docs: record rule apply and archive-on-arrival

The no-confirmation rule gains its second exception, by property: a write
scoped to the whole index confirms with the count, though it can be undone.
AGENTS.md and the spec now describe the backfill as built: the worker
resolves the ids once, writes one tag at a time over that fixed list, and
answers with a single ruleApplied from which the undo macro is built, with
nothing armed on the shared confirmation queue. Apply is refused during a
sync.

Hand round trip, throwaway index of 2 messages (one from the promo
sender), rules.json written by TagRules::save from the C++ side with
allow_archive and a note: post-new exited 0 and logged "applied 1
rule(s)"; after it, tag:promo 1, tag:inbox 1, tag:promo and tag:inbox 0,
tag:unread 2, tag:new 0. The file read back 1 rule with allow_archive
True and note "kept".

Italian translations for the 16 new strings; lrelease reports 725
finished, 0 unfinished.

Items 212 and 213 closed. Item 214 opened: an undo's write is not armed,
so its confirmation is credited to whatever command is waiting.

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

1 files changed, 15 insertions, 0 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 736fca0..9e1d500 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,14 @@ point at which they are stable.
 - A second launch now hands its selectors to the already-running window over a
   local socket and asks it to raise itself, rather than opening a second
   window. One process, and so one notmuch database handle.
+- **Apply to existing mail** in the tagging rules dialog. It saves the
+  rules, counts the messages the selected rule would actually change, asks
+  with that count, and applies it. Undo reverts exactly what moved, until the
+  next search. It is refused while a sync is running.
+- **Archive matching mail on arrival**, a per-rule checkbox. A rule that
+  removes `inbox` used to be skipped whole by the sync hook; with the box
+  ticked it runs, and `inbox` is removed. `unread` is never removed on
+  arrival. The dialog now names every rule the hook will skip.
 
 ### Changed
 
@@ -50,6 +58,13 @@ point at which they are stable.
 - Clicking a conversation's first message in the overview's unread list now
   opens that message, instead of doing nothing visible.
 
+### Upgrading
+
+- A rule that removes `inbox` was never applied by the sync hook. Open the
+  rules dialog: such rules are named in the warning. Tick "Archive matching
+  mail on arrival" on each one you want to run, then use "Apply to existing
+  mail" to catch up on what arrived meanwhile.
+
 ## [0.30.0] - 2026-09-29
 
 A calendar window over the vdirsyncer vdir, with a month grid, an agenda and