Graphify-Labs · GUGU75006 · Aug 6, 2026 · Aug 6, 2026 · Aug 10, 2026
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,7 @@ Full release notes with details on each version: [GitHub Releases](https://githu
 
 ## Unreleased
 
+- Fix: `graph.html` is now part of the dated pre-overwrite snapshot (`graphify-out/YYYY-MM-DD/`). `backup_if_protected` preserved every other artifact of a protected graph before a rebuild overwrote it, but not the interactive viewer — so each run silently destroyed the only browsable copy of the previous graph, and the dated folders could not be opened in a browser at all.
 - Fix: `graphify install --platform hermes` now installs to the right directory on Windows. Hermes scans `%LOCALAPPDATA%\hermes\skills`, but the installer always used the POSIX `~/.hermes/skills` (so on Windows the skill was never discovered). `_platform_skill_destination` gained a hermes branch that targets `%LOCALAPPDATA%\hermes\skills` on Windows and keeps `~/.hermes/skills` elsewhere (#1403).
 - Fix: cross-file type-annotation references no longer create phantom duplicate nodes. A class defined once but referenced via type annotations in N other files (`def f(x: Thing) -> Thing`) produced 1+N nodes — the extra ones with the referencing file's path baked into the id (`pkg_a_py_thing`). `ensure_named_node` minted a *sourced* stub for these cross-file refs, which `_disambiguate_colliding_node_ids` then collided into per-file ids and `_rewire_unique_stub_nodes` refused to collapse. The fallback now emits a *sourceless* stub (like the inheritance-base path), so the references resolve to the single canonical definition. Fixed uniformly across all six language extractors that share the helper (#1402).
 - Feat: CUDA (`.cu`/`.cuh`) source files are now extracted. CUDA is a C++ superset, so these files route through the existing C++ (`tree-sitter-cpp`) extractor — no new grammar dependency. `__global__`/`__device__` kernels, host functions, structs and `#include`s are captured, host call edges are inferred, and `<<<grid, block>>>` kernel-launch syntax parses without error. Detection and file-watching follow automatically since both derive their extension sets from the dispatch table / `CODE_EXTENSIONS` (#1411).

diff --git a/graphify/export.py b/graphify/export.py
@@ -26,6 +26,9 @@
     "manifest.json",
     ".graphify_semantic_marker",
     "cost.json",
+    # The rendered viewer is regenerable, but only by re-running the build it
+    # belongs to — without it the dated folder can't be opened in a browser.
+    "graph.html",
 ]
 
 

diff --git a/tests/test_export.py b/tests/test_export.py
@@ -266,6 +266,17 @@ def test_backup_semantic_marker(tmp_path):
     assert (result / ".graphify_semantic_marker").exists()
 
 
+def test_backup_includes_graph_html(tmp_path):
+    """graph.html is snapshotted with the rest, so the dated folder is browsable."""
+    from graphify.export import backup_if_protected
+    (tmp_path / "graph.json").write_text('{"nodes":[],"links":[]}')
+    (tmp_path / "graph.html").write_text("<html>old viewer</html>")
+    (tmp_path / ".graphify_semantic_marker").write_text("{}")
+    result = backup_if_protected(tmp_path)
+    assert result is not None
+    assert (result / "graph.html").read_text() == "<html>old viewer</html>"
+
+
 def test_backup_curated_labels(tmp_path):
     """graph.json + non-default label in .graphify_labels.json → backup taken."""
     import json