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Document purpose: Keep ISAC genuinely useful offline by giving GCF a compact, searchable local reference layer.

Document status: Architecture/design specification. Current implementation status is controlled by the roadmap and stage evidence.

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Core Principle

Internet access extends ISAC; it does not define whether ISAC is intelligent.

Knowledge Vault

Keep general reference, technical documentation, application manuals and adaptive cached knowledge on disk. Retrieve only small relevant passages into context.

Optional Content Tiers

• None
• Essential
• Standard
• Personalised
• Custom

The subsystem is core architecture, while actual knowledge packs remain optional.

Personalised Packs

Application scan and user profile may suggest packs such as programming, AI/ML, creator, gaming, office or networking.

Separation From Memory

Memory records what ISAC/user experienced or learned personally. The Knowledge Vault stores external reference knowledge.

Adaptive Cache

Repeatedly useful online information may be retained locally when GCF predicts future value. Cached items should store source, retrieval date, version/freshness class, confidence, last verification and expiry/revalidation policy.

Offline Behaviour

When offline, personality, GCF, local model, memory, skills, local tools and Knowledge Vault remain available. Live web/cloud providers and sync are marked unavailable, not treated as a system failure.