F3 polish: active-editor status bar + E2E for command wrapper and toggle (PUC-5) (#6)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/attributionController.ts

@@ -326,8 +326,10 @@ export class AttributionController implements vscode.Disposable {
         editor.setDecorations(this.humanType, humanRanges);
       }
     }
+    if (document === vscode.window.activeTextEditor?.document) {
       this.renderStatus(s);
     }
+  }
 
   private renderStatus(s: DocAttribution | undefined): void {
     const n = s?.orphans.length ?? 0;

test/e2e/suite/attribution.test.ts

@@ -131,4 +131,32 @@ suite("F3 live attribution (host E2E — seam-driven, no LLM)", () => {
     assert.ok(!spans.some((s) => s.authorKind === "agent"), "mangled agent span not rendered");
     assert.ok(api.attributionController.getOrphanCount(DOC_REL) >= 1, "…it is orphaned instead (INV-1)");
   });
+
+  test("the applyAgentEdit command wrapper and the toggle command work end-to-end", async () => {
+    const doc = await openDoc();
+    const api = await getApi();
+    const anchor = "stable first paragraph";
+    const start = doc.getText().indexOf(anchor);
+    const ok = await vscode.commands.executeCommand<boolean>("cowriting.applyAgentEdit", {
+      uri: doc.uri.toString(),
+      start,
+      end: start + anchor.length,
+      newText: "stable COMMAND-EDITED paragraph",
+      model: "sonnet",
+      sessionId: "e2e-cmd",
+      turnId: "turn-e2e-cmd",
+    });
+    assert.strictEqual(ok, true, "command wrapper applies via the seam");
+    await settle();
+    const spans = api.attributionController.getSpans(DOC_REL);
+    const agent = spans.find((s) => s.turnId === "turn-e2e-cmd");
+    assert.ok(agent, "command-driven agent span exists");
+    assert.strictEqual(agent!.authorKind, "agent");
+
+    assert.strictEqual(api.attributionController.isVisible(), true);
+    await vscode.commands.executeCommand("cowriting.toggleAttribution");
+    assert.strictEqual(api.attributionController.isVisible(), false, "toggle hides (PUC-5)");
+    await vscode.commands.executeCommand("cowriting.toggleAttribution");
+    assert.strictEqual(api.attributionController.isVisible(), true, "toggle restores");
+  });
 });