feat(fetch): add conditional fetching with ETag and If-Modified-Since#80
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feat(fetch): add conditional fetching with ETag and If-Modified-Since#80
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Add if_none_match and if_modified_since fields to FetchRequest for conditional HTTP requests. Add etag field to FetchResponse. Handle 304 Not Modified responses (no content, no conversion). Fix redirect logic to not treat 304 as a redirect. Closes #74
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What
Support conditional HTTP fetching so agents can efficiently poll pages without re-downloading unchanged content.
Why
Agents frequently re-fetch the same URLs in loops. Conditional fetching avoids re-downloading and re-processing unchanged pages, saving bandwidth and time.
How
FetchRequestfields:if_none_match(ETag),if_modified_sinceFetchResponsefield:etag(returned on all responses)Risk
Checklist
Closes #74