Add provider policy usage controls

AgentCompany-New/src/main/database/migrations/014-provider-policy-usage.ts

@@ -0,0 +1,31 @@
+export const providerPolicyUsageSchema = `
+  alter table providers add column data_policy text not null default 'standard';
+  alter table providers add column background_enabled integer not null default 0;
+  alter table providers add column monthly_request_limit integer not null default 1000;
+  alter table providers add column workspace_scope text not null default 'organization';
+
+  alter table provider_requests add column input_char_count integer not null default 0;
+  alter table provider_requests add column output_char_count integer not null default 0;
+  alter table provider_requests add column execution_mode text not null default 'foreground';
+  alter table provider_requests add column policy_decision text not null default 'allowed:standard';
+
+  create table if not exists provider_usage_windows (
+    id text primary key,
+    org_id text not null references organizations(id) on delete cascade,
+    provider_id text not null references providers(id) on delete cascade,
+    window_start text not null,
+    window_end text not null,
+    request_count integer not null,
+    input_char_count integer not null,
+    output_char_count integer not null,
+    created_at text not null,
+    updated_at text not null,
+    unique(provider_id, window_start)
+  );
+
+  create index if not exists idx_provider_usage_windows_org_start
+    on provider_usage_windows(org_id, window_start);
+
+  insert into schema_migrations(version, name, applied_at)
+  values (14, 'provider_policy_usage', datetime('now'));
+`;