fix(audit): Replay-Pipeline um P35/P77/P78/P36 Signals-Block ergaenzen

check_replay.py rendert jetzt auch die Textsignal-Findings (Save-Label-
Ambiguitaet, Cookies-in-DSE-Akzeptanz, JC-Klausel positiv, Social-Embeds).
Damit hat der Replay-Test parity mit der echten Mail-Pipeline.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

backend-compliance/compliance/services/check_replay.py

@@ -132,6 +132,24 @@ def replay_from_snapshot(
     except Exception as e:
         logger.warning("Replay: vvt failed: %s", e)
 
+    # P35 + P77 + P78 + P36: Textsignale (Save-Label, Cookies-in-DSE,
+    # JC-Klausel, Social-Embeds)
+    try:
+        from compliance.services.doc_text_signals import (
+            run_all as run_signal_checks,
+            build_signals_block_html,
+        )
+        cookie_doc_missing = not bool(doc_texts.get("cookie"))
+        sig_findings = run_signal_checks(
+            banner_result, doc_texts, cookie_doc_missing,
+        )
+        if sig_findings:
+            sig_html = build_signals_block_html(sig_findings)
+            parts.append(sig_html)
+            section_sizes["signals"] = len(sig_html)
+    except Exception as e:
+        logger.warning("Replay: signals block failed: %s", e)
+
     # P92 + P94: Banner-Konsistenz
     try:
         from compliance.services.banner_consistency_checks import (