionHandler.approve_all` approves requests when managed settings are disabled and raises an error when `enable_managed_settings` is true. Custom handlers can inspect `managed_approval_required` for human-facing confirmation logic. See [Permission Handling](#permission-handling) section.
 - `on_user_input_request` (callable): Handler for user input requests from the agent (enables ask_user tool). See [User Input Requests](#user-input-requests) section.

rust/README.md

@@ -108,6 +108,8 @@ With the default `CliProgram::Resolve`, `Client::start()` resolves the CLI in th
 
 Created via `Client::create_session` or `Client::resume_session`. Owns an internal event loop that dispatches CLI callbacks to the focused handler traits you install on `SessionConfig`, and broadcasts session events through `subscribe()`.
 
+`SessionConfig::working_directory` sets the session working directory. When unset, the runtime uses its process working directory.
+
 ```rust,ignore
 use github_copilot_sdk::MessageOptions;