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fix(db,frontend): reserve DB connections for API and reduce frontend polling

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Background tasks (ingestion, PDF resolution, scheduler) now acquire an
asyncio.Semaphore before checking out a DB connection, guaranteeing at
least N connections remain available for API request handlers. Removes
duplicate polling loop from PublicationsPage, debounces publication
reload on run-status changes, and increases poll interval from 5s to 15s
since SSE handles live discovery.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Justin Visser 2026-03-02 19:09:06 +01:00
parent a490e14126
commit f50b609a36
11 changed files with 97 additions and 69 deletions
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12
frontend/src/features/publications/composables/usePublicationData.ts
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@ -277,12 +277,16 @@ export function usePublicationData() {
// --- Run-triggered refresh watcher ---
let previousRunStatusKey: string | null = null;
watch(
() => runStatus.latestRun,
async (nextRun, previousRun) => {
const nextRunId = nextRun && (nextRun.status === "running" || nextRun.status === "resolving") ? nextRun.id : null;
const previousRunId = previousRun && (previousRun.status === "running" || previousRun.status === "resolving") ? previousRun.id : null;
if (nextRunId === null || nextRunId === previousRunId) return;
async (nextRun) => {
const nextStatus = nextRun ? `${nextRun.id}:${nextRun.status}` : null;
if (nextStatus === previousRunStatusKey) return;
previousRunStatusKey = nextStatus;
const isActive = nextRun && (nextRun.status === "running" || nextRun.status === "resolving");
if (!isActive) return;
resetPageAndSnapshot();
await loadPublications();
},