feat(L05): add Git log diff and restore card

2026-07-21 18:05:05 +02:00
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+# L05 · Git Basics II — log, diff and restore
+
+Karta uczy czytania historii i porównywania trzech stanów Git bez niszczenia
+danych. Wszystkie scenariusze działają w repozytoriach `mktemp`.
+
+| Task | Dowód PASS |
+| --- | --- |
+| `task01_read_history` | trzy uporządkowane commity, HEAD=`docs` |
+| `task02_compare_diffs` | HEAD=`base`, index=`staged`, worktree=`working`, status `MM` |
+| `task03_restore_safely` | restore worktree, unstage index, restore do czystego `base` |
+
+```bash
+stemctl card use console-bash L05
+stemctl test native-amd64 console-bash L05 1
+stemctl test native-amd64 console-bash L05 2
+stemctl debug native-amd64 console-bash L05 3
+```
+
+Wyniki wpisz do [answers/git-basics-2-evidence.md](answers/git-basics-2-evidence.md).