Ghostlight/notes/ghostlight-implementation-plan.md

Ghostlight Implementation Plan

Status: the historical plan of the 2026-09 rebuild. Steps 1-16 are landed or deferred by ruling; this is not the current plan. Current work is the campaign ghostlight-verse in the Eureka mind (see AGENTS.md).

Objective

Rebuild Ghostlight Dungeon as one legible world machine: one lifecycle, one typed ontology, one command ingress, one authority derivation path, and one atomic persistence owner. Preserve narrative roleplay where it matters and use direct operational cognition where it is a better fit, without granting either mode additional authority.

Current mechanism

Pushed commit 6bb6869 makes the sealed mailbox/kernel architecture the crate and executable runtime identity. Pushed commit 13d5136 places app sessions, the world journal, and controller custody behind the one vendored CultCache implementation and removes the duplicate persistence dependency. The committed daemon tree contains no pre-rebuild Session Zero, legacy kernel, scheduler, assessor, verifier/reconciliation, or legacy-transition module path.

Production has not crossed that source boundary. Yggdrasil still runs legacy release a4080d4 under an enabled Restart=always unit and a legacy state root. CultNet through CultLib 85f7024 owns generation-bound activation, separate lifecycle-brake, process-write-lease, observed-capability, explicit disagreement, and routed RUDP incarnation admission contracts. Odin through pushed 65cf2b2 owns deterministic recipe and binding admission, exact source freezing, sealed releases, Expected projection, the narrow native actuator ports, and the durable three-record transaction and admitted-generation engine. Remaining Odin work is Idunn projection, bounded RUDP transport, and stable-route integration; the active move is to finish and prove those before one-way live cutover.

Authority map

• Owner: one sealed per-world WorldKernel owns its private aggregate, reducer, ID allocator, and journal writer. The public crate boundary exposes only create/open, immutable snapshot, command submission, and typed receipts; it does not expose mutable WorldState, the canonical entity-ID allocator, reducer entry points, or generic journal writes.
• Inputs: an authenticated CommandEnvelope with stable command ID, exact world and expected revision, principal evidence, one closed command body, and exact source receipts where needed. The kernel privately loads current state, derives authority, and supplies deterministic clock or entropy. Human, Interpreter, operational-agent, author, scheduler, and external-owner output is proposal material only.
• Outputs: a rejection receipt changes nothing. An accepted command returns one WorldCommit, including any reducer-issued ID mapping, and atomically appends one digest-chained revision. A structurally valid command that lowers to no factual, speech, lifecycle, or time mutation is refused with Mismatch::NoCanonicalChange inside PatchRejected and does not advance revision, change either digest, allocate IDs, or append a journal row.
• Derived state: immutable snapshots and subject views, currently executable affordance catalogs, revision-bound DecisionOpportunity values, scheduler queues, translation gaps, projections, news, transcripts, model receipts, checkpoints, coverage counts, and evaluations. Translation gaps may be kept as inference/evaluation telemetry or motivate a later explicit author proposal; they are not a WorldState component, event, or mutation.
• Forbidden writers: public state setters or ID issuers; direct reducer callers; generic CultCache insert/append handles; schedulers or controllers that assign authority, mint executable affordances, consume opportunities, or commit; automatic translation-gap lowering; empty commits; the old Session Zero publication path, aggregate Campaign writer, legacy transition projection, alternate elaboration and mutation inputs, verifier/reconciliation agents, recovery repair loops, and external consumer callbacks.
• Shared paths: draft creation, approval, activation, player action, autonomous action, author expansion, time, travel, imports, reload, and administration use create/open/snapshot/submit and the same private derive/reduce/commit primitive. Controller harnesses submit an exact typed proposal as an ordinary command. Recovery opens and verifies the same journal; it cannot call a repair reducer.
• Cut line: the rejected public ontology stays deleted. Translation-gap records stay outside canonical world state. No public constructor or helper may issue a canonical ID, mutate an aggregate, invoke the reducer, or write the journal. Obsolete writers are deleted or reduced to read-only evidence before their replacement path is called complete.
• Verification layer: compile-time visibility proves that an external crate cannot invoke the ID allocator, mutate WorldState, call the reducer, or obtain the journal writer. Focused black-box tests prove that a caller-supplied unknown ID cannot become canonical, plus atomic rejection, no-op non-commit, reducer-only ID allocation, exact restart/digest recovery, translation-gap non-authority, and opportunity rejection when revision, controller, scope, or executable affordance does not match.

SessionZeroKernel is no longer a target owner; Draft is a WorldState phase. Aggregate Campaign state is no longer an owner; aggregate views are derived from typed components. A checkpoint is no longer a repair authority; it is a projection of committed history.

Invariants

1. Every world mutation passes through one deterministic reducer and one atomic compare-and-swap commit.
2. Authority is derived inside the kernel from canonical membership, governance, custody, jurisdiction, and controller scope.
3. Each autonomous decision scope has exactly one controller. Cognition mode changes representation only; there is no fallback or double action.
4. Narrative interpretation is total. Persona prose is preserved; faithful typed proposals and exact translation gaps account for the turn. The Interpreter does not accept, reject, or commit world state.
5. Structural invalidity is rejected deterministically before persistence and without a model verifier. A failed batch changes nothing.
6. Private knowledge remains scoped until an explicit communication command or a witnessed event under the subject's place changes it.
7. External consumers retain sovereignty. Ghostlight views, proposals, and acknowledgements cannot mutate external-owned state.
8. Sparse causal sufficiency governs structural validity; counts and qualitative review remain evaluation evidence and never gate admission. Elaboration additionally pursues the seed's authored WorldScaleIntent as a derived scale deficit; cover budget is the deliberate choke on simulation attention.
9. Restart reconstructs the exact committed world and idempotency history; a recovery loop cannot repair or reinterpret it.
10. Canonical IDs are allocated only while a complete private reduction is being admitted. Rejected and no-effect commands cannot consume or reveal them.
11. Controller assignment and affordance grants are canonical aggregate state. Current executability and decision opportunities are deterministic derivations bound to a scope digest over the components they read; a proposal whose scope digest is unchanged commits at a later revision, and one whose scope changed is rejected. A scheduler can order those opportunities but cannot mint their authority.

Implementation sequence

1. Seal the aggregate boundary — landed

Establish WorldKernel with a private aggregate and private journal child before publishing ontology types. Expose only create/open, immutable snapshot, submit, and typed receipts. Make canonical state mutation, ID allocation, reduction, and CultCache writes unreachable from outside the owning module. Prove the visibility boundary and the one-writer transaction seam before widening the state vocabulary.

2. Add the minimal private reducer — landed

66ed2ec implements the state and command vocabulary required for Draft creation, approval, activation, one human action, and one autonomous action. The aggregate owns controller assignments and affordance grants and derives exact revision-bound opportunities. IDs issue only after complete seed validation; rejected and empty reductions do not commit. Places, relations, resources, external ownership, and other ontology components wait for a live typed causal boundary.

3. Prove the private authority slice — landed

Eighteen focused tests exercise Draft creation, approval, activation, one human decision, one NarrativePersona-controlled decision, and one OperationalAgent-controlled decision through the same aggregate action command. They cover exact controller scope and affordance matching, revision-bound opportunity rejection, restart, immutable genesis, idempotency, serialized mailbox ownership, cancellation, lost reply semantics, and forged-history rejection. Controller mode changes representation only; it does not create a second reducer path.

Live NarrativePersona integration still requires the Projector to emit prose context, the Persona to return prose only, and the runner first to persist an immutable receipt-bound Persona turn. The Interpreter returns a completed report containing that exact noncanonical source prose, zero or more typed proposals, and zero or more translation gaps. Spoken words require a typed speech proposal. Invalid capture spans and normal step exhaustion become exact unresolved-source gaps. Any transport or dispatch fault before explicit finalization discards partial captures and leaves the immutable source pending for a fresh attempt; it does not become semantic interpretation failure.

Live OperationalAgent integration receives only its permissioned typed view and tools. Its proposals enter the same command path as narrative proposals. It does not bypass projection privacy, authority derivation, or the reducer.

4. Expose, wire, and cut — landed in source

Commits 6bb6869 and 13d5136 expose the replacement facade as the crate and executable runtime identity while keeping mutable state, ID issuance, reduction, journal access, and authenticated-caller construction sealed. Startup creates or opens one replacement owner and spawns one mailbox; runtime consumers receive only the mailbox-facing command and snapshot surface.

Draft creation, approval, activation, player decisions, and autonomous controller proposals now enter that boundary. The committed daemon tree no longer contains the old Session Zero, legacy kernel, scheduler, verifier, reconciliation, or recovery-writer routes. There is no dual-write or live compatibility router in source.

Resolution, elaboration, transcript/news projection, and external publication remain future typed consumers at their causal boundaries. Model transport, Vault retrieval, Heimdall identity, Eve/CultMesh projection, Idunn health, and external adapters survive only where their ownership remains clean.

5. Integrate deployment actuation and cut production — active

The deterministic foundation is landed: target recipes and Idunn operator bindings compile into private plans and sealed releases, and only a sanitized Expected incarnation may leave that control plane. Shared CultNet contracts own generation-bound activation, service-signed Present health, observed capabilities, explicit disagreement, and process-bound write leases. Odin through pushed 65cf2b2 lands the exact source path, the narrow actuator ports, dynamic systemd isolation, Ready-provider selection, protected activation delivery, and the deployment engine that replaced the command-owner stub.

That engine persists exactly three control record types: one command with a frozen target order, one crash-resumable transaction per target, and one CAS-owned admitted generation per target. The transaction phases are Sealing, Starting, Warming, Fencing, Leasing, AwaitingReady, Routing, Committing, and Complete; stateless targets skip only fencing and leasing. Activation is prepared without starting a process, its public identity is persisted, and only then may the prepared process start. A credential or unit with no persisted activation owner is an orphan and cannot be adopted. Committing atomically replaces the exact incumbent and completes the transaction.

Targets own constrained launch declarations, never raw unit or container templates. The operator binding selects the workload driver, which alone lowers that declaration into process-manager configuration. Likewise, deterministic plan validation retains exact commit, tree, recipe, and Gitlink facts but proves neither ancestry, signatures, nor object custody; the narrow Idunn-owned source driver must establish those facts before actuation.

The integrated path must publish Expected from the sealed plan and release, record Idunn's observation of the exact runtime activation, and require the service's signed Present health. A stateful candidate receives its process-bound write lease before it opens writable state. Odin alone correlates Expected, activation, and Present into Ready. Only after Ready may Idunn change stable route membership and drain the incumbent. The deployment brake gates body changes; same-release continuity remains separately owned and may be stopped only by an explicit lifecycle brake.

Idunn starts and recovers from its own durable admitted state. Odin is the first managed semantic daemon, never an Idunn bootstrap dependency; initial Odin admission is the sole graph-bootstrap exception and begins from a root-admitted local binding. During an Odin outage, Idunn may preserve already-admitted continuity and routes, but it may not start a graph-changing transaction or promote without the exact frozen Odin Ready receipt for that runtime instance and presence digest. Idunn never manufactures Ready locally.

Deploy CodexConnector first, then Ghostlight. Ghostlight's live cut archives the entire legacy state root, creates a clean world-v3 root, and validates a complete allowed live layout. After route, health, process, write lease, restart, and negative legacy checks agree, delete the old units, releases, state roots, acceptance debris, gamecult-ops target deploy programs, and local run scaffolding.

6. Widen the ontology to the causal boundary — landed

The operator ordered this stage ahead of the deployment cutover. Step 2 deferred places, relations, resources, and external ownership until "a live typed causal boundary" existed; this stage builds that boundary.

The closed vocabulary is docs/architecture/ghostlight-world-ontology.md: typed ID namespaces, draft-handle references resolved inside one closed WorldPatch, twelve decision-constraining components over twenty-seven named operations, world-authored affordances (preconditions, effect slots, outcome bands) that make character action a deterministic precondition-effect transition, four derived CausalBoundary kinds (a draft SeedRequest is representable, not inhabited: Draft answers nothing), scope-digest binding for proposals, and one AdmitPatch command shared by seed admission and boundary elaboration. An elaborator is one OperationalAgent loop whose tool catalog is a projection of the operation set, shaped by a lens drawn from the world's weights (step 15). The document carries its own cut line, subtraction budget, build budget, and eighteen-proof verification contract.

Implementation order, each pass landing tests before the next begins:

1. Typed ID namespaces, Ref<Id> with draft handles, closed-patch resolution, and the complete mismatch set; no components yet. Proves the Run 115 rejection shape against an otherwise empty ontology.
2. Position, Route, containment, topology admission, and scope-digest binding for opportunities.
3. Custody, Dependency, conservation, and evidenced admission.
4. Affordance catalog: preconditions, effect slots, kernel-entropy band selection, and the action pipeline replacing Speak-only invocation.
5. Authority, Selection, Redress, and institutional affordances.
6. Knowledge, Channel, Fact standing, and scoped-projection non-leakage.
7. Commitment, Pressure, obligation → pressure → opportunity flow, and boundary derivation.
8. AdmitPatch with boundary and scale-deficit binding (Draft answers nothing; SeedRequest stays uninhabited); WorldScaleIntent with structural qualification and per-jurisdiction deficit derivation; and the derived elaborator tool catalog.
9. Budgeted connected cover: agency-graph partition under the cell budget, singleton detail focus, grouped coarse cells with partitioned views and per-constituent attribution, debt rotation. Scheduler-owned; the kernel never sees a cell.
10. Consumer ingress: landed in pass 10. SystemCapability::Consumer is the world's third AdmitPatch author, minted only by WorldMailbox::submit_consumer after crates/ghostlight/src/consumer.rs authenticates a ConsumerPatchDocument against a ConsumerRegistry secret digest. require_patch_author/confine_to_ground widen to PatchGround::Consumer, confining a consumer to the subjects declared NewController::External { consumer } (ControllerAssignment::ExternallyControlled, no controller ID, no mode, no opportunity, no affordance). patch::decode_patch is the one decode bound, shared by the elaborator lane and the consumer lane, under MAX_PATCH_BYTES/_DECLARATIONS/_OPERATIONS/_EVIDENCE. The transport is POST /cultnet/world-patch, loopback-only, canonical MessagePack, schemas ghostlight.consumer_patch.v0 and ghostlight.consumer_receipt.v0; the state/commit schemas bumped to ghostlight.world_state.consumer.v1 / ghostlight.world_commit.consumer.v1 (world-v3). The outbound consumer response — a consumer reading its own projection or an attributed proposal — is the next seam, not part of this pass.

The deployment cutover (step 5) is deferred behind this stage, not cancelled. No world acceptance run may start while Yggdrasil serves the legacy body.

7. Contract verification

8. Seed producer — landed

Objective: a world that is alive at genesis rather than three subjects in one room. The first live smoke (notes/local-live-smoke.md) proved the road and showed that genesis yields thin prose because nothing authored exists to want or be wanted.

What landed: world_create.v2 carries WorldScaleIntent (targets and jurisdiction roots) into the genesis patch itself, write-once; a v1-announcing invocation is refused before any handler runs. qualifies lost its Draft-excluding phase clause, so a Draft world's scale deficit is live and falls as structure is authored; the Draft-answer refusal that used to hide behind that clause now lives only in require_answer. The Draft seed lane — SeedPort (two methods, snapshot and submit_seed), SeedRunner, SeedSession/SeedCheckpoint, ControllerWork::Seed and WorkLane::Seed on controller_work.v10 — runs one authoring session per world.seed invocation on the existing elaboration repair loop, admitting at most one Draft patch as CallerId::Principal(owner) through the unconfined owner lane; there is no marker in the journal distinguishing a seed-authored patch from a hand-authored one. VaultEvidenceSource (crates/ghostlight/src/vault.rs) is the seed lane's production EvidenceSource: a read-only markdown directory reader whose evidence reference is a note's vault-relative .md path. world.advance_time's missing operation_schema entry — every invocation of it was silently unreachable — was fixed ahead of world.seed, and every_operation_the_panel_emits_has_a_schema is the totality test that makes that class of gap fail loudly instead of silently.

SeedRequest is resolved in the negative: Draft answers nothing, and the seed lane's port cannot express an answered patch, so nothing ever needed SeedRequest to bind. It stays representable in the CausalBoundary vocabulary and uninhabited in practice.

Left undone: the seeded live run (the extended local live smoke seeds a world from a real Vault before ticking it, but has not yet been run against a real connector — see notes/local-live-smoke.md); ControllerWorkCustody::Owned gained a seed_commands count while Grouped still has none, an asymmetry named and not fixed; the Vault's keyword fallback scores by raw token-count match rather than any real relevance ranking; and VaultEvidenceSource::open reads its whole configured scope into memory on every invocation rather than caching across sessions.

Cut line: no new reducer, ID allocator, conservation check, or SystemCapability; no second tool surface; no compatibility path for the three-subject genesis.

Required black-box proofs:

1. Draft → Active → player action → autonomous action → restart preserves the exact digest and commit history.
2. Invalid ontology patches are atomic and model-free; a typed causal boundary can activate sparse new state.
3. Models, scheduler, projection, and recovery are inert without an explicit aggregate submission.
4. Private knowledge stays private until explicit communication.
5. External proposals and acknowledgements cannot mutate consumer-owned state; only a fresh owner snapshot can update the local observation.
6. Narrative and operational controllers have exact disjoint scopes, never fall through, and never consume one opportunity twice.
7. Interpretation always completes semantically and preserves unlowered material as translation gaps.
8. A no-effect command leaves revision, state digest, commit digest, ID allocation, and journal length unchanged.
9. An external crate cannot obtain mutable aggregate state, invoke the canonical ID allocator, call the reducer, or write the journal; a caller-supplied unknown ID is rejected rather than admitted.
10. A decision proposal is rejected when its opportunity's scope digest has changed or its controller or currently executable affordance is wrong; the scheduler cannot manufacture or consume authority.

A 1,200-actor synthetic fixture may measure load after these pass. It cannot serve as an ontology or completeness gate. No live Delvehold acceptance run is admitted before the focused suite passes and the old writers are structurally unable to override the aggregate.

9. Interruption — landed

Objective: a subject whose world moved between forming an intent and committing it is interrupted, not silently refused, and the interruption is narrated from what it could perceive.

Landed mechanism: a proposal binds to the scope digest of the components its verification reads; when another commit moves that digest before the proposal lands, the kernel refuses it with ScopeChanged. The narrative lane's own early scope checks are deleted — the kernel's exact_opportunity is the sole detector for the narrative lane, and ScopeChanged on submit is the one event with one handler, submit_narrative's interrupted arm. The Persona is never re-run: on ScopeChanged the runner re-lowers the same prose once through the Interpreter against a fresh opportunity (select_fresh/select_scope), with a second input — an Interruption carrying the fresh ScopeComponents, the Overheard rows later than the turn's bound revision, and the discarded first-lowering evidence. The re-lowered turn is PersonaTurn::recorded fresh, never mutated, and carries interrupted_from pointing at the binding it replaced; a turn whose binding already carries interrupted_from is not re-lowered again — it ends as NarrativeRun::Interrupted, structurally, because no progression arm gives a re-lowered binding a second successor. A fresh opportunity whose granted set has lost Speak also ends the turn as Interrupted rather than spending an Interpreter round on an invocation it cannot express. Interruption is defined by the digest, so a neighbour's act, a clock tick that rolls a routine's due, an elaborator patch, a consumer document, and a world-scale event are one case, indistinguishable at the handler. Schema bumps: controller_work.v11 and ghostlight.persona_turn_receipt.v3; prior rows are refused, not migrated. The kernel's interruption still carries the subject, both scope digests, the persona prose and receipt digest, and the untranslatable gap; the play agent's Cut 1 (d69e9d4) deleted the owner's dispatch surface and ControllerHttpResult::Interrupted with it, so nothing in Dungeon reports an interruption today. Reporting a re-lowered turn to the play agent's own turn record is Cut 8's.

Cut line held: no new kernel arm, bundle, or joint command; no second Persona turn; no event log reaches a controller; the delta shown to the Interpreter is exactly what the membrane already lets the subject perceive (Overheard is built only from Told rows with a resolved speaker label, never a raw knowledge row). The joint-per-room Interpreter was considered and rejected: the room is not the unit of interruption, the digest is.

What is undone: no road run has exercised the re-lowering against a live provider; none exists yet. Closed since landing: fork D's branch was dead by construction (grants are insert-only, so a fresh opportunity always carries speech) and is deleted; transfer, route-closing, and grant-revocation causes are proven anonymous by Soul; an end-to-end test carried an interruption through a real tick via run_cover_tick and showed the overtaken turn committing nothing, before the play agent's Cut 1 (d69e9d4) deleted run_cover_tick and the tick driver it drove; a witness landing mid-turn yields the anonymous knowledge line and no overheard row. Still open: the elaborator-patch cause is proven only by the shared code path, not by a fixture that drives the elaborator past its answer gate; and whether Eve's command-result vocabulary needs a fourth state for an overtaken turn is the Eve owner's question.

10. Witnessed events over a place subtree — landed

Objective: stories that carry regional and global effects. An asteroid is witnessed by everyone under a region's root; the moon going dark by everyone under a hemisphere's; a subject standing in a village under both sees both.

Landed mechanism: ComponentOp::Witness { fact, place, confidence } lands Witnessed knowledge of the fact on every subject positioned anywhere under the place. Recipients are never stored; ResolvedOp::Witness's apply arm derives them at apply time through under_place, the same subtree walk audience's Reach::Place arm now calls, so a declared broadcast area and a witnessed event share one definition of "under a place". Whoever already holds the fact is dropped through unheld, factored out of fan_out's old inlined filter so Communicate and Witness cannot disagree about who already knows. A telling still occurs into an empty room, so Communicate's empty fan-out stays a legal no-op; a witnessed event is only its reception, so a Witness over an empty subtree, or one where every standing subject already holds the fact, is refused as Mismatch::NoOperationEffect at resolve (over the candidate graph, including this patch's own relocations) and KernelError::Invariant("a witness reaches nobody who does not already hold the fact") at apply — one rule, both layers. Confinement runs through one new operation_ground arm returning the named place as the whole ground: an elaborator may witness only under its own jurisdiction root, and a PatchGround::Consumer patch can never witness, because its ground names no place. Every recipient's scope digest moves and nobody else's does, which is what makes a regional or global event interrupt whoever was mid-thought (step 9).

Beyond the operation itself, an affordance slot, ComponentOpKind::Witness { confidence } with roles [fact, place] and no subject role, was not anticipated by this plan's text but was needed to let a world-authored affordance (a bell, a beacon) cause a witnessed event without a proposer ever naming a speaker; the source is Witnessed by construction, since ComponentOp::Witness has no field a teller could enter. One PATCH_TOOLS entry, witness, rounds out the model-facing surface. Both store schemas moved to ghostlight.world_state.consumer.v2 and ghostlight.world_commit.consumer.v2; a store written under the prior schema is refused, not migrated.

Cut line held: one fan-out owner (under_place), shared by audience and Witness; one never-overwrite owner (unheld), shared by fan_out and Witness; no stored recipient list; a witness names no speaker, so Told stays unrepresentable outside Communicate; no new Mismatch, KernelError variant, CommandBody, SystemCapability, or CompositeShape; verify_state_shape, can_broadcast, and candidate_in_audience untouched.

What is undone: the affordance-declaration refusal for a slot whose second role binds a subject is proved directly through arity and role_kind_fits, not by submitting a malformed AffordanceDeclaration through admission — the gate is the one gate either way, but the submission path itself is untested. The grouped lane's cost is untouched: a region-wide or global witness still discards a grouped cell's in-flight work for every constituent it touches, which is the debt this pass explicitly declined to pay.

11. Claude SDK inference port — landed

Objective: run Ghostlight's inference lanes on the Claude subscription while no Codex subscription or API budget exists, without moving the harness.

Landed mechanism: two InferencePort implementors behind one RoutedInferencePort, chosen per lane by the configured model's prefix (GHOSTLIGHT_SDK_MODEL_PREFIX, default claude) — a claude-prefixed model reaches SdkInferencePort, anything else reaches the existing CodexConnectorInferencePort unchanged. SdkInferencePort spawns a Node sidecar (sidecar/claude-sdk/, a TypeScript package on @anthropic-ai/claude-agent-sdk 0.3.261, @msgpack/msgpack 3.1.3, and zod 4.5.4, all exact-pinned) as a child process over stdio, framed as a 4-byte big-endian length prefix plus rmp_serde::to_vec_named bytes. One request is one SDK query with the system prompt replaced, built-ins stripped, settings sources empty, the request's tools registered as in-process SDK tools, a derived turn cap, and the request's model. Execute-through: each tool call the model makes crosses the pipe and is answered by ToolResultOracle, one trait with four implementors (InterpreterOracle, OperationalOracle, GroupedOracle, ElaborationOracle) — each is the lane's own evaluator fold, extracted whole into a free function (interpreter_tool_result, operational_tool_result, grouped_tool_result, and the already-factored apply_tool_call) and replayed over completed at construction, so the string handed to the model is the same one re-derivation will recompute. The sidecar computes no tool result itself.

One free function, prepare_invocation, is the sole owner of prepared identity for both ports; ControllerRunner::open is injection-only — with_test_ports is gone, and open takes Arc<dyn InferencePort>, Arc<dyn ControllerWorkStore>, and ControllerModels and nothing transport-specific. runtime::open_controller builds ConnectorBinding and SdkBinding from the environment and calls open_inference, then open_controller_work, then ControllerRunner::open; open_inference routes every one of the five ControllerModels at open time and refuses a model no configured backend claims (ControllerOpenError::UnroutableModel) or a sidecar entry that is not a file (ControllerOpenError::SdkSidecarMissing) before the first tick, not after.

Environment: GHOSTLIGHT_SDK_SIDECAR (the built sidecar entry path; its absence means no SDK binding, not a default path) and GHOSTLIGHT_SDK_MODEL_PREFIX (default claude) are read once in runtime::open_controller. GHOSTLIGHT_CONTROLLER_CREDENTIAL is no longer unconditionally required — an SDK-only configuration reads no credential path at all. GHOSTLIGHT_WRITE_SIDECAR_FIXTURES regenerates the checked-in schema and frame fixtures the Rust and TypeScript sides pin against each other; it is a fixture-authoring switch, not a runtime binding.

Cut line held: no second identity scheme (prepare_invocation is the one owner, both ports call it); no daemon, network port, or CultMesh surface for the sidecar (it is a plain child process, restarted on fault, holding no query state between queries); no credential handling in Ghostlight (the sidecar inherits the ambient Claude Code login and this repo reads, copies, forwards, or logs none of it); the connector port and its execute are untouched; the port is chosen per lane by the configured model, with no mode flag. Two forks the original design did not anticipate: ControllerRunner::open became injection-only rather than keeping a #[cfg(test)] twin, because removing the two transport-specific parameters made the twin's only purpose vanish; and the turn cap rides on the oracle (remaining_rounds) rather than on InferencePurpose, because the elaboration and seed lanes share one purpose but carry different round budgets.

Named liabilities, stated where SdkInferencePort is defined, not hidden in the lowering:

• The receipt is the SDK's message, not wire bytes. Its identity half is computed from the invocation Ghostlight already holds; its provenance half is a session id and message uuids reported by a child process this port spawned. It attests that this exact request produced this exact SDK session; it does not attest against a party Ghostlight does not control, which is what the connector's receipt does.
• A prior round's conversation reaches the model as prose, not as typed turns. The SDK owns the assistant side of its own transcript, so typed tool_call/tool_result turns from an earlier round cannot be replayed into it; they are rendered as strings under one fixed header and appended to the prompt.
• The Zod validation of a tool call's arguments happens in the sidecar before the handler runs, so a model's undecodable arguments never reach Rust as an argument string the oracle can fold over; the sidecar reports a normal dispatched tool call and Rust's own evaluator recomputes the decode failure as an ordinary gap — on the connector path the same failure is a gap recorded by the evaluator directly. Both are gaps; the divergence in exactly which layer detects an undecodable argument can only reach a later round's prompt through the prose transcript.
• error_max_turns handling is inferred from the SDK's own documentation, not observed: the sidecar is written to catch the throw the TypeScript SDK performs after yielding the error result, assemble the events already collected, and emit a normal Output whose receipt records subtype: "error_max_turns", so the lane sees one ordinary round and proceeds rather than faulting. No live query has exercised this path.
• Because the turn cap is the lane's remaining round budget and the lane still counts rounds even when the cap is not reached, a lane whose model never terminates in one turn can spend a triangular number of turns across a round sequence (seed: 24+23+…, bounded by SEED_ROUND_BUDGET) against the connector's flat per-round cost. This is unmeasured: no live run has produced a number to weigh it against.

The SDK port has since carried the road runs recorded in the handoff (runs 8 to 12, through the sidecar, the only live provider). The ad-hoc smoke that drove them was deleted with the tick driver in the play agent's Cut 1 (d69e9d4). No live smoke exists until the play agent's gate.

Exit condition, unchanged from the port's own doc comment: when an ANTHROPIC_API_KEY and a budget exist, a Messages-API port is a closer structural match to InferencePort than the SDK is — inert tool_use blocks, a caller-appended tool_result, a real request id, real concurrency, no subprocess — and SdkInferencePort is deleted rather than extended, keeping RoutedInferencePort and swapping what it routes to. Rejected: a backend inside CodexConnector (a deliberately isolated Codex fork).

One validator on both transports: the sidecar's schema conversion is loose (every property optional, unknown keys kept), so the arguments the model emitted reach Rust's decoder unstripped and a refused argument is the gap the evaluator already records, on the SDK path exactly as on the connector path. Residual: a property whose value has the wrong type reaches Rust as absent rather than as the wrong value, because the SDK derives the advertised tool schema from the same object and refuses a dynamic pass-through; the decoder reports it as missing. The result-subtype mapping (error_max_turns is an output; every error subtype a named fault) is tested in the sidecar without a credential.

Road follow-ups, 2026-09-10, from the first two SDK-backed seeded runs (notes/local-live-smoke.md, "Claude SDK route"): the sidecar's schema conversion now carries every field description through to the advertised tool schema (it dropped all of them, so the claude lane saw bare types); due describes itself as a clock reading and both authoring prompts print the clock, because the model wrote twelve commitments due at or before a clock it was never shown; declare_subject states the grant rule at the point of use; apply_tool_call logs each raw tool call at debug so a refused patch is diagnosed from what the model sent. A kernel refusal now continues the same conversation instead of opening a fresh draft: Refusal { after_round, mismatches } rows on both authoring checkpoints (controller_work.v12; prior rows refused, not migrated), the refusal rendered as the next user turn after the rounds that earned it, and the draft rebuilt by one DraftFold shared by the evaluator and the oracle from the calls after it. The harness takes the connector binding only when GHOSTLIGHT_CONTROLLER_CONNECTOR is set, so an all-claude run needs no connector.

From run 2: the Interpreter's speak and record_gap cite the source by quoting it (source_quote), and the harness locates the quote and derives the span; the model no longer counts bytes, which cut three of eight utterances mid-word. The same invariant holds (only words in the preserved prose become speech; a quote not in the prose is a gap), and a quote that is not canonical utterance text is a gap at capture rather than a quarantine at invocation. RecordGapToolCall in ghostlight-persona-projection changed shape; Epiphany pins that crate by revision and is unaffected until it moves.

From runs 4 to 6 (the membrane traced end to end): the Projector context now carries the acting subject's own life by label (place, routes, holdings, dependencies, authority shape, offices, redress, promises with counterparty, pressure on self; due as minutes from now), never an id; the Projector and Persona prompts render only what the context establishes and treat the word budget as a ceiling; the smoke's GHOSTLIGHT_SMOKE_TRACE writes every request and output. Silence is a legitimate outcome, not a harness failure.

12. The seed authors meaning — landed

Landed 2026-09-11 as mapped, with both recommendations taken: the small typed material record, and a required commitment statement. PersonaMaterial is crates/ghostlight/src/patch.rs's thirteenth-row component (values, voice, memories, reads keyed by subject), set whole by set_persona_material (thirty operations, thirty-nine tools); a commitment carries statement; state and commit schemas are .consumer.v3; an affordance-made promise's statement is "a promise made through ". The Projector context carries the material by label, each promise's statement, and present, the labels of the subjects standing in the same place; the Persona's "Who you are" is the label, the voice, and the values; the typed view carries material and statements by id. Material is not in ScopeComponents, pinned by a test that sets it and watches the scope digest stay. The map that led here follows. Objective: a seeded person speaks from authored meaning rather than the model's default voice, which is the hard boundary "character intelligence is modeled state, not a default model capability".

Current mechanism: the ontology doc names PersonaMaterial (values, voice, memories, reads) as a component and lists set(subject, material) in its operation table, and none of it exists in the kernel; Commitment is kind, counterparty, due, period, checks, with no statement of what is promised. The seed can only author identical people with contentless debts.

Cut: (1) create_commitment gains a required statement: Statement; the catalog count stays 29. (2) set_persona_material(subject, material), a whole-value set carrying values: Vec<Statement>, voice: Statement, memories: Vec<Statement>, reads: Vec<(SubjectId, Statement)>; the count becomes 30 and one tool follows from the catalog. Material is not in ScopeComponents (no precondition reads it), so it cannot interrupt a bound turn. The Projector gains memories and reads by label and the statement beside each promise; the Persona identity block becomes label, voice, values; the Operational typed view gains the same by id. The seed brief asks for a voice, values, memories, and a read of each counterparty per person. Forbidden: any persona_state.v0 document inside WorldState (the portable standard is a boundary projection, a later seam); any prompt-side invention. Schema bumps: world_state.consumer.v3, world_commit.consumer.v3. Also owed from run 6: the Projector says "no one before me" for two people in one house, because the context carries own place and not who else stands there; co-presence by label is the same reach the kernel already derives for speech and belongs in the same cut. Decisions the operator owns: the small typed material record above versus the full portable standard (recommend small), and whether a commitment statement is required (recommend required).

13. The world brief — landed

Landed 2026-09-11. Objective: the people of a world know what world they are in. world_create.v3 carries a required brief, trimmed at ingress and stored on WorldState; it is projected as the guidance of every lane and printed in both authoring prompts, and the two narrative stages that rebuild prompts on resume carry it as guidance (controller_work.v13). The smoke titles its world by the seed root label unless GHOSTLIGHT_SMOKE_WORLD_TITLE says otherwise, and the seed brief becomes the world's brief rather than a per-session sentence. Run 9 is the proof: no fixture name in any vow, and promises made against the deadline the brief set.

14. Nonverbal display by quote — landed

Landed 2026-09-11 as mapped, with all three recommendations taken: kernel-only lowering (no patch tool, thirty operations, pin unchanged), the display kept in the actor's own words, and a silent turn invoking the speak entry with no utterance. DecisionInvocation.display and DecisionEvent.display; ResolvedOp::Display { actor, fact } landing KnowledgeSource::Seen { by } over Audience::Colocated through the same fan_out; ActionMismatch::EmptyDisplay; SpeechRequired only when neither words nor act; the journal's event-shape rule counts both lowerings; minted_at replaces spoken_at. The Interpreter's display tool beside speak, one of each per turn, NarrativeProposal::{Speak, Display}, NarrativeCapture { speech, display }; Overheard.from: Perceived::{Said, Seen, Known} and the Projector's knowledge rows carry how and by. Schemas world_state.consumer.v4, world_commit.consumer.v4, controller_work.v14. Run 10 proves it on the road (runbook row 10) and produced the first live interrupted cell. Follow-up landed the same day: a turn's utterance and display are each every span cited for them, joined in prose order, so "So," I say, "does it open" is one statement and four visible acts are one display; only an overlapping span is an ambiguity (controller_work.v15, proven by run 12). The map that led here follows.

Ordered 2026-09-11 after run 9. Objective: a person can act without words and be seen doing it. Run 9's gap column holds "I nod toward the path down", "I set down whatever's in my hands", "I settle on the warm step", and "I let the quiet sit a breath longer"; each was seen by everyone in the room and the world lost it. The false binary is intent versus posture. Intent is a psychic side channel; posture mechanics force every reader to decode a body. What is public is neither: it is the display, a visible act at the grain a witness perceives it, separable from what the actor meant by it. Speech already has this shape in the kernel: a claim placed before an audience, landed in each listener's knowledge as Told { by }, with the words kept verbatim. A display is the same act with a different sense: Seen { by }, and an audience fixed by physics rather than by the entry.

Current mechanism: the narrative lane speaks and does nothing else. speak_invocation (controllers.rs) finds the granted entry of kind speak and invokes it with speech: Some(statement); exercise (action.rs) lowers speech kernel-side into AssertClaim { fact, statement, by: actor } and Communicate { speaker, fact, to }, the fact id from the one speech derive_id site with SPEECH_INDEX = "0"; Communicate's apply arm fans out over the entry's audience less the speaker less holders and lands Told { by, via } at Believed. DecisionEvent.speech: Option<EntityId> stamps spoken_at on every knowledge row at snapshot; overheard_since turns rows newer than a bound turn into the Interpreter's "What was said to this person since" block; projector_knowledge renders each row with a speaker label for Told and none for Witnessed/Evidenced. The Interpreter owns two tools, speak(source_quote) and record_gap; a visible act is a missing_affordance gap, and the fold allows one speech capture. Interpretation of a display already has a home on the receiving side: PersonaMaterial.reads (Torvin reading Iska's face) is the receiver's own private reading, rendered only to the receiver. What has no home is the display itself on the sender's side.

Authority map:

• Owner: the kernel's exercise lowering in action.rs. It alone turns an invocation's display: Option<Statement> into AssertClaim { fact, statement, by: actor } plus ResolvedOp::Display { actor, fact }, the fact id from the same derive_id site with a second discriminator (DISPLAY_INDEX = "1"; the index exists for exactly this, no new allocation site).
• Inputs: the actor, its position, the quoted visible sentence. Nothing else. Not the entry's audience: a display cannot go down a horn.
• Outputs: one Claimed { by: actor } fact whose statement is the actor's own visible sentence, and a Seen { by: actor } knowledge row at Believed on every subject standing in the actor's place, less the actor, less anyone who already holds the fact (unheld, the never-overwrite rule). Fan-out is audience(state, actor, &Audience::Colocated), the derivation speech already uses; can_broadcast over the same audience refuses a placeless actor as it refuses a placeless speaker. A display into an empty room is a legal no-op, as speaking alone is.
• Derived state: each recipient's knows moves, so its scope digest moves, so a display interrupts whoever was mid-thought in the room through the interruption mechanism of step 9 unchanged. spoken_at becomes minted_at, stamped from DecisionEvent.speech or .display, and is the sole gate on an overheard row. Overheard carries how the row arrived: said by, shown by, or known; the Interpreter's interruption block renders "X said" and "X, seen doing" and the existing "came to know" line. The Projector's knowledge rows render Seen { by } with the actor's label and a seen marker; the reader's Persona does the social reading itself, in its own values, and any reading it commits is a PersonaRead, already landed.
• Forbidden writers: no intent, meaning, mood, or reading field on the operation, the fact, the knowledge row, or the event; the kernel never mints a reading for a receiver. The Interpreter never rewrites the display into third person or into what it meant; the statement is a verbatim quote of the visible clause and a quote not in the prose is a gap. The Projector never paraphrases a display. No confidence on the operation: a displayer cannot choose how much a viewer believes its body. No display over a channel audience, ever; no Display in PATCH_TOOLS, so no seed or elaborator may make a person gesture from outside that person (kernel-only lowering, the same standing as AssertClaim; the catalog stays thirty operations and the pin stays (7, 30, 39)).
• Shared paths: the SDK lane and the connector lane share the one Interpreter fold; replay re-derives the display fact from the command's invocation and must land the same rows; a resumed narrative row rebuilds the same interruption block from the persisted Overheard.
• Deletion line: InterpreterFold.captured_speech: bool and SpeakProposal { text } are cut for one address proposal carrying speech: Option<String> and display: Option<String>, at most one of each per turn, and NarrativeCapture.proposal: Option<SourceRange> becomes the ranges of both. ActionMismatch::SpeechRequired narrows to "a speech-carrying entry invoked with neither speech nor display"; a silent turn that only displays invokes the speak entry with speech: None. carries_speech keeps its name and its meaning: what it gates is the utterance and its audience; a display accompanies any invocation because a body is visible whatever it is doing.

Interpreter contract: a third tool, display(source_quote), beside speak. The prompt gains one rule and no list: a visible act another person in the same place could see (a gesture, a posture, a look, a movement, a silence held) is a display, quoted as the visible clause alone; what the person hoped, meant, or felt while doing it is not visible and is not quotable as a display. A non-canonical quote is a gap; a second display is an ambiguity gap, the same rule as a second speech.

Cut line: the missing_affordance gaps for gestures in run 9 are the measured outcome. Run 10 tallies the gap kinds again; the four gesture gaps must be displays and the private-reasoning gaps ("I don't say the other thing") must remain gaps, because they are intent and this cut gives intent no public home on purpose. Memory formation from a turn's private half is a different cut and is not in this one.

Subtraction budget: net additive by one ResolvedOp arm, one KnowledgeSource arm, one invocation field, one event field, one Interpreter tool, and one Overheard manner; cut against it are captured_speech, SpeakProposal, and the four missing_affordance gap shapes per run. The smaller surface, routing gestures through speak, was rejected: it would land a visible act as Told, a telling that did not happen, and render it to the room as words. Schema bumps: world_state.consumer.v4 (the knowledge source arm and minted_at), world_commit.consumer.v4 (display on the invocation and the event), controller_work.v14 (Overheard manner and the capture ranges); the consumer API doc and the ontology's speech paragraph, operation count sentence (line 459 still says twenty-nine; it is thirty and stays thirty), and Interpreter paragraph follow.

Build budget: crate ghostlight-dungeon and ghostlight-persona-projection tests on the Windows workstation as the proving host, sidecar schema fixtures regenerated if the Interpreter tool set changes the sidecar's fixture; the Linux release is Idunn's build and is not touched by this cut.

Verification: kernel tests that a display lands Seen { by } on the co-located only, never on the actor, never on a subject elsewhere or on a channel audience, never over a holder, is refused for a placeless actor, is a no-op in an empty room, and replays to equal state; an interruption test that a display after a neighbour's turn bound yields a "seen doing" overheard row and the "knows changed" line; fold tests that a non-canonical display quote is a gap, a second display is an ambiguity gap, and speech plus display in one turn is one invocation carrying both; a Projector test that a seen row renders with the actor's label and never as speech.

Decisions the operator owns: kernel-only lowering versus a patch-authorable display operation (recommend kernel-only; a person's body is not authorable from outside the person, and the count stays thirty); the display statement kept in the actor's own words versus an Interpreter rewrite (recommend the actor's words; by-quote discipline, and the receiver reads first person as a stage direction); a silent turn invoking the speak entry versus a fourth narrative tool for a wordless turn (recommend speak with no utterance; one carrier, one command per turn).

15. Session Zero — L0 and L1 landed; L2–L4 and D1–D3 deferred by ruling

Adopted 2026-09-15. Two owners, one ordering. Library capabilities, consumer-neutral, are specified in docs/architecture/ghostlight-world-ontology.md under "Elaboration lenses and detail rules (target)". Ghostlight Dungeon's Session Zero consumes them and is specified in docs/architecture/ghostlight-session-zero.md. This entry only tracks state.

Deferred by ruling, 2026-09-22 (operator, decision 3): Session Zero is no longer the playtest gate; step 16, the play agent, is. L2–L4 and D1–D3 are deferred, not dropped, until a consumer that still runs the offline machinery needs them; the list, with L1.f16, f1, f13 and f14, is docs/architecture/ghostlight-play-agent.md, "Deferred, by ruling".

Operator decisions, 2026-09-15: the world kernel is extracted from crates/ghostlight-dungeon into a library crate before any library pass, and the eight titles ship as the library's stock lens set.

Library passes: (L0, landed 2026-09-16 at 108b691..ab95d78; see docs/architecture/ghostlight-library-extraction-postmortem.md) extract the kernel into a library crate with a real public boundary; (L1, landed 2026-09-16 at 835ea4d..872ba35; see docs/architecture/ghostlight-stock-lenses-cut.md) the stock lens set, weights, sampler, and concurrent sessions over today's demand; (L2) per-world evidence binding on every elaborator session; (L3) typed detail rules (Uniform, ByDistance), rule-driven demand under the world-target ceiling, and the permille, root, and genesis-subject cuts; (L4) individuation where a place's level asks for persons. Dungeon passes: (D1) Vault registry and world creation with lens weights and a detail rule; (D2) the Session Zero Eve surface; (D3) travel affordance and per-affordance player controls, which closed the playtest gate until the 2026-09-22 ruling.

16. The play agent — cutting; Cuts 1 through 14 landed or landing

Adopted 2026-09-22. Target docs/architecture/ghostlight-play-agent.md (commit cb0b604); the means are in docs/architecture/ghostlight-play-agent-cut.md, which owns each cut's status, findings PA.f1 onward, and every ruling. This step is the playtest gate (the target's "Playtest gate"). One Dungeon-owned operational agent replaces the Interpreter and the cover/cell/catalog/owner-click orchestration on Dungeon's play path; the Projector → Persona passes are unchanged; the library keeps the offline machinery. This entry only tracks state.

Subtraction budget

Prefer deletion, collapse, or reuse before adding surfaces. The replacement buys explicit capabilities: one lifecycle owner, one structural reducer, one persistence writer, disjoint cognition controllers, total interpretation, and restart proof. It must retire more writer and stage liability than it adds. Review each completed pass for modules, binaries, schemas, dependencies, processes, and tests added or removed.

Build budget

• Build host: Yggdrasil through Idunn-configured pinned Linux containers. Do not build the deployment body on Windows.
• Control plane: odin-core library tests plus idunn-daemon library/binary checks; Linux x86_64 release artifacts are idunn and idunn-provision only.
• Targets: codex-connector library tests with and without daemon, then the codex-connector release binary with daemon; ghostlight-dungeon focused tests, then the ghostlight-dungeon release binary. Default target features remain unchanged unless the target-owned recipe names an existing required feature.
• Output roots, container digests, cache mounts, current footprints, retention, and expected deltas are operator-binding inputs and must be measured on Yggdrasil before the first build. No workspace-wide, all-target, clean, or cross-platform build is admitted.

Deferred research lanes

The 36-case agency corpus, separate-account multiplayer proof, visual/Ink fixtures, newspaper variation, and direct-tool Persona comparison remain useful research lanes. They do not steer the authority rebuild and cannot reopen a retired writer. Historical plans and results remain recoverable through Git, the evidence ledger, and the frozen pre-rebuild system map.