fix(activity): runs keep their true outcome and spend, the page reaches every kept row, a closing dialog leaves the server log alone

Backend
- A run's outcome write sits outside the job's own try: a database blip after a run that
  succeeded no longer records it as failed (the row waits for the next start's sweep).
- An interrupted run keeps what it spent (the sweep sums its quota rows, as finish does).
- The Scheduler's ad-hoc row says running while any backfill runs, not only the newest.
- recent_runs reads each job's last runs off its index instead of ranking the whole table.
- An interval change is stored with its audit row in one transaction, then rescheduled.
- One API instance per database is the stated contract (.env.example, jobruns).
- Turning full history on for a channel already complete records no run.
- Migration 0109 round-trips interrupted and ad-hoc runs; the run words' DB CHECKs are
  test-held to the enums; the account filter is one helper for the four activity reads.
- An audit row says how many of its request's log lines are still kept.

Frontend
- An "All" period reaches every row still kept (runs and admin actions outlive 90 days).
- Back/Forward is followed in place by the server log: a closing dialog no longer turns
  Live off; a pivot still opens a fresh log.
- Runs moved over from the audit log read their one-liner in the reader's language.
- Filter choices or accounts that failed to load say so beside the filters, with a retry.
- An old server-log link keeps its account, text and range; a remembered retired page
  opens its tab.
- A request whose lines are gone says so instead of linking to an empty list.
- The log lines and the history rows share one row frame, and the server log one list
  frame with the other tabs; an empty list is announced; each day's quota is readable.

frontend/src/lib/navRing.contract.test.ts

@@ -37,9 +37,10 @@ it("index.css draws an inset item's ring inside, after the outside rule", () =>
 
 // The items that sit flush, by their source: a new one of the kind should be added here.
 const src = (p: string) => readFileSync(new URL(p, import.meta.url), "utf8");
-it.each([["../components/LogLine.tsx", /navItemAttrs\(navIndex, [^)]*\{ inset: true \}\)/]])(
-  "%s asks for the inside ring",
-  (file, re) => {
-    expect(src(file)).toMatch(re);
-  },
-);
+// The history rows (runs, admin actions) and the log lines share one frame, HistoryRow.
+it.each([
+  ["../components/HistoryRow.tsx", /navItemAttrs\(navIndex, [^)]*\{ inset: true \}\)/],
+  ["../components/LogLine.tsx", /<HistoryRow\s/],
+])("%s asks for the inside ring", (file, re) => {
+  expect(src(file)).toMatch(re);
+});