chore(kb): notițe youtube mai, fix email tools, update newsletter/anaf-monitor

Adaugă 4 notițe YouTube (llama.cpp, Mario Zechner, bonificatie impozit,
AI scaffolding) + notă coaching grok. Actualizează index KB.
Fix email_digest și email_forward. Update newsletter cercetasi + cron jobs.
ANAF monitor hashes/snapshots/versions la zi.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/newsletter_cercetasi.py

@@ -127,12 +127,29 @@ async def check_and_send(config, send_callback) -> None:
         return
 
     channel = config.get("newsletter_cercetasi.channel", "echo-core")
+    sent = False
     try:
         await send_callback(channel, summary)
+        sent = True
+        log.info("Newsletter #%d/%d summary sent to channel '%s'", next_n, current_year, channel)
+    except Exception as e:
+        log.error("Send failed for newsletter #%d/%d — will retry next check: %s", next_n, current_year, e)
+
+    # Trimite și pe WhatsApp dacă e configurat
+    owner = config.get("whatsapp.owner", "")
+    if owner and sent:
+        owner_jid = f"{owner}@s.whatsapp.net"
+        bridge_url = config.get("whatsapp.bridge_url", "http://127.0.0.1:8098")
+        try:
+            async with httpx.AsyncClient() as client:
+                for chunk in [summary[i:i+4096] for i in range(0, len(summary), 4096)]:
+                    await client.post(f"{bridge_url}/send", json={"to": owner_jid, "text": chunk}, timeout=15)
+            log.info("Newsletter #%d/%d summary sent to WhatsApp", next_n, current_year)
+        except Exception as e:
+            log.error("WhatsApp send failed for newsletter #%d/%d: %s", next_n, current_year, e)
+
+    if sent:
         state["last_sent"] = next_n
         state["year"] = current_year
         state["last_sent_at"] = datetime.now(timezone.utc).isoformat()
         _write_state(state)
-        log.info("Newsletter #%d/%d summary sent to channel '%s'", next_n, current_year, channel)
-    except Exception as e:
-        log.error("Send failed for newsletter #%d/%d — will retry next check: %s", next_n, current_year, e)