feat(diagnostics): the debug recorder — start, the pill, steps, screenshots, stop (E16 S2)

- the start dialog is the consent: level (Részletes/Teljes), what is recorded,
  retention and the cap (now served as diagnostics.session_minutes)
- the pill docks under the toasts: elapsed time, Step (an optional label,
  its own Escape layer), Screenshot (tab capture where the browser has it),
  Stop; compact on a phone
- while recording, lib/log tags every event and every request path (req,
  beacon, uploadReq via one identityHeaders) names the session; applyDiagnostics
  raises the level for the session's run and never lowers a raised one, and
  lapses at whichever ends first
- Stop sends what is waiting before the server closes the session; the cap
  says so and opens the composer
- Settings → Diagnosztika and the command palette start/step/stop it
- the evidence leaves the log upload's own request lines out
- the step shortcut is deliberately palette-only: the keymap's D1 rule bars a
  new modifier chord, and a bare letter collides with the players'

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

@@ -37,6 +37,7 @@ const setLevel = vi.fn(
         level,
         until: level === "INFO" ? null : new Date(Date.now() + 86_400_000).toISOString(),
         retention_days: 7,
+        session_minutes: 60,
       },
     }),
 );
@@ -61,7 +62,7 @@ function mount(me: Partial<Me>) {
     id: 1,
     is_demo: false,
     preferences: {},
-    diagnostics: { level: "INFO", until: null, retention_days: 7 },
+    diagnostics: { level: "INFO", until: null, retention_days: 7, session_minutes: 60 },
     ...me,
   });
   render(
@@ -131,7 +132,7 @@ describe("DiagnosticsSettings", () => {
 
   it("going back to the base level needs no consent", async () => {
     const until = new Date(Date.now() + 3_600_000).toISOString();
-    mount({ diagnostics: { level: "DEBUG", until, retention_days: 7 } });
+    mount({ diagnostics: { level: "DEBUG", until, retention_days: 7, session_minutes: 60 } });
     fireEvent.click(levelButton("settings.diagnostics.levels.INFO"));
     expect(screen.queryByTestId("diagnostics-consent")).toBeNull();
     await waitFor(() => expect(setLevel).toHaveBeenCalledWith("INFO"));
@@ -169,7 +170,7 @@ describe("DiagnosticsSettings", () => {
     try {
       // Raised, so the status line's countdown is mounted and its 30 s tick keeps re-rendering.
       const until = new Date(Date.now() + 3_600_000).toISOString();
-      mount({ diagnostics: { level: "DEBUG", until, retention_days: 7 } });
+      mount({ diagnostics: { level: "DEBUG", until, retention_days: 7, session_minutes: 60 } });
       fireEvent.click(levelButton("settings.diagnostics.levels.TRACE"));
       const elsewhere = document.createElement("button");
       document.body.append(elsewhere);
@@ -194,7 +195,7 @@ describe("DiagnosticsSettings", () => {
 
   it("the ticking status line is not a live region", async () => {
     const until = new Date(Date.now() + 3_600_000).toISOString();
-    mount({ diagnostics: { level: "DEBUG", until, retention_days: 7 } });
+    mount({ diagnostics: { level: "DEBUG", until, retention_days: 7, session_minutes: 60 } });
     const status = screen.getByTestId("diagnostics-status");
     expect(status.closest('[role="status"], [aria-live]')).toBeNull();
   });
@@ -215,7 +216,7 @@ describe("DiagnosticsSettings", () => {
       id: 1,
       is_demo: false,
       preferences: {},
-      diagnostics: { level: "INFO", until: null, retention_days: 7 },
+      diagnostics: { level: "INFO", until: null, retention_days: 7, session_minutes: 60 },
     });
     await stale;
     expect(qc.getQueryData<Me>(qk.me())?.diagnostics.level).toBe("TRACE");
@@ -224,7 +225,7 @@ describe("DiagnosticsSettings", () => {
 
   it("a lapsed level shows as the base level", () => {
     const until = new Date(Date.now() - 60_000).toISOString();
-    mount({ diagnostics: { level: "TRACE", until, retention_days: 7 } });
+    mount({ diagnostics: { level: "TRACE", until, retention_days: 7, session_minutes: 60 } });
     expect(levelButton("settings.diagnostics.levels.INFO").getAttribute("aria-pressed")).toBe(
       "true",
     );