docs: clarify how webcache composes with Anthropic prompt caching - #7
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theYahia wants to merge 1 commit into
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docs: clarify how webcache composes with Anthropic prompt caching#7theYahia wants to merge 1 commit into
theYahia wants to merge 1 commit into
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Adds a 'How this differs from Anthropic prompt caching' section answering the natural question of whether webcache duplicates server-side caching. They cache different layers: Anthropic = prompt-prefix tokens, ephemeral; webcache = WebFetch outputs, local SQLite, persistent. The two stack. Also notes that Claude Code subscription users still benefit from webcache even though Anthropic-side billing savings are invisible to flat-rate plans.
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Single-section README addition answering the natural question of whether claude-webcache duplicates Anthropic's server-side prompt cache. It does not — different layers, they stack:
Also clarifies that Claude Code subscription users still benefit (saves wall-clock time and message-turn budget even though per-token billing savings are flat-rate-invisible).
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