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feat(dashboard): poll optimisation — T4, T5, T6

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T4: workstreams.md and dependencies.md now call /state/deps instead of the
    full /state/summary — removes 2 heavy 10-table queries per 60 s cycle.

T5: index.md's 4 independent polling loops (summaryState, sbomSnapState,
    regsState, wsChartState) consolidated into a single pageState generator
    with one Promise.all batch and a shared backoff counter.

T6: config.js gains waitForVisible(ms) — pauses polling entirely while the
    tab is hidden and fires immediately on visibilitychange.  pollDelay()
    simplified (hidden-tab POLL_HIDDEN logic removed).  All 16 polling pages
    migrated from await sleep(pollDelay(...)) to await waitForVisible(pollDelay(...)).

CUST-WP-0039 complete — all 6 tasks done.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Bernd Worsch
2026-05-11 17:58:18 +02:00
parent b832032cc3
commit 90c5ea50f7
18 changed files with 111 additions and 155 deletions
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18
dashboard/src/workstreams.md
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@@ -3,25 +3,26 @@ title: Workstreams
---
```js
import {API, POLL_HEAVY, apiFetch, pollDelay, sleep} from "./components/config.js";
import {API, POLL_HEAVY, apiFetch, pollDelay, waitForVisible} from "./components/config.js";
```
```js
// Fetch workstreams + topics + summary (for dep graph) in parallel
// Fetch workstreams + topics + dep edges in parallel; /state/deps replaces the
// heavier /state/summary which was only used here to extract dependency edges.
const wsState = (async function*() {
let failures = 0;
while (true) {
let data = [], openWs = [], ok = false;
try {
const [rw, rt, rr, rs] = await Promise.all([
const [rw, rt, rr, rd] = await Promise.all([
apiFetch("/workstreams/"),
apiFetch("/topics/"),
apiFetch("/repos/"),
apiFetch("/state/summary", {timeout: 20_000}),
apiFetch("/state/deps"),
]);
ok = rw.ok && rt.ok && rr.ok && rs.ok;
ok = rw.ok && rt.ok && rr.ok && rd.ok;
if (ok) {
const [wsList, topicList, repoList, summary] = await Promise.all([rw.json(), rt.json(), rr.json(), rs.json()]);
const [wsList, topicList, repoList, depsList] = await Promise.all([rw.json(), rt.json(), rr.json(), rd.json()]);
const topicMap = Object.fromEntries(topicList.map(t => [t.id, t]));
const repoMap = Object.fromEntries(repoList.map(r => [r.id, r]));
data = wsList.map(w => ({
@@ -29,13 +30,12 @@ const wsState = (async function*() {
domain: repoMap[w.repo_id]?.domain_slug ?? topicMap[w.topic_id]?.domain_slug ?? "unknown",
topic_title: topicMap[w.topic_id]?.title ?? "—",
}));
// open_workstreams from summary carry depends_on / blocks lists
openWs = summary.open_workstreams ?? [];
openWs = depsList;
}
} catch {}
failures = ok ? 0 : failures + 1;
yield {data, openWs, ok, ts: new Date()};
await sleep(pollDelay({ok, base: POLL_HEAVY, failures}));
await waitForVisible(pollDelay({ok, base: POLL_HEAVY, failures}));
}
})();
```