Quick-Start Commands: Essential commands for building, running, and testing.

Lapis Quick Start:

lapis doctor     # Diagnose developer environment & dependencies
lapis new game   # Scaffold brand new Crystal Godot game
make all         # Compile bridge, test suites, examples, and sync
make test        # Execute specs, in-editor tool tests, and runtime suites
make editor      # Launch test project in Godot Editor
make docs        # Build offline HTML documentation site in docs/

Learning Tracks & Reading Paths: Curated reading order from beginner to advanced.

Structured Learning Tracks

1. Getting started (A_GETTING_STARTED)

• A_GETTING_STARTED::A_INSTALLATION: **Installation & System Prerequisites** — Complete step-by-step setup guide for Crystal, Godot, and Lapis CLI.
• A_GETTING_STARTED::B_COMPILATION: Building Lapis from Source — Compiling the C++ loader bridge, Crystal runtime libraries, and workspace synchronization.
• A_GETTING_STARTED::C_QUICK_START_TUTORIAL: First Game Tutorial (Zero to Hero) — Beginner-friendly step-by-step tutorial: create a project, write a Player node, run, and export.
• A_GETTING_STARTED::D_CRYSTAL_BASICS_FOR_GODOT: Crystal Syntax Guide for Game Developers — Essential Crystal syntax, static typing, nil-safety, blocks, and official style guides.

2. Lapis cli and toolchain (B_LAPIS_CLI_AND_TOOLCHAIN)

• B_LAPIS_CLI_AND_TOOLCHAIN::A_OVERVIEW: **CLI Architecture & Global Options** — Anatomy of the unified lapis executable, global flags, and shell autocompletion.
• B_LAPIS_CLI_AND_TOOLCHAIN::B_DOCTOR: Doctor Diagnostic Checker — Comprehensive environment audit checking compilers, runtimes, debuggers, and projects.
• B_LAPIS_CLI_AND_TOOLCHAIN::C_INIT_AND_SCAFFOLD: **Project Initialization & Scaffolding** — Using lapis init, lapis new game, lapis new addon, and lapis new example.
• B_LAPIS_CLI_AND_TOOLCHAIN::D_BUILD_AND_SYNC: **Build & Synchronization Commands** — Compiling game libraries, plugins, standalone executables, and syncing multi-target projects.
• B_LAPIS_CLI_AND_TOOLCHAIN::E_TEST_AND_BENCHMARKS: **Testing Framework & Benchmark Suite** — Running the unified multi-phase test runner, interactive ANSI TUI, and performance benchmarks.
• B_LAPIS_CLI_AND_TOOLCHAIN::F_CLEAN_AND_MAINTENANCE: **Workspace Cleaning & Disk Reclamation** — Using lapis clean, pruning shadow DLLs (--shadows), dry-runs, and directory safety.
• B_LAPIS_CLI_AND_TOOLCHAIN::G_ADDON_AND_SHARD_MANAGEMENT: **Addon & Shard Dependency Management** — Installing GDExtension addons and managing Crystal shards with lapis addon and lapis shard.
• B_LAPIS_CLI_AND_TOOLCHAIN::H_IDE_AND_LSP: **IDE Integration & Language Server (LSP)** — Configuring VS Code, Cursor, Zed, and Neovim with Crystalline LSP and radare2 debugging.
• B_LAPIS_CLI_AND_TOOLCHAIN::I_PACKAGING_AND_DISTRIBUTION: **Packaging & Release Distribution** — Exporting playable standalone games, zip archives, Windows installers, and Debian packages.
• B_LAPIS_CLI_AND_TOOLCHAIN::J_COMMON_PITFALLS_AND_FAQ: **Common CLI Pitfalls & Frequently Asked Questions** — Solutions to common command-line errors, file locking, path resolution, and developer FAQ.
• B_LAPIS_CLI_AND_TOOLCHAIN::K_LOGGING_AND_TELEMETRY: **Logging Framework & Telemetry** — Diagnostic logging with Godot.log, custom filters, BBCode console output, compile-time elision, and lapis log.
• B_LAPIS_CLI_AND_TOOLCHAIN::L_COMPILE_FLAGS_AND_OPTIMIZATION: **Compile-Time Flags & Optimization** — Stripping unused subsystems for lean binaries and enabling opt-in low-overhead diagnostics.
• B_LAPIS_CLI_AND_TOOLCHAIN::M_ADDON_STORE_AND_SECURITY: **Addon Store & Security Auditing** — Installing, vendoring, updating, and security auditing GDExtension addons.

3. Gameplay and declarative dsl (C_GAMEPLAY_AND_DECLARATIVE_DSL)

• C_GAMEPLAY_AND_DECLARATIVE_DSL::A_NODE_DSL: **Declarative Node DSL & Lifecycle** &mdash; Authoring Godot nodes with the node ClassName < ParentNode syntax and virtual methods.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::B_EXPORTS_AND_INSPECTOR: **Export System & Inspector Integration** &mdash; Exposing properties, ranges, enums, file pickers, and tool buttons to the Godot Inspector.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::C_SIGNALS_AND_EVENTS: **Signals & Event-Driven Architecture** &mdash; Declaring signals, synthesized emit helpers, GDScript connections, and cooperative awaiting.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::D_LOW_LATENCY_INPUT: **Low-Latency Input & Controls** &mdash; Sub-frame mouse look, zero-allocation input queries, unhandled input, and input maps.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::E_SCENE_TREE_AND_LIFECYCLE: **Scene Tree Manipulation & Node Lifecycle** &mdash; Creating nodes (Godot.create), hierarchy management, node ownership, and clean deletion.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::F_GAMEPLAY_LOGGING_AND_SENSORS: **Gameplay Logging & Diagnostics DSL** &mdash; Integrating structured logging, gameplay metrics, and tag filters within Godot nodes.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::G_ERGONOMIC_NODE_ACCESS: **Ergonomic Node & Path Access** &mdash; Type-safe node retrieval, subscript indexers ([]), operator overloads (/ and %), path prefixes ($ and %), and bare macros (n! and u!).
• C_GAMEPLAY_AND_DECLARATIVE_DSL::H_MODULES_AND_MIXINS: Modular Node Mixins (gmodule) — Authoring reusable gameplay traits, interfaces, and component mixins with export properties, signals, and lifecycle hooks.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::I_MULTIPLAYER_AND_NETWORKING: Multiplayer and Networking — High-performance multiplayer networking, declarative @[RPC] annotations, synchronization DSL, and Wireshark-style network testing harness.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::J_GDSCRIPT_TO_CRYSTAL_CHEATSHEET: GDScript to Crystal Migration Cheatsheet — Exhaustive side-by-side cheatsheet mapping GDScript syntax to Crystal for Lapis.

4. Concurrency and fibers (D_CONCURRENCY_AND_FIBERS)

• D_CONCURRENCY_AND_FIBERS::A_FIBERS_AND_COOPERATIVE_AWAIT: **Fibers & Cooperative Signal Awaiting** &mdash; Single-threaded scene loop orchestration, Fiber.yield, and non-blocking timers.
• D_CONCURRENCY_AND_FIBERS::B_OS_THREADS_AND_CHANNELS: **OS Threads & Actor Channels** &mdash; Offloading intensive computing with Thread.new and buffered Godot::Channel(T).
• D_CONCURRENCY_AND_FIBERS::C_MAIN_THREAD_DISPATCH: **Main Thread Queue & Thread-Safe Dispatch** &mdash; Modifying scenes from workers via Godot.on_main_thread, call_deferred, and thread asserts.

5. Memory safety and engine internals (E_MEMORY_SAFETY_AND_ENGINE_INTERNALS)

• E_MEMORY_SAFETY_AND_ENGINE_INTERNALS::A_OBJECTDB_AND_MONOTONIC_IDS: **Godot ObjectDB & Monotonic Instance IDs** &mdash; Mapping native C++ heap pointers to 64-bit monotonic instance IDs to prevent pointer reuse.
• E_MEMORY_SAFETY_AND_ENGINE_INTERNALS::B_DEAD_POINTER_PROTECTION: **Dead-Pointer Protection & Access Violation Defense** &mdash; Defensive inspection (#alive?, #destroyed?, #check_alive!) and DisposedObjectError.
• E_MEMORY_SAFETY_AND_ENGINE_INTERNALS::C_BOEHM_GC_VS_REFCOUNTING: Boehm GC vs Godot Reference Counting — Bridging Crystal's garbage collector and Godot's atomic reference counter.

6. Scripting and interoperability (F_SCRIPTING_AND_INTEROPERABILITY)

• F_SCRIPTING_AND_INTEROPERABILITY::A_FIRST_CLASS_CRYSTAL_SCRIPTS: First-Class Crystal Scripts in Godot Editor — Writing .cr files directly inside Godot Script Editor with native syntax highlighting and Crystalline LSP.
• F_SCRIPTING_AND_INTEROPERABILITY::B_GDSCRIPT_INTEROP: **GDScript Interoperability & Project Bindings** &mdash; Bidirectional calling between Crystal and GDScript, automated typed wrappers, and Variant marshaling.
• F_SCRIPTING_AND_INTEROPERABILITY::C_DOC_COMMENTS_AND_F1_HELP: **Doc Comments & Godot In-Editor F1 Help** &mdash; Compile-time doc comment harvesting, DocData XML synthesis, and Godot offline documentation.

7. Debugging and diagnostics (G_DEBUGGING_AND_DIAGNOSTICS)

• G_DEBUGGING_AND_DIAGNOSTICS::A_RADARE2_NATIVE_DEBUGGING: **Native radare2 Debugging, Decompilation & Gutter Breakpoints** &mdash; Attaching radare2 to Godot processes, native pseudo-C decompilation (pdc), disassembly, and multiplayer lockstep.
• G_DEBUGGING_AND_DIAGNOSTICS::B_CRASH_HANDLER_AND_WATCHPOINTS: **Crash Diagnostics, Watchpoints & Memory Inspection** &mdash; Debugging segmentation faults (0xC0000005), hardware watchpoints, and dead-pointer forensics.
• G_DEBUGGING_AND_DIAGNOSTICS::C_LEAK_AND_DISPATCH_DIAGNOSTICS: **Leak Tracking & Latency Profiling** &mdash; Using LeakTracker, TombstoneTracker, and DispatchProfiler for runtime introspection.

8. Testing and benchmarks (H_TESTING_AND_BENCHMARKS)

• H_TESTING_AND_BENCHMARKS::A_TESTING_FRAMEWORK: **Unified Testing Framework & Leak Verification** &mdash; Writing test suites, assertions, frame-stepping, and zero memory leak validation (assert_no_leak).
• H_TESTING_AND_BENCHMARKS::B_PERFORMANCE_BENCHMARKS: **Performance Profiling & Benchmark Reports** &mdash; Running Crystal vs GDScript benchmarks, SVG chart generation, and CI tracking.

9. Architecture and extensions (I_ARCHITECTURE_AND_EXTENSIONS)

• I_ARCHITECTURE_AND_EXTENSIONS::A_DUAL_PARADIGM_MODEL: The Dual-Paradigm Execution Model — Mode A (GDExtension In-Editor Tool) vs Mode B (Standalone LibGodot Host Executable).
• I_ARCHITECTURE_AND_EXTENSIONS::B_CPP_BRIDGE_LOADER: Native C++ Loader Bridge Architecture — Flat C-ABI mapping, GDExtension function pointers, memory layouts, and crash guards.
• I_ARCHITECTURE_AND_EXTENSIONS::C_ADDONS_AND_MULTI_PLUGIN_ISOLATION: **GDExtension Addons & Multi-Plugin Isolation** &mdash; ClassDB namespace isolation, inter-addon dependencies, and compilation topologies across Crystal addons.
• I_ARCHITECTURE_AND_EXTENSIONS::D_GODOT_VERSION_UPGRADE: Godot Engine Version Upgrade Guide — Upgrading target Godot versions, dumping extension_api.json, and regenerating Crystal class bindings.

10. Modern cli and tui (J_MODERN_CLI_AND_TUI)

• J_MODERN_CLI_AND_TUI::A_INTERACTIVE_COMMAND_CENTER: **Interactive Terminal Command Center & Differential TUI** &mdash; High-density telemetry dashboard, split-pane layout, differential cell rendering, and keyboard shortcuts.
• J_MODERN_CLI_AND_TUI::B_TUI_HUB_AND_SPECIALIZED_VIEWS: **Interactive TUI Hub & Domain Workspaces** &mdash; Operational guide to lapis cli hub, folder-picker new/editor wizards, context-aware package forms, r2 crash forensics, and benchmark analytics.

Master Table of Contents: Complete hierarchical topic index.

Complete Documentation Index

A_GETTING_STARTED

• A_GETTING_STARTED::A_INSTALLATION: **Installation & System Prerequisites** &mdash; Complete step-by-step setup guide for Crystal, Godot, and Lapis CLI.
• A_GETTING_STARTED::B_COMPILATION: Building Lapis from Source — Compiling the C++ loader bridge, Crystal runtime libraries, and workspace synchronization.
• A_GETTING_STARTED::C_QUICK_START_TUTORIAL: First Game Tutorial (Zero to Hero) — Beginner-friendly step-by-step tutorial: create a project, write a Player node, run, and export.
• A_GETTING_STARTED::D_CRYSTAL_BASICS_FOR_GODOT: Crystal Syntax Guide for Game Developers — Essential Crystal syntax, static typing, nil-safety, blocks, and official style guides.

B_LAPIS_CLI_AND_TOOLCHAIN

• B_LAPIS_CLI_AND_TOOLCHAIN::A_OVERVIEW: **CLI Architecture & Global Options** &mdash; Anatomy of the unified lapis executable, global flags, and shell autocompletion.
• B_LAPIS_CLI_AND_TOOLCHAIN::B_DOCTOR: Doctor Diagnostic Checker — Comprehensive environment audit checking compilers, runtimes, debuggers, and projects.
• B_LAPIS_CLI_AND_TOOLCHAIN::C_INIT_AND_SCAFFOLD: **Project Initialization & Scaffolding** &mdash; Using lapis init, lapis new game, lapis new addon, and lapis new example.
• B_LAPIS_CLI_AND_TOOLCHAIN::D_BUILD_AND_SYNC: **Build & Synchronization Commands** &mdash; Compiling game libraries, plugins, standalone executables, and syncing multi-target projects.
• B_LAPIS_CLI_AND_TOOLCHAIN::E_TEST_AND_BENCHMARKS: **Testing Framework & Benchmark Suite** &mdash; Running the unified multi-phase test runner, interactive ANSI TUI, and performance benchmarks.
• B_LAPIS_CLI_AND_TOOLCHAIN::F_CLEAN_AND_MAINTENANCE: **Workspace Cleaning & Disk Reclamation** &mdash; Using lapis clean, pruning shadow DLLs (--shadows), dry-runs, and directory safety.
• B_LAPIS_CLI_AND_TOOLCHAIN::G_ADDON_AND_SHARD_MANAGEMENT: **Addon & Shard Dependency Management** &mdash; Installing GDExtension addons and managing Crystal shards with lapis addon and lapis shard.
• B_LAPIS_CLI_AND_TOOLCHAIN::H_IDE_AND_LSP: **IDE Integration & Language Server (LSP)** &mdash; Configuring VS Code, Cursor, Zed, and Neovim with Crystalline LSP and radare2 debugging.
• B_LAPIS_CLI_AND_TOOLCHAIN::I_PACKAGING_AND_DISTRIBUTION: **Packaging & Release Distribution** &mdash; Exporting playable standalone games, zip archives, Windows installers, and Debian packages.
• B_LAPIS_CLI_AND_TOOLCHAIN::J_COMMON_PITFALLS_AND_FAQ: **Common CLI Pitfalls & Frequently Asked Questions** &mdash; Solutions to common command-line errors, file locking, path resolution, and developer FAQ.
• B_LAPIS_CLI_AND_TOOLCHAIN::K_LOGGING_AND_TELEMETRY: **Logging Framework & Telemetry** &mdash; Diagnostic logging with Godot.log, custom filters, BBCode console output, compile-time elision, and lapis log.
• B_LAPIS_CLI_AND_TOOLCHAIN::L_COMPILE_FLAGS_AND_OPTIMIZATION: **Compile-Time Flags & Optimization** &mdash; Stripping unused subsystems for lean binaries and enabling opt-in low-overhead diagnostics.
• B_LAPIS_CLI_AND_TOOLCHAIN::M_ADDON_STORE_AND_SECURITY: **Addon Store & Security Auditing** &mdash; Installing, vendoring, updating, and security auditing GDExtension addons.

C_GAMEPLAY_AND_DECLARATIVE_DSL

• C_GAMEPLAY_AND_DECLARATIVE_DSL::A_NODE_DSL: **Declarative Node DSL & Lifecycle** &mdash; Authoring Godot nodes with the node ClassName < ParentNode syntax and virtual methods.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::B_EXPORTS_AND_INSPECTOR: **Export System & Inspector Integration** &mdash; Exposing properties, ranges, enums, file pickers, and tool buttons to the Godot Inspector.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::C_SIGNALS_AND_EVENTS: **Signals & Event-Driven Architecture** &mdash; Declaring signals, synthesized emit helpers, GDScript connections, and cooperative awaiting.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::D_LOW_LATENCY_INPUT: **Low-Latency Input & Controls** &mdash; Sub-frame mouse look, zero-allocation input queries, unhandled input, and input maps.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::E_SCENE_TREE_AND_LIFECYCLE: **Scene Tree Manipulation & Node Lifecycle** &mdash; Creating nodes (Godot.create), hierarchy management, node ownership, and clean deletion.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::F_GAMEPLAY_LOGGING_AND_SENSORS: **Gameplay Logging & Diagnostics DSL** &mdash; Integrating structured logging, gameplay metrics, and tag filters within Godot nodes.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::G_ERGONOMIC_NODE_ACCESS: **Ergonomic Node & Path Access** &mdash; Type-safe node retrieval, subscript indexers ([]), operator overloads (/ and %), path prefixes ($ and %), and bare macros (n! and u!).
• C_GAMEPLAY_AND_DECLARATIVE_DSL::H_MODULES_AND_MIXINS: Modular Node Mixins (gmodule) — Authoring reusable gameplay traits, interfaces, and component mixins with export properties, signals, and lifecycle hooks.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::I_MULTIPLAYER_AND_NETWORKING: Multiplayer and Networking — High-performance multiplayer networking, declarative @[RPC] annotations, synchronization DSL, and Wireshark-style network testing harness.
• C_GAMEPLAY_AND_DECLARATIVE_DSL::J_GDSCRIPT_TO_CRYSTAL_CHEATSHEET: GDScript to Crystal Migration Cheatsheet — Exhaustive side-by-side cheatsheet mapping GDScript syntax to Crystal for Lapis.

D_CONCURRENCY_AND_FIBERS

• D_CONCURRENCY_AND_FIBERS::A_FIBERS_AND_COOPERATIVE_AWAIT: **Fibers & Cooperative Signal Awaiting** &mdash; Single-threaded scene loop orchestration, Fiber.yield, and non-blocking timers.
• D_CONCURRENCY_AND_FIBERS::B_OS_THREADS_AND_CHANNELS: **OS Threads & Actor Channels** &mdash; Offloading intensive computing with Thread.new and buffered Godot::Channel(T).
• D_CONCURRENCY_AND_FIBERS::C_MAIN_THREAD_DISPATCH: **Main Thread Queue & Thread-Safe Dispatch** &mdash; Modifying scenes from workers via Godot.on_main_thread, call_deferred, and thread asserts.

E_MEMORY_SAFETY_AND_ENGINE_INTERNALS

• E_MEMORY_SAFETY_AND_ENGINE_INTERNALS::A_OBJECTDB_AND_MONOTONIC_IDS: **Godot ObjectDB & Monotonic Instance IDs** &mdash; Mapping native C++ heap pointers to 64-bit monotonic instance IDs to prevent pointer reuse.
• E_MEMORY_SAFETY_AND_ENGINE_INTERNALS::B_DEAD_POINTER_PROTECTION: **Dead-Pointer Protection & Access Violation Defense** &mdash; Defensive inspection (#alive?, #destroyed?, #check_alive!) and DisposedObjectError.
• E_MEMORY_SAFETY_AND_ENGINE_INTERNALS::C_BOEHM_GC_VS_REFCOUNTING: Boehm GC vs Godot Reference Counting — Bridging Crystal's garbage collector and Godot's atomic reference counter.

F_SCRIPTING_AND_INTEROPERABILITY

• F_SCRIPTING_AND_INTEROPERABILITY::A_FIRST_CLASS_CRYSTAL_SCRIPTS: First-Class Crystal Scripts in Godot Editor — Writing .cr files directly inside Godot Script Editor with native syntax highlighting and Crystalline LSP.
• F_SCRIPTING_AND_INTEROPERABILITY::B_GDSCRIPT_INTEROP: **GDScript Interoperability & Project Bindings** &mdash; Bidirectional calling between Crystal and GDScript, automated typed wrappers, and Variant marshaling.
• F_SCRIPTING_AND_INTEROPERABILITY::C_DOC_COMMENTS_AND_F1_HELP: **Doc Comments & Godot In-Editor F1 Help** &mdash; Compile-time doc comment harvesting, DocData XML synthesis, and Godot offline documentation.

G_DEBUGGING_AND_DIAGNOSTICS

• G_DEBUGGING_AND_DIAGNOSTICS::A_RADARE2_NATIVE_DEBUGGING: **Native radare2 Debugging, Decompilation & Gutter Breakpoints** &mdash; Attaching radare2 to Godot processes, native pseudo-C decompilation (pdc), disassembly, and multiplayer lockstep.
• G_DEBUGGING_AND_DIAGNOSTICS::B_CRASH_HANDLER_AND_WATCHPOINTS: **Crash Diagnostics, Watchpoints & Memory Inspection** &mdash; Debugging segmentation faults (0xC0000005), hardware watchpoints, and dead-pointer forensics.
• G_DEBUGGING_AND_DIAGNOSTICS::C_LEAK_AND_DISPATCH_DIAGNOSTICS: **Leak Tracking & Latency Profiling** &mdash; Using LeakTracker, TombstoneTracker, and DispatchProfiler for runtime introspection.

H_TESTING_AND_BENCHMARKS

• H_TESTING_AND_BENCHMARKS::A_TESTING_FRAMEWORK: **Unified Testing Framework & Leak Verification** &mdash; Writing test suites, assertions, frame-stepping, and zero memory leak validation (assert_no_leak).
• H_TESTING_AND_BENCHMARKS::B_PERFORMANCE_BENCHMARKS: **Performance Profiling & Benchmark Reports** &mdash; Running Crystal vs GDScript benchmarks, SVG chart generation, and CI tracking.

I_ARCHITECTURE_AND_EXTENSIONS

• I_ARCHITECTURE_AND_EXTENSIONS::A_DUAL_PARADIGM_MODEL: The Dual-Paradigm Execution Model — Mode A (GDExtension In-Editor Tool) vs Mode B (Standalone LibGodot Host Executable).
• I_ARCHITECTURE_AND_EXTENSIONS::B_CPP_BRIDGE_LOADER: Native C++ Loader Bridge Architecture — Flat C-ABI mapping, GDExtension function pointers, memory layouts, and crash guards.
• I_ARCHITECTURE_AND_EXTENSIONS::C_ADDONS_AND_MULTI_PLUGIN_ISOLATION: **GDExtension Addons & Multi-Plugin Isolation** &mdash; ClassDB namespace isolation, inter-addon dependencies, and compilation topologies across Crystal addons.
• I_ARCHITECTURE_AND_EXTENSIONS::D_GODOT_VERSION_UPGRADE: Godot Engine Version Upgrade Guide — Upgrading target Godot versions, dumping extension_api.json, and regenerating Crystal class bindings.

J_MODERN_CLI_AND_TUI

• J_MODERN_CLI_AND_TUI::A_INTERACTIVE_COMMAND_CENTER: **Interactive Terminal Command Center & Differential TUI** &mdash; High-density telemetry dashboard, split-pane layout, differential cell rendering, and keyboard shortcuts.
• J_MODERN_CLI_AND_TUI::B_TUI_HUB_AND_SPECIALIZED_VIEWS: **Interactive TUI Hub & Domain Workspaces** &mdash; Operational guide to lapis cli hub, folder-picker new/editor wizards, context-aware package forms, r2 crash forensics, and benchmark analytics.