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Architecture & Places is connected to ICUAPU navigation and public overview surfaces are part of Infinite Concept Universe. Synthetic fixture records remain clearly labeled and are not promoted as real-world evidence.
Architecture & PlacesInfinite Concept Universe / Spatial thinking world

JOURNEY BUILDER / APU021

Compose a sequence without inventing the trip.

Journey Builder works only with stops already admitted by APU012 Journey evidence. It can select and order those stops, but it cannot manufacture membership, route geometry, distance, time, access, hours, or walkability.

Task-oriented Lab

Choose the operation, not the page name.

Every Lab tool now uses the same context convention: an optional worked-example key travels in the URL, help is visible in native disclosure controls, and reset returns to the canonical tool route.

Worked-example context is optional and URL-scoped. Enter from the Harbor Light synthetic journey to carry that example between tools, or use any tool without a case key.

How Lab context and reset work

Context is explicit and URL-scoped. The Expedition layer does not create an account profile, hidden personalization state, analytics event, or factual assertion. A ?case=harbor-light key only keeps the same synthetic teaching example visible as you move between tools. Reset by returning to this tool's base route.

Reset tool context

ELIGIBLE STOP POOL

Eligible stop pool

Every candidate already carries an explicit included_in_journey Graph assertion in the source Journey.

Eligible stop

Fixture Civic Square

Place

Membership evidence
apu:rel:journey-square
Spatial exposure
Public Atlas point available
Eligible stop

Fixture Harbor Footbridge

Infrastructure

Membership evidence
apu:rel:journey-bridge
Spatial exposure
Hierarchy/no direct public point

Open source Journey dossier →

DRAFT COMPOSITIONS

Draft compositions

These are ephemeral compiled states. They do not create canonical Journey records and are not saved by the portable branch.

Source geographic sequence

Fixture Harbor Light Walk

A development draft that preserves the authored APU012 visit sequence. The walking label remains metadata only.

Geographic sequence

Fixture Civic SquareFixture Harbor Footbridge

Narrative sequence

Fixture Harbor FootbridgeFixture Civic Square

Declared mode: Walking. Order is composition metadata, not verified travel logistics.

Reversed geographic sequence

Fixture Harbor Light Walk

A development draft proving that authored order can change while source segment logistics are not reversed or inferred.

Geographic sequence

Fixture Harbor FootbridgeFixture Civic Square

Narrative sequence

Fixture Civic SquareFixture Harbor Footbridge

Declared mode: Walking. Order is composition metadata, not verified travel logistics.

TRANSITION EVIDENCE

Unknown logistics stay unknown.

The reversed draft proves that APU does not reverse an authored segment claim simply because stop order was reversed.

Transition claims for each static Journey Builder draft
DraftTransitionEvidence originAdjacencyDistanceTravel timeWalkabilityAccessibilityOpening hoursGeometry
Source geographic sequenceFixture Civic Square → Fixture Harbor FootbridgeSame-direction source claim reusedUnverifiedUnknown / not assertedUnknown / not assertedUnverifiedUnknownUnknown / not assertedNone / not asserted
Reversed geographic sequenceFixture Harbor Footbridge → Fixture Civic SquareNo same-direction source claimUnknownUnknown / not assertedUnknown / not assertedUnknownUnknownUnknown / not assertedNone / not asserted

ATLAS EXPOSURE

Spatial information stays inside Atlas rules.

The Builder sees only the already-approved Journey point subset. Stops without a direct public point do not inherit a parent coordinate.

Atlas-approved point exposure for Journey Builder eligible stops
StopCoordinateExposureJourney membership evidence
Fixture Civic Square12.3462, -45.6792Publicapu:rel:journey-square
Fixture Harbor FootbridgeNo coordinate exposedNot Applicableapu:rel:journey-bridge

PERSISTENCE & OWNERSHIP

A draft is not a saved route.

ICU remains authoritative for accounts, Save, analytics, SEO, and any future persistent draft state.

Canonical writes

0. The builder compiles previews only.

Route geometry

0 generated lines. No routing engine is present.

Persistence

Unbound in the portable branch; future state belongs to ICU.

Publication

Blocked. These are synthetic development drafts, not travel recommendations.

APU021 public Journey Builder tool using synthetic fixtures. Draft order is not navigation; fixture-record persistence and factual publication remain disabled.