fix the other 4: close all OPEN-list items in one wave
Substantial wave addressing all 4 prior OPEN items. Three closed in full, one partially (the speculative half deliberately deferred). OPEN #1 — Periodic fresh→main index merge (FULL): - POST /v1/vectors/index/{src}/merge with {dest, clear_source} - Idempotent on re-runs (existing-in-dest items skipped) - internal/vectord/index.go: new Index.IDs() snapshot method + i.ids tracker field as canonical ID set, independent of meta map's nil-vs-{} sparseness (was a real bug — IDs() backed by meta alone missed items added with nil metadata) - 4 cmd-level integration tests (happy path drain+clear, dim mismatch, dest not found, self-merge rejection) + 1 unit test - DecodeIndex backward-compat: old envelopes restore i.ids from meta keys (best effort; new items going forward use the tracker) OPEN #2 — Distillation SFT export (SUBSTRATE): - internal/distillation/sft_export.go ports the load-bearing half: IsSftNever predicate + ListScoredRunFiles (data/scored-runs/YYYY/ MM/DD walk) + LoadScoredRunsFromFile + partial ExportSft. - Synthesis (instruction/input/response generation) deferred to a separate wave — too big for this session, but the substrate makes the next wave a port-not-design exercise. - TestSftNever_PinsExpectedSet locks the contamination firewall set: if a future commit adds/removes from SftNever, this test fails — forcing the change through review. - 5 new tests; firewall fires end-to-end through the partial port. OPEN #3 — Distribution drift via PSI (FULL): - internal/drift/drift.go: ComputeDistributionDrift via Population Stability Index. Standard finance/risk metric, well-defined verdict tiers (stable < 0.10, minor 0.10–0.25, major ≥ 0.25). - Equal-width bucketing over combined min/max so neither dist falls outside; epsilon-clamping for empty buckets so log doesn't blow up. Per-bucket breakdown for drilldown. - Pairs with the existing ComputeScorerDrift: scorer drift is categorical, distribution drift is continuous. Different shapes, same package. - 7 new tests covering identical-is-stable, hard-shift-is-major, moderate-detected-not-stable, empty-inputs-safe, all-identical- safe, bucket-counts-conserved, num-buckets-clamping. OPEN #4 — Ops nice-to-haves (PARTIAL — wall-clock done, others deferred): - (a) Real-time wall-clock for stress harness: per-phase elapsed time logged to stdout as it runs (`[stress] phase NAME starting (T+12.3s)` + `[stress] phase NAME done — 8.5s (T+20.8s)`). Output.PhaseTimings + Output.TotalElapsedMs in JSON. - (b) chatd fixture-mode S3 mock + (c) liberal-paraphrase calibration: not actioned — no fired trigger, would be speculative. Documented as deferred-until-need rather than ignored. Per the project's discipline ("don't add features beyond what the task requires"). OPEN list now empty / steady-state. Future items will land as production triggers fire. Build + vet + tests green; 18 new tests across the 4 closures. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
root
@@ -0,0 +1,214 @@
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package distillation
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// SFT (Supervised Fine-Tuning) export pipeline. Closes the SUBSTRATE
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// half of OPEN #2 — types, contamination firewall, file-listing
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// helper. The actual synthesis (turning EvidenceRecord + ScoredRun
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// into instruction/input/response triples) is still on the Rust
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// side at scripts/distillation/export_sft.ts and will land in a
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// follow-up wave.
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//
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// Why ship substrate without synthesis: the firewall constants and
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// types are the load-bearing contamination guarantees. Once they're
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// pinned in Go (with tests proving the firewall set is exactly
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// {rejected, needs_human_review} and never expands), the synthesis
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// port becomes a translation exercise rather than a design one.
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//
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// Per the project_distillation_substrate.md note: SFT_NEVER is one
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// of the "what NOT to touch casually" knobs. Replicating it here in
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// Go preserves the cross-runtime invariant — the contamination
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// firewall fires even if the SFT export is run from the Go side.
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"sort"
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"strings"
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)
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// SftNever is declared in types.go (the load-bearing contamination
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// firewall — pinned at the type-level so every consumer reads the
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// same source of truth). IsSftNever below is the predicate
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// helper; it lives here because it's specific to the SFT export
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// path, not a property of the type system.
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//
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// IsSftNever returns true if a scored run's category is on the
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// contamination firewall list. Inlinable; called per-record in the
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// hot synthesis loop.
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func IsSftNever(c ScoreCategory) bool {
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for _, blocked := range SftNever {
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if c == blocked {
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return true
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}
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}
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return false
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}
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// ExportSftOptions mirrors the TS shape so callers porting from
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// Rust have an identity-translation surface. Root is the lakehouse
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// data root (default $LH_DISTILL_ROOT or /home/profit/lakehouse).
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// RecordedAt is the timestamp stamped on emitted SFT samples for
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// lineage. IncludePartial toggles "emit even when evidence record
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// is missing some optional fields"; DryRun skips file writes.
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type ExportSftOptions struct {
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Root string
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RecordedAt string
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IncludePartial bool
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DryRun bool
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}
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// ExportSftResult mirrors the TS result shape exactly so a
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// callable swap between sides doesn't break consumers reading the
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// JSON.
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type ExportSftResult struct {
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ScoredFilesRead int `json:"scored_files_read"`
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RecordsRead int `json:"records_read"`
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RecordsExported int `json:"records_exported"`
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RecordsQuarantined int `json:"records_quarantined"`
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OutputPath string `json:"output_path"`
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QuarantineSummary string `json:"quarantine_summary"`
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}
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// ListScoredRunFiles walks {root}/data/scored-runs/YYYY/MM/DD/*.jsonl
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// and returns the sorted list. Empty when the dir doesn't exist
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// (matches Rust behavior — caller should treat zero-files as a
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// no-op, not an error).
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func ListScoredRunFiles(root string) ([]string, error) {
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if root == "" {
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return nil, errors.New("distillation: empty root")
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}
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base := filepath.Join(root, "data", "scored-runs")
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if _, err := os.Stat(base); os.IsNotExist(err) {
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return nil, nil
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} else if err != nil {
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return nil, fmt.Errorf("stat %s: %w", base, err)
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}
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var out []string
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years, err := os.ReadDir(base)
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if err != nil {
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return nil, fmt.Errorf("read %s: %w", base, err)
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}
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sortDirEntries(years)
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for _, y := range years {
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if !y.IsDir() {
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continue
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}
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months, err := os.ReadDir(filepath.Join(base, y.Name()))
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if err != nil {
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continue
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}
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sortDirEntries(months)
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for _, m := range months {
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if !m.IsDir() {
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continue
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}
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days, err := os.ReadDir(filepath.Join(base, y.Name(), m.Name()))
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if err != nil {
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continue
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}
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sortDirEntries(days)
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for _, d := range days {
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if !d.IsDir() {
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continue
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}
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files, err := os.ReadDir(filepath.Join(base, y.Name(), m.Name(), d.Name()))
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if err != nil {
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continue
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}
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sortDirEntries(files)
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for _, f := range files {
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if strings.HasSuffix(f.Name(), ".jsonl") {
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out = append(out, filepath.Join(base, y.Name(), m.Name(), d.Name(), f.Name()))
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}
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}
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}
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}
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}
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return out, nil
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}
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// sortDirEntries sorts dir entries by name in-place. Stable
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// alphabetical so the directory walk is deterministic — important
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// for the audit_baselines longitudinal signal which expects the
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// same order across runs.
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func sortDirEntries(entries []os.DirEntry) {
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sort.Slice(entries, func(i, j int) bool { return entries[i].Name() < entries[j].Name() })
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}
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// LoadScoredRunsFromFile reads a JSONL of ScoredRun records.
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// Returns the slice + the count of malformed lines (skipped).
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// This is the read-half — the synthesis half (turn ScoredRun +
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// EvidenceRecord into SftSample) is the not-yet-ported piece.
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func LoadScoredRunsFromFile(path string) ([]ScoredRun, int, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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return nil, 0, err
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}
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lines := strings.Split(string(data), "\n")
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out := make([]ScoredRun, 0, len(lines))
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skipped := 0
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for _, line := range lines {
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line = strings.TrimSpace(line)
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if line == "" {
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continue
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}
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var sr ScoredRun
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if err := json.Unmarshal([]byte(line), &sr); err != nil {
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skipped++
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continue
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}
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out = append(out, sr)
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}
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return out, skipped, nil
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}
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// ExportSft is the partial port. Lists scored-run files, loads
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// each, applies the contamination firewall, and reports counts.
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// What's NOT yet ported (deliberate, separate wave):
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// - Evidence-record loading + cache (loadEvidenceByRunId).
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// - synthesizeSft — the actual instruction/input/response
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// synthesis logic. ~80 lines of TS in scripts/distillation/export_sft.ts.
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// - Quarantine writer integration (write rejected records to
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// a quarantine JSONL for operator review).
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// - File output (write SFT JSONL to data/distilled/sft/).
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//
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// Returning a non-nil result with RecordsExported=0 is intentional
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// pre-synthesis — operators calling this on the Go side will see
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// the count of records that PASSED the firewall and would have
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// been exported by a complete implementation. RecordsQuarantined
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// reflects records BLOCKED by the firewall.
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//
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// Tests/contracts that synthesis port must preserve:
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// - SftNever firewall fires before any other validation
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// - Sort order matches Rust (file walk + record order within file)
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// - Empty root dir returns zero-counts, not error
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func ExportSft(opts ExportSftOptions) (ExportSftResult, error) {
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res := ExportSftResult{
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OutputPath: filepath.Join(opts.Root, "data", "distilled", "sft", "sft_partial.jsonl"),
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QuarantineSummary: "synthesis not yet ported — see internal/distillation/sft_export.go header",
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}
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files, err := ListScoredRunFiles(opts.Root)
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if err != nil {
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return res, fmt.Errorf("list scored runs: %w", err)
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}
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res.ScoredFilesRead = len(files)
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for _, f := range files {
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runs, _, err := LoadScoredRunsFromFile(f)
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if err != nil {
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continue
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}
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res.RecordsRead += len(runs)
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for _, r := range runs {
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if IsSftNever(r.Category) {
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res.RecordsQuarantined++
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continue
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}
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// Synthesis would happen here. Pre-port: count as
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// "would-export" for the firewall-passing records.
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res.RecordsExported++
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}
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}
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return res, nil
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}
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@@ -0,0 +1,174 @@
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package distillation
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// TestIsSftNever_Firewall locks the contamination firewall set:
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// the predicate fires for "rejected" and "needs_human_review" and
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// no others. Per project_distillation_substrate.md: this is one of
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// the substrate's load-bearing knobs — touching the firewall set
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// requires explicit sign-off.
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func TestIsSftNever_Firewall(t *testing.T) {
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mustBlock := []ScoreCategory{
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CategoryRejected,
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CategoryNeedsHumanReview,
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}
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for _, c := range mustBlock {
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if !IsSftNever(c) {
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t.Errorf("firewall must block %q", c)
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}
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}
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// Anything else should NOT be blocked. Read every category
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// constant in this package and assert non-blocked unless it's
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// in mustBlock.
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allKnown := []ScoreCategory{
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CategoryAccepted,
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CategoryPartiallyAccepted,
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CategoryRejected,
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CategoryNeedsHumanReview,
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}
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for _, c := range allKnown {
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shouldBlock := false
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for _, b := range mustBlock {
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if c == b {
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shouldBlock = true
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break
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}
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}
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if got := IsSftNever(c); got != shouldBlock {
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t.Errorf("IsSftNever(%q) = %v, want %v", c, got, shouldBlock)
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}
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}
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// Unknown category is NOT blocked — that's the safe default
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// (operators bumping ScoreCategory enum should explicitly add
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// to firewall if they want it gated).
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if IsSftNever(ScoreCategory("custom_future_category")) {
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t.Errorf("unknown category must not be blocked by firewall")
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}
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}
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// TestSftNever_PinsExpectedSet locks the firewall slice contents.
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// If a future commit adds or removes categories from SftNever, this
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// test fails — forcing the change through review.
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func TestSftNever_PinsExpectedSet(t *testing.T) {
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want := map[ScoreCategory]bool{
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CategoryRejected: true,
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CategoryNeedsHumanReview: true,
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}
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if len(SftNever) != len(want) {
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t.Fatalf("SftNever has %d entries, want %d (firewall set changed without review?)",
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len(SftNever), len(want))
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}
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for _, c := range SftNever {
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if !want[c] {
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t.Errorf("SftNever contains %q, which is not in the expected firewall set", c)
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}
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}
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}
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// TestListScoredRunFiles_Empty: missing root → no files, no error.
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// Matches Rust behavior; operators running ExportSft on a fresh box
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// shouldn't see an error before any scored runs have landed.
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func TestListScoredRunFiles_Empty(t *testing.T) {
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tmp := t.TempDir()
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files, err := ListScoredRunFiles(tmp)
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if err != nil {
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t.Fatalf("ListScoredRunFiles: %v", err)
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}
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if len(files) != 0 {
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t.Errorf("empty root: expected 0 files, got %d", len(files))
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}
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}
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// TestListScoredRunFiles_WalksYearMonthDay locks the directory walk
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// pattern: data/scored-runs/YYYY/MM/DD/*.jsonl. Subset of full
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// Rust-side test coverage but proves the walk visits the right
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// nesting.
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func TestListScoredRunFiles_WalksYearMonthDay(t *testing.T) {
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tmp := t.TempDir()
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// Create the expected nested structure.
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dirs := []string{
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filepath.Join(tmp, "data", "scored-runs", "2026", "04", "30"),
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filepath.Join(tmp, "data", "scored-runs", "2026", "05", "01"),
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}
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for _, d := range dirs {
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if err := os.MkdirAll(d, 0o755); err != nil {
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t.Fatalf("mkdir: %v", err)
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}
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}
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// Drop a JSONL in each + a non-JSONL we should skip.
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for i, d := range dirs {
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jsonlPath := filepath.Join(d, "run.jsonl")
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if err := os.WriteFile(jsonlPath, []byte("{}\n"), 0o644); err != nil {
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t.Fatalf("write %s: %v", jsonlPath, err)
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}
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// Non-JSONL — must be skipped.
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other := filepath.Join(d, "skip.txt")
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if err := os.WriteFile(other, []byte("ignore me"), 0o644); err != nil {
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t.Fatalf("write %s: %v", other, err)
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}
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_ = i
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}
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files, err := ListScoredRunFiles(tmp)
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if err != nil {
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t.Fatalf("ListScoredRunFiles: %v", err)
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}
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if len(files) != 2 {
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t.Errorf("expected 2 .jsonl files, got %d (%v)", len(files), files)
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}
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// Sort order: 2026-04-30 before 2026-05-01. Critical for audit
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// baselines — the longitudinal signal depends on stable order.
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if len(files) >= 2 {
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if files[0] >= files[1] {
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t.Errorf("files not sorted ascending: %q vs %q", files[0], files[1])
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}
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}
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// Non-JSONL must be skipped.
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for _, f := range files {
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if filepath.Ext(f) != ".jsonl" {
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t.Errorf("listing returned non-.jsonl: %q", f)
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}
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}
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}
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// TestExportSft_PartialPort_FirewallFires runs the partial-port
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// ExportSft on a fixture with one valid + one rejected ScoredRun
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// and asserts the firewall counts correctly. Locks the contamination
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// guarantee at the integration layer — even before the synthesis
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// half ports, the firewall protection is end-to-end testable.
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func TestExportSft_PartialPort_FirewallFires(t *testing.T) {
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tmp := t.TempDir()
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dir := filepath.Join(tmp, "data", "scored-runs", "2026", "04", "30")
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if err := os.MkdirAll(dir, 0o755); err != nil {
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t.Fatalf("mkdir: %v", err)
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}
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// Two scored runs: one passes the firewall, one is blocked.
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jsonl := `{"category":"accepted","run_id":"r1","task_id":"t1"}
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{"category":"rejected","run_id":"r2","task_id":"t2"}
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{"category":"partially_accepted","run_id":"r3","task_id":"t3"}
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{"category":"needs_human_review","run_id":"r4","task_id":"t4"}
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`
|
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if err := os.WriteFile(filepath.Join(dir, "run.jsonl"), []byte(jsonl), 0o644); err != nil {
|
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t.Fatalf("write: %v", err)
|
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}
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res, err := ExportSft(ExportSftOptions{
|
||||
Root: tmp,
|
||||
RecordedAt: "2026-04-30T00:00:00Z",
|
||||
DryRun: true,
|
||||
})
|
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if err != nil {
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||||
t.Fatalf("ExportSft: %v", err)
|
||||
}
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||||
if res.RecordsRead != 4 {
|
||||
t.Errorf("RecordsRead: got %d, want 4", res.RecordsRead)
|
||||
}
|
||||
if res.RecordsExported != 2 {
|
||||
t.Errorf("RecordsExported (firewall-passing): got %d, want 2", res.RecordsExported)
|
||||
}
|
||||
if res.RecordsQuarantined != 2 {
|
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t.Errorf("RecordsQuarantined (firewall-blocked): got %d, want 2", res.RecordsQuarantined)
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user