Planning Update Summary — Post Phase 0B Review

Date: 2026-09-01
Purpose: Review aid. This file summarizes planning changes made after accepting the ten architecture decisions from the Phase 0B review.

New Decisions Recorded

AI-DnD is the production base at pinned Phase 0B commit d72f7c1b....
AI-DnD's browser/service/story-tree/memory/context foundation is retained as the ownership center.
The non-destructive head-cursor Undo/Redo spike is promoted into the production design, but the disposable spike is not treated as merge-ready production code.
Narrative state will use explicit typed events/absolute assignments inspired by ai-adventure, not AI-DnD's relative-delta protocol.
ai-adventure is an implementation reference, not the product specification.
Open Dungeon is a UX/media reference only.
Abandoned history is retained and marked disposable; no automatic cleanup is required in v1.
Export/import must preserve active head position as part of the history work.
Imported knowledge will be a separate first-class subsystem rather than an extension of Story Cards.
Future image/video/audio/TTS/STT extension contracts remain, but no media generation is required for v1.
Local-only inference may span user-controlled machines: same-host Ollama is the default, but an explicitly configured trusted-LAN Ollama host is supported in v1 without exposing the storyteller UI/API to the LAN.

Documents Materially Revised

README.md
SPECIFICATION.md
TECHNICAL-DESIGN.md
DATA-MODEL.md
STORY-BRANCH-SEMANTICS.md
CONTEXT-AND-MEMORY.md
IMPORTED-KNOWLEDGE-DESIGN.md
SECURITY-THREAT-MODEL.md
V1-ACCEPTANCE-TESTS.md
BUILD-MILESTONES.md
RESEARCH-PLAN.md
CODEX-HANDOFF-NOTE.md
004-local-only-production.md
005-branch-preserving-history.md
008-phase0-before-build-plan.md

New ADRs

009-ai-dnd-production-base.md
010-explicit-typed-narrative-state-events.md

Historical Evidence Intentionally Preserved

The Phase 0A candidate reports and the coding agent's PHASE-0B-RECOMMENDATION.md remain research evidence. They may contain assumptions that are superseded by the current planning documents. They are not silently rewritten to make the historical analysis appear as if it had reached later conclusions originally.

Coding Prompt Status

No next Codex implementation prompt is included in this revision.

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