Add agent runtime DB schemas and expand shared types

New schemas: agent_runtime_state, agent_wakeup_requests,
heartbeat_run_events. New migrations for runtime tables. Expand
heartbeat types with run events, wakeup reasons, and adapter state.
Add live event types. Update agent schema and shared constants.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/db/src/schema/heartbeat_run_events.ts

@@ -0,0 +1,28 @@
+import { pgTable, uuid, text, timestamp, integer, jsonb, index, bigserial } from "drizzle-orm/pg-core";
+import { companies } from "./companies.js";
+import { agents } from "./agents.js";
+import { heartbeatRuns } from "./heartbeat_runs.js";
+
+export const heartbeatRunEvents = pgTable(
+  "heartbeat_run_events",
+  {
+    id: bigserial("id", { mode: "number" }).primaryKey(),
+    companyId: uuid("company_id").notNull().references(() => companies.id),
+    runId: uuid("run_id").notNull().references(() => heartbeatRuns.id),
+    agentId: uuid("agent_id").notNull().references(() => agents.id),
+    seq: integer("seq").notNull(),
+    eventType: text("event_type").notNull(),
+    stream: text("stream"),
+    level: text("level"),
+    color: text("color"),
+    message: text("message"),
+    payload: jsonb("payload").$type<Record<string, unknown>>(),
+    createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
+  },
+  (table) => ({
+    runSeqIdx: index("heartbeat_run_events_run_seq_idx").on(table.runId, table.seq),
+    companyRunIdx: index("heartbeat_run_events_company_run_idx").on(table.companyId, table.runId),
+    companyCreatedIdx: index("heartbeat_run_events_company_created_idx").on(table.companyId, table.createdAt),
+  }),
+);
+