Merge feature/scheduler-controls: job tooltips, status legend, editable intervals

backend/alembic/versions/0015_scheduler_settings.py

@@ -0,0 +1,30 @@
+"""scheduler job interval overrides
+
+Revision ID: 0015_scheduler_settings
+Revises: 0014_demo_account
+Create Date: 2026-06-16
+
+Adds scheduler_settings: a per-job run-interval override (minutes), editable from the admin
+Scheduler dashboard. Absent row = use the env/config default, so this is purely additive.
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "0015_scheduler_settings"
+down_revision: Union[str, None] = "0014_demo_account"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "scheduler_settings",
+        sa.Column("job_id", sa.String(length=40), primary_key=True),
+        sa.Column("interval_minutes", sa.Integer(), nullable=False),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("scheduler_settings")

backend/app/models.py

@@ -325,6 +325,17 @@ class AppState(Base):
     )
 
 
+class SchedulerSetting(Base):
+    """Admin override for a scheduler job's run interval (minutes). One row per job id;
+    absent = use the env/config default. DB-backed so it's editable from the admin UI at
+    runtime without a redeploy (env stays a fallback)."""
+
+    __tablename__ = "scheduler_settings"
+
+    job_id: Mapped[str] = mapped_column(String(40), primary_key=True)
+    interval_minutes: Mapped[int] = mapped_column(Integer)
+
+
 class Playlist(Base):
     """A per-user named, ordered collection of videos from the shared catalog.
 

backend/app/routes/scheduler.py

@@ -1,7 +1,7 @@
 """Admin Scheduler dashboard: a live view of what the background scheduler is doing —
 per-job run activity (from the in-process scheduler), the work still queued (DB-derived),
 and the shared quota picture."""
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy import and_, func, or_, select
 from sqlalchemy.orm import Session
 
@@ -10,12 +10,36 @@ from app.config import settings
 from app.db import get_db
 from app.models import Channel, Subscription, User, Video
 from app.routes.admin import admin_user
-from app.scheduler import scheduler_snapshot
+from app.scheduler import JOB_INTERVALS, MAX_INTERVAL, MIN_INTERVAL, apply_interval, scheduler_snapshot
 from app.sync.runner import estimate_deep_backfill
 
 router = APIRouter(prefix="/api/admin/scheduler", tags=["admin"])
 
 
+@router.patch("/jobs/{job_id}")
+def set_job_interval(
+    job_id: str,
+    payload: dict,
+    _: User = Depends(admin_user),
+    db: Session = Depends(get_db),
+) -> dict:
+    """Change how often a scheduler job runs (minutes). Persisted as an override and applied
+    to the live scheduler immediately."""
+    if job_id not in JOB_INTERVALS:
+        raise HTTPException(status_code=404, detail="Unknown job")
+    try:
+        minutes = int(payload.get("interval_minutes"))
+    except (TypeError, ValueError):
+        raise HTTPException(status_code=400, detail="interval_minutes must be a number")
+    if not (MIN_INTERVAL <= minutes <= MAX_INTERVAL):
+        raise HTTPException(
+            status_code=400,
+            detail=f"interval must be between {MIN_INTERVAL} and {MAX_INTERVAL} minutes",
+        )
+    applied = apply_interval(db, job_id, minutes)
+    return {"id": job_id, "interval_minutes": applied}
+
+
 @router.get("")
 def get_scheduler(
     _: User = Depends(admin_user), db: Session = Depends(get_db)

backend/app/scheduler.py

@@ -5,10 +5,12 @@ import threading
 from datetime import datetime, timezone
 
 from apscheduler.schedulers.background import BackgroundScheduler
+from sqlalchemy import select
 
 from app import quota
 from app.config import settings
 from app.db import SessionLocal
+from app.models import SchedulerSetting
 from app.state import is_sync_paused
 from app.sync.autotag import run_autotag_all
 from app.sync.playlists import sync_all_playlists
@@ -32,7 +34,8 @@ _scheduler: BackgroundScheduler | None = None
 _activity: dict[str, dict] = {}
 _activity_lock = threading.Lock()
 
-# Each interval job's configured period, surfaced so the dashboard can show "every N min".
+# Each interval job's env/config default period (minutes). The admin can override any of
+# these at runtime (stored in scheduler_settings, applied live); see load_intervals.
 JOB_INTERVALS: dict[str, int] = {
     "rss_poll": settings.rss_poll_minutes,
     "enrich": settings.enrich_interval_minutes,
@@ -43,6 +46,38 @@ JOB_INTERVALS: dict[str, int] = {
     "playlist_sync": settings.playlist_sync_minutes,
 }
 
+# Sane bounds for an admin-set interval (minutes).
+MIN_INTERVAL = 1
+MAX_INTERVAL = 1440  # one day
+
+
+def load_intervals(db) -> dict[str, int]:
+    """Effective per-job intervals: the env/config defaults overlaid with any admin overrides
+    saved in scheduler_settings."""
+    iv = dict(JOB_INTERVALS)
+    for row in db.execute(select(SchedulerSetting)).scalars():
+        if row.job_id in iv and row.interval_minutes:
+            iv[row.job_id] = row.interval_minutes
+    return iv
+
+
+def apply_interval(db, job_id: str, minutes: int) -> int:
+    """Persist a job's interval override and reschedule the live job immediately (if the
+    scheduler runs in this process). Returns the applied value."""
+    if job_id not in JOB_INTERVALS:
+        raise KeyError(job_id)
+    minutes = max(MIN_INTERVAL, min(MAX_INTERVAL, int(minutes)))
+    row = db.get(SchedulerSetting, job_id)
+    if row is None:
+        db.add(SchedulerSetting(job_id=job_id, interval_minutes=minutes))
+    else:
+        row.interval_minutes = minutes
+    db.commit()
+    if _scheduler is not None and _scheduler.get_job(job_id) is not None:
+        _scheduler.reschedule_job(job_id, trigger="interval", minutes=minutes)
+        logger.info("rescheduled job %s to every %s min", job_id, minutes)
+    return minutes
+
 
 def _now_iso() -> str:
     return datetime.now(timezone.utc).isoformat()
@@ -90,19 +125,23 @@ def scheduler_snapshot() -> dict:
     runs no scheduler), so the UI can say so while still showing DB-derived queue/quota."""
     running_here = _scheduler is not None
     next_runs: dict[str, str | None] = {}
+    live_intervals: dict[str, int] = {}
     if _scheduler is not None:
         for job in _scheduler.get_jobs():
             nr = getattr(job, "next_run_time", None)
             next_runs[job.id] = nr.astimezone(timezone.utc).isoformat() if nr else None
+            iv = getattr(job.trigger, "interval", None)
+            if iv is not None:
+                live_intervals[job.id] = round(iv.total_seconds() / 60)
     with _activity_lock:
         acts = {k: dict(v) for k, v in _activity.items()}
     jobs = []
-    for job_id, interval in JOB_INTERVALS.items():
+    for job_id, default_interval in JOB_INTERVALS.items():
         a = acts.get(job_id, {})
         jobs.append(
             {
                 "id": job_id,
-                "interval_minutes": interval,
+                "interval_minutes": live_intervals.get(job_id, default_interval),
                 "next_run": next_runs.get(job_id),
                 "running": a.get("running", False),
                 "status": a.get("status"),
@@ -166,43 +205,24 @@ def start_scheduler() -> None:
     global _scheduler
     if not settings.scheduler_enabled or _scheduler is not None:
         return
+    # Effective intervals = env defaults overlaid with any admin overrides from the DB.
+    db = SessionLocal()
+    try:
+        iv = load_intervals(db)
+    finally:
+        db.close()
+    fns = {
+        "rss_poll": _rss_job,
+        "enrich": _enrich_job,
+        "backfill": _backfill_job,
+        "autotag": _autotag_job,
+        "shorts": _shorts_job,
+        "subscriptions": _subscriptions_job,
+        "playlist_sync": _playlist_sync_job,
+    }
     scheduler = BackgroundScheduler(timezone="UTC")
-    scheduler.add_job(
-        _rss_job, "interval", minutes=settings.rss_poll_minutes, id="rss_poll"
-    )
-    scheduler.add_job(
-        _enrich_job, "interval", minutes=settings.enrich_interval_minutes, id="enrich"
-    )
-    scheduler.add_job(
-        _backfill_job,
-        "interval",
-        minutes=settings.backfill_interval_minutes,
-        id="backfill",
-    )
-    scheduler.add_job(
-        _autotag_job,
-        "interval",
-        minutes=settings.autotag_interval_minutes,
-        id="autotag",
-    )
-    scheduler.add_job(
-        _shorts_job,
-        "interval",
-        minutes=settings.shorts_probe_interval_minutes,
-        id="shorts",
-    )
-    scheduler.add_job(
-        _subscriptions_job,
-        "interval",
-        minutes=settings.subscriptions_resync_minutes,
-        id="subscriptions",
-    )
-    scheduler.add_job(
-        _playlist_sync_job,
-        "interval",
-        minutes=settings.playlist_sync_minutes,
-        id="playlist_sync",
-    )
+    for job_id, fn in fns.items():
+        scheduler.add_job(fn, "interval", minutes=iv[job_id], id=job_id)
     scheduler.start()
     _scheduler = scheduler
     logger.info("scheduler started")

frontend/src/components/Scheduler.tsx

@@ -4,12 +4,15 @@ import { useMutation, useQueryClient } from "@tanstack/react-query";
 import {
   Activity,
   AlertTriangle,
+  Check,
   Clock,
   Database,
   Gauge,
   Pause,
+  Pencil,
   Play,
   RadioTower,
+  X,
 } from "lucide-react";
 import { api, type SchedulerJob, type SchedulerStatus } from "../lib/api";
 import { useLiveQuery } from "../lib/useLiveQuery";
@@ -34,32 +37,109 @@ function fmtCountdown(s: number): string {
   return `${h}h ${m % 60}m`;
 }
 
-function StatusDot({ job }: { job: SchedulerJob }) {
-  const color = job.running
-    ? "bg-accent animate-pulse"
-    : job.status === "ok"
-      ? "bg-emerald-500"
-      : job.status === "error"
-        ? "bg-red-500"
-        : job.status === "skipped"
-          ? "bg-amber-500"
-          : "bg-border";
-  return <span className={`inline-block w-2.5 h-2.5 rounded-full shrink-0 ${color}`} />;
+const DOT_CLASS: Record<string, string> = {
+  running: "bg-accent animate-pulse",
+  ok: "bg-emerald-500",
+  error: "bg-red-500",
+  skipped: "bg-amber-500",
+  idle: "bg-border",
+};
+
+function statusKey(job: SchedulerJob): keyof typeof DOT_CLASS {
+  if (job.running) return "running";
+  if (job.status === "ok") return "ok";
+  if (job.status === "error") return "error";
+  if (job.status === "skipped") return "skipped";
+  return "idle";
 }
 
-function JobRow({ job }: { job: SchedulerJob }) {
+function StatusDot({ k, withTooltip = true }: { k: keyof typeof DOT_CLASS; withTooltip?: boolean }) {
   const { t } = useTranslation();
+  const dot = <span className={`inline-block w-2.5 h-2.5 rounded-full shrink-0 ${DOT_CLASS[k]}`} />;
+  return withTooltip ? <Tooltip hint={t(`scheduler.dot.${k}`)}>{dot}</Tooltip> : dot;
+}
+
+function StatusLegend() {
+  const { t } = useTranslation();
+  return (
+    <div className="flex items-center gap-x-3 gap-y-1 flex-wrap text-[11px] text-muted mb-2">
+      {(["running", "ok", "idle", "error", "skipped"] as const).map((k) => (
+        <span key={k} className="inline-flex items-center gap-1.5">
+          <StatusDot k={k} withTooltip={false} />
+          {t(`scheduler.dot.${k}`)}
+        </span>
+      ))}
+    </div>
+  );
+}
+
+function JobRow({
+  job,
+  onSave,
+  saving,
+}: {
+  job: SchedulerJob;
+  onSave: (minutes: number) => void;
+  saving: boolean;
+}) {
+  const { t } = useTranslation();
+  const [editing, setEditing] = useState(false);
+  const [val, setVal] = useState(String(job.interval_minutes));
   const next = secsUntil(job.next_run);
+  useEffect(() => {
+    if (!editing) setVal(String(job.interval_minutes));
+  }, [job.interval_minutes, editing]);
+
+  function save() {
+    const m = parseInt(val, 10);
+    if (Number.isFinite(m) && m >= 1 && m <= 1440 && m !== job.interval_minutes) onSave(m);
+    setEditing(false);
+  }
+
   return (
     <div className="glass-card rounded-xl p-3 flex items-center gap-3">
-      <StatusDot job={job} />
+      <StatusDot k={statusKey(job)} />
       <div className="min-w-0 flex-1">
-        <div className="text-sm font-medium truncate">
+        <div className="text-sm font-medium flex items-center gap-1.5 flex-wrap">
+          <Tooltip hint={t(`scheduler.jobDesc.${job.id}`)}>
+            <span className="underline decoration-dotted decoration-muted/40 underline-offset-4 cursor-help">
               {t(`scheduler.jobs.${job.id}`, job.id)}
-          <span className="text-muted font-normal">
-            {" "}
-            · {t("scheduler.everyMin", { count: job.interval_minutes })}
             </span>
+          </Tooltip>
+          {editing ? (
+            <span className="inline-flex items-center gap-1">
+              <input
+                type="number"
+                min={1}
+                max={1440}
+                value={val}
+                autoFocus
+                onChange={(e) => setVal(e.target.value)}
+                onKeyDown={(e) => {
+                  if (e.key === "Enter") save();
+                  if (e.key === "Escape") setEditing(false);
+                }}
+                className="w-16 bg-card border border-border rounded px-1.5 py-0.5 text-xs outline-none focus:border-accent"
+              />
+              <span className="text-muted text-xs">{t("scheduler.minutes")}</span>
+              <button onClick={save} disabled={saving} className="text-emerald-400 hover:opacity-80 disabled:opacity-50" aria-label={t("common.save")}>
+                <Check className="w-3.5 h-3.5" />
+              </button>
+              <button onClick={() => setEditing(false)} className="text-muted hover:text-fg" aria-label={t("common.cancel")}>
+                <X className="w-3.5 h-3.5" />
+              </button>
+            </span>
+          ) : (
+            <Tooltip hint={t("scheduler.editInterval")}>
+              <button
+                onClick={() => setEditing(true)}
+                className="group text-muted font-normal hover:text-accent inline-flex items-center gap-1 transition"
+              >
+                · {t("scheduler.everyMin", { count: job.interval_minutes })}
+                <Pencil className="w-3 h-3 opacity-0 group-hover:opacity-100 transition" />
+              </button>
+            </Tooltip>
+          )}
         </div>
         <div className="text-[11px] text-muted truncate">
           {job.running
@@ -140,6 +220,13 @@ export default function Scheduler() {
     onError: () => notify({ level: "error", message: t("scheduler.toggleFailed") }),
   });
 
+  const intervalMut = useMutation({
+    mutationFn: (v: { jobId: string; minutes: number }) =>
+      api.updateSchedulerJob(v.jobId, v.minutes),
+    onSuccess: () => qc.invalidateQueries({ queryKey: ["scheduler"] }),
+    onError: () => notify({ level: "error", message: t("scheduler.intervalFailed") }),
+  });
+
   if (q.isLoading && !data)
     return <div className="p-8 text-muted">{t("scheduler.loading")}</div>;
   if (!data)
@@ -195,9 +282,15 @@ export default function Scheduler() {
       {/* Jobs */}
       <div>
         <div className="text-xs uppercase tracking-wide text-muted mb-2">{t("scheduler.jobsTitle")}</div>
+        <StatusLegend />
         <div className="space-y-1.5">
           {data.jobs.map((job) => (
-            <JobRow key={job.id} job={job} />
+            <JobRow
+              key={job.id}
+              job={job}
+              saving={intervalMut.isPending}
+              onSave={(minutes) => intervalMut.mutate({ jobId: job.id, minutes })}
+            />
           ))}
         </div>
       </div>

frontend/src/i18n/locales/de/scheduler.json

@@ -22,6 +22,25 @@
   "quotaUsed": "{{used}} / {{budget}} Einheiten heute verbraucht",
   "quotaRemaining": "{{formatted}} übrig",
   "quotaNote": "Gemeinsames YouTube-Data-API-Budget; Reset um Mitternacht US-Pazifik. Backfill tritt zurück, um Spielraum für interaktive Nutzung zu lassen.",
+  "minutes": "Min",
+  "editInterval": "Klicken, um das Intervall zu ändern",
+  "intervalFailed": "Intervall konnte nicht geändert werden",
+  "dot": {
+    "running": "läuft gerade",
+    "ok": "letzter Lauf OK",
+    "idle": "untätig (in dieser Sitzung noch nicht gelaufen)",
+    "error": "letzter Lauf fehlgeschlagen",
+    "skipped": "übersprungen (Sync pausiert)"
+  },
+  "jobDesc": {
+    "rss_poll": "Prüft den RSS-Feed jedes Kanals auf neue Uploads (kostenlos, kein Kontingent). Fällt er aus, erscheinen neue Videos erst später, wenn ein Backfill sie erfasst — der Feed hinkt YouTube hinterher.",
+    "enrich": "Holt Videodetails (Dauer, Aufrufe, Live-/Shorts-Flags) und prüft Live-Videos erneut, bis sie enden. Fällt er aus, bleiben Videos ohne Dauer/Statistik und beendete Streams hängen als „live“ fest.",
+    "backfill": "Holt neue Uploads und dann den gesamten Verlauf vorgemerkter Kanäle, innerhalb des gemeinsamen Kontingents. Fällt er aus, werden ältere Videos und der volle Verlauf nicht ergänzt.",
+    "autotag": "Erkennt Sprache/Themen jedes Kanals und vergibt automatische Tags. Fällt er aus, bekommen neue Kanäle keine Auto-Tags, sodass Sprach-/Themenfilter sie verfehlen.",
+    "shorts": "Prüft youtube.com/shorts, um Shorts zu markieren. Fällt er aus, werden Shorts im Feed nicht von normalen Videos getrennt.",
+    "subscriptions": "Importiert die YouTube-Abos jedes Nutzers neu. Fällt er aus, werden auf YouTube hinzugefügte oder entfernte Abos hier nicht übernommen.",
+    "playlist_sync": "Spiegelt die YouTube-Wiedergabelisten jedes Nutzers in die App. Fällt er aus, erscheinen Änderungen an deinen YouTube-Listen lokal nicht."
+  },
   "jobs": {
     "rss_poll": "RSS-Abfrage (neue Uploads)",
     "enrich": "Anreicherung + Live-Aktualisierung",

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

@@ -22,6 +22,25 @@
   "quotaUsed": "{{used}} / {{budget}} units used today",
   "quotaRemaining": "{{formatted}} left",
   "quotaNote": "Shared YouTube Data API budget; resets at midnight US Pacific. Backfill yields to leave headroom for interactive use.",
+  "minutes": "min",
+  "editInterval": "Click to change how often this runs",
+  "intervalFailed": "Couldn't change the interval",
+  "dot": {
+    "running": "running now",
+    "ok": "last run OK",
+    "idle": "idle (not run yet this session)",
+    "error": "last run failed",
+    "skipped": "skipped (sync paused)"
+  },
+  "jobDesc": {
+    "rss_poll": "Checks each channel's RSS feed for new uploads (free, no quota). If it stops, new videos only appear later when a backfill pass catches them, so your feed lags behind YouTube.",
+    "enrich": "Fetches video details (duration, views, live/Shorts flags) and re-checks live videos until they end. If it stops, videos stay without a duration/stats and ended livestreams stay stuck as “live”.",
+    "backfill": "Pulls in recent uploads, then the full back-catalogue for opted-in channels, within the shared quota. If it stops, older videos and full history don't fill in.",
+    "autotag": "Detects each channel's language/topics and applies automatic tags. If it stops, new channels get no auto tags, so language/topic filters miss them.",
+    "shorts": "Probes youtube.com/shorts to mark which videos are Shorts. If it stops, Shorts aren't separated from normal videos in the feed.",
+    "subscriptions": "Re-imports every user's YouTube subscriptions. If it stops, channels subscribed to or dropped on YouTube aren't reflected here.",
+    "playlist_sync": "Mirrors each user's YouTube playlists into the app. If it stops, changes to your YouTube playlists don't show up locally."
+  },
   "jobs": {
     "rss_poll": "RSS poll (new uploads)",
     "enrich": "Enrichment + live refresh",

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

@@ -22,6 +22,25 @@
   "quotaUsed": "{{used}} / {{budget}} egység ma felhasználva",
   "quotaRemaining": "{{formatted}} maradt",
   "quotaNote": "Közös YouTube Data API-keret; éjfélkor (US Pacific) nullázódik. A backfill hátrébb sorol, hogy maradjon hely az interaktív használatnak.",
+  "minutes": "perc",
+  "editInterval": "Kattints a gyakoriság módosításához",
+  "intervalFailed": "Nem sikerült módosítani a gyakoriságot",
+  "dot": {
+    "running": "most fut",
+    "ok": "utolsó futás OK",
+    "idle": "tétlen (ebben a munkamenetben még nem futott)",
+    "error": "utolsó futás hibázott",
+    "skipped": "kihagyva (szinkron szüneteltetve)"
+  },
+  "jobDesc": {
+    "rss_poll": "Az egyes csatornák RSS-feedjét nézi új feltöltésekért (ingyenes, nem fogyaszt kvótát). Ha leáll, az új videók csak később jelennek meg, amikor egy backfill behúzza őket — így a hírfolyam lemarad a YouTube mögött.",
+    "enrich": "Lekéri a videók adatait (hossz, megtekintés, élő/Shorts jelzők), és frissíti az élő videókat, amíg véget nem érnek. Ha leáll, a videók hossz/statisztika nélkül maradnak, a véget ért adások pedig „élő” állapotban ragadnak.",
+    "backfill": "Behúzza a friss feltöltéseket, majd a kijelölt csatornák teljes előzményét, a közös kvótán belül. Ha leáll, a régebbi videók és a teljes előzmény nem töltődik fel.",
+    "autotag": "Felismeri a csatornák nyelvét/témáit, és automatikus címkéket ad. Ha leáll, az új csatornák címke nélkül maradnak, így a nyelv/téma szűrők kihagyják őket.",
+    "shorts": "A youtube.com/shorts próbával jelöli, mely videók Shorts-ok. Ha leáll, a Shorts-ok nem különülnek el a normál videóktól a hírfolyamban.",
+    "subscriptions": "Újraimportálja minden felhasználó YouTube-feliratkozásait. Ha leáll, a YouTube-on felvett vagy törölt feliratkozások nem tükröződnek itt.",
+    "playlist_sync": "Tükrözi a felhasználók YouTube lejátszási listáit az appba. Ha leáll, a YouTube-listák változásai nem jelennek meg lokálisan."
+  },
   "jobs": {
     "rss_poll": "RSS-lekérdezés (új feltöltések)",
     "enrich": "Adatdúsítás + élő frissítés",

frontend/src/lib/api.ts

@@ -434,6 +434,11 @@ export const api = {
   myUsage: (): Promise<MyUsage> => req("/api/quota/my-usage"),
   adminQuota: (days = 30): Promise<AdminQuota> => req(`/api/quota/admin?days=${days}`),
   schedulerStatus: (): Promise<SchedulerStatus> => req("/api/admin/scheduler"),
+  updateSchedulerJob: (jobId: string, intervalMinutes: number): Promise<{ id: string; interval_minutes: number }> =>
+    req(`/api/admin/scheduler/jobs/${jobId}`, {
+      method: "PATCH",
+      body: JSON.stringify({ interval_minutes: intervalMinutes }),
+    }),
 
   // --- onboarding / admin ---
   requestAccess: (email: string): Promise<{ status: string }> =>