release: v0.2.0 repository hygiene, CI, and docs sync

Stop tracking personal workflow artifacts at repo root, add CI and MIT
license, align README and agent skills with artifacts/ defaults, and
enable Ruff in dev/CI so releases are verifiable without local-only runs.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_plan_review.py

@@ -1,11 +1,9 @@
 """Tests for plan review helpers."""
 
-import csv
-from pathlib import Path
 
 from vlm.models import ExecutionPlan, FileOperation
+from vlm.plan_render import render_review_verdict
 from vlm.plan_review import (
-    REVIEW_APPLIED_AT_KEY,
     build_duplicate_path_maps,
     build_identity_lookup,
     check_review_requirements,
@@ -15,7 +13,6 @@ from vlm.plan_review import (
     review_plan,
     save_review_csv,
 )
-from vlm.plan_render import render_review_verdict
 from vlm.plan_structure_preview import build_structure_preview_lines
 from vlm.planner import apply_review_to_plan, load_plan, save_plan
 from vlm.utils import utc_now