feat(awooop): expose mcp bridge truth chain

apps/api/src/services/awooop_truth_chain_service.py

@@ -7,6 +7,7 @@ Telegram cards can be audited without guessing which subsystem owns the truth.
 
 from __future__ import annotations
 
+import json
 from datetime import date, datetime
 from decimal import Decimal
 from typing import Any
@@ -20,6 +21,7 @@ from src.db.base import get_db_context
 logger = structlog.get_logger(__name__)
 
 _MAX_ROWS = 100
+_JSON_TEXT_FIELDS = {"gate_result", "source_envelope"}
 
 
 def _clean(value: Any) -> Any:
@@ -38,7 +40,15 @@ def _clean(value: Any) -> Any:
 
 
 def _clean_row(row: Any) -> dict[str, Any]:
-    return {key: _clean(value) for key, value in dict(row).items()}
+    cleaned: dict[str, Any] = {}
+    for key, value in dict(row).items():
+        if key in _JSON_TEXT_FIELDS and isinstance(value, str):
+            try:
+                value = json.loads(value)
+            except json.JSONDecodeError:
+                pass
+        cleaned[key] = _clean(value)
+    return cleaned
 
 
 async def _fetch_all(db: Any, sql: str, params: dict[str, Any]) -> list[dict[str, Any]]:
@@ -507,6 +517,7 @@ async def fetch_truth_chain(source_id: str, project_id: str = "awoooi") -> dict[
                 trace_id,
                 agent_id,
                 tool_name,
+                gate_result,
                 result_status,
                 block_gate,
                 block_reason,