The issues list fits a 390 px phone: no sideways scroll, long titles wrap #9344

The owner opens the issues list on a 390 px phone. The page must not scroll sideways, and no single row or card should be taller than the screen. Follow the pattern of test/bets-card-fit.test.ts (#9286), as #9323–#9328 do for their pages.

Done looks like:

• [x] A test renders the issues list with seeded long content: a 300-character unbroken word, a long title, many rows. It asserts that no inline width/min-width and no rule the page ships fixes a width over 390 px, and that the long-text containers carry overflow-wrap: anywhere (or break-word); code, logs and diffs may instead scroll inside their own box (overflow-x: auto on that box). It fails without the fix, or, if the page already fits, it pins that.
• [x] Anything it finds is fixed in src/web/studio/lists.ts. Any new class is named in docs/design/areas/issues-list.md (create it if absent), not docs/DESIGN.md.
• [ ] The pull description links the preview's phone look of /preview-admin/sample/issues, and says in one line whether it scrolls sideways.
• [x] bun scripts/design-lint.ts passes. Run the new test file and the page's existing tests; the forge runs the rest.

Files: src/web/studio/lists.ts (tellsList), docs/design/areas/issues-list.md, one new test file. Risks: change no route and no data read. Don't touch src/http/api.ts. One page per pull; do not widen it to sibling pages.

Reviewed pull #9367 at its head: ticked A test renders the issues list with seeded long content: a 300-character unbroken word, a long title, many rows. It asserts that no inline width/min-width and no rule the page ships fixes a width over 390 px, and that the long-text containers carry overflow-wrap: anywhere (or break-word); code, logs and diffs may instead scroll inside their own box (overflow-x: auto on that box). It fails without the fix, or, if the page already fits, it pins that.; Anything it finds is fixed in src/web/studio/lists.ts. Any new class is named in docs/design/areas/issues-list.md (create it if absent), not docs/DESIGN.md.; bun scripts/design-lint.ts passes. Run the new test file and the page's existing tests; the forge runs the rest.. left open: The pull description links the preview's phone look of /preview-admin/sample/issues, and says in one line whether it scrolls sideways. — The description says the builder did not look at the phone render and links no look, so it states no verdict on sideways scroll..

Left open after pull #9367 landed: 1 unticked item remains (The pull description links the preview's phone look of /preview-admin/sample/issues, and says in one line whether it scrolls sideways.). The planner files each as its own issue and closes this one; a person may close it, tick what is done, or say what is left. Until then the crew does not pick it again.