REPORT + CONTEXT for v0.315.0: the live walk on demo-hp, and the two defects only a browser found

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0117kRTSgs3rJWUFGxyoWN6Y

CONTEXT.md

@@ -24,7 +24,14 @@ Last updated: 2026-10-15 (v0.315.0 — one app page with four tabs, the catalog
 > **Found by a red-proof, and worth remembering:** the after-start handler's „the catalog must have DECLARED this field"
 > check could be deleted with the whole suite green — and a POST for an undeclared field then reached Plex and opened the
 > setup gate. Two guards that look like one are two tests.
-> Not yet validated: the operator's own look at the page in a browser, and a real Plex claim through the new card.
+> **Two defects the whole test suite could not see, both found in Chrome on the workstation** (this is
+> the case for CC running on Windows): the tab bar had no CSS at all and the hero logo was unsized,
+> because the shell invented class names beside ones the design system already had rules for; and the
+> log tab's `<script>` was never closed, so the page rendered, every marker matched, and the live log
+> poller was dead ("SyntaxError: Unexpected token '<'"). A marker proves a string is present, not that
+> the browser will run it. `TestAppPage_ScriptTagsAreBalanced` now pins the second on all seven URLs.
+> Live on demo-hp 9201; the floor stays 0.314.0 until all three test boxes have taken it.
+> Not yet validated: the operator's own look at the page, and a real Plex claim through the new card.
 
 > **2026-10-15 (evening) — v0.314.0, the floor since 13:11 UTC (raised by CC's token after the three test boxes; no golden).**
 > A restore puts the setup gate back as it was (`internal/stacks/restore_gate.go`, felhom.eu `09` §3 decision 253, R-1057);