feat(backend): ThtRunner session mutation + documents methods

backend/src/tht/tht-runner.ts

@@ -18,6 +18,14 @@ export interface SessionRow {
   author: string | null;
 }
 
+export interface SessionDocument {
+  phase: string;
+  key: string;
+  title: string;
+  format: string;
+  content: string;
+}
+
 export class ThtRunner {
   constructor(private cfg: ThtConfig) {}
 
@@ -61,6 +69,11 @@ export class ThtRunner {
     return JSON.parse(stdout) as T;
   }
 
+  private async ok(args: string[]): Promise<void> {
+    const { code, stderr } = await this.run(args);
+    if (code !== 0) throw new Error(`tht ${args.join(" ")} exit ${code}: ${stderr.trim()}`);
+  }
+
   async sessionNew(o: {
     question: string;
     provider?: string;
@@ -109,4 +122,11 @@ export class ThtRunner {
     if (code !== 0) throw new Error(`tht sql export exit ${code}: ${stderr.trim()}`);
     return { path: stdout.trim() };
   }
+
+  setName(id: string, name: string) { return this.ok(["session", "set-name", id, "--name", name]); }
+  setGroup(id: string, group: string) { return this.ok(["session", "set-group", id, "--group", group]); }
+  archive(id: string) { return this.ok(["session", "archive", id]); }
+  unarchive(id: string) { return this.ok(["session", "unarchive", id]); }
+  deleteSession(id: string) { return this.ok(["session", "delete", id]); }
+  documents(id: string) { return this.json<SessionDocument[]>(["session", "documents", id, "--json"]); }
 }