fix(migrations): set tenant context for mcp seed

apps/api/migrations/awooop_awoooi_mcp_read_gateway_seed_v3_2026-05-13.sql

@@ -2,6 +2,8 @@
 -- 目的：讓決策前感官 MCP 能通過 AwoooP Gateway Gate 2/3，產生 first-class audit。
 -- 邊界：只授權 read scope；不授權 restart/delete/scale/apply/rollback 等 write/admin 工具。
 
+SELECT set_config('app.project_id', 'awoooi', FALSE);
+
 WITH agent_seed(agent_id, display_name) AS (
     VALUES
         ('pre_decision_investigator', 'Pre-decision Investigator'),

apps/api/migrations/awooop_awoooi_mcp_read_gateway_seed_v3_2026-05-13_down.sql

@@ -1,6 +1,8 @@
 -- Rollback for T7 awoooi read-only MCP Gateway seed.
 -- Contract revisions are append-only; rollback revokes grants and deactivates the seeded read tools.
 
+SELECT set_config('app.project_id', 'awoooi', FALSE);
+
 UPDATE awooop_mcp_grants
 SET
     is_revoked = TRUE,