refactor(evidence): extract TypeScript lifecycle (#32)

backend/test/workspaces/evidence/boundary.test.ts

@@ -0,0 +1,34 @@
+import { readdirSync, readFileSync } from "node:fs";
+import { basename, join } from "node:path";
+import { fileURLToPath } from "node:url";
+import ts from "typescript";
+import { expect, test } from "vitest";
+
+const evidenceRoot = fileURLToPath(new URL("../../../src/workspaces/evidence/", import.meta.url));
+const coreInfrastructure = new Set([
+  "preprocessing-service",
+  "qdrant-collection",
+  "registry",
+]);
+
+test("Evidence modules do not import core-owned registry or Qdrant lifecycle", () => {
+  const violations: Array<{ file: string; dependency: string }> = [];
+  for (const file of readdirSync(evidenceRoot).filter((name) => name.endsWith(".ts"))) {
+    const source = ts.createSourceFile(
+      file,
+      readFileSync(join(evidenceRoot, file), "utf8"),
+      ts.ScriptTarget.Latest,
+      true,
+      ts.ScriptKind.TS,
+    );
+    for (const statement of source.statements) {
+      if (!ts.isImportDeclaration(statement) || !ts.isStringLiteral(statement.moduleSpecifier)) {
+        continue;
+      }
+      const dependency = basename(statement.moduleSpecifier.text).replace(/\.js$/, "");
+      if (coreInfrastructure.has(dependency)) violations.push({ file, dependency });
+    }
+  }
+
+  expect(violations).toEqual([]);
+});