Initial Context Extractor: extension + Playwright/Camoufox package

Ship a shared markdown/prompt core used by a Brave/Chrome MV3 extension and a Python automation API, with pytest coverage, CI, and packaging smoke.

scripts/package_extension.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+"""Zip up extension/ into dist/context-extractor-extension.zip for distribution.
+
+For local dev, you don't need this — just "Load unpacked" and point Chrome or
+Brave straight at the extension/ folder. This script is only useful if you
+want a shareable zip (e.g. to hand to someone else, or side-load elsewhere).
+"""
+
+import zipfile
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parent.parent
+SRC = ROOT / "extension"
+DIST = ROOT / "dist"
+
+
+def main() -> None:
+    DIST.mkdir(exist_ok=True)
+    out_path = DIST / "context-extractor-extension.zip"
+    with zipfile.ZipFile(out_path, "w", zipfile.ZIP_DEFLATED) as zf:
+        for path in sorted(SRC.rglob("*")):
+            if path.is_file():
+                zf.write(path, path.relative_to(SRC))
+    print(f"Wrote {out_path} ({out_path.stat().st_size:,} bytes)")
+
+
+if __name__ == "__main__":
+    main()