feat(phase-0,phase-2): bootstrap DB schemas + Metabase/NocoDB compose + work_types seed

sql/migrations/006_core_deal.sql

@@ -0,0 +1,33 @@
+-- 006_core_deal.sql — core.deal + core.deal_team_member (Битрикс CAT=16)
+
+CREATE TABLE core.deal (
+    id bigserial PRIMARY KEY,
+    bitrix_id bigint UNIQUE NOT NULL,
+    title text,
+    category_id int,
+    stage_id text,
+    stage_semantic_id char(1),
+    opportunity decimal(15,2),
+    begindate date,
+    closedate date,
+    assigned_to_id bigint REFERENCES core.employee,
+    bitrix_company_id bigint,
+    bitrix_company_name text,
+    project_manager_id bigint REFERENCES core.employee,
+    is_in_forecast boolean DEFAULT false,
+    last_synced timestamptz
+);
+
+CREATE INDEX idx_deal_stage ON core.deal (stage_id);
+CREATE INDEX idx_deal_forecast ON core.deal (is_in_forecast) WHERE is_in_forecast = true;
+CREATE INDEX idx_deal_category ON core.deal (category_id);
+
+CREATE TABLE core.deal_team_member (
+    deal_id bigint REFERENCES core.deal ON DELETE CASCADE,
+    employee_id bigint REFERENCES core.employee,
+    weight decimal(5,2) NOT NULL DEFAULT 1.0,
+    is_manual_override boolean DEFAULT false,
+    PRIMARY KEY (deal_id, employee_id)
+);
+
+CREATE INDEX idx_deal_team_employee ON core.deal_team_member (employee_id);