Overlay live legal and changelog markdown from periscope/src.

privacy, terms, file-guide, and changelog stay Periscope operator text at 2.56.0. Docker copies src changelog last; the frontend image keeps content/ at runtime.

tests/test_periscope_frontend_content_overlay.py

@@ -0,0 +1,43 @@
+"""Live-served markdown overlays from periscope/src/frontend/content."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from backend.repo_paths import changelog_paths
+
+ROOT = Path(__file__).resolve().parents[1]
+SRC = ROOT / "periscope" / "src" / "frontend" / "content"
+
+
+def test_content_markdown_is_src():
+    for name in ("changelog.md", "privacy.md", "terms.md", "file-guide.md"):
+        path = SRC / name
+        assert path.is_file(), name
+        text = path.read_text(encoding="utf-8")
+        assert "Native Periscope overlay" not in text[:400]
+        assert "Periscope" in text
+
+
+def test_legal_pages_are_operator_not_faradworks_controller():
+    privacy = (SRC / "privacy.md").read_text(encoding="utf-8")
+    terms = (SRC / "terms.md").read_text(encoding="utf-8")
+    assert "Michele Bigi" in privacy
+    assert "Michele Bigi" in terms
+    assert "Faradworks, Inc. does **not** operate this instance" in privacy
+    assert "This Service is **not** operated by Faradworks, Inc." in terms
+
+
+def test_changelog_stamp_is_2_56_0_and_src_wins():
+    text = (SRC / "changelog.md").read_text(encoding="utf-8")
+    assert "## 2.56.0 — 2026-09-20" in text
+    first = changelog_paths()[0]
+    assert first.parts[-3:] == ("src", "frontend", "content") or first.name == "changelog.md"
+    assert first == SRC / "changelog.md"
+
+
+def test_docker_copies_src_changelog_last():
+    docker = (ROOT / "periscope" / "src" / "backend" / "Dockerfile").read_text(encoding="utf-8")
+    assert "COPY periscope/src/frontend/content/changelog.md /app/changelog.md" in docker
+    fe = (ROOT / "periscope" / "src" / "frontend" / "dockerfile").read_text(encoding="utf-8")
+    assert "COPY --from=builder /app/content ./content" in fe