Add command-based worktree provisioning

packages/shared/src/types/workspace-runtime.ts

@@ -7,6 +7,8 @@ export interface ExecutionWorkspaceStrategy {
   baseRef?: string | null;
   branchTemplate?: string | null;
   worktreeParentDir?: string | null;
+  provisionCommand?: string | null;
+  teardownCommand?: string | null;
 }
 
 export interface ProjectExecutionWorkspacePolicy {

packages/shared/src/validators/issue.ts

@@ -7,6 +7,8 @@ const executionWorkspaceStrategySchema = z
     baseRef: z.string().optional().nullable(),
     branchTemplate: z.string().optional().nullable(),
     worktreeParentDir: z.string().optional().nullable(),
+    provisionCommand: z.string().optional().nullable(),
+    teardownCommand: z.string().optional().nullable(),
   })
   .strict();
 

packages/shared/src/validators/project.ts

@@ -7,6 +7,8 @@ const executionWorkspaceStrategySchema = z
     baseRef: z.string().optional().nullable(),
     branchTemplate: z.string().optional().nullable(),
     worktreeParentDir: z.string().optional().nullable(),
+    provisionCommand: z.string().optional().nullable(),
+    teardownCommand: z.string().optional().nullable(),
   })
   .strict();