Rongsong Shen d9831b0bc8 feat(scheduler-allocation): implement the shared host-candidate iterator ... Adds host_iter.c: the one shared xce_host_iter_t implementation, lazily filtering sched->core.workers by select expression (sched_meet_host_selection, unchanged) and resource availability (sched_check_host_satisfy, unchanged), with a real cancellation point per candidate visited. xce_alloc_plan_t gains a ctx field (xce_sched_ctx_t*) so the iterator can reach the scheduler/select expression/staged resource-want -- additive to task 1.1's approved interface, NULL-guarded at init(). Test proves the core design property this spec exists to establish: a host too small for one search remains a valid candidate for a later, smaller search via a fresh iterator instance over the same worker set. Task 2.1 (scheduler-allocation spec). Requirements 3.1-3.6. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XYdtrEWWZfKRRGED7raEYg		2026-09-04 16:46:03 +00:00
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brief.md	docs(scheduler-allocation): approve requirements, add design and tasks	2026-09-04 12:59:39 +00:00
design.md	docs(scheduler-allocation): fix xce_host_iter_t.next() return type	2026-09-04 13:26:18 +00:00
requirements.md	docs(scheduler-allocation): fix xce_host_iter_t.next() return type	2026-09-04 13:26:18 +00:00
research.md	docs(scheduler-allocation): approve requirements, add design and tasks	2026-09-04 12:59:39 +00:00
spec.json	docs(scheduler-allocation): approve requirements, add design and tasks	2026-09-04 12:59:39 +00:00
tasks.md	feat(scheduler-allocation): implement the shared host-candidate iterator	2026-09-04 16:46:03 +00:00