fix(config): remove obsolete maxDescendants config

src/config/schema/background-task.test.ts

@@ -27,30 +27,6 @@ describe("BackgroundTaskConfigSchema", () => {
     })
   })
 
-  describe("maxDescendants", () => {
-    describe("#given valid maxDescendants (50)", () => {
-      test("#when parsed #then returns correct value", () => {
-        const result = BackgroundTaskConfigSchema.parse({ maxDescendants: 50 })
-
-        expect(result.maxDescendants).toBe(50)
-      })
-    })
-
-    describe("#given maxDescendants below minimum (0)", () => {
-      test("#when parsed #then throws ZodError", () => {
-        let thrownError: unknown
-
-        try {
-          BackgroundTaskConfigSchema.parse({ maxDescendants: 0 })
-        } catch (error) {
-          thrownError = error
-        }
-
-        expect(thrownError).toBeInstanceOf(ZodError)
-      })
-    })
-  })
-
   describe("syncPollTimeoutMs", () => {
     describe("#given valid syncPollTimeoutMs (120000)", () => {
       test("#when parsed #then returns correct value", () => {

src/config/schema/background-task.ts

@@ -11,7 +11,6 @@ export const BackgroundTaskConfigSchema = z.object({
   providerConcurrency: z.record(z.string(), z.number().min(0)).optional(),
   modelConcurrency: z.record(z.string(), z.number().min(0)).optional(),
   maxDepth: z.number().int().min(1).optional(),
-  maxDescendants: z.number().int().min(1).optional(),
   /** Stale timeout in milliseconds - interrupt tasks with no activity for this duration (default: 180000 = 3 minutes, minimum: 60000 = 1 minute) */
   staleTimeoutMs: z.number().min(60000).optional(),
   /** Timeout for tasks that never received any progress update, falling back to startedAt (default: 1800000 = 30 minutes, minimum: 60000 = 1 minute) */