fix: statement_timeout 5s nas queries PG + timing granular no gap pós-EMOTION UPDATE

modules/api.py

@@ -2542,9 +2542,12 @@ class BelmiraAPI:
                     pass
 
                 # 🔧 UNIFIED CONTEXT: Build complete context including STM and Reply Context
+                import time as _tStep
+                _step_t0 = _tStep.time()
                 unified_context = None
                 if getattr(self, 'unified_builder', None) and conversation_id:
                     try:
+                        _step_t0b = _tStep.time()
                         reply_metadata_robust: Dict[str, Any] = dict(reply_metadata) if reply_metadata else {}
                         if is_reply:
                             reply_metadata_robust.update({
@@ -2598,6 +2601,8 @@ class BelmiraAPI:
                                 pass
                     except Exception as e:
                         self.logger.warning(f"Error building unified context: {e}")
+                _step_t1 = _tStep.time()
+                self.logger.info(f"⏱️ [STEP-TIMING] build_unified_context: {_step_t1-_step_t0:.2f}s")
                 
                 web_content = ""
                 # 🛡️ ANTI-HALLUCINATION: Não pesquisar se o remetente é um bot conhecido
@@ -2641,6 +2646,8 @@ class BelmiraAPI:
                     dossie=dossie,
                     conversation_id=conversation_id
                 )
+                _step_t2 = _tStep.time()
+                self.logger.info(f"⏱️ [STEP-TIMING] _build_prompt: {_step_t2-_step_t1:.2f}s")
                 
                 # ✅ PREPARAR CONTEXTO LSTM PARA THINKING ENGINE
                 # unified_context é um dataclass (não dict), por isso buscamos

modules/database_pg.py

@@ -165,6 +165,13 @@ class DatabasePG:
                 else:
                     conn = psycopg2.connect(**params, cursor_factory=psycopg2.extras.RealDictCursor, connect_timeout=10, **keepalive_opts)
                 conn.autocommit = False
+                # ⏱️ Statement timeout: evita queries que travam o event loop inteiro
+                try:
+                    cur = conn.cursor()
+                    cur.execute("SET statement_timeout = '5000'")
+                    conn.commit()
+                except Exception:
+                    pass
                 
                 # Success: reset circuit breaker
                 DatabasePG._circuit_breaker_failures = 0