- Core.VirtualTags-004: CoerceResult now covers every scalar
DriverDataType and throws on the default arm; Load rejects unsupported
declared types.
- Core.VirtualTags-006: Subscribe/Unsub prune empty observer-list
entries from _observers under the same lock with a reconfirm-on-add
race guard.
- Core.VirtualTags-007: rewrote TimerTriggerScheduler so each TickGroup
tracks an InFlight flag (Interlocked CAS); ticks that overlap a still-
running tick for the same group are skipped + counted.
- Core.VirtualTags-009: DirectDependencies / DirectDependents return a
shared static empty set on miss instead of allocating per call.
- Core.VirtualTags-010: corrected XML docs to reference the real engine
symbols (OnUpstreamChange, CascadeAsync, etc.) instead of phantom types.
- Core.VirtualTags-011: Load now rejects scripts whose declared Writes
target a non-registered virtual-tag path.
- Core.VirtualTags-013: DependencyCycleException renders SCC members as
a set rather than a fabricated arrow-traversal edge path.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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