feat: integrate Pi backend and Pi Web

pi-web/lib/compaction-summary.test.mjs

@@ -0,0 +1,44 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { parseCompactionSummary } from "./compaction-summary.ts";
+
+test("separates pi file metadata tags from the visible compaction summary", () => {
+  const parsed = parseCompactionSummary(`## Goal
+Keep the important user intent.
+
+<read-files>
+/tmp/a.ts
+/tmp/b.ts
+</read-files>
+
+<modified-files>
+/tmp/changed.ts
+</modified-files>`);
+
+  assert.equal(parsed.body, "## Goal\nKeep the important user intent.");
+  assert.deepEqual(parsed.readFiles, ["/tmp/a.ts", "/tmp/b.ts"]);
+  assert.deepEqual(parsed.modifiedFiles, ["/tmp/changed.ts"]);
+});
+
+test("leaves normal summaries unchanged", () => {
+  const summary = "## Goal\nNo file metadata here.";
+
+  assert.deepEqual(parseCompactionSummary(summary), {
+    body: summary,
+    readFiles: [],
+    modifiedFiles: [],
+  });
+});
+
+test("keeps file-like tags that are part of the summary body", () => {
+  const summary = `## Critical Context
+The user asked what this compact metadata means: <read-files>example</read-files>.
+
+More summary text after the mention.`;
+
+  assert.deepEqual(parseCompactionSummary(summary), {
+    body: summary,
+    readFiles: [],
+    modifiedFiles: [],
+  });
+});