feat(messages): add refreshFolder tool#150
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Force an IMAP fetch on a folder so server-side state syncs into
Thunderbird's local cache (useful before searchMessages/getMessage on an
account that may be stale). Drives the fetch via folder.getNewMessages with
an nsIUrlListener for completion; bounded by a one-shot nsITimer timeout
(timeoutMs default 15000, hard-capped at 25000 to stay under the bridge's
30s request timeout and return a structured { error } instead of a hard
fail). Resolve-once guard cancels the timer on completion.
Returns { success, folderPath, totalBefore, totalAfter, newMessages } on a
completed fetch, { success, skipped } for non-IMAP folders, or a structured
{ error } on timeout/fetch-failure/access-denied. Reuses getAccessibleFolder
for the per-account access gate.
Tests + ALL_TOOLS updated; full suite green, lint 0 errors.
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What
refreshFolder(folderPath, timeoutMs)— force an IMAP fetch on a folder so the server's current state syncs into Thunderbird's local cache. Handy beforesearchMessages/getMessageon an account whose offline copy may be stale.folder.getNewMessages(null, urlListener)and detects completion via annsIUrlListener(OnStopRunningUrl).nsITimer:timeoutMsdefault 15000, hard-capped at 25000 to stay under the stdio bridge's 30s request timeout — so a slow server yields a structured{ error: "refreshFolder timed out…" }instead of the bridge hard-failing. A resolve-once guard cancels the timer on completion.{ success: true, skipped: "not an IMAP folder" }.Returns
{ success, folderPath, totalBefore, totalAfter, newMessages }on a completed fetch, or a structured{ error, folderPath }on timeout / fetch-failure / access-denied. ReusesgetAccessibleFolderfor the per-account access gate.Tests
test/validation.test.cjscovers the schema;ALL_TOOLSupdated (structural test passes). Full suite green,eslint .0 errors.Independent of my other open tool PRs (#145/#148/#149) — branches off
maindirectly.