feat: initial HSAP platform

Huaxu Sentinel Active Safety Platform with embedded algorithm code,
Docker Compose setup, and vendored dataset scaffolds for clone-and-run.

Co-authored-by: Cursor <cursoragent@cursor.com>

.dockerignore

@@ -0,0 +1,13 @@
+.git
+**/__pycache__
+**/*.pyc
+**/.pytest_cache
+**/node_modules
+platform/web/dist
+**/runs
+**/log
+**/tmp
+manifests/platform.db
+*.md
+.env
+manifests/feishu.env