Update project structure and documentation: Add new entries to .gitignore for standalone outputs and MCP config, delete obsolete design_skill.md file, and revise README and various skills to reflect updated workflow steps, including UI design and performance testing. Adjust paths in retrospective and metrics documentation to align with new directory structure.

.cursor/skills/retrospective/SKILL.md

@@ -4,7 +4,7 @@ description: |
   Collect metrics from implementation batch reports and code review findings, analyze trends across cycles,
   and produce improvement reports with actionable recommendations.
   3-step workflow: collect metrics, analyze trends, produce report.
-  Outputs to _docs/05_metrics/.
+  Outputs to _docs/06_metrics/.
   Trigger phrases:
   - "retrospective", "retro", "run retro"
   - "metrics review", "feedback loop"
@@ -31,7 +31,7 @@ Collect metrics from implementation artifacts, analyze trends across development
 Fixed paths:
 
 - IMPL_DIR: `_docs/03_implementation/`
-- METRICS_DIR: `_docs/05_metrics/`
+- METRICS_DIR: `_docs/06_metrics/`
 - TASKS_DIR: `_docs/02_tasks/`
 
 Announce the resolved paths to the user before proceeding.
@@ -166,7 +166,7 @@ Present the report summary to the user.
 │                                                                │
 │ 1. Collect Metrics  → parse batch reports, compute metrics     │
 │ 2. Analyze Trends   → patterns, comparison, improvement areas  │
-│ 3. Produce Report   → _docs/05_metrics/retro_[date].md         │
+│ 3. Produce Report   → _docs/06_metrics/retro_[date].md         │
 ├────────────────────────────────────────────────────────────────┤
 │ Principles: Data-driven · Actionable · Cumulative              │
 │             Non-judgmental · Save immediately                  │