feat(cli): add 'bunx oh-my-opencode run' command for persistent agent sessions (#228)

- Add new 'run' command using @opencode-ai/sdk to manage agent sessions
- Implement recursive descendant session checking (waits for ALL nested child sessions)
- Add completion conditions: all todos done + all descendant sessions idle
- Add SSE event processing for session state tracking
- Fix todo-continuation-enforcer to clean up session tracking
- Comprehensive test coverage with memory-safe test patterns

Unlike 'opencode run', this command ensures the agent completes all tasks
by recursively waiting for nested background agent sessions before exiting.

🤖 Generated with assistance of OhMyOpenCode (https://github.com/code-yeongyu/oh-my-opencode)

src/cli/run/events.test.ts

@@ -0,0 +1,92 @@
+import { describe, it, expect } from "bun:test"
+import { createEventState, type EventState } from "./events"
+import type { RunContext, EventPayload } from "./types"
+
+const createMockContext = (sessionID: string = "test-session"): RunContext => ({
+  client: {} as RunContext["client"],
+  sessionID,
+  directory: "/test",
+  abortController: new AbortController(),
+})
+
+async function* toAsyncIterable<T>(items: T[]): AsyncIterable<T> {
+  for (const item of items) {
+    yield item
+  }
+}
+
+describe("createEventState", () => {
+  it("creates initial state with mainSessionIdle false and empty lastOutput", () => {
+    // #given / #when
+    const state = createEventState()
+
+    // #then
+    expect(state.mainSessionIdle).toBe(false)
+    expect(state.lastOutput).toBe("")
+  })
+})
+
+describe("event handling", () => {
+  it("session.idle sets mainSessionIdle to true for matching session", async () => {
+    // #given
+    const ctx = createMockContext("my-session")
+    const state = createEventState()
+
+    const payload: EventPayload = {
+      type: "session.idle",
+      properties: { sessionID: "my-session" },
+    }
+
+    const events = toAsyncIterable([{ payload }])
+    const { processEvents } = await import("./events")
+
+    // #when
+    await processEvents(ctx, events, state)
+
+    // #then
+    expect(state.mainSessionIdle).toBe(true)
+  })
+
+  it("session.idle does not affect state for different session", async () => {
+    // #given
+    const ctx = createMockContext("my-session")
+    const state = createEventState()
+
+    const payload: EventPayload = {
+      type: "session.idle",
+      properties: { sessionID: "other-session" },
+    }
+
+    const events = toAsyncIterable([{ payload }])
+    const { processEvents } = await import("./events")
+
+    // #when
+    await processEvents(ctx, events, state)
+
+    // #then
+    expect(state.mainSessionIdle).toBe(false)
+  })
+
+  it("session.status with busy type sets mainSessionIdle to false", async () => {
+    // #given
+    const ctx = createMockContext("my-session")
+    const state: EventState = {
+      mainSessionIdle: true,
+      lastOutput: "",
+    }
+
+    const payload: EventPayload = {
+      type: "session.status",
+      properties: { sessionID: "my-session", status: { type: "busy" } },
+    }
+
+    const events = toAsyncIterable([{ payload }])
+    const { processEvents } = await import("./events")
+
+    // #when
+    await processEvents(ctx, events, state)
+
+    // #then
+    expect(state.mainSessionIdle).toBe(false)
+  })
+})