Add support bundle and trace tooling

tests/trace-log.test.ts

@@ -0,0 +1,53 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import { configureLogger, logger } from "../src/main/logger";
+import { getSessionLogPath, initSessionLog, shutdownSessionLog } from "../src/main/session-log";
+import { getTraceConfig, getTraceConfigPath, getTraceLogPath, initTraceLog, logTraceEvent, setTraceEnabled, shutdownTraceLog } from "../src/main/trace-log";
+
+const tempDirs: string[] = [];
+
+afterEach(() => {
+  shutdownSessionLog();
+  shutdownTraceLog();
+  for (const dir of tempDirs.splice(0)) {
+    fs.rmSync(dir, { recursive: true, force: true });
+  }
+});
+
+describe("trace-log", () => {
+  it("captures main log lines and explicit trace events when enabled", async () => {
+    const baseDir = fs.mkdtempSync(path.join(os.tmpdir(), "rd-tlog-"));
+    tempDirs.push(baseDir);
+
+    configureLogger(baseDir);
+    initTraceLog(baseDir);
+    initSessionLog(baseDir);
+    setTraceEnabled(true, "test");
+
+    logger.info("TRACE-MAIN-CAPTURE");
+    logTraceEvent("INFO", "audit", "TRACE-AUDIT-CAPTURE", { source: "test" });
+
+    await new Promise((resolve) => setTimeout(resolve, 350));
+
+    const traceLogPath = getTraceLogPath();
+    const sessionLogPath = getSessionLogPath();
+    const traceConfigPath = getTraceConfigPath();
+    expect(traceLogPath).not.toBeNull();
+    expect(sessionLogPath).not.toBeNull();
+    expect(traceConfigPath).not.toBeNull();
+
+    const traceContent = fs.readFileSync(traceLogPath!, "utf8");
+    expect(traceContent).toContain("Trace-Log Start");
+    expect(traceContent).toContain("TRACE-MAIN-CAPTURE");
+    expect(traceContent).toContain("TRACE-AUDIT-CAPTURE");
+
+    const sessionContent = fs.readFileSync(sessionLogPath!, "utf8");
+    expect(sessionContent).toContain("TRACE-MAIN-CAPTURE");
+
+    const traceConfig = getTraceConfig();
+    expect(traceConfig.enabled).toBe(true);
+    expect(JSON.parse(fs.readFileSync(traceConfigPath!, "utf8")).enabled).toBe(true);
+  });
+});