Add diff_engine_core as git submodule

Transurgeon · claude · Transurgeon · commit 1d81fb487a8f · 2026-01-30T16:18:24.000-05:00
Add DNLP-diff-engine as a git submodule for building the _diffengine
C extension. The submodule includes:
- Pure C library (pyproject.toml removed)
- Apache 2.0 LICENSE
- Module renamed from _core to _diffengine
- diag_vec atom implementation

Co-Authored-By: Claude Opus 4.5 &lt;noreply@anthropic.com&gt;
diff --git a/.gitmodules b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "diff_engine_core"]
+	path = diff_engine_core
+	url = https://github.com/dance858/DNLP-diff-engine
diff --git a/diff_engine_core b/diff_engine_core
@@ -0,0 +1 @@
+Subproject commit f0df9c156fb95ab4ffd5d1b17776f4f026ce0d71

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+[submodule "diff_engine_core"]`
	`2`	`+ path = diff_engine_core`
	`3`	`+ url = https://github.com/dance858/DNLP-diff-engine`