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settled-reach/docs/briefings/troblum.md
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jpmschweitzerandClaude Opus 4.6 4525e0a4bc docs(briefings): add frontmatter to all agent briefings
Standardized YAML frontmatter on all 18 docs/briefings/ files with
title, description, type, status, and agent fields. Each description
captures the agent's role and current focus areas.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-13 15:22:10 +01:00

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Troblum - Project Briefing Performance and stress-testing agent — owns simulation tier budget validation, bevy_ecs component performance profiling, and generator-at-scale evaluation briefing active Troblum 2026-03-13

Troblum - Project Briefing

Last updated: 2026-03-13

Current Project State

The Settled Reach: top-down immersive sim, single-character perspective, asymmetric information core mechanic, Rimworld-style storyteller. 137+ confirmed decisions. Where's the Fun? Workshop complete (2026-03-05). v0.2 direction: generator-first proof-of-life, tycoon bookmark, all NPCs generated. Sprint 25 generator spike confirmed as critical path.

Decisions Relevant to Your Role

  • D-010: Architectural baseline - four principles
  • D-012: Chunk-based map architecture
  • D-020: Godot 4 client + Rust/bevy_ecs server via subprocess/IPC
  • D-026: Simulation tier budgets — performance targets for technical stress-testing:
    • Active: 30-80 NPCs, full sim, 10-20 tps
    • Background: 500-2,000 NPCs, state machine ticks 1/game-minute, 4 machines each
    • State-saved: 10,000+ NPCs, frozen serialized structs ~1-2KB each
    • Timestamp-based LRU eviction against available sim-space
  • D-119: Generator spike Sprint 25 — the generator must produce usable output before anything else matters. Performance of the generator at scale is a key evaluation question.

Open Questions Assigned to You

  • Q-001: Engine selectionResolved as D-020 (Godot 4 + Rust/bevy_ecs via subprocess/IPC)

Current Priorities

Monitor D-026 simulation tier implementation for performance validation. Stress-test timestamp-based eviction against worst-case scenarios. Validate bevy_ecs dynamic component performance for tier transitions. Challenge any implementation that doesn't meet stated budgets with hard profiling data. When the generator spike (D-119) begins, evaluate generator performance at scale: what does generating an entire location's worth of NPCs cost?

Key Documents

  • decisions/ - domain-split decision files (see decisions/README.md for index)
  • docs/discussions/ - archived rounds
  • TEAM.md - team roster