Synaptica brings scripted storyboards and responsive voice signals together in a city simulation.
Engineering / Knowledgebase

TECHNICAL NOTE

Runtime // runtime.hybrid-vn

How scripted stories and AI conversations fit together

Authored scenes control the story route. Optional AI moments respond within the established scene before returning to the retained story.

Production Practitioner Updated 2026-10-30

01 / WHAT

What it does

VN releases preserve authored scenes, choices, stage presentation and explicit AI bridges. A private playtest, a published release and a member's saved run are different identities.

02 / WHY

Why it works this way

The author controls the route and who performed established actions. Generated conversation can add personal response without silently rewriting canon, future scenes or saved choices.

03 / HOW

How it works

A bridge supplies bounded facts from the visible authored scene and its frozen handoff. It excludes future dialogue and does not reconstruct unvisited branches. The response is validated before the runtime resumes the authored route.

Both A Date with Akari editions use the complete-reply policy. Their reply budget allows fuller output; malformed quoted JSON is not accepted as a prefix ending at the first comma. A provider length cutoff triggers one correction attempt, and another incomplete result remains recoverable instead of becoming a finished turn. The resizable widget preserves the full accepted response and scrolls when needed.

Speech is a separate operation through the shared ChatterBox provider. Story ownership, optional hosted AI use and ready-audio replay retain their separate rules.

Further reading: Engineering handbook.

SYSTEM SCHEMATICS

View the diagram and flow
How the parts connect Conceptual flow of the current ownership boundary; not a live status display.
  1. 01
    Retained scene

    Read authored dialogue, choices and stage

  2. 02
    Explicit bridge

    Freeze visible facts and return point

  3. 03
    Validated reply

    Accept complete display content

  4. 04
    Optional speech

    Use shared voice synthesis

  5. 05
    Story resumes

    Return to the authored route

IMPLEMENTATION SAMPLES

Inspect the code examples
Contract at a glancetext
Authored facts != generated dialogue
Saved release != current draft
Incomplete provider output != completed paid answer

Illustrative contract summary. This is not an executable script or a record of a live operation.

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