22 lines
2.7 KiB
Markdown
22 lines
2.7 KiB
Markdown
# AGENTS.md
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## Repo shape
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- Spec-only repo: `rfc.txt` (FRX — Federated Retrieval Exchange, Draft 0.3) is the entire content. No code, README, manifests, tests, CI, or build tooling — don't look for or invent build/lint/test commands.
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- `frxd` (Rust: tokio, tantivy, axum, ed25519-dalek) is planned in §7 but does not exist here; treat it as design intent, not current structure.
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## Editing the spec
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- Read all of `rfc.txt` before editing; it is the sole source of truth and is deliberately terse.
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- Keep the plain-text single-file format. Don't restructure into Markdown files unless asked.
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- Invariants I1–I9 (§2) are normative; proposals contradicting them (scores in responses, topic taxonomy, announce stream, dispute messages, replayable broadcast) are out of scope by design.
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- Appendix B (Purge Log) is normative: a rejected mechanism may only be re-proposed if the written rationale is addressed.
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- §10 Open Issues are known gaps, not oversights (e.g., signature canonicalization blocks Phase-1 interop). Check it before "fixing" something.
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- Use the spec's vocabulary — member/querier/responder, citations/receipts/aggregates, source/enrichment members — not client/server or search-engine terms.
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## Technical plans (deliberately not in the RFC)
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- Record plans here — not as spec edits — when they are implementation/demo choices rather than protocol surface.
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- Demo plan: build a useful end-to-end demo on GDELT and Common Crawl (CC-NEWS; sometimes called "OpenCrawl" in discussion) as enrichment members / backfill seeding. RFC §6 and Appendix A already name both as example derived corpora, so no new mechanisms are required; enrichment members are metadata-only exposure and sit outside the citation market.
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- Phase 1 remains the minimal two-node query/response demo (§7); the enrichment demo layers on top of it.
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- Language: Rust (settled, matches §7). Decided by the engine requirement, not preference: Tantivy gives in-process Lucene-class BM25 + incremental indexing; C/C++ embedded alternatives are worse (Xapian GPL-2+, CLucene unmaintained, SQLite FTS5 thin), plus single static musl binaries for the install story and memory safety on the untrusted network/crypto path. Don't re-litigate.
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- frxd modes (one binary, config toggles, no code required of publishers): querier (broadcast/local-first search), responder (match incoming queries against shared collections, sign), local index (watch dirs, extract text, explicit shared marking per I9). Use RFC terms querier/responder, not "subscriber/publisher".
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- Matching accuracy is a project-health concern: start lexical (Tantivy), plan a hybrid cheap lexical gate + optional local embedding rerank (two-stage ingestion, Appendix A); embedding model stays local and replaceable (I2/I5).
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