FLUID-WP-0004 T01, T02, T05, T06. The pipeline is the only path from
Candidate to Verified: no other code constructs a Verified value, and
Publish takes one, so "AI-generated artifacts are untrusted until
verified" is a property of the type signatures rather than a rule people
are asked to remember.
The policy gate is a pure function of the candidate, the governing
intent and configured limits. It cannot consult a model or take an
opinion as input, because a gate that can be argued with is not a gate.
Two behaviours it enforces are worth naming: the tighter of the
descriptor's own traffic ceiling and the gate's wins, so a descriptor
can restrict itself but never widen; and a daimon cannot authorize its
own promotion below FLUID-5, since generation authority is not promotion
authority.
Signatures cover the canonical document with the signature member
removed, so a signed descriptor round-trips and a tampered one does not.
The registry now refuses anything that does not verify, which is what
makes the pipeline's signature mean something at the router.
An unchecked pipeline stage is recorded as unchecked rather than
omitted, so a pipeline with no security check cannot look identical to
one that passed.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Completes FLUID-WP-0003. The evidence store is append-only at the
database, not by convention in Go: a trigger blocks UPDATE and DELETE on
fluid_events in both SQLite and Postgres, so the guarantee binds a psql
session and the CLI equally, not just callers who go through the Go API.
Records are derived summary state and may be superseded; the event log
stays the authority.
The intent store makes a recorded version immutable and content
addressed, since reassigning what governed a revision after the fact
would break the one audit question Blueprint 27 exists to answer. The
unfilled InterfaceEvolutionIntent template is rejected rather than
defaulted, because a template still listing every FLUID-N mode has not
been completed and defaulting it would pick a permissive authority by
accident.
The CLI reads the evidence store directly rather than through the
control-plane API, so an operator can reconstruct history when the
control plane is down.
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Completes the request path for FLUID-WP-0003 T01-T03 and T05-T07. The
gateway resolves a revision, routes to the adapter process, and records
what happened, without ever depending on the control plane to serve.
Three behaviours carry tests because the architecture rests on them:
Emit never blocks against a stalled sink (Blueprint 34.2), the gateway
keeps serving after control-plane loss (invariant 2), and backend
internals do not leak into error responses (5.7).
The connector retries only idempotent methods, so a slow adapter cannot
cause a hall-of-helix entry to be published twice, and breakers are
per-revision so a broken candidate does not take the stable revision
down with it.
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The registry is a cached snapshot rather than a control-plane client, so
the data plane keeps serving when the control plane dies (Blueprint
34.6). Routing policy generations are monotonic: a delayed older policy
is refused rather than silently rolling back an in-flight experiment's
allocation.
The resolver implements the Blueprint 5.2 precedence chain and records
why each revision was chosen. Experiment allocation is a deterministic
function of a sticky key namespaced by experiment id, so a consumer
stays in one arm for the experiment's duration and does not land in the
same arm of every concurrent experiment.
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Completes FLUID-WP-0002. The record types in internal/contract are
generated from schemas/ by a dependency-free generator; fixtures
transcribed from the spec's worked examples validate against those
schemas and round-trip through the generated types with
DisallowUnknownFields, so a spec change that misses the schemas fails
CI rather than drifting silently.
Adds identifier prefix helpers, Makefile, GitHub Actions, and five ADRs
recording the Go choice, out-of-process attachment, the wire contract as
boundary, the evidence store, and revision identity.
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Nine JSON Schemas covering the five record types from the schema spec,
plus backend requirements, feedback, the revision descriptor, routing
policy and the telemetry envelope. These are the integration boundary:
readable without any fluid-core code, so adapters may be written in any
language.
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Updated by fix-consistency on 2026-09-04:
- update .custodian-brief.md for fluid-core
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Adds the repository structure, INTENT.md declaring the wire-contract
boundary, and seven workplans covering Blueprint Phases A-C plus the
fluid-telegram handover.
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