packages/adapters/gemini-local/src/server/parse.test.ts

@@ -0,0 +1,46 @@
+import { describe, expect, it } from "vitest";
+import { parseGeminiJsonl } from "./parse.js";
+
+describe("parseGeminiJsonl", () => {
+  it("collects assistant text from message events with string content", () => {
+    const stdout = [
+      '{"type":"init","session_id":"session-1"}',
+      '{"type":"message","role":"user","content":"Respond with hello."}',
+      '{"type":"message","role":"assistant","content":"hello","delta":true}',
+      '{"type":"result","status":"success"}',
+    ].join("\n");
+
+    const parsed = parseGeminiJsonl(stdout);
+
+    expect(parsed.sessionId).toBe("session-1");
+    expect(parsed.summary).toBe("hello");
+    expect(parsed.errorMessage).toBeNull();
+  });
+
+  it("collects assistant text from message events with structured object content", () => {
+    const stdout = [
+      '{"type":"init","session_id":"session-2"}',
+      '{"type":"message","role":"assistant","content":{"content":[{"type":"text","text":"first part"},{"type":"text","text":"second part"}]}}',
+      '{"type":"result","status":"success"}',
+    ].join("\n");
+
+    const parsed = parseGeminiJsonl(stdout);
+
+    expect(parsed.sessionId).toBe("session-2");
+    expect(parsed.summary).toBe("first part\n\nsecond part");
+    expect(parsed.errorMessage).toBeNull();
+  });
+
+  it("ignores non-assistant message events", () => {
+    const stdout = [
+      '{"type":"message","role":"user","content":"hidden user input"}',
+      '{"type":"message","role":"system","content":"hidden system note"}',
+      '{"type":"message","role":"assistant","content":"visible response"}',
+      '{"type":"result","status":"success"}',
+    ].join("\n");
+
+    const parsed = parseGeminiJsonl(stdout);
+
+    expect(parsed.summary).toBe("visible response");
+  });
+});

packages/adapters/gemini-local/src/server/parse.ts

@@ -121,6 +121,19 @@ export function parseGeminiJsonl(stdout: string) {
       continue;
     }
 
+    if (type === "message") {
+      const role = asString(event.role, "").trim().toLowerCase();
+      if (role === "assistant") {
+        // Mirror the assistant-event handling above: collect every assistant
+        // message including deltas. Gemini CLI emits these as discrete final
+        // messages (one per assistant turn), not as cumulative streaming
+        // tokens, so collecting all of them produces the expected concatenated
+        // turn-by-turn summary rather than duplicated text.
+        messages.push(...collectMessageText(event.content));
+      }
+      continue;
+    }
+
     if (type === "result") {
       resultEvent = event;
       accumulateUsage(usage, event.usage ?? event.usageMetadata);