feat: beta API integration test suite — 85 new tests across 6 modules

Extends integration test coverage from 108 to 193 tests for the beta gate.

New test modules:
- test_query_api_extended.py (33 tests): documents, evidence, macro/competitive, ops/admin, agents, analytics
- test_registry_write_paths.py (16 tests): write paths, validation, duplicates, competitor/exposure CRUD
- test_risk_approval_lifecycle.py (8 tests): evaluation edge cases, full approval lifecycle
- test_trading_extended.py (12 tests): config round-trips, decision filtering, override validation
- test_cross_service_roundtrip.py (4 tests): cross-service data consistency
- test_error_handling.py (12 tests): 404s, 422s, empty states, health checks

Seed script extended with watchlists, approvals, lockouts, notifications,
ingestion runs, saved queries, and daily risk snapshots.

tests/integration/conftest.py

@@ -21,18 +21,25 @@ import pytest_asyncio
 from tests.integration.profiler import EndpointProfiler
 from tests.integration.seed_sandbox import (
     SEED_AGENT_IDS,
+    SEED_APPROVAL_IDS,
     SEED_BROKER_ACCOUNT_ID,
     SEED_COMPANY_IDS,
     SEED_DOCUMENT_IDS,
     SEED_GLOBAL_EVENT_IDS,
+    SEED_INGESTION_RUN_IDS,
+    SEED_LOCKOUT_IDS,
+    SEED_NOTIFICATION_IDS,
     SEED_ORDER_IDS,
     SEED_PORTFOLIO_SNAPSHOT_ID,
     SEED_POSITION_IDS,
     SEED_RECOMMENDATION_IDS,
     SEED_RISK_CONFIG_ID,
+    SEED_RISK_SNAPSHOT_IDS,
+    SEED_SAVED_QUERY_IDS,
     SEED_TRADING_DECISION_ID,
     SEED_TREND_IDS,
     SEED_VARIANT_IDS,
+    SEED_WATCHLIST_IDS,
 )
 
 # ---------------------------------------------------------------------------
@@ -185,4 +192,11 @@ def seed_ids() -> dict:
         "trading_decision_id": SEED_TRADING_DECISION_ID,
         "portfolio_snapshot_id": SEED_PORTFOLIO_SNAPSHOT_ID,
         "risk_config_id": SEED_RISK_CONFIG_ID,
+        "watchlists": SEED_WATCHLIST_IDS,
+        "approvals": SEED_APPROVAL_IDS,
+        "lockouts": SEED_LOCKOUT_IDS,
+        "notifications": SEED_NOTIFICATION_IDS,
+        "ingestion_runs": SEED_INGESTION_RUN_IDS,
+        "saved_queries": SEED_SAVED_QUERY_IDS,
+        "risk_snapshots": SEED_RISK_SNAPSHOT_IDS,
     }