T-012: port the single-player client onto session + loopback

Odyssey: bound the living galaxy to 3 seed-drawn background worlds

Phase 5 (replay + season): re-run any recorded match, and close a ladder

Phase 5 (spectate): watch an AI-vs-AI match live, at 1x-8x

Phase 4 follow-ups: keep a simulated match from moving a human rating

Phase 4 (part 2): the playable Gauntlet — play a real match, rate it, resume it

Tier 1, step 5: close the coverage gaps and the doc drift (C6-C16, E1, E2)

Add a configurable population cap (200/250/300/Max) for both sides

Add Observer Mode: a free-look spectator over the Odyssey galaxy

P8 Combat Depth: veterancy chevrons + tiered destruction visuals and audio

Starmap live colony ledger: alert badges + garrison line

Colossus splash: def-driven area damage as the T3 anti-mass verb

HUD alerts + selection UX: minimap attack pings, base cycling, idle-production chip, Alt-subtract

Reactive opening checklist + an honest, configurable endgame clock

Wire the start-world picker and asym-swap toggle into setup/boot

Telegraph counter-triangle hits: bonus flag, hotter tracers, HUD counter text

Move DIFFICULTY_OPTIONS into engine/aiDifficulty.js, add state.ai.difficulty

Add a player-picked AI Strategy (Aggressive/Economic/Force Parity) and Helium Bomb use

Implement Phase 3 of battle wreckage: rendering and event polish

Fix stray move order during jump landing pick; mark player assets on the picker

Add a fuse delay to the Helium Bomb and slow the shockwave further (#12)

Give the Helium Bomb distance-based damage falloff and a slow shockwave (#11)

Land at your last-used Spaceport; pick blind on a fogged minimap otherwise

Helium Bomb: a detonation also terraforms - the crater matures into ore

Add the Helium Bomb: a mobile, arm-then-detonate doomsday unit

Fix core architecture drift: duplicate FACTIONS export, difficulty lists, seed dedup

Tier 4: render interpolation — smooth movement on high-refresh displays

Tier 3 review fixes: 5 defects from the adversarial pass

Tier 3 UX: pause, toast stack, control groups, hotkeys, touch & colour cues

Tier 2 Odyssey meta: colony re-alerts, roster repair, war notices, full conquest

Tier 1 review fixes: save-load hardening, engine guards, UX bugs

Odyssey: never lose — a wipeout sends relief; surrender is the only end

Odyssey: 3-tier Spaceport (supply-capacity jumps), no wins, milestone fireworks

Odyssey: make the colony alert toast clickable — click to defend/retake

Add a Home button that confirms saving before returning to the menu

Odyssey Tier-3 "make it legible": factory panels, iconed topbar, grouped build menu, hostile heads-up

Odyssey Tier-2: the Domination victory — a military win path + the Gate/fleet fork

Odyssey Tier-1 "make it playable": fix the threat curve + cheap wins

Odyssey Phase 3: the Strategic tier + the endgame win (Antimatter Gate)

Odyssey: perf throttling, galaxy save/load, aggression ramp, cleanups

Odyssey improvements: felt diplomacy, colony income, honest starmap

Odyssey Phase 4: living galaxy — scarcity diplomacy + colony alerts

Odyssey Phase 2: the galaxy + the interplanetary jump

Add Odyssey open-world mode (Phase 1): endless single-planet foundation

Offer all map sizes (Small–Gigantic) in the three scenarios

Add Bounty Marshal scenario: hunt scattered pirate camps on the clock

Add Pirate Raider scenario: raid the AI convoy before it escapes

Add Convoy Escort scenario: shepherd freighters across a raided route

Refactor: split the main.js god-file into focused modules