feat(rulebook): port script — parse FabledRulebook .md → Scribe DB

tests/fixtures/fabledrulebook_sample/README.md

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+# Sample Rulebook
+
+This is a fixture for testing the port script.

tests/fixtures/fabledrulebook_sample/git-workflow.md

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+# git-workflow
+
+Lead paragraph describing the topic.
+
+## dev is home
+
+Work directly on dev; no feature branches.
+
+**Why:** It minimises ceremony for a solo developer.
+
+**How to apply:** Default for all repo work. Switch to a feature branch only when explicitly asked.
+
+## no-force-push
+
+Never force-push to main.
+
+**Why:** Force-pushing rewrites shared history.
+
+**How to apply:** Anytime you're about to run `git push --force`, stop and check the target branch.

tests/test_import_fabledrulebook.py

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+"""Tests for scripts/import_fabledrulebook.py — parser fixtures only.
+
+The CLI / DB-writing portion is exercised manually on remote dev — it's a
+one-shot script.
+"""
+from pathlib import Path
+
+
+FIXTURES = Path(__file__).parent / "fixtures" / "fabledrulebook_sample"
+
+
+def test_parse_topic_file_extracts_topic_title_and_rules():
+    from scripts.import_fabledrulebook import parse_topic_file
+    topic_title, description, rules = parse_topic_file(FIXTURES / "git-workflow.md")
+
+    assert topic_title == "git-workflow"
+    assert "Lead paragraph" in description
+    assert len(rules) == 2
+    assert rules[0]["title"] == "dev is home"
+    assert "Work directly on dev" in rules[0]["statement"]
+    assert "minimises ceremony" in rules[0]["why"]
+    assert "Default for all repo work" in rules[0]["how_to_apply"]
+
+
+def test_parse_rule_body_without_why_treats_whole_body_as_statement():
+    from scripts.import_fabledrulebook import parse_rule_body
+    out = parse_rule_body("test", "Just a body with no markers.")
+    assert out["statement"] == "Just a body with no markers."
+    assert out["why"] == ""
+    assert out["how_to_apply"] == ""
+
+
+def test_parse_rule_body_handles_only_why():
+    from scripts.import_fabledrulebook import parse_rule_body
+    out = parse_rule_body("test", "Statement.\n\n**Why:** Because.")
+    assert out["statement"] == "Statement."
+    assert out["why"] == "Because."
+    assert out["how_to_apply"] == ""
+
+
+def test_parse_rule_body_handles_only_how_to_apply():
+    from scripts.import_fabledrulebook import parse_rule_body
+    out = parse_rule_body("test", "Statement.\n\n**How to apply:** Do it now.")
+    assert out["statement"] == "Statement."
+    assert out["why"] == ""
+    assert out["how_to_apply"] == "Do it now."