release: 0.65.0 (r14-channel-table-redesign)

VERSION

@@ -1 +1 @@
-0.64.0
+0.65.0

backend/app/routes/channels.py

@@ -4,7 +4,7 @@ hidden, tags) and per-channel sync state. Read + local-write only — YouTube-si
 import logging
 from datetime import datetime, timezone
 
-from fastapi import APIRouter, Depends, HTTPException
+from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException
 from pydantic import BaseModel
 from sqlalchemy import func, select, update
 from sqlalchemy.orm import Session
@@ -28,7 +28,7 @@ from app.models import (
 from app.routes._common import owned_or_404
 from app.routes.admin import admin_user
 from app.sync.explore import explore_ingest_page
-from app.sync.runner import run_recent_backfill
+from app.sync.runner import backfill_channel_now, run_recent_backfill
 from app.sync.subscriptions import apply_channel_details
 from app.utils import iso
 from app.youtube.client import YouTubeClient, YouTubeError
@@ -50,20 +50,19 @@ def list_channels(
     ).all()
 
     # Per-channel aggregates over the shared catalog in ONE grouped pass: stored count, last
-    # upload, total duration, and a Normal/Shorts/Live breakdown. Cheap — a single grouped scan
-    # (~35 ms over the full 233k-row catalog on the dev DB), so computed on read rather than
+    # upload, total duration. Cheap — a single grouped scan, so computed on read rather than
     # denormalised (measure-first: reads aren't frequent/hot enough to warrant cached columns).
+    # (The Normal/Shorts/Live breakdown moved to the channel-detail page in R14, so it is no longer
+    # computed here — the manager table dropped its N/S/L column.)
     channel_ids = [c.id for _, c in rows]
     agg: dict[str, dict] = {}
     if channel_ids:
-        for cid, n, last_up, total_dur, shorts, live in db.execute(
+        for cid, n, last_up, total_dur in db.execute(
             select(
                 Video.channel_id,
                 func.count(Video.id),
                 func.max(Video.published_at),
                 func.coalesce(func.sum(Video.duration_seconds), 0),
-                func.count(Video.id).filter(Video.is_short.is_(True)),
-                func.count(Video.id).filter(Video.live_status.in_(LIVE_OR_UPCOMING)),
             )
             .where(Video.channel_id.in_(channel_ids))
             .group_by(Video.channel_id)
@@ -72,9 +71,6 @@ def list_channels(
                 "stored": n,
                 "last_video_at": iso(last_up),
                 "total_duration_seconds": int(total_dur or 0),
-                "count_short": int(shorts),
-                "count_live": int(live),
-                "count_normal": max(0, int(n) - int(shorts) - int(live)),
             }
 
     # Channels already in the *global* deep-backfill queue — i.e. at least one user (any
@@ -108,9 +104,6 @@ def list_channels(
             "stored_videos": (agg.get(ch.id) or {}).get("stored", 0),
             "last_video_at": (agg.get(ch.id) or {}).get("last_video_at"),
             "total_duration_seconds": (agg.get(ch.id) or {}).get("total_duration_seconds", 0),
-            "count_normal": (agg.get(ch.id) or {}).get("count_normal", 0),
-            "count_short": (agg.get(ch.id) or {}).get("count_short", 0),
-            "count_live": (agg.get(ch.id) or {}).get("count_live", 0),
             "priority": sub.priority,
             "hidden": sub.hidden,
             "deep_requested": sub.deep_requested,
@@ -229,6 +222,9 @@ def _channel_detail_dict(
     explored: bool,
     blocked: bool,
     stored: int,
+    count_normal: int,
+    count_short: int,
+    count_live: int,
     deep_requested: bool,
     priority: int,
     tag_ids: list[int],
@@ -253,6 +249,11 @@ def _channel_detail_dict(
         "explored": explored,
         "blocked": blocked,
         "stored_videos": stored,
+        # Per-type breakdown (Normal / Shorts / Live) — R14 moved it off the manager table onto the
+        # channel page. Same aggregation the manager list uses (count_normal = stored − shorts − live).
+        "count_normal": count_normal,
+        "count_short": count_short,
+        "count_live": count_live,
         # Deep-backfill state, so the channel page can offer "get full history" when the catalog
         # holds only the recent-backfill/RSS subset (video_count is YouTube's raw total).
         "deep_requested": deep_requested,
@@ -304,7 +305,19 @@ def channel_detail(
         )
     ).first() is not None
     blocked = _is_blocked(db, user, channel_id)
-    stored = db.scalar(select(func.count(Video.id)).where(Video.channel_id == channel_id)) or 0
+    # Stored total + the Normal/Shorts/Live split in one grouped pass (same filters as the manager
+    # list), so the channel page can show the per-type breakdown R14 moved off the table.
+    n_all, n_short, n_live = db.execute(
+        select(
+            func.count(Video.id),
+            func.count(Video.id).filter(Video.is_short.is_(True)),
+            func.count(Video.id).filter(Video.live_status.in_(LIVE_OR_UPCOMING)),
+        ).where(Video.channel_id == channel_id)
+    ).one()
+    stored = int(n_all or 0)
+    count_short = int(n_short or 0)
+    count_live = int(n_live or 0)
+    count_normal = max(0, stored - count_short - count_live)
     tag_ids = list(
         db.scalars(
             select(ChannelTag.tag_id).where(
@@ -318,6 +331,9 @@ def channel_detail(
         explored=explored,
         blocked=blocked,
         stored=int(stored),
+        count_normal=count_normal,
+        count_short=count_short,
+        count_live=count_live,
         deep_requested=bool(sub.deep_requested) if sub else False,
         priority=int(sub.priority) if sub else 0,
         tag_ids=tag_ids,
@@ -426,6 +442,7 @@ class ChannelUpdateIn(BaseModel):
 def update_channel(
     channel_id: str,
     body: ChannelUpdateIn,
+    background: BackgroundTasks,
     user: User = Depends(current_user),
     db: Session = Depends(get_db),
 ) -> dict:
@@ -450,12 +467,18 @@ def update_channel(
 
     # Opting a channel into full history should give an immediate feed: if we haven't even
     # fetched its recent uploads yet, do that one channel now (cheap) instead of waiting for
-    # the scheduler. Deep paging still follows on the scheduler's next run (recent-then-deep).
-    # (deep_turned_on is only ever True for a non-demo user — see the guard above.)
+    # the scheduler. (deep_turned_on is only ever True for a non-demo user — see the guard above.)
     if deep_turned_on and channel is not None and channel.recent_synced_at is None:
         with quota.attribute(user.id, quota.QuotaAction.VIDEOS_BACKFILL_RECENT):
             run_recent_backfill(db, [channel], max_channels=1)
 
+    # …and kick the FULL deep backfill for this one channel immediately in the background, so the
+    # whole catalogue lands in seconds instead of over the scheduler's paced 10-minute ticks. The
+    # request returns right away; the channel page's live poll shows the count climb. The scheduler
+    # still finishes a very large channel's tail on its normal runs (deep_requested stays set).
+    if deep_turned_on:
+        background.add_task(backfill_channel_now, channel_id, user.id)
+
     return {
         "id": channel_id,
         "priority": sub.priority,

backend/app/sync/runner.py

@@ -5,6 +5,7 @@ user" (any user with a stored refresh token) unless a YOUTUBE_API_KEY is configu
 public reads.
 """
 import logging
+import threading
 from concurrent.futures import ThreadPoolExecutor, as_completed
 
 from sqlalchemy import select
@@ -13,6 +14,7 @@ from sqlalchemy.orm import Session
 from app import progress, quota, sysconfig
 
 log = logging.getLogger("siftlode.sync")
+from app.db import SessionLocal
 from app.models import Channel, OAuthToken, Subscription, User
 from app.sync.subscriptions import import_subscriptions
 from app.sync.videos import (
@@ -229,6 +231,12 @@ def run_deep_backfill(db: Session, max_channels: int = 10, max_pages: int = 5) -
         for channel in channels:
             if quota.remaining_today(db) <= sysconfig.get_int(db, "backfill_quota_reserve"):
                 break
+            # Claim the channel (or skip it if an interactive backfill already owns it) so the two
+            # never advance the same cursor concurrently — symmetric with backfill_channel_now.
+            with _backfill_lock:
+                if channel.id in _backfill_in_progress:
+                    continue
+                _backfill_in_progress.add(channel.id)
             try:
                 videos_added += backfill_channel_deep(db, yt, channel, max_pages)
                 processed += 1
@@ -236,6 +244,9 @@ def run_deep_backfill(db: Session, max_channels: int = 10, max_pages: int = 5) -
             except Exception:
                 db.rollback()
                 log.exception("Deep backfill failed for channel %s", channel.id)
+            finally:
+                with _backfill_lock:
+                    _backfill_in_progress.discard(channel.id)
     reconciled = reconcile_full_history(db)
     return {
         "channels_processed": processed,
@@ -244,6 +255,58 @@ def run_deep_backfill(db: Session, max_channels: int = 10, max_pages: int = 5) -
     }
 
 
+# Channels being deep-backfilled RIGHT NOW by EITHER path — the interactive backfill_channel_now (a
+# FastAPI BackgroundTasks threadpool thread) OR the scheduler's run_deep_backfill (its own thread).
+# BOTH register the channel they're paging (under the lock) so the other skips it: no two runs page
+# the same channel's `backfill_cursor` concurrently, whichever started first. `_immediate_running`
+# counts only the interactive path, capped so one user's burst can't drain the shared budget (the
+# scheduler is already quota-paced). Single uvicorn process → one shared module state, lock suffices.
+_backfill_in_progress: set[str] = set()
+_immediate_running = 0
+_backfill_lock = threading.Lock()
+_MAX_CONCURRENT_IMMEDIATE = 2
+
+
+def backfill_channel_now(channel_id: str, user_id: int, max_pages: int = 60) -> None:
+    """User-initiated "get full history": deep-backfill ONE channel to completion right now, in a
+    background task with its OWN session, so the full catalogue lands in seconds instead of over the
+    paced scheduler's 10-minute ticks (max_pages=5/channel/tick). Quota-guarded, capped to
+    _MAX_CONCURRENT_IMMEDIATE interactive runs so one user can't drain the shared backfill budget by
+    opting many channels in at once (the overflow, and any very large channel's tail, is finished by
+    the scheduler since deep_requested stays set), and mutually excluded per-channel with the scheduler
+    via _backfill_in_progress. Best-effort — logs and swallows failures."""
+    global _immediate_running
+    with _backfill_lock:
+        if channel_id in _backfill_in_progress or _immediate_running >= _MAX_CONCURRENT_IMMEDIATE:
+            return  # already backfilling this channel, or too many interactive runs — leave it to the scheduler
+        _backfill_in_progress.add(channel_id)
+        _immediate_running += 1
+    try:
+        with SessionLocal() as db:
+            user = get_service_user(db)
+            if user is None:
+                return
+            channel = db.get(Channel, channel_id)
+            if channel is None or channel.backfill_done or not channel.uploads_playlist_id:
+                return
+            if quota.remaining_today(db) <= sysconfig.get_int(db, "backfill_quota_reserve"):
+                return
+            try:
+                # Attribute the spend to the requesting user under the full-backfill action, so it
+                # shows up correctly in the usage breakdown (not the default OTHER/system bucket).
+                with quota.attribute(user_id, quota.QuotaAction.VIDEOS_BACKFILL_FULL):
+                    with YouTubeClient(db, user) as yt:
+                        backfill_channel_deep(db, yt, channel, max_pages)
+                    reconcile_full_history(db)
+            except Exception:
+                db.rollback()
+                log.exception("Immediate backfill failed for channel %s", channel_id)
+    finally:
+        with _backfill_lock:
+            _backfill_in_progress.discard(channel_id)
+            _immediate_running -= 1
+
+
 def estimate_deep_backfill(db: Session, channels: list[Channel]) -> dict:
     """Rough ETA to finish full-history backfill of `channels`. Quota-bound: total
     estimated API units / the daily budget left for backfill. Deliberately approximate —

backend/tests/test_channel_backfill.py

@@ -0,0 +1,178 @@
+"""R14 backend coverage: the channel-detail Normal/Shorts/Live counts (moved off the manager table),
+the update_channel -> immediate-backfill wiring (incl. the demo guard), and the interactive
+"get full history" guard that keeps it from racing the scheduler's cursor or draining the budget."""
+from datetime import datetime, timezone
+
+from fastapi.testclient import TestClient
+
+import app.routes.channels as channels_route
+import app.state as state
+from app.auth import current_user
+from app.db import get_db
+from app.main import app
+from app.models import Channel, Subscription, User, Video
+from app.sync import runner
+
+_PUB = datetime(2020, 1, 1, tzinfo=timezone.utc)
+
+
+def test_channel_detail_returns_normal_shorts_live_counts(db, monkeypatch):
+    # published_at set so channel_detail skips the YouTube-enrich path (no quota / network in tests).
+    ch = Channel(id="UC_nsl", title="N/S/L Channel", published_at=_PUB)
+    db.add(ch)
+    me = User(email="nsl@example.com")
+    db.add(me)
+    db.flush()
+    # DISTINCT counts (2 shorts, 1 live) so a short<->live filter/field swap can't pass:
+    # stored 5, short 2, live 1, normal = 5 - 2 - 1 = 2.
+    db.add_all(
+        [
+            Video(id="v_norm1", channel_id=ch.id),
+            Video(id="v_norm2", channel_id=ch.id),
+            Video(id="v_short1", channel_id=ch.id, is_short=True),
+            Video(id="v_short2", channel_id=ch.id, is_short=True),
+            Video(id="v_live1", channel_id=ch.id, live_status="live"),
+        ]
+    )
+    db.commit()
+
+    # The request gate 503s an unconfigured instance; flip the process-level flag (auto-restored).
+    monkeypatch.setattr(state, "_configured_cache", True)
+    app.dependency_overrides[get_db] = lambda: db
+    app.dependency_overrides[current_user] = lambda: me
+    try:
+        resp = TestClient(app).get(f"/api/channels/{ch.id}")
+    finally:
+        app.dependency_overrides.clear()
+
+    assert resp.status_code == 200, resp.text
+    body = resp.json()
+    assert body["stored_videos"] == 5
+    assert body["count_short"] == 2
+    assert body["count_live"] == 1
+    assert body["count_normal"] == 2
+
+
+def _setup_channel_and_sub(db, *, email, is_demo=False):
+    ch = Channel(
+        id="UC_wire",
+        title="Wire",
+        published_at=_PUB,
+        recent_synced_at=_PUB,  # so update_channel skips the in-request recent backfill (no network)
+        uploads_playlist_id="UU_wire",
+    )
+    db.add(ch)
+    user = User(email=email, is_demo=is_demo)
+    db.add(user)
+    db.flush()
+    db.add(Subscription(user_id=user.id, channel_id=ch.id, deep_requested=False))
+    db.commit()
+    return ch, user
+
+
+def _patch_deep_requested(db, monkeypatch, user):
+    calls: list[tuple] = []
+    # background.add_task runs after the response in TestClient; record what would be scheduled.
+    monkeypatch.setattr(channels_route, "backfill_channel_now", lambda *a, **k: calls.append(a))
+    monkeypatch.setattr(state, "_configured_cache", True)
+    app.dependency_overrides[get_db] = lambda: db
+    app.dependency_overrides[current_user] = lambda: user
+    try:
+        resp = TestClient(app).patch("/api/channels/UC_wire", json={"deep_requested": True})
+    finally:
+        app.dependency_overrides.clear()
+    return resp, calls
+
+
+def test_deep_request_schedules_immediate_backfill_for_non_demo(db, monkeypatch):
+    ch, me = _setup_channel_and_sub(db, email="wire@example.com")
+    resp, calls = _patch_deep_requested(db, monkeypatch, me)
+    assert resp.status_code == 200, resp.text
+    assert resp.json()["deep_requested"] is True
+    # scheduled exactly once, with (channel_id, user_id) — the args backfill_channel_now needs.
+    assert calls == [(ch.id, me.id)]
+
+
+def test_deep_request_does_not_schedule_immediate_backfill_for_demo(db, monkeypatch):
+    # The SHARED demo account must not be able to kick immediate full backfills (budget drain).
+    _ch, demo = _setup_channel_and_sub(db, email="demo@example.com", is_demo=True)
+    resp, calls = _patch_deep_requested(db, monkeypatch, demo)
+    assert resp.status_code == 200, resp.text
+    assert calls == [], "demo must not schedule an immediate backfill"
+    # …and deep_requested is not persisted on the shared demo subscription either.
+    assert resp.json()["deep_requested"] is False
+
+
+class TestImmediateBackfillGuard:
+    """backfill_channel_now coordinates with the paced scheduler through _backfill_in_progress (per-
+    channel mutual exclusion, both directions) + _immediate_running (a cap on interactive runs so a
+    burst can't drain the shared budget)."""
+
+    def setup_method(self):
+        runner._backfill_in_progress.clear()
+        runner._immediate_running = 0
+
+    def teardown_method(self):
+        runner._backfill_in_progress.clear()
+        runner._immediate_running = 0
+
+    @staticmethod
+    def _boom_session():
+        # Reached only AFTER the guard admits the channel; if the guard short-circuits (as it must
+        # in these tests) this never runs, so raising proves the short-circuit.
+        raise AssertionError("guard must short-circuit before opening a session")
+
+    def test_a_second_call_for_an_in_flight_channel_is_a_noop(self, monkeypatch):
+        runner._backfill_in_progress.add("UC_busy")
+        monkeypatch.setattr(runner, "SessionLocal", self._boom_session)
+        runner.backfill_channel_now("UC_busy", 1)  # returns immediately; _boom_session never runs
+        assert runner._backfill_in_progress == {"UC_busy"}  # the in-flight entry is untouched
+
+    def test_over_the_concurrency_cap_falls_back_to_the_scheduler(self, monkeypatch):
+        runner._immediate_running = runner._MAX_CONCURRENT_IMMEDIATE
+        monkeypatch.setattr(runner, "SessionLocal", self._boom_session)
+        runner.backfill_channel_now("UC_new", 1)  # over the cap → no-op, scheduler will handle it
+        assert "UC_new" not in runner._backfill_in_progress
+
+    def test_scheduler_deep_pass_skips_an_in_flight_channel(self, db, monkeypatch):
+        # A channel the scheduler's query WOULD pick (deep-requested, recent-synced, not done)…
+        ch = Channel(
+            id="UC_inflight",
+            title="In-flight",
+            recent_synced_at=_PUB,
+            uploads_playlist_id="UU_inflight",
+            backfill_done=False,
+        )
+        db.add(ch)
+        me = User(email="svc@example.com")
+        db.add(me)
+        db.flush()
+        db.add(Subscription(user_id=me.id, channel_id=ch.id, deep_requested=True))
+        db.commit()
+
+        paged: list[str] = []
+        monkeypatch.setattr(runner, "get_service_user", lambda _db: me)
+        monkeypatch.setattr(runner.quota, "remaining_today", lambda _db: 10_000)
+        monkeypatch.setattr(runner, "YouTubeClient", lambda *a, **k: _NullYt())
+        monkeypatch.setattr(
+            runner, "backfill_channel_deep", lambda _db, _yt, channel, _mp: paged.append(channel.id) or 0
+        )
+        monkeypatch.setattr(runner, "reconcile_full_history", lambda _db: 0)
+
+        # …is skipped by run_deep_backfill while an interactive backfill owns it (no cursor race).
+        runner._backfill_in_progress.add(ch.id)
+        runner.run_deep_backfill(db)
+        assert paged == [], "the scheduler must not page a channel an immediate backfill is handling"
+
+        # …and IS paged once the interactive backfill releases it.
+        runner._backfill_in_progress.discard(ch.id)
+        runner.run_deep_backfill(db)
+        assert paged == [ch.id]
+
+
+class _NullYt:
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *a):
+        return False

frontend/src/components/ChannelLink.tsx

@@ -41,12 +41,16 @@ export default function ChannelLink({
           onMouseDown={(e) => {
             if (e.button === 1) e.preventDefault(); // suppress middle-click autoscroll
           }}
+          // title = the full name, so a truncated fluid-column name is still readable on hover.
+          title={name}
           className="text-sm font-medium truncate hover:text-accent text-left min-w-0"
         >
           {name}
         </button>
       ) : (
-        <span className="text-sm font-medium truncate min-w-0">{name}</span>
+        <span title={name} className="text-sm font-medium truncate min-w-0">
+          {name}
+        </span>
       )}
       <Tooltip hint={t("channels.row.openOnYouTube")}>
         <a

frontend/src/components/ChannelPage.tsx

@@ -1,6 +1,8 @@
 import { useCallback, useEffect, useRef, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { useLiveQuery } from "../lib/useLiveQuery";
+import { channelDetailPollMs } from "../lib/channelDetailPoll";
 import { qk } from "../lib/queryKeys";
 import { useNavigationActions } from "./NavigationProvider";
 import { PriorityStepper } from "./PriorityStepper";
@@ -79,9 +81,12 @@ export default function ChannelPage({
   const MAX_BANNER_RETRIES = 3;
   const [bannerAttempt, setBannerAttempt] = useState(0);
 
-  const detail = useQuery({
-    queryKey: qk.channel(channelId),
-    queryFn: () => api.channelDetail(channelId),
+  // A LIVE query: while THIS user's full-history backfill is running, poll so the stored count (and
+  // the N/S/L breakdown) climb on their own — the immediate backfill fills it in seconds, and the
+  // scheduler tops up any tail on its ~10-minute ticks — then stop polling once the back-catalogue is
+  // in. Same queryKey as before, so mutation invalidations still hit.
+  const detail = useLiveQuery(qk.channel(channelId), () => api.channelDetail(channelId), {
+    intervalMs: channelDetailPollMs,
   });
   const ch = detail.data;
   useEffect(() => setBannerAttempt(0), [ch?.banner_url]); // fresh channel/banner → try again
@@ -264,6 +269,15 @@ export default function ChannelPage({
     ch?.total_view_count != null
       ? t("channel.totalViews", { formatted: formatViews(ch.total_view_count) })
       : null,
+    // Per-type breakdown (R14 moved this off the manager table's N/S/L column). Only meaningful
+    // once we actually hold some of the channel's videos.
+    ch && ch.stored_videos > 0
+      ? t("channel.videoTypes", {
+          normal: ch.count_normal,
+          short: ch.count_short,
+          live: ch.count_live,
+        })
+      : null,
     joined ? t("channel.joined", { date: joined }) : null,
   ].filter(Boolean) as string[];
   // The channel page owns no scroller of its own (PageShell provides the one app scroller). Its

frontend/src/components/Channels.tsx

@@ -7,7 +7,7 @@ import ExcludedChannelList from "./ExcludedChannelList";
 import { api, type ManagedChannel } from "../lib/api";
 import { notifyYouTubeActionError } from "../lib/youtubeErrors";
 import { accountKey, LS } from "../lib/storage";
-import { buildChannelColumns } from "./channelColumns";
+import { buildChannelColumns, applySyncFilter } from "./channelColumns";
 import { notify } from "../lib/notifications";
 import Tooltip from "./Tooltip";
 import DataTable from "./DataTable";
@@ -236,17 +236,22 @@ export default function Channels() {
     setSearch("");
   }, [filtersResetToken]);
 
-  // The sync-status AND tag filters are now controlled column filters (`filters.sync` / `filters.tags`)
-  // shared by the top chips, the column funnels, and the card layout — no separate pre-filter. Hidden
-  // channels have their own tab, so they're excluded from the subscribed table (no more dimmed rows).
-  // Only the name search filters here; the column filters (sync/tags/priority/text funnels) are applied
-  // by DataTable in table mode and by filterRows below in card mode, over the same `columns`.
+  // Tag/priority/text filters stay controlled COLUMN filters (`filters.tags` etc.) shared by the top
+  // chips, the column funnels and the cards. The sync-status filter (`filters.sync`) is no longer a
+  // column — R14 retired the Sync column and folded its status into a ✓ charm on Stored — so it's
+  // applied as a pre-filter (`applySyncFilter`) over the rows fed to BOTH the table and the cards,
+  // still driven by the same top chips. Hidden channels have their own tab (excluded here). Only the
+  // name search filters at this step; the remaining column funnels run in DataTable / filterRows below.
   const hiddenChannels = (channelsQuery.data ?? []).filter((c) => c.hidden);
   const channels = (channelsQuery.data ?? []).filter((c) => !c.hidden);
   const q = search.trim().toLowerCase();
   const visibleChannels = channels.filter(
     (c) => !q || `${c.title ?? ""} ${c.handle ?? ""}`.toLowerCase().includes(q),
   );
+  // Sync-status pre-filter (top chips → `filters.sync`), applied before the table/cards see the rows.
+  // (Inline, not memoised: `visibleChannels` is a fresh array each render, so a useMemo keyed on it
+  // could never hit its cache — and applySyncFilter is a cheap single pass anyway.)
+  const syncedChannels = applySyncFilter(visibleChannels, filters.sync);
   const s = statusQuery.data;
 
   const onView = (c: ManagedChannel) =>
@@ -371,8 +376,8 @@ export default function Channels() {
   // Cards have no column headers, so apply the shared column filters (sync + any funnel set in table
   // mode) here via the exported predicate — the same filterRows DataTable runs internally — then sort.
   const sortedChannels = isCards
-    ? sortRows(filterRows(visibleChannels, columns, filters), columns, sort)
-    : visibleChannels;
+    ? sortRows(filterRows(syncedChannels, columns, filters), columns, sort)
+    : syncedChannels;
   const {
     paged: pagedCards,
     pagerProps,
@@ -527,7 +532,7 @@ export default function Channels() {
             <LoadingState label={t("channels.loading")} />
           ) : layout === "table" ? (
             <DataTable
-              rows={visibleChannels}
+              rows={syncedChannels}
               columns={columns}
               rowKey={(c) => c.id}
               persistKey={accountKey(LS.channelsTable) ?? undefined}
@@ -539,6 +544,7 @@ export default function Channels() {
               onSortChange={setSort}
               filters={filters}
               onFiltersChange={setFilters}
+              fixedLayout
               emptyText={t("channels.empty")}
             />
           ) : (

frontend/src/components/DataTable.fixedLayout.dom.test.tsx

@@ -0,0 +1,44 @@
+// @vitest-environment jsdom
+//
+// The R14 zoom-fit foundation: DataTable's opt-in `fixedLayout` renders a <colgroup> and puts the
+// table into `table-layout: fixed`, so columns with a width keep it and the rest (fluid text columns)
+// split the remainder + truncate instead of pushing the table wider than its container. Off by
+// default so existing content-sized tables are untouched.
+import { describe, it, expect, afterEach, vi } from "vitest";
+import { render, cleanup } from "@testing-library/react";
+import DataTable, { type Column } from "./DataTable";
+
+vi.mock("react-i18next", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("react-i18next")>();
+  return { ...actual, useTranslation: () => ({ t: (key: string) => key }) };
+});
+
+afterEach(cleanup);
+
+type Row = { a: string; b: string };
+const columns: Column<Row>[] = [
+  { key: "a", header: "A", width: "5rem", render: (r) => r.a },
+  { key: "b", header: "B", render: (r) => r.b }, // fluid — no width
+];
+const rows: Row[] = [{ a: "1", b: "hello" }];
+
+describe("DataTable fixedLayout", () => {
+  it("renders a width-bearing colgroup and table-fixed only when fixedLayout is set", () => {
+    const { container } = render(
+      <DataTable rows={rows} columns={columns} rowKey={(r) => r.a} fixedLayout />,
+    );
+    const table = container.querySelector("table");
+    expect(table?.className).toContain("table-fixed");
+
+    const cols = container.querySelectorAll("colgroup col");
+    expect(cols).toHaveLength(2);
+    expect((cols[0] as HTMLElement).style.width).toBe("5rem"); // fixed column keeps its width
+    expect((cols[1] as HTMLElement).style.width).toBe(""); // fluid column: no width, splits remainder
+  });
+
+  it("omits the colgroup and stays auto-layout by default", () => {
+    const { container } = render(<DataTable rows={rows} columns={columns} rowKey={(r) => r.a} />);
+    expect(container.querySelector("colgroup")).toBeNull();
+    expect(container.querySelector("table")?.className).not.toContain("table-fixed");
+  });
+});

frontend/src/components/DataTable.tsx

@@ -60,6 +60,7 @@ export default function DataTable<T>({
   onSortChange,
   filters: filtersProp,
   onFiltersChange,
+  fixedLayout = false,
 }: {
   rows: T[];
   columns: Column<T>[];
@@ -96,6 +97,12 @@ export default function DataTable<T>({
   // default internal, persistKey-backed filters.
   filters?: FilterMap;
   onFiltersChange?: (next: FilterMap) => void;
+  // Opt into `table-layout: fixed` (default is `auto`). In fixed mode the table width == its
+  // container at every zoom/text-size — the columns with an explicit `width` keep it, and the rest
+  // (the fluid text columns) split what remains and TRUNCATE instead of pushing the table wider than
+  // the viewport. Off by default so existing content-sized tables (playlists, discovery, Plex) are
+  // untouched; the channel manager turns it on so its row never scrolls horizontally out of view.
+  fixedLayout?: boolean;
 }) {
   const { t } = useTranslation();
   const initial = loadPersist(persistKey);
@@ -224,7 +231,17 @@ export default function DataTable<T>({
       {(controlsPosition === "top" || controlsPosition === "both") && topControls}
       {/* Wide screens: table. The wrapper isn't clipped so header filter popovers can overflow. */}
       <div className="hidden md:block">
-        <table className="w-full border-collapse text-sm">
+        <table className={`w-full border-collapse text-sm ${fixedLayout ? "table-fixed" : ""}`}>
+          {/* In fixed-layout mode a colgroup drives the column widths: those with an explicit
+              `width` keep it, and the unspecified (fluid) columns split the remainder — so the
+              table never exceeds its container and the fluid cells truncate instead. */}
+          {fixedLayout && (
+            <colgroup>
+              {columns.map((col) => (
+                <col key={col.key} style={col.width ? { width: col.width } : undefined} />
+              ))}
+            </colgroup>
+          )}
           <ColumnHead
             columns={columns}
             sort={sort}

frontend/src/components/channelColumns.dom.test.tsx

@@ -0,0 +1,53 @@
+// @vitest-environment jsdom
+//
+// applySyncFilter is the sync-status pre-filter the top chips drive (R14 retired the Sync column and
+// folded its status into a Stored charm). It replaced a column `filter.test`, so it carries the exact
+// "fully" | "needsFull" | "" vocab + predicate — asserted here so a regression can't silently change
+// which channels the top chips show.
+import { describe, it, expect } from "vitest";
+import { applySyncFilter } from "./channelColumns";
+import { type ManagedChannel } from "../lib/api";
+
+const ch = (over: Partial<ManagedChannel>): ManagedChannel => ({
+  id: "c",
+  title: null,
+  handle: null,
+  thumbnail_url: null,
+  subscriber_count: null,
+  video_count: null,
+  description: null,
+  stored_videos: 0,
+  last_video_at: null,
+  total_duration_seconds: 0,
+  priority: 0,
+  hidden: false,
+  deep_requested: false,
+  deep_in_queue: false,
+  tag_ids: [],
+  details_synced: false,
+  recent_synced: false,
+  backfill_done: false,
+  ...over,
+});
+
+const rows = [
+  ch({ id: "fully", recent_synced: true, backfill_done: true }),
+  ch({ id: "recentOnly", recent_synced: true, backfill_done: false }),
+  ch({ id: "none", recent_synced: false, backfill_done: false }),
+];
+
+describe("applySyncFilter", () => {
+  it("returns every row for the empty/all value (and unknown values)", () => {
+    expect(applySyncFilter(rows, "").map((r) => r.id)).toEqual(["fully", "recentOnly", "none"]);
+    expect(applySyncFilter(rows, undefined)).toHaveLength(3);
+    expect(applySyncFilter(rows, "bogus")).toHaveLength(3);
+  });
+
+  it("'fully' keeps only channels with recent uploads AND full history in", () => {
+    expect(applySyncFilter(rows, "fully").map((r) => r.id)).toEqual(["fully"]);
+  });
+
+  it("'needsFull' keeps every channel whose back-catalogue is not done", () => {
+    expect(applySyncFilter(rows, "needsFull").map((r) => r.id)).toEqual(["recentOnly", "none"]);
+  });
+});

frontend/src/components/channelColumns.tsx

@@ -28,68 +28,38 @@ export function subsColumn<T extends { subscriber_count: number | null }>(t: TFu
   };
 }
 
-function SyncBadge({ ok, label, hint }: { ok: boolean; label: string; hint?: string }) {
-  return (
-    <Tooltip hint={hint ?? ""}>
-      <span
-        className={`inline-flex items-center gap-1 text-3xs px-1.5 py-0.5 rounded-full border ${
-          ok ? "border-accent/40 text-accent" : "border-border text-muted"
-        }`}
-      >
-        {ok && <Check className="w-3 h-3" />}
-        {label}
-      </span>
-    </Tooltip>
-  );
+// A channel is "fully synced" when its recent uploads AND full back-catalogue are both in — the
+// predicate the retired Sync column used, now surfaced as a ✓ charm on the Stored count and driven
+// by the top sync-filter chips.
+const isFullySynced = (c: ManagedChannel) => c.recent_synced && c.backfill_done;
+
+/** Sync-status pre-filter for the subscribed table. The Sync COLUMN is gone (R14) — its status folded
+ *  into a charm on Stored — so the top chips' `filters.sync` value is applied here instead of via a
+ *  column predicate. Same vocab as the old column filter: "fully" | "needsFull" | "" (all). */
+export function applySyncFilter(rows: ManagedChannel[], value: unknown): ManagedChannel[] {
+  if (value === "fully") return rows.filter(isFullySynced);
+  if (value === "needsFull") return rows.filter((c) => !c.backfill_done);
+  return rows;
 }
 
-// Status only — the backfill *action* lives in the Actions column. When both recent and
-// full history are in, collapse to a single "fully synced" chip; otherwise show what's
-// present plus the missing/queued state.
-function SyncCell({ c }: { c: ManagedChannel }) {
+// The Stored count, with a "fully synced" ✓ charm to the left of the number when recent uploads and
+// full history are both in — folding the retired Sync column's at-a-glance status into the value it
+// describes. Full detail stays in the hover tooltip.
+function StoredCell({ c }: { c: ManagedChannel }) {
   const { t } = useTranslation();
-  if (c.recent_synced && c.backfill_done) {
-    return (
-      <SyncBadge
-        ok
-        label={t("channels.row.fullySynced")}
-        hint={t("channels.row.fullySyncedHint")}
-      />
-    );
-  }
   return (
-    <div className="flex flex-nowrap items-center gap-1 whitespace-nowrap">
-      <SyncBadge
-        ok={c.recent_synced}
-        label={t("channels.row.recent")}
-        hint={
-          c.recent_synced
-            ? t("channels.row.recentSyncedHint")
-            : t("channels.row.recentNotSyncedHint")
-        }
-      />
-      {c.backfill_done ? (
-        <SyncBadge ok label={t("channels.row.full")} hint={t("channels.row.fullHint")} />
-      ) : c.deep_requested ? (
-        <SyncBadge
-          ok={false}
-          label={t("channels.row.fullHistoryQueued")}
-          hint={t("channels.row.queuedRequestedHint")}
-        />
-      ) : c.deep_in_queue ? (
-        <SyncBadge
-          ok={false}
-          label={t("channels.row.fullHistoryComing")}
-          hint={t("channels.row.queuedByOtherHint")}
-        />
-      ) : (
-        <SyncBadge
-          ok={false}
-          label={t("channels.row.full")}
-          hint={t("channels.row.fullNotFetchedHint")}
-        />
+    <span className="inline-flex items-center justify-end gap-1 text-muted tabular-nums">
+      {isFullySynced(c) && (
+        <Tooltip hint={t("channels.row.fullySyncedHint")}>
+          <Check
+            role="img"
+            className="w-3.5 h-3.5 text-accent shrink-0 cursor-help"
+            aria-label={t("channels.row.fullySynced")}
+          />
+        </Tooltip>
       )}
-    </div>
+      {c.stored_videos.toLocaleString()}
+    </span>
   );
 }
 
@@ -213,7 +183,7 @@ export function buildChannelColumns(deps: ChannelColumnDeps): Column<ManagedChan
       key: "priority",
       header: t("channels.cols.priority"),
       align: "center",
-      width: "56px",
+      width: "3.5rem",
       sortable: true,
       hideInCard: true,
       sortValue: (c) => c.priority,
@@ -231,7 +201,7 @@ export function buildChannelColumns(deps: ChannelColumnDeps): Column<ManagedChan
       header: t("channels.cols.actions"),
       align: "left",
       nowrap: true,
-      width: "104px",
+      width: "5.5rem",
       cardLabel: false,
       render: (c) => (
         <ActionsCell
@@ -252,11 +222,11 @@ export function buildChannelColumns(deps: ChannelColumnDeps): Column<ManagedChan
       sortValue: (c) => (c.title ?? c.id).toLowerCase(),
       filter: { kind: "text", get: (c) => `${c.title ?? ""} ${c.handle ?? ""}` },
       cardPrimary: true,
-      // Cap the width so a long-titled channel can't stretch the column (table-layout:auto ignores a
-      // cell max-width, but a max-w element INSIDE the cell bounds it — same trick AboutCell uses).
-      // Without this a single long name blows the column ~289→429px and overflows the centered table.
+      // A FLUID column (R14): no width cap. Under the manager table's fixed layout this cell takes a
+      // share of the leftover space and ChannelLink truncates the name to fit (full name on hover via
+      // title), so a long name can't push the table wider than its container at any zoom.
       render: (c) => (
-        <div className="max-w-[18rem]">
+        <div className="min-w-0">
           <ChannelLink
             id={c.id}
             title={c.title}
@@ -271,6 +241,7 @@ export function buildChannelColumns(deps: ChannelColumnDeps): Column<ManagedChan
       key: "about",
       header: t("channels.cols.about"),
       hideInCard: true,
+      // The other FLUID column — AboutCell already truncates to its cell.
       render: (c) => <AboutCell text={c.description} channelId={c.id} />,
     },
     {
@@ -278,17 +249,18 @@ export function buildChannelColumns(deps: ChannelColumnDeps): Column<ManagedChan
       header: t("channels.cols.stored"),
       align: "right",
       nowrap: true,
+      width: "5rem",
       sortable: true,
       sortValue: (c) => c.stored_videos,
-      render: (c) => (
-        <span className="text-muted tabular-nums">{c.stored_videos.toLocaleString()}</span>
-      ),
+      // The stored count carries the "fully synced" ✓ charm (R14 folded the retired Sync column in).
+      render: (c) => <StoredCell c={c} />,
     },
-    subsColumn<ManagedChannel>(t),
+    { ...subsColumn<ManagedChannel>(t), width: "6rem" },
     {
       key: "lastUpload",
       header: t("channels.cols.lastUpload"),
       nowrap: true,
+      width: "6rem",
       sortable: true,
       sortValue: (c) => (c.last_video_at ? new Date(c.last_video_at).getTime() : 0),
       render: (c) => <span className="text-muted">{relativeTime(c.last_video_at) || "—"}</span>,
@@ -298,6 +270,7 @@ export function buildChannelColumns(deps: ChannelColumnDeps): Column<ManagedChan
       header: t("channels.cols.length"),
       align: "right",
       nowrap: true,
+      width: "4.5rem",
       sortable: true,
       sortValue: (c) => c.total_duration_seconds,
       render: (c) => (
@@ -306,45 +279,13 @@ export function buildChannelColumns(deps: ChannelColumnDeps): Column<ManagedChan
         </span>
       ),
     },
-    {
-      key: "types",
-      header: t("channels.cols.types"),
-      nowrap: true,
-      render: (c) => (
-        <Tooltip hint={t("channels.cols.typesHint")}>
-          <span className="text-muted tabular-nums cursor-help">
-            {c.count_normal} / {c.count_short} / {c.count_live}
-          </span>
-        </Tooltip>
-      ),
-    },
-    {
-      key: "sync",
-      header: t("channels.cols.sync"),
-      nowrap: true,
-      cardLabel: false,
-      filter: {
-        kind: "select",
-        options: [
-          { value: "fully", label: t("channels.filters.fullySynced") },
-          { value: "needsFull", label: t("channels.filters.needsFull") },
-        ],
-        test: (c, v) =>
-          v === "fully"
-            ? c.recent_synced && c.backfill_done
-            : v === "needsFull"
-              ? !c.backfill_done
-              : true,
-      },
-      render: (c) => <SyncCell c={c} />,
-    },
     {
       key: "tags",
       header: t("channels.cols.tags"),
       cardLabel: false,
       // Bounded width so the cell can't widen the column and reflow the whole table; the control
       // fills it and collapses overflow into "+N" (see ChannelTagsControl).
-      width: "12rem",
+      width: "9rem",
       filter: {
         kind: "multi",
         options: userTags.map((tg) => ({ value: String(tg.id), label: tg.name })),

frontend/src/i18n/locales/en/channel.json

@@ -12,6 +12,7 @@
   "videoCount_other": "{{count}} videos",
   "videoCountStored": "{{stored}} / {{total}} videos",
   "totalViews": "{{formatted}} views",
+  "videoTypes": "{{normal}} normal / {{short}} shorts / {{live}} live",
   "joined": "Joined {{date}}",
   "loadingVideos": "Loading this channel's videos…",
   "tabVideos": "Videos",

frontend/src/i18n/locales/en/channels.json

@@ -68,9 +68,6 @@
     "subs": "Subscribers",
     "lastUpload": "Last upload",
     "length": "Length",
-    "types": "N/S/L",
-    "typesHint": "Videos by type: Normal / Shorts / Live",
-    "sync": "Sync",
     "tags": "Tags",
     "actions": "Actions"
   },
@@ -97,20 +94,13 @@
     "raisePriority": "Raise priority",
     "lowerPriority": "Lower priority",
     "editPriority": "Click to type a priority (negatives allowed)",
-    "recent": "recent",
-    "recentSyncedHint": "Recent uploads synced.",
-    "recentNotSyncedHint": "Recent uploads not fetched yet.",
-    "full": "full",
     "fullHint": "Full history fetched.",
-    "fullNotFetchedHint": "Full back-catalog not fetched yet — use the backfill action in the Actions column.",
     "fullySynced": "fully synced",
     "fullySyncedHint": "Recent uploads and the full back-catalog are both in.",
     "backfillThis": "Backfill this channel",
     "backfillThisHint": "Fetch this channel's full back-catalog (older videos + complete search). Click again to cancel the request.",
     "resetBackfill": "Reset & re-fetch this channel",
     "resetHint": "Admin: re-fetch this channel from scratch (recent + full back-catalog), regardless of its current sync state.",
-    "fullHistoryQueued": "queued",
-    "fullHistoryComing": "coming",
     "queuedRequestedHint": "Full history requested — this channel's whole back-catalog will backfill as the shared quota allows. Click to cancel your request.",
     "queuedByOtherHint": "Another subscriber already requested this channel's full history, so its whole back-catalog is on its way to everyone — nothing to do here.",
     "hiddenHint": "Hidden — this channel's videos are kept out of your feed. Click to show them again.",

frontend/src/i18n/locales/hu/channel.json

@@ -12,6 +12,7 @@
   "videoCount_other": "{{count}} videó",
   "videoCountStored": "{{stored}} / {{total}} videó",
   "totalViews": "{{formatted}} megtekintés",
+  "videoTypes": "{{normal}} normál / {{short}} short / {{live}} élő",
   "joined": "Csatlakozott: {{date}}",
   "loadingVideos": "A csatorna videóinak betöltése…",
   "tabVideos": "Videók",

frontend/src/i18n/locales/hu/channels.json

@@ -68,9 +68,6 @@
     "subs": "Feliratkozók",
     "lastUpload": "Utolsó feltöltés",
     "length": "Hossz",
-    "types": "N/S/L",
-    "typesHint": "Videók típusonként: Normál / Short / Live",
-    "sync": "Szinkron",
     "tags": "Címkék",
     "actions": "Műveletek"
   },
@@ -97,20 +94,13 @@
     "raisePriority": "Prioritás növelése",
     "lowerPriority": "Prioritás csökkentése",
     "editPriority": "Kattints a prioritás beírásához (negatív is lehet)",
-    "recent": "legutóbbi",
-    "recentSyncedHint": "Legutóbbi feltöltések szinkronizálva.",
-    "recentNotSyncedHint": "A legutóbbi feltöltések még nincsenek letöltve.",
-    "full": "teljes",
     "fullHint": "Teljes előzmény letöltve.",
-    "fullNotFetchedHint": "A teljes archívum még nincs letöltve — használd a Műveletek oszlop backfill gombját.",
     "fullySynced": "teljesen szinkronban",
     "fullySyncedHint": "A legutóbbi feltöltések és a teljes archívum is megvan.",
     "backfillThis": "Csatorna teljes letöltése",
     "backfillThisHint": "A csatorna teljes archívumának letöltése (régebbi videók + teljes keresés). Újra kattintva visszavonod a kérést.",
     "resetBackfill": "Csatorna resetelése és újraletöltése",
     "resetHint": "Admin: a csatorna teljes újraletöltése a nulláról (legutóbbi + teljes archívum), a jelenlegi szinkron-állapottól függetlenül.",
-    "fullHistoryQueued": "sorban",
-    "fullHistoryComing": "úton",
     "queuedRequestedHint": "Teljes előzmény kérve — a csatorna teljes archívuma letöltődik, ahogy a megosztott kvóta engedi. Kattints a kérés visszavonásához.",
     "queuedByOtherHint": "Egy másik feliratkozó már kérte ennek a csatornának a teljes előzményét, így a teljes archívuma már úton van mindenkihez — itt nincs teendőd.",
     "hiddenHint": "Elrejtve — a csatorna videói nem jelennek meg a hírfolyamodban. Kattints, hogy újra láthatóak legyenek.",

frontend/src/lib/api/channels.ts

@@ -27,6 +27,9 @@ export interface ChannelDetail {
   explored: boolean;
   blocked: boolean;
   stored_videos: number;
+  count_normal: number;
+  count_short: number;
+  count_live: number;
   deep_requested: boolean;
   priority: number;
   backfill_done: boolean;
@@ -70,9 +73,6 @@ export interface ManagedChannel {
   stored_videos: number;
   last_video_at: string | null;
   total_duration_seconds: number;
-  count_normal: number;
-  count_short: number;
-  count_live: number;
   priority: number;
   hidden: boolean;
   deep_requested: boolean;

frontend/src/lib/channelDetailPoll.test.ts

@@ -0,0 +1,24 @@
+import { describe, it, expect } from "vitest";
+import { channelDetailPollMs } from "./channelDetailPoll";
+import { type ChannelDetail } from "./api";
+
+// Only deep_requested + backfill_done drive the decision; cast a partial for the pure predicate.
+const d = (over: Partial<ChannelDetail>): ChannelDetail => over as ChannelDetail;
+
+describe("channelDetailPollMs", () => {
+  it("polls at 4s while THIS user's full-history backfill is running", () => {
+    expect(channelDetailPollMs(d({ deep_requested: true, backfill_done: false }))).toBe(4000);
+  });
+
+  it("stops (false) once the back-catalogue is fully in", () => {
+    expect(channelDetailPollMs(d({ deep_requested: true, backfill_done: true }))).toBe(false);
+  });
+
+  it("stops (false) when the user hasn't requested full history", () => {
+    expect(channelDetailPollMs(d({ deep_requested: false, backfill_done: false }))).toBe(false);
+  });
+
+  it("stops (false) before the detail has loaded", () => {
+    expect(channelDetailPollMs(undefined)).toBe(false);
+  });
+});

frontend/src/lib/channelDetailPoll.ts

@@ -0,0 +1,8 @@
+import { type ChannelDetail } from "./api";
+
+/** How often the channel page re-polls its detail (via useLiveQuery): every 4s while THIS user's
+ *  full-history backfill is running (`deep_requested && !backfill_done`) so the stored count + the
+ *  N/S/L breakdown climb on their own, and `false` (stop polling) once the back-catalogue is in or
+ *  the user never requested it. Extracted so the poll-or-stop decision is unit-testable. */
+export const channelDetailPollMs = (d: ChannelDetail | undefined): number | false =>
+  d?.deep_requested && !d.backfill_done ? 4000 : false;

frontend/src/lib/releaseNotes.ts

@@ -14,6 +14,23 @@ export interface ReleaseEntry {
 }
 
 export const RELEASE_NOTES: ReleaseEntry[] = [
+  {
+    version: "0.65.0",
+    date: "2026-08-15",
+    summary:
+      "The channel manager table now fits your screen at any zoom, and asking for a channel's full history fills it in seconds instead of over many minutes.",
+    features: [
+      "Channel manager table redesign: it fits the width at any zoom now (no more sideways scrolling), fully-synced channels get a ✓ next to their stored count, and the crowded N/S/L and Sync columns are gone — the channel-type breakdown moved to the channel page.",
+      "“Get full history” is now immediate: clicking it fills the whole channel's back-catalogue in seconds rather than waiting for the background schedule, and the channel page's counts climb live as it fills — no need to refresh.",
+      "The channel page shows the Normal / Shorts / Live breakdown for the videos it holds.",
+    ],
+    fixes: [
+      "The channel name and description columns now shrink and show “…” (full name on hover) instead of pushing the table off-screen.",
+    ],
+    chores: [
+      "Backend: the immediate full-history backfill coordinates with the background scheduler so the two never duplicate work, its API-quota use is recorded correctly, and it's capped so one burst can't crowd out others.",
+    ],
+  },
   {
     version: "0.64.0",
     date: "2026-08-15",

frontend/src/lib/useLiveQuery.ts

@@ -9,10 +9,13 @@ export function useLiveQuery<T>(
   key: QueryKey,
   queryFn: () => Promise<T>,
   // intervalMs may be a function of the latest data, so the poll cadence can adapt to it
-  // (e.g. poll faster while a job is running). react-query re-evaluates it after each fetch
-  // against fresh data — the right place for this, vs. a React state toggle that can lag or
-  // stall the live updates.
-  opts: { intervalMs?: number | ((data: T | undefined) => number); enabled?: boolean } = {},
+  // (e.g. poll faster while a job is running, and return `false` to STOP once it's done).
+  // react-query re-evaluates it after each fetch against fresh data — the right place for this,
+  // vs. a React state toggle that can lag or stall the live updates.
+  opts: {
+    intervalMs?: number | false | ((data: T | undefined) => number | false);
+    enabled?: boolean;
+  } = {},
 ) {
   const { intervalMs = 4000, enabled = true } = opts;
   return useQuery({