Array 0.1.1

NEW FEATURES:

  [Research System]

  - Added complete research system with project selection and progress tracking

  - Research Station module now generates research points over time

  - Three research projects:

    * Foundations (500 research) - Unlocks Hydroponic Dome and Warehouse modules

    * Space Junk Collector (400 research) - Unlocks Space Junk Collector module

    * Sustainable Living (400 research) - Unlocks 3D Printed Habitat and Nuclear

      Power Plant modules

  - Research progress saves and loads with game state

  - Research UI tab shows available projects, progress bars, and ETA

  [New Modules]

  - Hydroponic Dome (Colony-only): Generates 5 resources/sec, costs 200 resources,

    requires 5 power. Unlocked via Foundations research.

  - Warehouse (Colony-only): Adds 100 storage capacity, costs 200 resources,

    requires 0 power. Unlocked via Foundations research.

  - Space Junk Collector (Station-only): Generates 10 resources/sec, costs 200

    resources, requires 5 power. Unlocked via Space Junk Collector research.

  - 3D Printed Habitat (Colony-only): Adds 3 population capacity, costs 200

    resources, requires 10 power. Unlocked via Sustainable Living research.

  - Nuclear Power Plant (Colony-only): Generates 40 power, costs 400 resources.

    Unlocked via Sustainable Living research.

  [Adjacency Bonuses for New Modules]

  - Hydroponic Dome + Habitation: +25% yield (workers tend crops)

  - Hydroponic Dome + Hydroponic Dome: +15% yield (shared irrigation systems)

  - Hydroponic Dome + Storage: +10% yield (better preservation)

  - Warehouse + Warehouse: +50% capacity (logistics hub)

  - Warehouse + Storage: +25% capacity (integrated systems)

  - Warehouse + Habitation: +10% capacity (easy access)

  - Space Junk Collector + Solar Panel: +20% rate (powered sensors)

  - Space Junk Collector + Space Junk Collector: +30% rate (coordinated sweeps)

  - 3D Printed Habitat + 3D Printed Habitat: +2 capacity (modular design)

  - 3D Printed Habitat + Habitation: +1 capacity (shared amenities)

  - 3D Printed Habitat + Warehouse: -15% upkeep (material efficiency)

  - 3D Printed Habitat + Nuclear Power Plant: +1 capacity (climate control)

  - Nuclear Power Plant + Nuclear Power Plant: +20% power (shared cooling)

  - Nuclear Power Plant + Storage: +10% power (fuel storage)

  - Nuclear Power Plant + Warehouse: +15% power (fuel logistics)

  - Nuclear Power Plant + Research Station: +25% research (powered labs)

  [Collapsible Build Menu Categories]

  - Build menu categories are now collapsible dropdowns

  - Click category headers to expand/collapse module lists

  - Uses ASCII indicators: "v" for expanded, ">" for collapsed

  - Improves organization as more modules are added

  [Custom Music Support]

  - Players can now add their own music tracks

  - Place .mp3, .ogg, or .wav files in the "music/" folder next to executable

  - Custom tracks play alongside bundled game music

  - Music folder is auto-created on first run

  [Adjacency Guide]

  - New guide button (book icon) in pause menu

  - Click to view all adjacency bonuses in a scrollable overlay

  - Organized by module type with descriptions

  - Scroll with mouse wheel, close with X button or ESC key

UI IMPROVEMENTS:

  - Build menu now shows locked modules with research requirements

  - Research progress displayed in real-time with completion notifications

  - Guide overlay styled to match game aesthetic