docs(ui): prototype branching negative variant history (#193)

2026-10-17 07:39:44 -07:00
parent 95fcdb3465
commit a12677c38c
2 changed files with 153 additions and 0 deletions
@@ -0,0 +1,45 @@
+"""Serve only the timeline concept and its pinned toolkit assets."""
+
+import argparse
+from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
+from pathlib import Path
+from urllib.parse import urlsplit
+
+ROOT = Path(__file__).resolve().parents[1]
+FILES = {
+    "/": ("docs/concepts/prompt-variant-timeline.html", "text/html; charset=utf-8"),
+    "/toolkit/core.js": ("web/js/shared/toolkit/core.js", "text/javascript"),
+    "/toolkit/controls.css": ("web/js/shared/toolkit/controls.css", "text/css"),
+}
+
+
+class PreviewHandler(BaseHTTPRequestHandler):
+    def do_GET(self) -> None:
+        target = FILES.get(urlsplit(self.path).path)
+        if target is None:
+            self.send_error(404)
+            return
+        filename, mime = target
+        body = (ROOT / filename).read_bytes()
+        self.send_response(200)
+        self.send_header("Content-Type", mime)
+        self.send_header("Content-Length", str(len(body)))
+        self.send_header("Cache-Control", "no-store")
+        self.send_header("X-Content-Type-Options", "nosniff")
+        self.end_headers()
+        self.wfile.write(body)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("--bind", default="127.0.0.1")
+    parser.add_argument("--port", type=int, default=8766)
+    args = parser.parse_args()
+    server = ThreadingHTTPServer((args.bind, args.port), PreviewHandler)
+    print(f"Timeline prototype: http://{args.bind}:{args.port}/", flush=True)
+    try:
+        server.serve_forever()
+    except KeyboardInterrupt:
+        pass
+    finally:
+        server.server_close()