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>
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@@ -102,6 +102,9 @@ type ResultRef struct {
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type Event struct {
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Phase string `json:"phase"`
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Hour int `json:"hour"` // operational-narrative time label, not real wall clock
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// Real wall-clock time of the event is in TimestampUnixNano below
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// (already present pre-OPEN-#4). Consumers can derive
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// "since run start" from event.TimestampUnixNano - Output.GeneratedAt.
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Coordinator string `json:"coordinator"`
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Contract string `json:"contract"`
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Role string `json:"role"`
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@@ -127,13 +130,26 @@ type Event struct {
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}
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type Output struct {
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Coordinators []string `json:"coordinators"`
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Contracts []string `json:"contracts"`
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Events []Event `json:"events"`
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Diversity Diversity `json:"diversity"`
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Determinism Determ `json:"determinism"`
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Learning Learning `json:"learning"`
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GeneratedAt time.Time `json:"generated_at"`
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Coordinators []string `json:"coordinators"`
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Contracts []string `json:"contracts"`
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Events []Event `json:"events"`
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Diversity Diversity `json:"diversity"`
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Determinism Determ `json:"determinism"`
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Learning Learning `json:"learning"`
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PhaseTimings []PhaseTiming `json:"phase_timings,omitempty"` // OPEN #4: real wall-clock per phase
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TotalElapsedMs int64 `json:"total_elapsed_ms,omitempty"`
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GeneratedAt time.Time `json:"generated_at"`
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}
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// PhaseTiming records the real wall-clock duration of a single phase.
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// Closes OPEN #4's "real-time wall-clock for the stress harness" —
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// operators reading the JSON now see actual phase durations alongside
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// the operational-narrative Hour labels. Hour is a fictional time
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// (the simulated 48-hour mock); ElapsedMs is the real one.
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type PhaseTiming struct {
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Phase string `json:"phase"`
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StartUTC time.Time `json:"start_utc"`
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ElapsedMs int64 `json:"elapsed_ms"`
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}
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// Diversity = how distinct are top-K worker sets across (coord,
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@@ -223,6 +239,10 @@ func main() {
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ctx := context.Background()
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_ = ctx
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// runStart pinned BEFORE startPhase is defined so the closure
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// can reference it; output.GeneratedAt picks it up later.
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runStart := time.Now().UTC()
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// Optional Langfuse client. Best-effort: missing env file or
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// unreachable Langfuse just means traces don't go anywhere; the
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// run still proceeds.
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@@ -255,7 +275,33 @@ func main() {
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// Subsequent emitSpan calls nest under it. Idempotent — returns
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// "" when Langfuse isn't configured so callers don't need nil
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// checks.
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// Per-phase wall-clock tracker (OPEN #4 closure). Operators see
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// "phase 2: surge took 8.3s" as the run progresses, not only in
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// the final JSON. Used by both the stdout log line and the
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// per-phase EndTime in the Langfuse span (close-on-next-startPhase).
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var (
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currentPhaseName string
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currentPhaseStart time.Time
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phaseTimings []PhaseTiming
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)
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closePhase := func() {
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if currentPhaseName == "" {
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return
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}
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elapsed := time.Since(currentPhaseStart)
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phaseTimings = append(phaseTimings, PhaseTiming{
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Phase: currentPhaseName,
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StartUTC: currentPhaseStart.UTC(),
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ElapsedMs: elapsed.Milliseconds(),
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})
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log.Printf("[stress] phase %s done — %.2fs (T+%.1fs)", currentPhaseName, elapsed.Seconds(), time.Since(runStart).Seconds())
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currentPhaseName = ""
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}
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startPhase := func(name string, hour int, meta map[string]any) {
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closePhase()
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currentPhaseName = name
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currentPhaseStart = time.Now()
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log.Printf("[stress] phase %s starting (T+%.1fs)", name, time.Since(runStart).Seconds())
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if lf == nil {
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return
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}
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@@ -267,7 +313,7 @@ func main() {
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TraceID: runTraceID,
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Name: name,
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Metadata: spanMeta,
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StartTime: time.Now(),
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StartTime: currentPhaseStart,
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})
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}
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// emitSpan records one span as a child of the current phase span.
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@@ -320,7 +366,7 @@ func main() {
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output := Output{
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Coordinators: []string{"alice", "bob", "carol"},
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Contracts: []string{contracts[0].Name, contracts[1].Name, contracts[2].Name},
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GeneratedAt: time.Now().UTC(),
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GeneratedAt: runStart,
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}
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log.Printf("[stress] 3 coords, 3 contracts, k=%d, corpora=%v", *k, corpora)
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@@ -753,6 +799,11 @@ func main() {
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log.Printf("[stress] phase 7: diversity analysis")
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output.Diversity = computeDiversity(output.Events)
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// Close the final phase + record total elapsed (OPEN #4 closure).
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closePhase()
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output.PhaseTimings = phaseTimings
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output.TotalElapsedMs = time.Since(runStart).Milliseconds()
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// ── write ───────────────────────────────────────────────────
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if err := os.MkdirAll(filepath.Dir(*out), 0o755); err != nil {
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log.Fatalf("mkdir: %v", err)
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