feat(5.9): US-003 - modal reutilizabil (overlay, focus-trap, a11y) + cleanup inline-expand 5.8

- base.html: #modal-detaliu (role=dialog, aria-modal) + #detaliu-modal-body swap target;
  focus-trap, inert+aria-hidden pe <main>, Esc/backdrop/x inchid, listener trimiteriChanged (R5/R7)
- _coada.html: ancora modal in afara #submissions-wrap; sters #trimitere-detaliu inert vechi
- _submissions.html: randul declanseaza modalul; sters tr.detaliu-rand sibling (R3)
- _trimitere_detaliu.html: script rescris pentru modal, fara marcheazaDetaliuDeschis/scrollIntoView (R4)
- teste: test_web_modal.py nou (3); test_web_detaliu_inline.py sters; test_acasa_trimiteri.py curatat (R3)
- gates: pytest PASS (suita completa 819). Browser E2E + design-review deferate la VERIFY.

Salvat manual: iteratiile Ralph 2-12 au ramas fara turns (30) inainte de commit.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

scripts/ralph/prd.json

@@ -61,12 +61,12 @@
       "dependsOn": [],
       "requiresBrowserCheck": true,
       "requiresDesignReview": true,
-      "passes": false,
+      "passes": true,
       "failed": false,
       "blocked": false,
       "retries": 0,
       "failureReason": "",
-      "notes": ""
+      "notes": "Cod-complet, salvat manual din working-tree dupa ce iteratiile 2-12 au ramas fara turns (30) inainte de commit. Atins: base.html (markup #modal-detaliu role=dialog aria-modal + #detaliu-modal-body swap target, +212 linii JS focus-trap/inert pe <main>/Esc/backdrop/trimiteriChanged listener), _coada.html (ancora globala in afara #submissions-wrap, sters #trimitere-detaliu inert vechi), _submissions.html (rand declanseaza modalul, sters tr.detaliu-rand sibling), _trimitere_detaliu.html (script rescris R4 fara marcheazaDetaliuDeschis/scrollIntoView), routes.py (minor), tests/test_web_detaliu_inline.py STERS, tests/test_acasa_trimiteri.py (scos assert #trimitere-detaliu), tests/test_web_modal.py NOU (3 teste). Gates: pytest PASS (test_web_modal 3/3; suita completa 819 passed). R3/R5/R7 cod-level verificate (grep: niciun refer rezidual la identificatorii stersi; aria-expanded ramas e doar pe meniul cont). DEFERAT la VERIFY (ROADMAP 5.6): requiresBrowserCheck (E2E gstack) + requiresDesignReview NErulate (loop fara browser/gstack)."
     },
     {
       "id": "US-006",

scripts/ralph/progress.txt

@@ -33,3 +33,4 @@ Note: PRD APROBAT 2026-06-24 cu revizii obligatorii R1-R12 (raport AUTOPLAN). R1
 - US-003 (modal, ui, requiresDesignReview) — independent, priority 15.
 - US-002 depinde de US-001 (acum done) + US-003.
 ---
+## Rate limit la iter 10 — sleep 1800