feat(security): quarantined summarizer for high-risk content (Phase 3, #1195)#1243
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feat(security): quarantined summarizer for high-risk content (Phase 3, #1195)#1243
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…#1195) Dual LLM pattern: high-risk external content (web scrape, A2A) passes through an isolated, tool-less LLM extraction call that returns only factual information before entering the main agent context. - QuarantinedSummarizer with extract_facts() async method - [security.content_isolation.quarantine] config (opt-in, disabled by default) - Re-sanitize quarantine output: detect_injections + escape_delimiter_tags - Guard quarantine behind sanitizer.is_enabled() - quarantine_invocations/failures metrics in MetricsSnapshot - Refactor sanitizer.rs to sanitizer/{mod,quarantine}.rs - 22 new tests (3795 -> 3817) Closes #1204
Update untrusted-content-isolation.md with Dual LLM pattern section, re-sanitization details, quarantine config, and metrics. Add [security.content_isolation.quarantine] to configuration.md.
Add QuarantinedSummarizer (Dual LLM pattern) to root README defense-in-depth row and zeph-core README sanitizer module description.
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- Add `use crate::agent_setup` to daemon.rs and acp.rs (missing after Phase 3 wiring, only visible with --features full) - Box::pin run_acp_server/run_acp_http_server calls in runner.rs to satisfy clippy::large_futures (16 KiB+ future size)
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Summary
sanitizer.rsintosanitizer/{mod,quarantine}.rsmodule structure[security.content_isolation.quarantine]config section (opt-in, disabled by default)detect_injections+escape_delimiter_tagsbefore spotlightingsanitizer.is_enabled()to prevent unnecessary LLM callsquarantine_invocations/quarantine_failurescounters toMetricsSnapshotPart of #1195 (Phase 3). Closes #1204.
Test plan
cargo +nightly fmt --checkcleancargo clippy --workspace -- -D warningszero warningscargo nextest run --workspace --lib --bins3817 passed, 11 skippedshould_quarantinerouting,extract_factssuccess/error/empty,from_str_opt, system prompt contentescape_delimiter_tagsbefore spotlight, no raw content paths