chore: gitignore root reports/ and stop tracking generated outputs

Keep local report artifacts on disk; align .gitignore with README policy.
scripts/reports/ remains tracked as report code.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: 2-mean

.gitignore

@@ -26,6 +26,8 @@ htmlcov/
 # Experiment outputs and generated analysis artifacts
 /experiments_current/
 /experiments/
+# Generated report outputs (plot CSV/MD); keep scripts/reports/ in git
+/reports/
 # Pre-rename artifact filenames (local trees only; current code uses vision_* names)
 **/result_general_*.json
 **/general_suite_summary.*

README.md

@@ -258,7 +258,11 @@ New code and new runs use `graphfl_lab`, `vision`, `graph_filtered_*`, and `grap
 | Path | Git |
 |---|---|
 | source code, runners, scripts | include |
+| `scripts/reports/` | include (report **code**) |
 | docs, configs, tests, CI | include |
 | `requirements.txt`, `pyproject.toml` | include |
-| `data/`, experiment output roots, `reports/`, `outputs/`, `runs/` | ignore |
+| `data/`, `experiments_current/`, `outputs/`, `runs/` | ignore (local only) |
+| `reports/` (repo root) | ignore (generated plots/tables; local only) |
 | `.venv/`, editor cache | ignore |
+
+Root `reports/` stays on disk but is not tracked; use `git rm -r --cached reports/` once if an old case study was committed before the ignore rule.