feat: render revision-bound evidence configuration

backend/src/tht/tht-runner.ts

@@ -148,6 +148,7 @@ export class ThtRunner {
     workspace: ReturnType<typeof parseWorkspaceYaml>;
     workspaceId: string;
     workspaceRevision: string;
+    revisionContentRoot: string;
   } {
     const identity = this.assertWorkspaceSnapshot(path);
     const fd = openSync(path, fsConstants.O_RDONLY | fsConstants.O_NOFOLLOW);
@@ -163,7 +164,7 @@ export class ThtRunner {
       if (workspace.workspace.id !== identity.workspaceId) {
         throw new Error("workspace snapshot identity does not match its path");
       }
-      return { workspace, ...identity };
+      return { workspace, ...identity, revisionContentRoot: dirname(path) };
     } finally {
       closeSync(fd);
     }