v8.1.0

• ci: select native Python architecture per wheel target
• ci: use native Python on Windows ARM wheel builds
• ci: serialize Windows sandbox tests
• fix: wait for Moli install lock on Windows
• fix: assert platform-specific Moli archive names
• fix: make Moli extraction durable on Windows
• fix: keep Moli runtime tests portable
• fix: register SDK capability verification evidence
• release: prepare a3s-code v8.1.0
• feat: integrate Moli search and expose complete SDK capability surface
• chore(docs): format v8 guide table
• docs: record native sandbox ownership
• fix(node): pin current native sandbox revision
• docs: refresh Vec evidence after rebase
• fix(node): lock native sandbox dependency
• docs: record Vec shadow migration evidence
• feat: add A3S Vec workspace shadow
• fix(sdk): pin native sandbox in Python lock
• chore(sandbox): pin Windows output fix
• feat(core): install native sandbox by default
• docs: align site version banner
• docs: document native sandbox backend
• fix(sandbox): pin compatible native backend
• test(sandbox): use native Windows shell syntax
• fix(sandbox): pin verified native backend
• feat: replace SRT with native A3S sandbox
• fix(python): reject ambiguous native artifacts (#72)
• fix: harden agent runtime and immutable release contract (#69)
• fix(memory): synchronize checkpoint refresh tests
• fix(memory): harden refresh qualification
• fix(memory): stabilize refresh qualification gates
• perf(memory): qualify durable semantic refresh
• feat(memory): recover semantic index from SQLite
• feat: recover semantic refresh checkpoints
• feat: accelerate semantic refresh change detection
• feat: observe semantic refresh work
• feat: reuse verified semantic embeddings
• feat: skip unchanged semantic refreshes
• feat: schedule verified semantic refresh
• feat: fence semantic refresh revisions
• feat: verify semantic memory refresh
• feat: add verified semantic durable memory
• feat: harden durable memory across restarts
• feat: qualify explicit multi-agent memory sharing
• feat: qualify multilingual durable memory
• feat: make durable memory resume fail closed
• test: qualify durable memory product integration
• feat(sdk): expose memory maintenance health
• feat: add bounded relation memory recall
• feat: own memory maintenance lifecycle