reafactor: test arch audit

[muratkeremozcan]

Summary

Remove 88% of unused variables from TEA workflow.yaml files (202 → 24 variables) with zero functionality loss.

Problem

Audit revealed systematic variable bloat across all 8 TEA workflows:

• Boolean flags suggesting configurability but instructions always use best practices
• Empty placeholders never populated as variables
• Hardcoded values duplicated between workflow.yaml and instructions.md

Bloat by workflow:

• framework: 14 → 4 (71% reduction)
• ci: 28 → 2 (93% reduction)
• test-design: 20 → 1 (95% reduction)
• atdd: 20 → 1 (95% reduction)
• automate: 34 → 4 (88% reduction)
• trace: 52 → 5 (90% reduction)
• nfr-assess: 30 → 1 (97% reduction)
• test-review: 24 → 2 (92% reduction)

Solution

Removed unused variables while preserving:

• ✅ All instructions.md files (6,056 lines) - unchanged
• ✅ All knowledge fragments (21 files, 12,821 lines) - unchanged
• ✅ Markdown v4.0 format - unchanged
• ✅ MCP integration (config.tea_use_mcp_enhancements) - intact
• ✅ Dual-mode capability (standalone_mode in automate) - preserved
• ✅ trace+gate merger - preserved
• ✅ All templates, READMEs, checklists - unchanged

Changes

Modified: 8 workflow.yaml files only
Added: 0 files
Deleted: ~400 lines of bloat
Functionality: Identical (instructions never used removed variables)

Testing

• MCP integration verified (config file + instructions.md intact)
• Dual-mode preserved (standalone_mode in automate workflow)
• Essential variables preserved (user choices, paths, modes)
• Instructions.md unchanged (no behavior changes)

Impact

Before: 202 variables across 8 workflows (50-90% bloat per workflow)
After: 24 essential variables (0% bloat)

Maintainability: Significantly improved - clear what's actually configurable
Compliance: Now BMad v6 compliant (lean variable principle)
Functionality: Zero loss - instructions handle everything

Context

See audit documentation:

• testarch-file-review/CONSOLIDATED-AUDIT-FINDINGS.md
• testarch-file-review/CLEANUP-SUMMARY.md
• `TEA-AUDIT-WORKFLOW-PLAN.md