chore: convert submodules to standard directories for true monorepo structure

vibn-agent-runner/src/tools/agent-api.ts

@@ -0,0 +1,46 @@
+// =============================================================================
+// Pure sub-agent orchestration API. Wraps the vibn-agent-runner HTTP endpoints
+// so the same logic is usable from the in-process tool and from an MCP server.
+// =============================================================================
+
+export interface AgentRunnerConfig {
+    runnerUrl: string;
+}
+
+export interface SpawnAgentInput {
+    agent: string; // "Coder" | "PM" | "Marketing"
+    task: string;
+    repo: string;  // "owner/name"
+}
+
+export async function spawnAgent(cfg: AgentRunnerConfig, input: SpawnAgentInput): Promise<unknown> {
+    try {
+        const res = await fetch(`${cfg.runnerUrl}/api/agent/run`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json', 'X-Internal': 'true' },
+            body: JSON.stringify({ agent: input.agent, task: input.task, repo: input.repo }),
+        });
+        const data = (await res.json()) as any;
+        return { jobId: data.jobId, agent: input.agent, status: 'dispatched' };
+    } catch (err) {
+        return { error: `Failed to spawn agent: ${err instanceof Error ? err.message : String(err)}` };
+    }
+}
+
+export async function getJobStatus(cfg: AgentRunnerConfig, jobId: string): Promise<unknown> {
+    try {
+        const res = await fetch(`${cfg.runnerUrl}/api/jobs/${jobId}`);
+        const job = (await res.json()) as any;
+        return {
+            id: job.id,
+            agent: job.agent,
+            status: job.status,
+            progress: job.progress,
+            toolCalls: job.toolCalls?.length,
+            result: job.result,
+            error: job.error,
+        };
+    } catch (err) {
+        return { error: `Failed to get job: ${err instanceof Error ? err.message : String(err)}` };
+    }
+}