新增LLM追踪索引存储

src/lib/llm/trace-repository.ts

@@ -0,0 +1,24 @@
+import { getDefaultDatabasePath } from "../db/connection";
+import { getAppCloudflareEnv } from "../runtime/cloudflare";
+import { createD1TraceRepository } from "./d1-trace-repository";
+import { createSqliteTraceRepository } from "./sqlite-trace-repository";
+import type { LlmTraceCall, LlmTraceRun } from "./trace-types";
+
+export interface LlmTraceRepository {
+  putRun(run: LlmTraceRun): Promise<void>;
+  putCall(call: LlmTraceCall): Promise<void>;
+  getRun(jobId: string): Promise<LlmTraceRun | null>;
+  getLatestRun(): Promise<LlmTraceRun | null>;
+  listCalls(jobId: string): Promise<LlmTraceCall[]>;
+  listTerminalRunsExcept(jobId: string): Promise<LlmTraceRun[]>;
+  deleteRun(jobId: string): Promise<void>;
+}
+
+export function getLlmTraceRepositoryFromRuntime(): LlmTraceRepository {
+  if (process.env.APP_RUNTIME === "cloudflare") {
+    const env = getAppCloudflareEnv();
+    if (!env?.DB) throw new Error("Cloudflare D1 binding DB is required");
+    return createD1TraceRepository(env.DB);
+  }
+  return createSqliteTraceRepository(getDefaultDatabasePath());
+}