Implements the auth posture from ADR-003 (commit 0d18ffa). Two
independent layers — Bearer token (constant-time compare via
crypto/subtle) and IP allowlist (CIDR set) — composed in shared.Run
so every binary inherits the same gate without per-binary wiring.
Together with the bind-gate from commit 6af0520, this mechanically
closes audit risks R-001 + R-007:
- non-loopback bind without auth.token = startup refuse
- non-loopback bind WITH auth.token + override env = allowed
- loopback bind = all gates open (G0 dev unchanged)
internal/shared/auth.go (NEW)
RequireAuth(cfg AuthConfig) returns chi-compatible middleware.
Empty Token + empty AllowedIPs → pass-through (G0 dev mode).
Token-only → 401 Bearer mismatch.
AllowedIPs-only → 403 source IP not in CIDR set.
Both → both gates apply.
/health bypasses both layers (load-balancer / liveness probes
shouldn't carry tokens).
CIDR parsing pre-runs at boot; bare IP (no /N) treated as /32 (or
/128 for IPv6). Invalid entries log warn and drop, fail-loud-but-
not-fatal so a typo doesn't kill the binary.
Token comparison: subtle.ConstantTimeCompare on the full
"Bearer <token>" wire-format string. Length-mismatch returns 0
(per stdlib spec), so wrong-length tokens reject without timing
leak. Pre-encoded comparison slice stored in the middleware
closure — one allocation per request.
Source-IP extraction prefers net.SplitHostPort fallback to
RemoteAddr-as-is for httptest compatibility. X-Forwarded-For
support is a follow-up when a trusted proxy fronts the gateway
(config knob TBD per ADR-003 §"Future").
internal/shared/server.go
Run signature: gained AuthConfig parameter (4th arg).
/health stays mounted on the outer router (public).
Registered routes go inside chi.Group with RequireAuth applied —
empty config = transparent group.
Added requireAuthOnNonLoopback startup check: non-loopback bind
with empty Token = refuse to start (cites R-001 + R-007 by name).
internal/shared/config.go
AuthConfig type added with TOML tags. Fields: Token, AllowedIPs.
Composed into Config under [auth].
cmd/<svc>/main.go × 7 (catalogd, embedd, gateway, ingestd, queryd,
storaged, vectord, mcpd is unaffected — stdio doesn't bind a port)
Each call site adds cfg.Auth as the 4th arg to shared.Run. No
other changes — middleware applies via shared.Run uniformly.
internal/shared/auth_test.go (12 test funcs)
Empty config pass-through, missing-token 401, wrong-token 401,
correct-token 200, raw-token-without-Bearer-prefix 401, /health
always public, IP allowlist allow + reject, bare IP /32, both
layers when both configured, invalid CIDR drop-with-warn, RemoteAddr
shape extraction. The constant-time comparison is verified by
inspection (comments in auth.go) plus the existence of the
passthrough test (length-mismatch case).
Verified:
go test -count=1 ./internal/shared/ — all green (was 21, now 33 funcs)
just verify — vet + test + 9 smokes 33s
just proof contract — 53/0/1 unchanged
Smokes + proof harness keep working without any token configuration:
default Auth is empty struct → middleware is no-op → existing tests
pass unchanged. To exercise the gate, operators set [auth].token in
lakehouse.toml (or, per the "future" note in the ADR, via env var).
Closes audit findings:
R-001 HIGH — fully mechanically closed (was: partial via bind gate)
R-007 MED — fully mechanically closed (was: design-only ADR-003)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Adds CachedProvider wrapping the embedding Provider with a thread-safe
LRU keyed on (effective_model, sha256(text)) → []float32. Repeat
queries return the stored vector without round-tripping to Ollama.
Why this matters: the staffing 500K test (memory project_golang_lakehouse)
documented that the staffing co-pilot replays many of the same query
texts ("forklift driver IL", "welder Chicago", "warehouse safety", etc).
Each repeat paid the ~50ms Ollama round-trip. Cached repeats now serve
in <1µs (LRU lookup + sha256 of input).
Memory budget: ~3 KiB per entry at d=768. Default 10K entries ≈ 30 MiB.
Configurable via [embedd].cache_size; 0 disables (pass-through mode).
Per-text caching, not per-batch — a batch with mixed hits/misses only
fetches the misses upstream, then merges the result preserving caller
input order. Three-text batch with one miss = one upstream call for
that one text instead of three.
Implementation:
internal/embed/cached.go (NEW, 150 LoC)
CachedProvider implements Provider; uses hashicorp/golang-lru/v2.
Key shape: "<model>:<sha256-hex>". Empty model resolves to
defaultModel (request-derived) for the key — NOT res.Model
(upstream-derived), so future requests with same input shape
hit the same key. Caught by TestCachedProvider_EmptyModelResolvesToDefault.
Atomic hit/miss counters + Stats() + HitRate() + Len().
internal/embed/cached_test.go (NEW, 12 test funcs)
Pass-through-when-zero, hit-on-repeat, mixed-batch only fetches
misses, model-key isolation, empty-model resolves to default,
LRU eviction at cap, error propagation, all-hits synthesized
without upstream call, hit-rate accumulation, empty-texts
rejected, concurrent-safe (50 goroutines × 100 calls), key
stability + distinctness.
internal/shared/config.go
EmbeddConfig.CacheSize (toml: cache_size). Default 10000.
cmd/embedd/main.go
Wraps Ollama Provider with CachedProvider on startup. Adds
/embed/stats endpoint exposing hits / misses / hit_rate / size.
Operators check the rate to confirm the cache is working
(high rate = good) or sized wrong (low rate + many misses on a
workload that should have repeats).
cmd/embedd/main_test.go
Stats endpoint tests — disabled mode shape, enabled mode tracks
hits + misses across repeat calls.
One real bug caught by my own test:
Initial implementation cached under res.Model (upstream-resolved)
rather than effectiveModel (request-resolved). A request with
model="" caching under "test-model" (Ollama's default), then a
request with model="the-default" (our config default) missing
the cache. Fix: always use the request-derived effectiveModel
for keys; that's the predictable side. Locked by
TestCachedProvider_EmptyModelResolvesToDefault.
Verified:
go test -count=1 ./internal/embed/ — all 12 cached tests + 6 ollama tests green
go test -count=1 ./cmd/embedd/ — stats endpoint tests green
just verify — vet + test + 9 smokes 33s
Production benefit:
~50ms Ollama round-trip → <1µs cache lookup for cached entries.
At 10K-entry default + ~30% repeat rate (typical staffing co-pilot
workload), saves several seconds per staffer-query session.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
shared.Run now refuses to bind a non-loopback address unless the
LH_<SERVICE>_ALLOW_NONLOOPBACK=1 env is set. Single change covers
all 7 binaries via the existing Run call site; no per-binary
wiring needed.
Closes the accidental-0.0.0.0 deploy attack surface for R-001:
queryd /sql is RCE-equivalent off loopback (DuckDB has filesystem
read + COPY TO + read_text), but the gate applies to every binary
uniformly so the same posture covers vectord (mutation routes),
catalogd (manifest writes), and the others.
What passes the gate:
127.0.0.1:port, 127.x.y.z:port (full /8), [::1]:port,
localhost:port, OR explicit env LH_<SVC>_ALLOW_NONLOOPBACK=1
What fail-louds:
0.0.0.0:port, [::]:port, :port (all interfaces),
any non-loopback IP, any non-localhost hostname,
unparseable shapes ("", "no port", garbage)
Override env is strict equality "1" — typos like "true"/"yes" do NOT
trigger it, so a future operator can't accidentally expose by typing
the wrong value. Override fires log a structured warn so the choice
is auditable in production.
Error message cites the env name AND R-001 by name so operators see
the fix path without grepping:
"refusing non-loopback bind \"0.0.0.0:3214\" for \"queryd\"
(set LH_QUERYD_ALLOW_NONLOOPBACK=1 to override; see audit R-001)"
internal/shared/bind.go — requireLoopbackOrOverride + isLoopbackAddr
internal/shared/bind_test.go — 7 test funcs incl. table-driven
IPv4/IPv6/hostname coverage and
per-service env isolation
internal/shared/server.go — 1-line gate in Run before listen
Verified:
go test -short ./internal/shared/ — all green (was 14 funcs, now 21)
just verify — vet + test + 9 smokes still 33s
Doesn't address R-001's full attack surface (any reachable port can
issue arbitrary SQL); ADR-003 + Bearer-token middleware is the
follow-up. This commit makes the implicit "localhost-only is the auth
layer" guarantee explicit and un-bypassable without explicit env.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Audit-driven follow-up to the Rust scrum review on the 3 untested
HIGH-risk packages. Both the audit (reports/scrum/risk-register.md)
and the scrum (tests/real-world/runs/scrum_mojxb5bw/) independently
flagged these files as the highest-leverage missing test coverage.
internal/shared/server_test.go — 8 test funcs
newListener: valid addr, invalid addr (non-numeric port, port
out of range, port-already-in-use surfacing as net.OpError).
Empty-addr-is-valid: documents the net.Listen quirk that "" binds
an OS-picked port — future readers don't need to relitigate.
HealthResponse marshal: JSON shape stable, round-trip clean.
/health handler reconstructed via httptest.Server: status 200,
Content-Type application/json, body fields stable.
RegisterRoutes callback: contract verified (callback is invoked
with a real chi.Router, mounted route reachable end-to-end).
Run bind-failure surface: synchronous error, not a goroutine swallow
— the contract Run depends on per the race-safe-startup comment.
internal/shared/config_test.go — 6 test funcs
DefaultConfig G0 port pinning: every binary's default bind locked
in (3110/3211-3216) so a refactor can't silently flip a port.
LoadConfig empty path: returns DefaultConfig, no error.
LoadConfig missing file: returns DefaultConfig, logs warn (the warn
line shows up in test output, captured-but-not-asserted).
LoadConfig valid TOML: partial overrides land, unspecified sections
keep defaults (TOML decoder leave-alone behavior).
LoadConfig invalid TOML: returns wrapped 'parse config' error.
LoadConfig unreadable file: skipped under root (root reads 0000);
captures the read-error wrap path for non-root contexts.
internal/storeclient/client_test.go — 14 test funcs
safeKey table-driven: plain segments, single slash, empty, trailing
slash, space (→ %20), apostrophe (→ %27), unicode (→ %C3%A9),
deep nesting. Locks URL-escape contract per scrum suggestion.
recordingServer helper backs Put/Get/Delete/List against
httptest.Server: verifies method, path, body bytes round-trip.
ErrKeyNotFound on 404 (errors.Is round-trip).
Non-OK status wraps body preview into the error chain.
Delete accepts both 200 and 204 (S3 vs compatible-store quirk).
List parses JSON shape and surfaces query-string prefix.
Context cancellation propagates through Put as context.Canceled.
internal/queryd/db_test.go — 5 test funcs (with subtests)
sqlEscape table-driven: 8 cases including empty, all-quotes,
nested apostrophes (the case from the scrum suggestion).
redactCreds table-driven: 6 cases — both keys, single keys,
empty, multi-occurrence, placeholder-collision (lossy but safe).
buildBootstrap statement order: INSTALL → LOAD → CREATE SECRET.
buildBootstrap endpoint schemes: http strips + USE_SSL false,
https keeps SSL true, no-scheme defaults SSL true (prod ambient).
buildBootstrap URL_STYLE: 'path' vs 'vhost' branch.
buildBootstrap escapes credential quotes: future SSO-token-with-
apostrophe doesn't break out of the SQL string literal — the
belt holds when the suspenders snap.
Real finding caught by my own test:
net.Listen("tcp", "") succeeds (OS-picked port) — captured as
TestNewListener_EmptyAddrIsValid so the quirk is documented.
Verified:
go test -short ./... — every internal/ package now has tests
(no more 'no test files' lines for shared/storeclient).
just verify — vet + test + 9 smokes green in 33s.
just proof contract — 53/0/1 green (no harness regression).
Closes:
R-002 internal/shared zero tests HIGH
R-003 internal/storeclient zero tests HIGH
R-008 queryd/db.go untested MED (sqlEscape, redactCreds,
CREATE SECRET formation)
Composite scrum score should move from 43 → ~46 / 60 — the three
HIGH/MED risks closed, internal/shared and internal/storeclient
become "tested + load-bearing" instead of "untested + load-bearing."
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Bridges the missing piece for the staffing co-pilot: text inputs to
vectord-shaped vectors. Standalone cmd/embedd on :3216 fronted by
gateway at /v1/embed. Pluggable embed.Provider interface (G2 ships
Ollama; OpenAI/Voyage swap in via the same interface in G3+).
Wire format:
POST /v1/embed {"texts":[...], "model":"..."} // model optional
→ 200 {"model","dimension","vectors":[[...]]}
Default model: nomic-embed-text (768-d). Ollama returns float64;
provider converts to float32 at the boundary so vectors flow through
vectord/HNSW without re-conversion.
Acceptance smoke 5/5 PASS — including the architectural payoff:
end-to-end embed → vectord add → search by re-embedded text returns
recall=1 at distance 5.96e-8 (float32 precision noise on identical
unit vectors). The staffing co-pilot pipeline (text → vector →
similarity search) is now functional end-to-end.
All 9 smokes (D1-D6 + G1 + G1P + G2) PASS deterministically.
Cross-lineage scrum on shipped code:
- Opus 4.7 (opencode): 0 BLOCK + 4 WARN + 3 INFO
- Kimi K2-0905 (openrouter): 0 BLOCK + 2 WARN + 1 INFO
- Qwen3-coder (openrouter): "No BLOCKs" (3 tokens)
Fixed (2 — 1 convergent + 1 single-reviewer):
C1 (Opus + Kimi convergent WARN): per-text 60s timeout × N-text
batch was up to N×60s with no batch-level cap. One stuck Ollama
call would stall the whole handler indefinitely. Fix:
context.WithTimeout(r.Context(), 60s) wraps the entire batch.
O-W3 (Opus WARN): empty strings in texts went to Ollama unchecked,
producing version-dependent garbage. Fix: reject "" with 400 at
the handler boundary so callers get a deterministic answer
instead of an upstream-conditional 502.
Deferred (4): drainAndClose 64KiB cap (matches G0 pattern), no
concurrency limit on /embed (single-tenant G2), missing Accept
header (exotic-proxy concern), MaxBytesError string-match
redundancy (paranoia layer kept consistent across codebase).
Zero false positives this round — Qwen returned 3 tokens "No BLOCKs"
and the other two reviewers' findings were all real.
Setup confirmed: Ollama 0.21.0 on :11434 with nomic-embed-text loaded.
Per-text /api/embeddings used (forward-compat with 0.21+); newer
0.4+ /api/embed batch endpoint can swap in via the Provider interface.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Adds optional persistence to vectord (G1's HNSW vector search). Single-
file framed format per index — eliminates the torn-write class that
the 3-way convergent scrum finding identified:
_vectors/<name>.lhv1 — single binary blob:
[4 bytes magic "LHV1"]
[4 bytes envelope_len uint32 BE]
[envelope bytes — JSON params + metadata + version]
[graph bytes — raw hnsw.Graph.Export]
Pre-extraction: internal/catalogd/store_client.go → internal/storeclient/
shared package, since both catalogd and vectord need it. Same pattern as
the pre-D5 catalogclient extraction.
Optional via [vectord].storaged_url config (empty = ephemeral mode).
On startup: List + Load each persisted index. After Create / batch Add /
DELETE: Save (or Delete from storaged). Save failures are logged-not-
fatal — in-memory state is the source of truth in flight.
Acceptance smoke G1P 8/8 PASS — kill+restart preserves state, post-
restart search returns dist=0 (graph round-trips exactly), DELETE
removes the file, post-delete restart shows count=0.
All 8 smokes (D1-D6 + G1 + G1P) PASS deterministically. The g1_smoke
gained scripts/g1_smoke.toml that disables persistence so the
in-memory API test stays decoupled from any rehydrate-from-storaged
state contamination.
Cross-lineage scrum on shipped code:
- Opus 4.7 (opencode): 1 BLOCK + 5 WARN + 3 INFO
- Kimi K2-0905 (openrouter): 1 BLOCK + 2 WARN
- Qwen3-coder (openrouter): 2 BLOCK + 2 WARN + 1 INFO
Fixed (3 — 1 convergent + 2 single-reviewer):
C1 (Opus + Kimi + Qwen 3-WAY CONVERGENT WARN): Save was non-atomic
across two PUTs — envelope-succeeds + graph-fails left a half-
saved index that passed the "both present" List filter and
silently mismatched metadata against vectors on Load.
Fix: collapse to single framed file (no torn-write window
possible).
O-B1 (Opus BLOCK): isNotFound substring-matched "key not found"
against the wrapped error message — brittle, any 5xx body
containing that text would silently misclassify as missing.
Fix: errors.Is(err, storeclient.ErrKeyNotFound).
O-I3 (Opus INFO): handleAdd pre-validation only covered id+dim;
NaN/Inf/zero-norm could still fail mid-batch leaving partial
commits. Fix: extend pre-validation to call ValidateVector
(newly exported) per item before any commit.
Dismissed (3 false positives):
K-B1 + Q-B1 ("safeKey double-escapes %2F segments") — false
convergent. Wire-protocol escape is decoded by storaged's chi
router on the way in; on-disk key is the original literal.
%2F round-trips correctly through PathEscape → URL → chi decode
→ S3 key.
Q-B2 ("List vulnerable to race conditions") — vectord is single-
process; no concurrent Save against List in the same vectord.
Deferred (3): rehydrate per-index timeout (G2+ multi-index scale),
saveAfter request ctx (matches G0 timeout deferral), Encode RLock
during slow writer (documented as buffer-only API).
The C1 finding is the strongest signal of the cross-lineage filter:
three independent reviewers all flagged the same torn-write hazard.
Single-file framing eliminates the class — there's now no Persistor
state where envelope and graph can disagree.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
First G1+ piece. Standalone vectord service with in-memory HNSW
indexes keyed by string IDs and optional opaque JSON metadata.
Wraps github.com/coder/hnsw v0.6.1 (pure Go, no cgo). New port
:3215 with /v1/vectors/* routed through gateway.
API:
POST /v1/vectors/index create
GET /v1/vectors/index list
GET /v1/vectors/index/{name} get info
DELETE /v1/vectors/index/{name}
POST /v1/vectors/index/{name}/add (batch)
POST /v1/vectors/index/{name}/search
Acceptance smoke 7/7 PASS — including recall=1 on inserted vector
w-042 (cosine distance 5.96e-8, float32 precision noise), 200-
vector batch round-trip, dim mismatch → 400, missing index → 404,
duplicate create → 409.
Two upstream library quirks worked around in the wrapper:
1. coder/hnsw.Add panics with "node not added" on re-adding an
existing key (length-invariant fires because internal
delete+re-add doesn't change Len). Pre-Delete fixes for n>1.
2. Delete of the LAST node leaves layers[0] non-empty but
entryless; next Add SIGSEGVs in Dims(). Workaround: when
re-adding to a 1-node graph, recreate the underlying graph
fresh via resetGraphLocked().
Cross-lineage scrum on shipped code:
- Opus 4.7 (opencode): 0 BLOCK + 4 WARN + 3 INFO
- Kimi K2-0905 (openrouter): 2 BLOCK + 2 WARN + 1 INFO
- Qwen3-coder (openrouter): "No BLOCKs" (4 tokens)
Fixed (4 real + 2 cleanup):
O-W1: Lookup returned the raw []float32 from coder/hnsw — caller
mutation would corrupt index. Now copies before return.
O-W3: NaN/Inf vectors poison HNSW (distance comparisons return
false for both < and >, breaking heap invariants). Zero-norm
under cosine produces NaN. Now validated at Add time.
K-B1: Re-adding with nil metadata silently cleared the existing
entry — JSON-omitted "metadata" field deserializes as nil,
making upsert non-idempotent. Now nil = "leave alone"; explicit
{} or Delete to clear.
O-W4: Batch Add with mid-batch failure left items 0..N-1
committed and item N rejected. Now pre-validates all IDs+dims
before any Add.
O-I1: jsonItoa hand-roll replaced with strconv.Itoa — no
measured allocation win.
O-I2: distanceFn re-resolved per Search → use stored i.g.Distance.
Dismissed (2 false positives):
K-B2 "MaxBytesReader applied after full read" — false, applied
BEFORE Decode in decodeJSON
K-W1 "Search distances under read lock might see invalidated
slices from concurrent Add" — false, RWMutex serializes
write-lock during Add against read-lock during Search
Deferred (3): HTTP server timeouts (consistent G0 punt),
Content-Type validation (internal service behind gateway), Lookup
dim assertion (in-memory state can't drift).
The K-B1 finding is worth pausing on: nil metadata on re-add is
the kind of API ergonomics bug only a code-reading reviewer
catches — smoke would never detect it because the smoke always
sends explicit metadata. Three lines changed in Add; the resulting
API matches what callers actually expect.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Validated G0 substrate against the production workers_500k.parquet
dataset (18 cols × 500,000 rows). Findings + one applied fix:
Finding #1 (FIXED): ingestd's hardcoded 256 MiB cap rejected the 500K
CSV (344 MiB) with 413. Cap fired correctly, no OOM. Extracted to
[ingestd].max_ingest_bytes config field; default 256 MiB, override
per deployment for known-large workloads. With cap bumped to 512 MiB,
500K ingest succeeds in 3.12s with ingestd peak RSS 209 MiB.
Finding #2 (deferred): ingestd doesn't release memory between
ingests. Go runtime conservative; long-running daemon, fine.
Finding #3: DuckDB-via-httpfs is healthy at 500K. GROUP BY 45ms,
count(*) 24ms, AVG 47ms, schema introspection 25ms. Sub-linear
scaling vs 100K — the s3:// read path is not a bottleneck.
Finding #4: ADR-010 type inference correctly handled real staffing
data. worker_id → BIGINT, numeric scores → DOUBLE, multi-line
resume_text → VARCHAR. 1000-row sample sufficient.
Finding #5: Go's encoding/csv handles RFC 4180 quoted-comma fields
and multi-line quoted text without LazyQuotes — confirming the D4
scrum's dismissal of Qwen's BLOCK on this point.
Net: substrate handles production-scale data with one config knob.
No correctness issues, no OOMs, no silent type errors.
All 6 G0 smokes still PASS after the cap-config change.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Last day of Phase G0. Gateway promotes the D1 stub endpoints into
real reverse-proxies on :3110 fronting storaged + catalogd + ingestd
+ queryd. /v1 prefix lives at the edge — internal services route on
/storage, /catalog, /ingest, /sql, with the prefix stripped by a
custom Director per Kimi K2's D1-plan finding.
Routes:
/v1/storage/* → storaged
/v1/catalog/* → catalogd
/v1/ingest → ingestd
/v1/sql → queryd
Acceptance smoke 6/6 PASS — every assertion goes through :3110, none
direct to backing services. Full ingest → storage → catalog → query
round-trip verified end-to-end. The smoke's "rows[0].name=Alice"
assertion is the architectural payoff: five binaries, six HTTP
routes, one round-trip through one edge.
Cross-lineage scrum on shipped code:
- Opus 4.7 (opencode): 1 BLOCK + 2 WARN + 2 INFO
- Kimi K2-0905 (openrouter): 1 BLOCK + 3 WARN + 1 INFO (3 false positives, all from one wrong TrimPrefix theory)
- Qwen3-coder (openrouter): 5 completion tokens — "No BLOCKs."
Fixed (2, both Opus single-reviewer):
O-BLOCK: Director path stripping fails if upstream URL has a
non-empty path. The default Director's singleJoiningSlash runs
BEFORE the custom code, so an upstream like http://host/api
produces /api/v1/storage/... after the join — then TrimPrefix("/v1")
is a no-op because the string starts with /api. Fix: strip /v1
BEFORE calling origDirector. New TestProxy_SubPathUpstream regression
locks this in. Today: bare-host URLs only, dormant — but moving
gateway behind a sub-path in prod would have silently 404'd.
O-WARN2: url.Parse is permissive — typo "127.0.0.1:3211" (no scheme)
parses fine, produces empty Host, every request 502s. mustParseUpstream
fail-fast at startup with a clear message naming the offending
config field.
Dismissed (3, all Kimi, same false TrimPrefix theory):
K-BLOCK "TrimPrefix loops forever on //v1storage" — false, single
check-and-trim, no loop
K-WARN "no upper bound on repeated // removal" — same false theory
K-WARN "goroutines leak if upstream parse fails while binaries
running" — confused scope; binaries are separate OS processes
launched by the smoke script
D1 smoke updated (post-D6): the 501 stub probes are gone (gateway no
longer stubs /v1/ingest and /v1/sql). Replaced with proxy probes that
verify gateway forwards malformed requests to ingestd and queryd. Launch
order changed from parallel to dep-ordered (storaged → catalogd →
ingestd → queryd → gateway) since catalogd's rehydrate now needs
storaged, queryd's initial Refresh needs catalogd.
All six G0 smokes (D1 through D6) PASS end-to-end after every fix
round. Phase G0 substrate is complete: 5 binaries, 6 routes, 25 fixes
applied across 6 days from cross-lineage review.
G1+ next: gRPC adapters, Lance/HNSW vector indices, Go MCP SDK port,
distillation rebuild, observer + Langfuse integration.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Phase G0 Day 5 ships queryd: in-memory DuckDB with custom Connector
that runs INSTALL httpfs / LOAD httpfs / CREATE OR REPLACE SECRET
(TYPE S3) on every new connection, sourced from SecretsProvider +
shared.S3Config. SetMaxOpenConns(1) so registrar's CREATE VIEWs and
handler's SELECTs serialize through one connection (avoids cross-
connection MVCC visibility edge cases).
Registrar.Refresh reads catalogd /catalog/list, runs CREATE OR
REPLACE VIEW "name" AS SELECT * FROM read_parquet('s3://bucket/key')
per manifest, drops views for removed manifests, skips on unchanged
updated_at (the implicit etag). Drop pass runs BEFORE create pass so
a poison manifest can't block other manifest refreshes (post-scrum
C1 fix).
POST /sql with JSON body {"sql":"…"} returns
{"columns":[{"name":"id","type":"BIGINT"},…], "rows":[[…]],
"row_count":N}. []byte → string conversion so VARCHAR rows
JSON-encode as text. 30s default refresh ticker, configurable via
[queryd].refresh_every.
Cross-lineage scrum on shipped code:
- Opus 4.7 (opencode): 1 BLOCK + 4 WARN + 4 INFO
- Kimi K2-0905 (openrouter): 2 BLOCK + 2 WARN + 1 INFO
- Qwen3-coder (openrouter): 2 BLOCK + 1 WARN + 1 INFO
Fixed (4):
C1 (Opus + Kimi convergent): Refresh aborts on first per-view error
→ drop pass first, collect errors, errors.Join. Poison manifest
no longer blocks the rest of the catalog from re-syncing.
B-CTX (Opus BLOCK): bootstrap closure captured OpenDB's ctx →
cancelled-ctx silently fails every reconnect. context.Background()
inside closure; passed ctx only for initial Ping.
B-LEAK (Kimi BLOCK): firstLine(stmt) truncated CREATE SECRET to 80
chars but those 80 chars contained KEY_ID + SECRET prefix → log
aggregator captures credentials. Stable per-statement labels +
redactCreds() filter on wrapped DuckDB errors.
JSON-ERR (Opus WARN): swallowed json.Encode error → silent
truncated 200 on unsupported column types. slog.Warn the failure.
Dismissed (4 false positives):
Qwen BLOCK "bootstrap not transactional" — DuckDB DDL is auto-commit
Qwen BLOCK "MaxBytesReader after Decode" — false, applied before
Kimi BLOCK "concurrent Refresh + user SELECT deadlock" — not a
deadlock, just serialization, by design with 10s timeout retry
Kimi WARN "dropView leaves r.known inconsistent" — current code
returns before the delete; the entry persists for retry
Critical reviewer behavior: 1 convergent BLOCK between Opus + Kimi
on the per-view error blocking, plus two independent single-reviewer
BLOCKs (B-CTX, B-LEAK) that smoke could never have caught. The
B-LEAK fix uses defense-in-depth: never pass SQL into the error
path AND redact known cred values from DuckDB's own error message.
DuckDB cgo path: github.com/duckdb/duckdb-go/v2 v2.10502.0 (per
ADR-001 §1) on Go 1.25 + arrow-go. Smoke 6/6 PASS after every
fix round.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Phase G0 Day 4 ships ingestd: multipart CSV upload, Arrow schema
inference per ADR-010 (default-to-string on ambiguity), single-pass
streaming CSV → Parquet via pqarrow batched writer (Snappy compressed,
8192 rows per batch), PUT to storaged at content-addressed key
datasets/<name>/<fp_hex>.parquet, register manifest with catalogd.
Acceptance smoke 6/6 PASS including idempotent re-ingest (proves
inference is deterministic — same CSV always produces same fingerprint)
and schema-drift → 409 (proves catalogd's gate fires on ingest traffic).
Schema fingerprint is SHA-256 over (name, type) tuples in header order
using ASCII record/unit separators (0x1e/0x1f) so column names with
commas can't collide. Nullability intentionally NOT in the fingerprint
— a column gaining nulls isn't a schema change.
Cross-lineage scrum on shipped code:
- Opus 4.7 (opencode): 4 WARN + 3 INFO (after 2 self-retracted BLOCKs)
- Kimi K2-0905 (openrouter): 1 BLOCK + 2 WARN + 1 INFO
- Qwen3-coder (openrouter): 2 BLOCK + 2 WARN + 2 INFO
Fixed (2, both Opus single-reviewer):
C-DRIFT: PUT-then-register on fixed datasets/<name>/data.parquet
meant a schema-drift ingest overwrote the live parquet BEFORE
catalogd's 409 fired → storaged inconsistent with manifest.
Fix: content-addressed key datasets/<name>/<fp_hex>.parquet.
Drift writes to a different file (orphan in G2 GC scope); the
live data is never corrupted.
C-WCLOSE: pqarrow.NewFileWriter not Closed on error paths leaks
buffered column data + OS resources per failed ingest.
Fix: deferred guarded close with wClosed flag.
Dismissed (5, all false positives):
Qwen BLOCK "csv.Reader needs LazyQuotes=true for multi-line" — false,
Go csv handles RFC 4180 multi-line quoted fields by default
Qwen BLOCK "row[i] OOB" — already bounds-checked at schema.go:73
and csv.go:201
Kimi BLOCK "type assertion panic if pqarrow reorders fields" —
speculative, no real path
Kimi WARN + Qwen WARN×2 "RecordBuilder leak on early error" —
false convergent. Outer defer rb.Release() captures the current
builder; in-loop release runs before reassignment. No leak.
Deferred (6 INFO + accepted-with-rationale on 3 WARN): sample
boundary type mismatch (G0 cap bounds peak), string-match
paranoia on http.MaxBytesError, multipart double-buffer (G2 spool-
to-disk), separator validation, body close ordering, etc.
The D4 scrum produced fewer real findings than D3 (2 vs 6) — both
were architectural hazards smoke wouldn't catch because the smoke's
"schema drift → 409" assertion was passing even in the corrupted-
state world. The 409 fires correctly; what was wrong was the PUT
having already mutated the live parquet before the validation check.
Opus's PUT-then-register read of the order is exactly the kind of
architectural insight the cross-lineage scrum is designed to surface.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Phase G0 Day 3 ships catalogd: Arrow Parquet manifest codec, in-memory
registry with the ADR-020 idempotency contract (same name+fingerprint
reuses dataset_id; different fingerprint → 409 Conflict), HTTP client
to storaged for persistence, and rehydration on startup. Acceptance
smoke 6/6 PASSES end-to-end including rehydrate-across-restart — the
load-bearing test that the catalog/storaged service split actually
preserves state.
dataset_id derivation diverges from Rust: UUIDv5(namespace, name)
instead of v4 surrogate. Same name on any box generates the same
dataset_id; rehydrate after disk loss converges to the same identity
rather than silently re-issuing. Namespace pinned at
a8f3c1d2-4e5b-5a6c-9d8e-7f0a1b2c3d4e — every dataset_id ever issued
depends on these bytes.
Cross-lineage scrum on shipped code:
- Opus 4.7 (opencode): 1 BLOCK + 5 WARN + 3 INFO
- Kimi K2-0905 (openrouter, validated D2): 2 BLOCK + 2 WARN + 1 INFO
- Qwen3-coder (openrouter): 2 BLOCK + 2 WARN + 2 INFO
Fixed:
C1 list-offsets BLOCK (3-way convergent) → ValueOffsets(0) + bounds
C2 Rehydrate mutex held across I/O → swap-under-brief-lock pattern
S1 split-brain on persist failure → candidate-then-swap
S2 brittle string-match for 400 vs 500 → ErrEmptyName/ErrEmptyFingerprint sentinels
S3 Get/List shallow-copy aliasing → cloneManifest deep copy
S4 keep-alive socket leak on error paths → drainAndClose helper
Dismissed (false positives, all single-reviewer):
Kimi BLOCK "Decode crashes on empty Parquet" — already handled
Kimi INFO "safeKey double-escapes" — wrong, splitting before escape is required
Qwen INFO "rb.NewRecord() error unchecked" — API returns no error
Deferred to G1+: name validation regex, per-call deadlines, Snappy
compression, list pagination continuation tokens (storaged caps at
10k with sentinel for now).
Build clean, vet clean, all tests pass, smoke 6/6 PASS after every
fix round. arrow-go/v18 + google/uuid added; Go 1.24 → 1.25 forced
by arrow-go's minimum.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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