All 9 zones have hand-authored graphs (G8a–G8i), so the POC gate has
served its purpose. Make graph mode the only runtime path:
- Drop branchingZonesEnabled() and the os import in zone_graph_nav.go.
- Inline the gate-on branches in zoneCmdMap, zoneCmdAdvance,
CurrentRoomType, startZoneRun, and the expedition map renderer.
- Keep the legacy linear functions (markRoomCleared, renderZoneMap,
generateRoomSequence) standing — their tests still exercise them and
they'll retire alongside current_room / room_seq_json in G9b.
- Strip gate test (TestBranchingZonesGate, TestCurrentRoomType_GateOff)
and t.Setenv calls from the surviving graph tests.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Hand-authored zoneCryptValdrisGraph() (8 nodes incl. fork +
Perception DC 15 secret reliquary) self-registers at init. Two
surgical bridges so new runs traverse the authored graph when
GOGOBEE_BRANCHING_ZONES=1: startZoneRun seeds current_node from
g.Entry, and DungeonRun.CurrentRoomType resolves via the live
node's kind so divergent paths (secret_chamber) dispatch through
the right resolver. Gate off is bit-identical to pre-G7.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
