c59066949a
- Add Layered() method to Go SDK for per-source-class consensus queries - Add LayeredQueryParams, LayeredResult, TierResolution types to Go SDK - Create conflict example demonstrating Skeptic and Layered endpoints - Update quickstart.md with sections 6 (conflict detection) and 7 (authority tiers) - Remove tracked Go binary and add data/ to .gitignore The new quickstart sections demonstrate Episteme's differentiating features: - Skeptic endpoint shows "Trust but Verify" conflict analysis - Layered endpoint shows per-tier resolution (Clinical vs Anecdotal) Note: Pre-existing large files flagged by pre-commit hook (technical debt from prior sessions) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
662 lines
44 KiB
Markdown
662 lines
44 KiB
Markdown
# Episteme (StemeDB) Roadmap
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> **Goal:** Build the "Git for Truth" substrate for autonomous AI research.
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> **Current Phase:** Phase 4 (The Hive)
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> **Target Vertical:** BioTech/Pharma ("The Living Review")
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---
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## High-Level Timeline
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| Phase | Codename | Focus | Key Deliverable |
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| :--- | :--- | :--- | :--- |
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| **1** | **The Spine** | Storage & Safety | Append-only WAL + KV Store |
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| **2** | **The Lattice** | Indexing & Async | Materialized Views + Ballot Box |
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| **2.5** | **Hardening** | Camp 2 Fixes | MV staleness, epoch behavior, lens cleanup |
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| **3** | **The Pilot** | Vertical Integration | Pharma Ingestion + Living Review Agent |
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| **4** | **The Hive** | Trust & Learning | The Simulator + Super Curator |
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---
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## Detailed Milestones
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### Phase 1: The Spine (Foundation)
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*Goal: Securely ingest assertions and persist them without data loss.*
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- [x] **Project Scaffold**: Initialize Rust workspace, set up linting/CI (clippy, fmt).
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- [x] **Assertion Schema**: Define the `Assertion` struct with `rkyv` serialization.
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- [x] Add dependencies: `rkyv`, `blake3`, `ed25519-dalek`, `image_hasher`.
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- [x] Define `Assertion` struct (Subject, Predicate, Object, Confidence, SourceHash).
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- [x] **Multi-Sig Expansion**: Implement `SignatureEntry` struct and `signatures: Vec<SignatureEntry>` field.
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- [x] **Visual Expansion**: Add `visual_hash: Option<pHash>` field for image provenance.
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- [x] Test serialization round-trips.
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- [x] **Ballot Schema**: Define the `Vote` struct for multi-agent consensus.
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- [x] Add `Vote` struct: `assertion_hash`, `agent_id`, `weight`, `signature`.
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- [x] Test serialization round-trips.
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- [x] **Paradigm Schema (Epochs)**: Define the `Epoch` and `SupersessionType` structs.
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- [x] Add `epoch: Option<EpochId>` to `Assertion`.
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- [x] Implement `Epoch` struct with `supersedes` and `SupersessionType`.
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- [x] Test serialization round-trips.
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- [x] **WAL Integration**: Implement the Quarantine Pattern for write-ahead logging.
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- [x] Create `stemedb-wal` crate.
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- [x] Port `FsyncGuard` and `Record` logic from established durability patterns.
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- [x] Implement Record format with BLAKE3 checksums and Headers.
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- [x] Verify `fsync` behavior with tests.
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- [x] **Storage Engine**: Implement the `Store` trait using `sled` (embedded KV).
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- [x] Add `sled` dependency.
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- [x] Define `KVStore` trait (put, get, delete, scan_prefix, flush).
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- [x] Implement `SledStore` wrapper.
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- [x] **Basic Ingestor**: Background worker that tails WAL and writes to KV.
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- [x] Implement async loop reading from WAL.
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- [x] Write deserialized assertions, votes, and epochs to `sled`.
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- [x] Ed25519 signature verification during ingestion.
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- [x] Maintains S: and SP: indexes on ingest.
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- [x] Persistent cursor/checkpoint (resumes from `__CURSOR__:ingest` in KV store).
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- [x] **Verification**: Crash recovery tests (write -> crash -> restart -> read).
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- [x] Single and multi-record crash recovery.
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- [x] Multiple crash cycles tested.
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### Phase 2: The Lattice (Connectivity)
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*Goal: Query data with sub-millisecond latency using Materialized Views.*
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- [x] **Lifecycle Schema**: Add `LifecycleStage` to Assertion.
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- [x] Define enum: `Proposed`, `UnderReview`, `Approved`, `Deprecated`, `Rejected`.
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- [x] Update `Assertion` struct and serialization tests.
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- [x] **The Ballot Box**: Implement high-velocity vote ingestion.
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- [x] `VoteStore` trait and implementation.
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- [x] `VoteAwareConsensusLens` for real vote-based resolution.
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- [x] **Index Infrastructure**: Compound indexes for O(1) queries.
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- [x] `IndexStore` trait with S: and SP: indexes.
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- [x] `QueryEngine` smart routing (SP -> S -> scan).
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- [x] **Materializer**: Background worker for O(1) Read Performance.
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- [x] `MaterializedView` type in `stemedb-core`.
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- [x] `Materializer` worker in `stemedb-query` with `step()` and `run()`.
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- [x] Aggregates Votes via `VoteAwareConsensusLens` (or any `AsyncLens`).
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- [x] Updates `MV:{Subject}:{Predicate}` with the winning Assertion + metadata.
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- [x] Event-driven mode via `run_notified()` with `tokio::sync::Notify`.
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- [x] Fast-path MV lookup in `QueryEngine::try_fast_path()`.
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- [x] **The Meter**: Implement Economic Throttling (TAN).
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- [x] `QuotaStore` trait and `GenericQuotaStore` implementation.
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- [x] Token Bucket algorithm with per-agent per-hour quotas.
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- [x] `MeterLayer` tower middleware for request cost tracking.
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- [x] Cost model: Assert=10, Vote=1, Query=5+lens, +1/KB payload.
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- [x] `GET /v1/meter/quota` endpoint to check remaining quota.
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- [x] `POST /v1/meter/quota/limit` admin endpoint to set custom limits.
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- [x] **API Surface**: `axum` HTTP server with OpenAPI (utoipa).
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- [x] `POST /v1/assert` -> Accepts JSON, writes to WAL.
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- [x] `POST /v1/vote` -> High-throughput vote endpoint.
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- [x] `POST /v1/epoch` -> Create epoch with optional supersession.
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- [x] `GET /v1/query` -> Subject/Predicate/Lens/Lifecycle/Epoch filtering.
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- [x] `GET /v1/health` -> Health check with assertion count.
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- [x] `GET /swagger-ui` -> Interactive API docs.
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- [x] 5 lens types available: Recency, Consensus, Authority, VoteAwareConsensus, TrustAwareAuthority.
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- [x] **Query Audit**: Log every read with provenance.
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- [x] Define `QueryAudit` struct: query_id, agent_id, timestamp, params, result_hash, contributing_assertions.
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- [x] Storage at `AUD:{query_id}` with agent index at `AUDA:{agent_id}:{timestamp}:{query_id}`.
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- [x] `GET /v1/audit/queries` -> Returns history of agent decisions.
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- [x] `GET /v1/audit/query/{id}` -> Full reasoning trace for a single query.
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- [x] Auto-logging on every query via `X-Agent-Id` header.
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### Phase 2.5: Hardening (Camp 2 Fixes)
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*Goal: Close the gaps between "built" and "works right." Every item here addresses a feature that exists but doesn't fully deliver on its promise.*
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- [x] **2.1 MV Staleness Detection**: Make the fast-path aware of stale materialized views.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] Added `max_stale: Option<u64>` to `Query` struct in `crates/stemedb-query/src/query.rs`.
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- [x] Added `.max_stale(secs)` builder method to `QueryBuilder`.
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- [x] In `try_fast_path()`: if `query.max_stale` is set and MV age exceeds threshold, falls through to slow path with `debug!` log.
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- [x] Added `max_stale` to API `QueryParams` DTO in `crates/stemedb-api/src/dto.rs`.
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- [x] Wired through query handler in `crates/stemedb-api/src/handlers/query.rs`.
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- **Tests:**
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- [x] `test_fast_path_stale_view_falls_back`: MV 1000 seconds old, `max_stale = 60` → slow path used.
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- [x] `test_fast_path_fresh_view_used`: Fresh MV, `max_stale = 300` → fast path used.
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- [x] `test_fast_path_no_max_stale_always_uses_mv`: No `max_stale` → any MV age accepted (backward compatible).
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- [x] `test_fast_path_max_stale_zero_rejects_old_mv`: `max_stale = 0`, MV 1 second old → slow path.
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- [x] `test_fast_path_max_stale_zero_accepts_brand_new_mv`: `max_stale = 0`, brand new MV → fast path.
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- [x] **2.2 AuthorityLens -> ConfidenceLens Rename**: Eliminate the misleading name.
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- **Problem:** `AuthorityLens` selects by `confidence` field, not by agent reputation. `TrustAwareAuthorityLens` is the real authority lens. The name creates confusion about what "Authority" means.
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- **Solution implemented:**
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- [x] Renamed `authority.rs` → `confidence.rs`, `AuthorityLens` → `ConfidenceLens`
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- [x] Added `LensDto::Confidence` for the confidence-field selector
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- [x] Changed `LensDto::Authority` to route to `TrustAwareAuthorityLens` (the real authority lens)
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- [x] Updated query handler routing
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- [x] Updated ai-lookup/services/lens.md and skill documentation
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- [x] **2.3 EpochAwareLens**: Give epoch supersession runtime behavior.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] `EpochAwareLens` in `crates/stemedb-lens/src/epoch_aware.rs`
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- [x] Decorator pattern wrapping any inner lens (default: RecencyLens)
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- [x] Walks supersession chain from `E:{epoch_id}` keys
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- [x] Cycle detection + max depth guard (100)
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- [x] Fail-open on missing epochs
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- [x] `LensDto::EpochAware` added to API
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- [x] 11 tests: excludes_superseded, chain_supersession, no_epochs_passes_all, missing_epoch_includes, cycle_detection, consensus_lens_inner, mixed_epochs, etc.
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- [x] Documentation updated in `ai-lookup/services/lens.md`
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- **Known Limitation:** Filtering only occurs when assertions from the superseding epoch are present in candidates. If all candidates are from old epoch (no new epoch assertions), they pass through (fail-open behavior).
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- [x] **2.4 Visual Hash Query Support**: Make the stored `visual_hash` queryable.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] `hamming_distance(a: &PHash, b: &PHash) -> u32` in `crates/stemedb-query/src/query.rs` (lines 26-28)
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- [x] `visual_near: Option<String>` and `visual_threshold: Option<u32>` in `Query` struct (lines 84-90)
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- [x] `.visual_near(hash, threshold)` builder method
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- [x] `Query::matches()` computes hamming distance when `visual_near` is set
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- [x] API `QueryParams` DTO has `visual_near` and `visual_threshold`
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- [x] 10+ tests: exact_match, within_threshold, exceeds_threshold, skips_without_hash, invalid_hex, wrong_length, combines_with_subject, default_threshold, max_threshold, threshold_63_rejects
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- **Note:** Brute-force O(N) scan. VP-tree/BK-tree index is Phase 3+.
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- [x] **2.5 Vector Field**: No changes needed. Already roadmapped for Phase 3.
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- **Status:** ✅ N/A (No Phase 2 work required)
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- **Current state:** `vector: Option<Vec<f32>>` on `Assertion`. Stored and returned by API. No index, no search.
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- **Phase 3 plan:** Integrate `hnsw-rs` or `lance` for k-NN search.
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- [x] **2.6 E2E Integration Test (Write -> Materialize -> Read)**: Prove the full pipeline works end-to-end.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] `crates/stemedb-query/tests/e2e_pipeline.rs` with 5 comprehensive tests:
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- `test_e2e_write_materialize_read` - Basic happy path
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- `test_e2e_vote_consensus` - Vote-weighted resolution
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- `test_e2e_update_winner` - Winner changes on re-materialize
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- `test_e2e_cursor_persistence` - Cursor survives worker restart
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- `test_e2e_notify_integration` - Event-driven notification channel
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- [x] `stemedb-wal` and `stemedb-ingest` added as dev-dependencies
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- [x] Helper functions: `create_signed_assertion()`, `compute_assertion_hash()`, `create_vote()`
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- [x] Uses Ed25519 signing for authentic signature verification
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- [x] Also: `crates/stemedb-api/tests/e2e_flow_test.rs` tests the HTTP API layer end-to-end.
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### Phase 3: The Pilot (BioTech/Pharma)
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*Goal: Prove value in the "High-Liability" beachhead. Close every Camp 4 gap that blocks a credible demo.*
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#### 3A. Schema Expansion (Prerequisite for everything below)
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- [x] **3A.1 Source-Class Field**: Add `source_class: SourceClass` to Assertion.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] `SourceClass` enum in `crates/stemedb-core/src/types.rs` (lines 68-88).
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- [x] 6-tier system: `Regulatory` (0), `Clinical` (1), `Observational` (2), `Expert` (3), `Community` (4), `Anecdotal` (5).
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- [x] `tier()` method returns tier number for ordering.
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- [x] `default_decay_days()` method for tier-specific confidence decay.
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- [x] `authority_weight()` method for conflict resolution weighting.
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- [x] Field on `Assertion` struct at line 152.
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- [x] Full serialization and indexing support.
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- [x] **3A.2 Conflict Score on Resolution**: Add `conflict_score: f32` to Resolution.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] Added `conflict_score: f32` field to `Resolution` in `crates/stemedb-lens/src/traits.rs`.
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- [x] Updated `Resolution::empty()` to set `conflict_score: 0.0`.
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- [x] Updated `Resolution::with_winner()` to accept `conflict_score` parameter.
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- [x] Added `compute_conflict_score(candidates: &[Assertion]) -> f32` utility function:
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- Uses normalized variance of confidence values.
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- 0 or 1 candidates → 0.0 (no conflict possible).
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- All same confidence → 0.0 (unanimous).
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- Max variance (0.0 vs 1.0) → 1.0 (maximum conflict).
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- Defensive NaN handling (returns 0.0 for malformed data).
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- [x] Updated all lens implementations to compute and pass conflict score:
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- `crates/stemedb-lens/src/recency.rs`
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- `crates/stemedb-lens/src/consensus.rs`
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- `crates/stemedb-lens/src/confidence.rs`
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- `crates/stemedb-lens/src/vote_aware_consensus.rs`
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- `crates/stemedb-lens/src/trust_aware_authority.rs`
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- [x] Added `conflict_score: f32` to `MaterializedView` in `crates/stemedb-core/src/types.rs`.
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- [x] Updated `Materializer::materialize_pair()` to write `conflict_score` from resolution.
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- [x] Added `conflict_score: Option<f32>` and `resolution_confidence: Option<f32>` to `QueryResponse` DTO in `crates/stemedb-api/src/dto.rs` (only present when lens is applied).
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- [x] Wired through query handler in `crates/stemedb-api/src/handlers/query.rs`.
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- **Tests:**
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- [x] `test_conflict_score_zero_for_empty`: Empty candidates → 0.0.
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- [x] `test_conflict_score_zero_for_single`: 1 candidate → 0.0.
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- [x] `test_conflict_score_zero_for_agreement`: All same confidence → near 0.0.
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- [x] `test_conflict_score_high_for_disagreement`: Candidates at 0.1, 0.5, 0.9 → score > 0.3.
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- [x] `test_conflict_score_max_for_extremes`: 0.0 vs 1.0 → score ≈ 1.0.
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- [x] `test_conflict_score_handles_nan_defensively`: NaN confidences → 0.0 (fail-safe).
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- [x] **3A.3 Rich Source Metadata**: Add structured provenance beyond `source_hash`.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] Added `source_metadata: Option<Vec<u8>>` field to `Assertion` in `crates/stemedb-core/src/types.rs` (after `epoch`, before `lifecycle`).
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- [x] Uses `Vec<u8>` (not `String`) for rkyv zero-copy compatibility. Callers encode/decode JSON on their side.
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- [x] Added `source_metadata: Option<Vec<u8>>` to `AssertionBuilder` in `crates/stemedb-core/src/testing.rs`.
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- [x] Added `.source_metadata_json(json: &str)` and `.source_metadata(bytes)` builder methods.
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- [x] Added `source_metadata: Option<String>` to `CreateAssertionRequest` DTO (JSON string in API, converted to bytes internally).
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- [x] Added `source_metadata: Option<String>` to `AssertionResponse` DTO (bytes converted to JSON string with defensive UTF-8 handling).
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- [x] Wired through create handler (`dto_to_assertion()`) and query handler (`assertion_to_dto()`).
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- **Tests:**
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- [x] `test_serialize_deserialize_assertion_with_metadata`: Serialization roundtrip with metadata present.
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- [x] `test_serialize_deserialize_assertion_without_metadata`: Serialization roundtrip with metadata absent.
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- **Note:** Metadata is stored but NOT indexed in Phase 3. Indexing individual metadata fields is Phase 4+.
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#### 3B. Time & Decay (Core Query Features)
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- [x] **3B.1 Time-Travel Engine**: `as_of` parameter for historical queries.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] Added `as_of: Option<u64>` to `Query` struct in `crates/stemedb-query/src/query.rs:92-99`.
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- [x] Added `.as_of(timestamp: u64)` to `QueryBuilder`.
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- [x] In `Query::matches()`: if `as_of` is `Some(ts)`, check `assertion.timestamp <= ts`. Assertions created after `as_of` are excluded.
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- [x] In `QueryEngine::execute()`: if `query.as_of` is set, **skip the fast path entirely** (MVs reflect current state, not historical).
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- [x] Added `as_of: Option<u64>` to `QueryParams` DTO in `crates/stemedb-api/src/dto.rs`.
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- [x] Wired through query handler.
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- **Tests:**
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- [x] `test_as_of_excludes_future_assertions`: Assertions filtered by timestamp.
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- [x] `test_as_of_bypasses_fast_path`: MV exists, but `as_of` is set. Slow path used.
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- [x] `test_as_of_none_uses_fast_path`: Normal query still uses fast path (backwards-compatible).
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- [x] `test_as_of_with_lens_resolves_among_historical_candidates`: Time-travel + lens = resolve only among pre-as_of candidates.
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- [x] `test_as_of_returns_empty_when_all_assertions_are_future`: All assertions are future, returns empty.
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- [x] `test_as_of_with_exact_timestamp_match`: Edge case where assertion.timestamp == as_of.
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- [x] **3B.2 Semantic Decay**: Confidence Half-Life at query time.
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- **Status:** ✅ COMPLETE
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- **Implementation:**
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- [x] Added `decay_halflife: Option<u64>` to `Query` struct in `crates/stemedb-query/src/query.rs`.
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- [x] Added `.decay_halflife(seconds: u64)` and `.source_class_decay(enabled: bool)` to `QueryBuilder`.
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- [x] Added `decay_halflife` and `source_class_decay` to `QueryParams` DTO.
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- [x] Created new `crates/stemedb-query/src/decay.rs` module with:
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- `apply_decay()`: Uniform decay using formula `confidence * 2^(-(age / halflife))`.
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- `apply_source_class_decay()`: Tier-specific decay (Regulatory=none, Clinical=2yr, Anecdotal=30d).
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- `compute_decayed_confidence()`: Core decay calculation with clamping.
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- [x] Integrated in `QueryEngine::execute()`: decay applied after filtering, before lens resolution.
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- [x] Time-travel compatible: uses `as_of` timestamp if set, otherwise current time.
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- [x] Source-class-aware decay fully implemented using `SourceClass::default_decay_days()`.
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- **Tests:** (11 unit tests in decay.rs + 1 E2E test)
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- [x] `test_decay_reduces_old_assertion_confidence`: 1yr old, 1yr halflife → ~50% confidence.
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- [x] `test_decay_preserves_fresh_assertions`: 1hr old, 1yr halflife → ~100% confidence.
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- [x] `test_decay_interacts_with_lens`: Older high-confidence loses to newer low-confidence after decay.
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- [x] `test_source_aware_decay_tier0_no_decay`: Regulatory never decays.
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- [x] `test_source_aware_decay_tier5_rapid_decay`: Anecdotal decays rapidly (30-day halflife).
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- [x] `test_source_aware_decay_mixed_tiers`: Clinical vs Anecdotal tier comparison.
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- [x] `test_decay_zero_halflife_no_change`: Zero halflife skips decay (avoids div-by-zero).
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- [x] `test_decay_future_assertion_no_change`: Future assertions don't decay.
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- [x] `test_decay_empty_assertions`: Empty input returns empty output.
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- [x] `test_decay_confidence_clamps_to_valid_range`: Very old assertions clamp to [0.0, 1.0].
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- [x] `test_decay_preserves_other_fields`: Only confidence changes; other fields preserved.
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- [x] `test_e2e_decay_reduces_old_confidence`: Full pipeline E2E test in e2e_pipeline.rs.
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- **Note:** When decay is enabled, materialized views (fast path) are bypassed because MVs store pre-computed winners without decay applied.
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#### 3C. New Lenses
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- [x] **3C.1 Skeptic Lens**: Surface disagreement, not winners. ✅ **COMPLETED**
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] `crates/stemedb-lens/src/skeptic.rs` - Full implementation.
|
|
- [x] `AnalysisLens` trait for lenses that analyze conflict instead of resolving it.
|
|
- [x] `SkepticLens` uses normalized Shannon entropy for conflict scoring.
|
|
- [x] Returns `ConflictAnalysis` with:
|
|
- `conflict_score: f32` (0.0 = unanimous, 1.0 = chaos)
|
|
- `status: ResolutionStatus` (Unanimous, Agreed, Contested)
|
|
- `claims: Vec<ClaimSummary>` - all claims ranked by weight
|
|
- [x] `SkepticResolver` + `SkepticView` in `stemedb-query/src/skeptic.rs`.
|
|
- [x] `GET /v1/skeptic?subject=X&predicate=Y` API endpoint.
|
|
- [x] Core types in `stemedb-core/src/types.rs`:
|
|
- `ResolutionStatus` enum
|
|
- `ConflictAnalysis` struct
|
|
- `ClaimSummary`, `SourceSummary`, `AgentSummary`
|
|
- [x] Comprehensive test coverage (21 test cases).
|
|
|
|
- [x] **3C.2 Layered Consensus Lens**: Per-source-class consensus.
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] `crates/stemedb-lens/src/layered_consensus.rs` - Full implementation.
|
|
- [x] `TierResolution` struct: per-tier result with tier, source_class, winner, candidates_count, conflict_score, resolution_confidence.
|
|
- [x] `LayeredResolution` struct: multi-tier result with tiers vec, overall_winner, overall_conflict_score, total_candidates.
|
|
- [x] `LayeredLens` trait: `resolve_layered(&[Assertion]) -> LayeredResolution`, `name() -> &'static str`.
|
|
- [x] `LayeredConsensusLens` implements both `LayeredLens` and `Lens` traits.
|
|
- [x] Cross-tier conflict score uses normalized Shannon entropy of tier winner object values.
|
|
- [x] `LensDto::LayeredConsensus` variant (redirects to `/v1/layered` endpoint).
|
|
- [x] `GET /v1/layered?subject=X&predicate=Y` API endpoint with `LayeredQueryResponse`.
|
|
- [x] Exported from `crates/stemedb-lens/src/lib.rs`.
|
|
- **Tests:**
|
|
- [x] `test_layered_empty_candidates`: Empty input returns empty resolution.
|
|
- [x] `test_layered_single_tier`: All same source_class, returns one tier result.
|
|
- [x] `test_layered_multi_tier_agreement`: Tier 0 and Tier 5 agree, low cross-tier conflict.
|
|
- [x] `test_layered_multi_tier_disagreement`: Tier 1 vs Tier 5 disagree, high conflict, Tier 1 wins.
|
|
- [x] `test_layered_overall_winner_from_highest_authority`: Tier 0 wins despite fewer assertions.
|
|
- [x] `test_layered_lens_trait_compatibility`: Standard Lens trait works.
|
|
- [x] `test_layered_within_tier_conflict`: High internal conflict within a tier.
|
|
- [x] `test_layered_all_tiers_present`: One assertion from each tier.
|
|
- [x] `test_layered_lens_name`: Both trait names work.
|
|
- [x] `test_layered_numeric_values`: Works with numeric object values.
|
|
|
|
- [x] **3C.3 Constraints Lens**: Pre-flight check for must_use/forbidden.
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] `crates/stemedb-lens/src/constraints.rs` - Full implementation.
|
|
- [x] `ConstraintSet` struct: holds categorized assertions (must_use, forbidden, prefer) with conflict_score.
|
|
- [x] `ConstraintsLens` struct with `resolve_constraints(&[Assertion]) -> ConstraintSet` method.
|
|
- [x] Categorizes by predicate pattern: `must_use:*`, `forbidden:*`, `prefer:*`.
|
|
- [x] Implements `Lens` trait for compatibility (priority: must_use > forbidden > prefer).
|
|
- [x] Sorted by confidence (highest first), with timestamp as tiebreaker.
|
|
- [x] `LensDto::Constraints` added (redirects to `/v1/constraints` endpoint).
|
|
- [x] `GET /v1/constraints?subject=X` API endpoint with `ConstraintsResponse`.
|
|
- [x] DTOs: `ConstraintsQueryParams`, `ConstraintEntryDto`, `ConstraintsResponse`.
|
|
- [x] Exported from `crates/stemedb-lens/src/lib.rs`.
|
|
- **Tests:** (16 test cases)
|
|
- [x] `test_constraints_categorizes_by_predicate`: Mixed predicates sorted into must_use/forbidden/prefer.
|
|
- [x] `test_constraints_empty_categories`: Only prefer, no must_use/forbidden.
|
|
- [x] `test_constraints_non_constraint_predicates_ignored`: Regular predicates filtered out.
|
|
- [x] `test_constraints_sorted_by_confidence`: Within-category confidence ordering.
|
|
- [x] `test_constraints_empty_candidates`: Empty input returns empty set.
|
|
- [x] `test_constraints_has_constraints_true`: Helper method works.
|
|
- [x] `test_constraints_all_regular_predicates`: All non-constraint predicates returns no constraints.
|
|
- [x] `test_lens_trait_picks_must_use_winner`: Standard Lens trait picks must_use first.
|
|
- [x] `test_lens_trait_falls_back_to_forbidden`: Falls back to forbidden when no must_use.
|
|
- [x] `test_lens_trait_falls_back_to_prefer`: Falls back to prefer when no must_use/forbidden.
|
|
- [x] `test_lens_trait_empty_for_no_constraints`: Returns empty when no constraint predicates.
|
|
- [x] `test_lens_name`: Name returns "Constraints".
|
|
- [x] `test_lens_empty_candidates`: Empty input to Lens trait returns empty resolution.
|
|
- [x] `test_multiple_must_use_picks_highest_confidence`: Multiple must_use picks highest confidence.
|
|
- [x] `test_confidence_tiebreaker_uses_timestamp`: Same confidence uses newer timestamp.
|
|
- [x] `test_predicate_pattern_exact_prefix`: `must_use_something` not matched (only `must_use:*`).
|
|
|
|
#### 3D. Epoch Enhancement
|
|
|
|
- [x] **3D.1 Epoch Cascade Logic** (enhancement of Phase 2.5 EpochAwareLens):
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] `write_supersession_cascade()` in `crates/stemedb-ingest/src/worker.rs`:
|
|
- Writes `SUPERSEDED:{old_epoch_id}` markers for full transitive closure.
|
|
- All markers point to the LATEST superseding epoch.
|
|
- Max depth guard (100 levels) and cycle detection via visited set.
|
|
- [x] `is_epoch_superseded()` in `crates/stemedb-lens/src/epoch_aware.rs`:
|
|
- O(1) marker lookup instead of O(chain_length) chain walks.
|
|
- Fail-open semantics: missing marker = not superseded.
|
|
- [x] `compute_superseded_epochs()` uses marker lookups for filtering.
|
|
- **Tests:**
|
|
- [x] `test_cascade_writes_superseded_marker`: Epoch B supersedes A → `SUPERSEDED:A` exists.
|
|
- [x] `test_cascade_transitive`: C→B→A chain → both `SUPERSEDED:A` and `SUPERSEDED:B` point to C.
|
|
- [x] `test_cascade_cycle_detection`: Mutual supersession handled gracefully.
|
|
- [x] `test_epoch_aware_uses_marker`: EpochAwareLens uses O(1) marker lookup.
|
|
- [x] `test_superseded_epoch_filtered_even_without_new_assertions`: Marker-based filtering works.
|
|
|
|
#### 3E. Similarity Search
|
|
|
|
- [x] **3E.1 Vector Search**: Semantic k-NN queries via embeddings.
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] Added `hnsw_rs = "0.3"` and `parking_lot = "0.12"` to `stemedb-storage/Cargo.toml`.
|
|
- [x] New module: `crates/stemedb-storage/src/vector_index.rs`.
|
|
- [x] `VectorIndex` trait: `insert(hash: &Hash, vector: &[f32])`, `search(query: &[f32], k: usize) -> Vec<(Hash, f32)>`, `dimension()`, `len()`, `is_empty()`.
|
|
- [x] `HnswVectorIndex` implementation with HNSW graph, RwLock protection, hash↔ID mappings.
|
|
- [x] Input validation: dimension mismatch, NaN, Infinite values rejected.
|
|
- [x] Idempotent insert (same hash twice = no-op).
|
|
- [x] `Arc<dyn VectorIndex>` trait object support for sharing.
|
|
- [x] `IngestWorker::with_vector_index()` builder method for index attachment.
|
|
- [x] IngestWorker: if assertion has `vector`, inserts into vector index after KV write.
|
|
- [x] Added `vector_near: Option<Vec<f32>>` and `k: Option<usize>` to `Query` struct in `crates/stemedb-query/src/query.rs`.
|
|
- [x] Added `.vector_near(vector, k)` builder method to `QueryBuilder`.
|
|
- [x] Added `vector_near` and `k` to API `QueryParams` DTO.
|
|
- [x] `QueryEngine::with_vector_index()` builder method for index attachment.
|
|
- [x] QueryEngine: if `vector_near` is set and index configured, uses O(log N) HNSW lookup for candidates.
|
|
- [x] Falls back to standard path if no index configured (with debug log).
|
|
- **Tests:** (12 unit tests for VectorIndex + 4 integration tests in engine.rs)
|
|
- [x] `test_create_index`, `test_insert_and_search`, `test_dimension_mismatch`.
|
|
- [x] `test_idempotent_insert`, `test_search_empty_index`, `test_search_k_zero`.
|
|
- [x] `test_nan_rejection`, `test_infinite_rejection`, `test_contains`.
|
|
- [x] `test_larger_scale` (100 vectors, exact match first), `test_custom_params`, `test_zero_dimension_panics`.
|
|
- [x] `test_vector_search_returns_nearest_neighbors`, `test_vector_search_with_subject_filter`.
|
|
- [x] `test_vector_search_without_index_falls_back`, `test_vector_search_with_as_of_filter`.
|
|
- **Note:** Index is in-memory only. Persistence is Phase 4+.
|
|
|
|
- [x] **3E.2 Visual Hash Index**: BK-tree for O(log N) visual similarity.
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] New module: `crates/stemedb-storage/src/visual_index.rs`.
|
|
- [x] `VisualIndex` trait: `insert(hash: &Hash, phash: &PHash)`, `search(query: &PHash, threshold: u32) -> Vec<(Hash, u32)>`, `len()`, `is_empty()`.
|
|
- [x] `BkTreeVisualIndex` implementation using BK-tree over hamming distance.
|
|
- [x] `hamming_distance(a: &PHash, b: &PHash) -> u32` utility function.
|
|
- [x] Threshold clamped to 0-64 range (max 64 bits).
|
|
- [x] Results sorted by distance ascending.
|
|
- [x] Idempotent insert (same hash twice = no-op).
|
|
- [x] `Arc<dyn VisualIndex>` trait object support for sharing.
|
|
- [x] `IngestWorker::with_visual_index()` builder method for index attachment.
|
|
- [x] IngestWorker: if assertion has `visual_hash`, inserts into BK-tree after KV write.
|
|
- [x] `QueryEngine::with_visual_index()` builder method for index attachment.
|
|
- [x] QueryEngine: if `visual_near` is set and index configured, uses O(log N) BK-tree lookup.
|
|
- [x] Falls back to brute-force scan (via `query.matches()`) if no index configured.
|
|
- [x] Invalid hex input returns `QueryError::InvalidInput` with clear message.
|
|
- **Tests:** (14 unit tests for VisualIndex + 6 integration tests in engine.rs)
|
|
- [x] `test_hamming_distance_zero`, `test_hamming_distance_max`, `test_hamming_distance_partial`.
|
|
- [x] `test_create_index`, `test_insert_and_search_exact`, `test_search_within_threshold`.
|
|
- [x] `test_search_no_matches`, `test_search_empty_index`, `test_idempotent_insert`.
|
|
- [x] `test_contains`, `test_results_sorted_by_distance`, `test_threshold_clamped_to_64`.
|
|
- [x] `test_larger_scale` (1000 hashes), `test_default_impl`.
|
|
- [x] `test_visual_search_returns_similar_images`, `test_visual_search_with_lifecycle_filter`.
|
|
- [x] `test_visual_search_invalid_hex_returns_error`, `test_visual_search_without_index_uses_brute_force`.
|
|
- [x] `test_visual_search_with_limit`, `test_vector_search_empty_index`.
|
|
- **Note:** Index is in-memory only. Persistence is Phase 4+.
|
|
|
|
#### 3F. Provenance
|
|
|
|
- [x] **3F.1 Source Document Storage & Provenance Lookup**: Enable 100% citation recall.
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] `POST /v1/source` endpoint to store source documents by BLAKE3 content hash.
|
|
- [x] `GET /v1/provenance/{hash}` endpoint to retrieve source documents by hash.
|
|
- [x] Source storage at `SRC:{hash}` keys with format: `[content_type_len:4][content_type][content]`.
|
|
- [x] Base64 encoding for binary-safe JSON transport.
|
|
- [x] 10MB size limit per document.
|
|
- [x] Content-addressed storage: same content → same hash (idempotent uploads).
|
|
- [x] DTOs: `StoreSourceRequest`, `StoreSourceResponse`, `ProvenanceResponse`.
|
|
- [x] OpenAPI documentation under "provenance" tag.
|
|
- **Tests:** (5 test cases)
|
|
- [x] `test_store_and_retrieve_source`: Happy path store + retrieve.
|
|
- [x] `test_store_source_invalid_base64`: Bad base64 → 400.
|
|
- [x] `test_get_provenance_not_found`: Unknown hash → 404.
|
|
- [x] `test_get_provenance_invalid_hash`: Bad hash format → 400.
|
|
- [x] `test_store_source_idempotent`: Same content twice → same hash.
|
|
- **Note:** Benchmark utility for verifying all assertions have retrievable sources is future work.
|
|
|
|
#### 3G. API Cleanup
|
|
|
|
- [x] **3G.1 Document epoch supersession via existing endpoint**: No new `/epoch/supersede` endpoint needed.
|
|
- **Status:** ✅ COMPLETE
|
|
- **Implementation:**
|
|
- [x] Updated use case docs (consumer-health-intelligence.md, glp1-living-review.md) to use `POST /v1/epoch` with `supersedes` field.
|
|
- [x] Added OpenAPI examples showing both new epoch and supersession flows in handlers/epoch.rs.
|
|
- [x] Documented all 5 supersession types: Invalidate, Temporal, Refinement, RequiresReview, Additive.
|
|
- **No code change.** Documentation fix only.
|
|
|
|
### Phase 4: The Hive (Trust & Scale)
|
|
*Goal: Change tracking, metadata indexing, and the database primitives for training pipelines.*
|
|
|
|
- [x] **TrustRank Engine**: Foundation for trust-based resolution.
|
|
- [x] `TrustRankStore` for per-agent reputation storage.
|
|
- [x] `TrustAwareAuthorityLens` for reputation-weighted resolution.
|
|
- [x] **Confidence Half-Life**: Implement decay calculation engine.
|
|
- [x] Learning loop: `record_outcome()` for accuracy tracking.
|
|
|
|
- [ ] **4.1 "Since" Parameter**: Change tracking for returning consumers.
|
|
- **Problem:** Consumer Health shows `GET /query?since=2023-10-01` returning `changes_since_query` with dated change entries. The "returning consumer" story: "What changed since I last looked?"
|
|
- **Depends on:** Time-Travel (3B.1) and Materializer.
|
|
- [ ] Add `since: Option<u64>` to `Query` struct and `QueryBuilder` in `crates/stemedb-query/src/query.rs`.
|
|
- [ ] Add `since` to `QueryParams` DTO.
|
|
- [ ] **MV Changelog**: Track when materialized views change.
|
|
- [ ] New key pattern: `MVC:{subject}:{predicate}:{timestamp}` storing the previous winner hash and new winner hash.
|
|
- [ ] In `Materializer::materialize_pair()` at `materializer.rs:164`: before overwriting MV, read the existing MV. If the winner changed (different assertion hash), write a changelog entry.
|
|
- [ ] In QueryEngine: if `since` is set, scan `MVC:{subject}:{predicate}:*` for entries with timestamp > since. Return these as a `changes_since` list alongside the normal query result.
|
|
- [ ] New response field on `QueryResponse`:
|
|
```rust
|
|
pub struct ChangeEntry {
|
|
pub timestamp: u64,
|
|
pub previous_winner_hash: Option<String>,
|
|
pub new_winner_hash: String,
|
|
}
|
|
```
|
|
Add `changes_since: Option<Vec<ChangeEntry>>` to `QueryResponse` DTO.
|
|
- [ ] Tests:
|
|
- [ ] `test_since_returns_changes`: Materialize, change winner, re-materialize. Query with `since` returns the change.
|
|
- [ ] `test_since_no_changes`: No MV changes since timestamp. Empty changes list.
|
|
- [ ] `test_since_multiple_changes`: 3 winner changes over time. All returned in order.
|
|
|
|
- [ ] **4.2 Source Metadata Indexing** (extension of 3A.3): Index key metadata fields.
|
|
- **Problem:** Phase 3 stores `source_metadata` as an opaque blob. Phase 4 makes key fields queryable.
|
|
- **Depends on:** Rich Source Metadata (3A.3).
|
|
- [ ] Define a set of indexed metadata keys: `journal`, `doi`, `platform`, `study_design`.
|
|
- [ ] New key pattern: `SM:{field}:{value}:{assertion_hash}` for metadata field indexes.
|
|
- [ ] IngestWorker: on ingestion, if `source_metadata` is present, parse JSON, extract indexed fields, write index entries.
|
|
- [ ] Add metadata field filters to `QueryParams` (e.g., `?source_journal=NEJM`).
|
|
- [ ] Tests: store assertions with metadata, query by journal name, verify correct filtering.
|
|
|
|
- [ ] **4.3 Batch TrustRank Decay API**: Expose scheduled decay for external orchestration.
|
|
- **Current state:** `decay_all_trust_ranks()` exists on TrustRankStore. No API endpoint.
|
|
- [ ] Add `POST /v1/admin/decay-trust-ranks` endpoint.
|
|
- [ ] Accepts `now: u64` parameter (or uses current time).
|
|
- [ ] Returns count of decayed agents and summary stats.
|
|
- **Note:** The Gardener (Camp 5.2, app layer) calls this endpoint on a schedule. The database just exposes the primitive.
|
|
|
|
> **Note:** The following items were reclassified as **Application Layer** responsibilities (see `tmp/ambition-vs-reality.md`, Camp 5). They are not Episteme database features. They consume the Episteme API and are built by integrators or vertical-specific teams.
|
|
>
|
|
> - **The Simulator** (Training Data Pipeline) -> Camp 5.3
|
|
> - **The Super Curator** (Reviewer Agent swarm) -> Camp 5.4
|
|
> - **Background Gardener** (Cluster detection, signal processing) -> Camp 5.2
|
|
> - **Agent Wallet** (Key management sidecar) -> Camp 5.1
|
|
|
|
---
|
|
|
|
## Tracking
|
|
|
|
### Active Tasks
|
|
* [x] **Phase 3 The Pilot**: Consumer Health vertical integration. ✅ COMPLETE
|
|
* [ ] **Phase 4 The Hive**: Trust & Scale features.
|
|
|
|
### Next Up (Phase 3 sequencing)
|
|
* [ ] **Phase 4 Items**: "Since" parameter (4.1), Metadata indexing (4.2), Batch TrustRank decay (4.3).
|
|
|
|
### Recently Completed
|
|
* [x] **Source Document Storage** (3F.1): Provenance lookup for 100% citation recall.
|
|
* `POST /v1/source` stores source documents by BLAKE3 content hash.
|
|
* `GET /v1/provenance/{hash}` retrieves source documents.
|
|
* Content-addressed storage at `SRC:{hash}` keys.
|
|
* Base64 encoding, 10MB limit, idempotent uploads.
|
|
* 5 unit tests covering happy path and error cases.
|
|
* [x] **Epoch Cascade Logic** (3D.1): O(1) supersession lookup via pre-computed markers.
|
|
* `write_supersession_cascade()` writes `SUPERSEDED:` markers for full transitive closure at ingest time.
|
|
* `is_epoch_superseded()` uses O(1) marker lookup instead of chain walking.
|
|
* Cycle detection and max depth guard (100 levels).
|
|
* 5 tests covering markers, transitive closure, cycles, and marker-based filtering.
|
|
* [x] **Semantic Decay** (3B.2): Confidence half-life at query time.
|
|
* `decay_halflife: Option<u64>` and `source_class_decay: bool` on Query.
|
|
* New `decay.rs` module with `apply_decay()` and `apply_source_class_decay()`.
|
|
* Formula: `effective_confidence = confidence * 2^(-(age / halflife))`.
|
|
* Tier-specific decay: Regulatory=none, Clinical=2yr, Anecdotal=30d.
|
|
* 11 unit tests + 1 E2E integration test.
|
|
* [x] **Layered Consensus Lens** (3C.2): Per-source-class consensus with tier-by-tier visibility.
|
|
* `LayeredConsensusLens` with `LayeredLens` trait.
|
|
* `TierResolution` and `LayeredResolution` types.
|
|
* `GET /v1/layered?subject=X&predicate=Y` endpoint.
|
|
* Cross-tier conflict score using Shannon entropy.
|
|
* 10 comprehensive tests.
|
|
* [x] **Time-Travel Engine** (3B.1): `as_of` parameter for historical queries.
|
|
* `as_of: Option<u64>` field on `Query` for querying historical state.
|
|
* Bypasses fast path (MVs reflect current state).
|
|
* `Query::matches()` filters by `assertion.timestamp <= as_of`.
|
|
* 6 tests covering edge cases.
|
|
* [x] **Rich Source Metadata** (3A.3): Structured provenance beyond `source_hash`.
|
|
* `source_metadata: Option<Vec<u8>>` field on `Assertion`.
|
|
* `Vec<u8>` for rkyv zero-copy compatibility, callers handle JSON encoding.
|
|
* Builder methods: `.source_metadata_json()` and `.source_metadata()`.
|
|
* API exposes as `Option<String>` with defensive UTF-8 handling.
|
|
* 2 serialization tests.
|
|
* [x] **Conflict Score on Resolution** (3A.2): Numeric disagreement metric across all lenses.
|
|
* `conflict_score: f32` field on `Resolution` (0.0 = unanimous, 1.0 = max conflict).
|
|
* `compute_conflict_score()` utility using normalized variance.
|
|
* Updated all 5 lens implementations to compute and propagate conflict score.
|
|
* `MaterializedView` now stores conflict score.
|
|
* API `QueryResponse` exposes `conflict_score` and `resolution_confidence` when lens is applied.
|
|
* 7 unit tests including NaN handling.
|
|
* [x] **SkepticLens + SkepticView** (3C.1): "Trust but Verify" conflict analysis that surfaces all claims with conflict scores.
|
|
* `AnalysisLens` trait for lenses that map conflict instead of resolving it.
|
|
* `SkepticLens` using normalized Shannon entropy for conflict scoring.
|
|
* `SkepticResolver` + `SkepticView` in stemedb-query.
|
|
* `GET /v1/skeptic?subject=X&predicate=Y` API endpoint.
|
|
* Types: `ResolutionStatus`, `ConflictAnalysis`, `ClaimSummary`, `SourceSummary`, `AgentSummary`.
|
|
* [x] **Source-Class Field** (3A.1): 6-tier `SourceClass` enum with authority weighting and decay rates.
|
|
* `SourceClass` enum: Regulatory, Clinical, Observational, Expert, Community, Anecdotal.
|
|
* `tier()`, `default_decay_days()`, `authority_weight()` methods.
|
|
* Field on Assertion struct with full serialization support.
|
|
* [x] **The Meter**: Token bucket quota system with MeterLayer middleware (10K tokens/agent/hour).
|
|
* [x] **Query Audit Trail**: Every query logged with provenance at `AUD:{query_id}`. `X-Agent-Id` header for attribution.
|
|
* [x] **Event-Driven Materialization**: `run_notified()` + IngestWorker Notify integration.
|
|
* [x] **Fast-Path MV Lookup**: `QueryEngine::try_fast_path()` for O(1) reads.
|
|
* [x] **Materializer**: Background worker for O(1) MV reads via `AsyncLens`.
|
|
* [x] **VoteAwareConsensusLens**: Real vote-based consensus resolution.
|
|
* [x] **Compound SP Index**: O(1) subject+predicate lookups.
|
|
* [x] **TrustRank System**: Agent reputation with decay and learning loop.
|
|
* [x] **API Surface**: axum HTTP server with 7 endpoints + OpenAPI docs.
|
|
|
|
### Blockers
|
|
* None.
|
|
|
|
---
|
|
|
|
## Dependency Graph
|
|
|
|
```
|
|
Phase 2.5 (Hardening) Phase 3 (The Pilot) Phase 4 (The Hive)
|
|
======================== ======================== ==================
|
|
|
|
[2.1 MV Staleness] ---------> [3B.1 Time-Travel] ✅ --+
|
|
| |
|
|
[2.2 Confidence Rename] -----> (API clarity for all) +----------> [4.1 "Since" Param]
|
|
|
|
|
[2.3 EpochAwareLens] --------> [3D.1 Epoch Cascade] ✅ |----------> Invalidation Cascades pillar
|
|
|
|
|
[2.4 Visual Hash Query] -----> [3E.2 Visual Hash Index] ✅
|
|
|
|
|
[2.6 E2E Integration] -------> (pipeline confidence) |
|
|
|
|
|
[3A.1 Source-Class] ✅ --+----------> [3C.2 Layered Consensus] ✅
|
|
| [3B.2 Semantic Decay] ✅
|
|
+-----------------------------[4.2 Metadata Indexing]
|
|
|
|
|
[3A.2 Conflict Score] ✅ --> (enhance Resolution)
|
|
|
|
|
[3A.3 Source Metadata] ✅ --> [4.2 Metadata Indexing]
|
|
|
|
|
[3C.1 Skeptic Lens] ✅ (standalone, COMPLETE)
|
|
[3C.3 Constraints Lens] ✅ (standalone, COMPLETE)
|
|
[3E.1 Vector Search] ✅ (standalone, COMPLETE)
|
|
[3E.2 Visual Hash Index] ✅ (standalone, COMPLETE)
|
|
[3F.1 Provenance] ✅ (standalone, COMPLETE)
|
|
```
|
|
|
|
### Critical Path for Consumer Health Demo
|
|
|
|
```
|
|
[3A.1 Source-Class] ✅ --> [3A.2 Conflict Score] ✅ --> [3C.2 Layered Consensus] ✅
|
|
|
|
|
+----> CONSUMER HEALTH MVP ✅
|
|
|
|
|
[3B.1 Time-Travel] ✅ ---------------------------------------+
|
|
|
|
|
[3A.3 Source Metadata] ✅ -----------------------------------+
|
|
|
|
|
[3C.1 Skeptic Lens] ✅ --------------------------------------+
|
|
```
|
|
|
|
### Critical Path for Financial DD Demo
|
|
|
|
```
|
|
[3A.2 Conflict Score] ✅ --> [3C.1 Skeptic Lens] ✅ ---+
|
|
|
|
|
[3B.1 Time-Travel] ✅ ----------------------------------+----> FINANCIAL DD MVP
|
|
|
|
|
[2.3 EpochAwareLens] --> [3D.1 Epoch Cascade] ✅ -------+
|
|
|
|
|
[3B.2 Semantic Decay] ✅ -------------------------------+
|
|
```
|
|
|
|
### Critical Path for Agile Agent Team Demo
|
|
|
|
```
|
|
[3C.3 Constraints Lens] (standalone) ------+
|
|
|
|
|
[3B.1 Time-Travel] ✅ --------------------+----> AGENT TEAM MVP
|
|
|
|
|
[2.3 EpochAwareLens] ✅ ------------------+
|
|
|
|
|
[Query Audit (Phase 2)] ✅ ----------------+
|
|
```
|