docs(scheduler-allocator-runner): requirements, design and tasks; log bug-1892 and bug-1893

Requirements reviewed and revised (seqjob per-bucket reset, nslots/nhosts,
bug-1893 fix in the runner), design and 11-task plan generated and reviewed.
bug-1892: unsatisfy_() reads index-keyed uncommitted amounts by position.
bug-1893: allocators' shared pend-reason loop reads past the unmet list.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

.kiro/specs/scheduler-allocator-runner/spec.json

@@ -1,24 +1,24 @@
 {
   "feature_name": "scheduler-allocator-runner",
   "created_at": "2026-09-29T03:45:23Z",
-  "updated_at": "2026-09-29T04:07:44Z",
+  "updated_at": "2026-09-30T07:34:49Z",
   "language": "en",
-  "phase": "requirements-generated",
+  "phase": "tasks-generated",
   "approvals": {
     "requirements": {
       "generated": true,
-      "approved": false
+      "approved": true
     },
     "design": {
-      "generated": false,
-      "approved": false
+      "generated": true,
+      "approved": true
     },
     "tasks": {
-      "generated": false,
-      "approved": false
+      "generated": true,
+      "approved": true
     }
   },
-  "ready_for_implementation": false,
+  "ready_for_implementation": true,
   "gitea": {
     "milestone_id": 67,
     "issues": {