fix(core): enhance sandbox usability and fix build error (#24460)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

packages/core/src/services/sandboxManager.ts

@@ -57,6 +57,7 @@ export interface SandboxModeConfig {
   network?: boolean;
   approvedTools?: string[];
   allowOverrides?: boolean;
+  yolo?: boolean;
 }
 
 /**
@@ -140,6 +141,11 @@ export interface SandboxManager {
    * Parses the output of a command to detect sandbox denials.
    */
   parseDenials(result: ShellExecutionResult): ParsedSandboxDenial | undefined;
+
+  /**
+   * Returns the primary workspace directory for this sandbox.
+   */
+  getWorkspace(): string;
 }
 
 /**
@@ -238,6 +244,8 @@ export async function findSecretFiles(
  * through while applying environment sanitization.
  */
 export class NoopSandboxManager implements SandboxManager {
+  constructor(private options?: GlobalSandboxOptions) {}
+
   /**
    * Prepares a command by sanitizing the environment and passing through
    * the original program and arguments.
@@ -271,12 +279,18 @@ export class NoopSandboxManager implements SandboxManager {
   parseDenials(): undefined {
     return undefined;
   }
+
+  getWorkspace(): string {
+    return this.options?.workspace ?? process.cwd();
+  }
 }
 
 /**
  * A SandboxManager implementation that just runs locally (no sandboxing yet).
  */
 export class LocalSandboxManager implements SandboxManager {
+  constructor(private options?: GlobalSandboxOptions) {}
+
   async prepareCommand(_req: SandboxRequest): Promise<SandboxedCommand> {
     throw new Error('Tool sandboxing is not yet implemented.');
   }
@@ -292,6 +306,10 @@ export class LocalSandboxManager implements SandboxManager {
   parseDenials(): undefined {
     return undefined;
   }
+
+  getWorkspace(): string {
+    return this.options?.workspace ?? process.cwd();
+  }
 }
 
 /**