v6.0.0-Beta.6

🌟 Key Highlights

Cross-File Reference Validator: Comprehensive tool to detect broken file references, preventing 59 known bugs (~25% of historical issues)
New AutocompleteMultiselect Prompt: Searchable multi-select with improved tool/IDE selection UX
Critical Installer Fixes: Windows CRLF parsing, Gemini CLI TOML support, file extension preservation
Codebase Cleanup: Removed dead Excalidraw/flattener artifacts (-3,798 lines)

Cross-File Reference Validator — Validates ~483 references across ~217 source files, detecting absolute path leaks and broken references (PR #1494)
AutocompleteMultiselect Prompt — Upgraded @clack/prompts to v1.0.0 with custom searchable multiselect, Tab-to-fill-placeholder behavior, and improved tool/IDE selection UX (PR #1514)
OT Domains — Added process_control and building_automation domains with high complexity ratings (PR #1510)
Documentation Reference Pages — Added docs/reference/agents.md, commands.md, and testing.md (PR #1525)

Critical Installer Fixes — Fixed CRLF line ending parsing on Windows, Gemini CLI TOML support, file extension preservation, Codex task generation, Windows path handling, and CSV parsing (PR #1492)
Double Tool Questioning — Removed redundant tool questioning during installation (df176d42)
QA Agent Rename — Renamed Quinn agent to qa for naming consistency (PR #1508)
Documentation Organization — Fixed documentation ordering and links, hide BMGD pages from main LLM docs (PR #1525)

Excalidraw/Flattener Removal — Removed dead artifacts no longer supported beyond beta: Excalidraw workflows, flattener tool, and 12+ diagram creation workflows (-3,798 lines) (f699a368)
Centralized Constants — Centralized BMAD_FOLDER_NAME to reduce hardcoded strings (PR #1492)
Cross-Platform Paths — Fixed path separator inconsistencies in agent IDs (PR #1492)

BMGD Diataxis Refactor — Refactored BMGD documentation using Diataxis principles for better organization (PR #1502)
Generate Project Context — Restored generate-project-context workflow for brownfield project analysis (PR #1491)

Dependency Updates — Upgraded @clack/prompts from v0.11.0 to v1.0.0 and added @clack/core (PR #1514)
CI Integration — Added validate:refs to CI quality workflow with warning annotations (PR #1494)