功能：补充固定场景助手与GPU健康诊断能力

platform/internal/store/schema.sql

@@ -73,6 +73,15 @@ CREATE TABLE IF NOT EXISTS task_diagnostics (
  task_id text PRIMARY KEY REFERENCES tasks(id) ON DELETE CASCADE,
  content jsonb NOT NULL, created_at timestamptz NOT NULL DEFAULT now()
 );
+CREATE TABLE IF NOT EXISTS terminal_log_archives (
+ id text PRIMARY KEY, task_id text NOT NULL UNIQUE REFERENCES tasks(id) ON DELETE CASCADE,
+ terminal_id text NOT NULL REFERENCES terminals(id) ON DELETE CASCADE,
+ captured_at timestamptz NOT NULL DEFAULT now(), boot_id text NOT NULL DEFAULT '',
+ agent_version text NOT NULL DEFAULT '', kiosk_state text NOT NULL DEFAULT '', log_text text NOT NULL DEFAULT '',
+ metadata jsonb NOT NULL DEFAULT '{}'::jsonb
+);
+CREATE INDEX IF NOT EXISTS terminal_log_archives_terminal_time ON terminal_log_archives(terminal_id,captured_at DESC,id);
+CREATE INDEX IF NOT EXISTS terminal_log_archives_time ON terminal_log_archives(captured_at DESC);
 CREATE TABLE IF NOT EXISTS image_templates (
  id text PRIMARY KEY, name text NOT NULL, version text NOT NULL, os text NOT NULL CHECK(os IN ('Windows','Ubuntu','麒麟')),
  node text NOT NULL, vmid integer NOT NULL CHECK(vmid>=100), digest text NOT NULL,