WEBFETCH-WP-0003: Forgejo CI, org licence, inbox acks, progress

- .forgejo/workflows/test.yaml: offline tests on Python 3.10 and 3.13
- LICENSE: Target Revenue Source License V1C1 (org-wide preliminary licence)
- pyproject: license field; AGENTS/SCOPE: CI and licence facts

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 153021@bnt-lap001
Assistant-Session: 46917be4-6400-4106-b8b7-61953a0caf24

SCOPE.md

@@ -68,7 +68,8 @@ failures become `error`; a failing spec never aborts the run.
   reads a checkout via `WEB_FETCHER_PATH` rather than the tag
   (`WEBFETCH-WP-0003-T03`).
 - Running inside rein-aharness is plausible (stdlib only) but unverified.
-- No CI and no licence yet (`WEBFETCH-WP-0003`).
+- Licence: Target Revenue Source License V1C1 (org-wide preliminary licence).
+- CI: Forgejo Actions runs the offline tests on Python 3.10 and 3.13.
 
 ## Getting Oriented