feat: invitation links no longer bound to an e-mail addressHEADmain

A link is redeemable by whoever opens it first, so it can be sent by any
messaging app. The address is optional (mail + label only); a link lives
7 days, fixed. Adds a Share button; see MESHBAY_DESIGN.md §3.4.

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

1 files changed, 26 insertions, 6 deletions

diff --git a/packages/meshbay-node/tests/test_ops_links.py b/packages/meshbay-node/tests/test_ops_links.py
index 00258d3..9ad01d2 100644
--- a/packages/meshbay-node/tests/test_ops_links.py
+++ b/packages/meshbay-node/tests/test_ops_links.py
@@ -1,13 +1,15 @@
 """
 Invitation links from the operator's own machine (`member invite --link`).
 
-The CLI makes both halves itself: the node's code, then the hub's ticket bound
-to an address, then the link. What can go wrong is a half left behind — a code
-the hub never ticketed, occupying one of the group's places, or a ticket whose
-code was cancelled — and the CLI asking the hub to mail, which it may not.
+The CLI makes both halves itself: the node's code, then the hub's ticket, then
+the link. The address is optional and only labels the link. What can go wrong
+is a half left behind — a code the hub never ticketed, occupying one of the
+group's places, or a ticket whose code was cancelled — and the CLI asking the
+hub to mail, which it may not.
 """
 
 import re
+from datetime import UTC, datetime, timedelta
 
 import pytest
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
@@ -76,12 +78,30 @@ async def test_a_refused_ticket_takes_the_code_back(roster):
     assert [i for i in await roster.list_invites() if i["kind"] == KIND_LINK] == []
 
 
-async def test_an_address_is_required(roster):
+async def test_an_address_is_optional_but_must_be_one_when_given(roster):
+    hub = _Hub()
+    out = await ops.create_link_invitation(_state(roster, hub), GROUP)
+    assert LINK.match(out["link"]), out["link"]
+    assert hub.created == [(GROUP, "", out["invite_id"])]
     with pytest.raises(ops.OpError) as refused:
-        await ops.create_link_invitation(_state(roster, _Hub()), GROUP, "alice")
+        await ops.create_link_invitation(_state(roster, hub), GROUP, "alice")
     assert refused.value.status == 422
 
 
+async def test_a_link_lives_seven_days_whatever_the_invite_setting(roster):
+    class _Node:
+        invite_ttl_hours = 24 * 30
+
+    class _Config:
+        node = _Node()
+
+    state = _state(roster, _Hub())
+    state["config"] = _Config()
+    out = await ops.create_link_invite(state, GROUP)
+    left = datetime.fromisoformat(out["expires_at"]) - datetime.now(UTC)
+    assert timedelta(days=6, hours=23) < left <= timedelta(days=7)
+
+
 async def test_cancelling_takes_back_both_halves(roster):
     hub = _Hub()
     state = _state(roster, hub)