test: add book two attribution fixture

CHANGELOG.md

@@ -33,6 +33,8 @@ Follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) · versioned wi
   status/cancellation endpoints with queue state, timeout and failure handling; existing synchronous callers remain compatible.
 - **Optional Background Casting.** `/api/match-characters-voices` now accepts `background: true` and exposes bounded
   job status/cancellation endpoints while reusing the existing casting validation, retries, and idempotency behavior.
+- **Attribution Fixture Coverage.** Added a neutral multi-speaker Book 2-style fixture regression to verify parser
+  normalization across named speakers and narration without requiring a live provider.
 - **STT Cancellation Safety.** Queued transcription cancels before consuming the single STT slot, and timed-out
   requests keep the device slot held until the underlying worker actually exits.
 - **Credential Boundary Review.** Provider credentials are now documented as server-only; only the explicitly

TODO.md

@@ -65,8 +65,9 @@ the first block before investing in architecture or polish.
 - [ ] **L — Add background jobs and bounded queues.** Image generation already has the full interactive job path,
   and transcription, voice design, and casting now have optional ID/status/cancel/timeout paths while preserving
   synchronous callers. Durable persistence and retry policy still need to be added.
-- [ ] **L — Run the Book 2 generalization regression.** Confirm speaker-attribution and
+- [ ] **L — Run the Book 2 generalization regression.** Added a neutral multi-speaker fixture and parser regression;
-  confidence rules are not overfit to *Der Sturm*.
+  a real Book 2 auto-cast/attribution output still needs to be captured and reviewed to confirm rules are not overfit
+  to *Der Sturm*.
 - [x] **L — Add character forms inside one character record.** `sheet.forms[]` stores bounded alternate appearances,
   prompts, and per-form visual assets; the detail-page switcher preserves one character ID and voice, and selected
   forms feed prompt generation and identity fingerprints.

VERSION

@@ -1 +1 @@
-1.22.6
+1.22.7

tests/fixtures/book2_attribution.json

@@ -0,0 +1,5 @@
+{
+  "book": "book-2-neutral-fixture",
+  "known_characters": ["Captain Vale", "Mira", "The Ferryman"],
+  "raw": "{\"segments\":[{\"speaker\":\"Narrator\",\"type\":\"narration\",\"text\":\"At dawn the ferry reached the northern lock.\",\"emotion\":\"\"},{\"speaker\":\"Captain Vale\",\"type\":\"dialogue\",\"text\":\"Keep the lanterns covered.\",\"emotion\":\"cautious\"},{\"speaker\":\"The Ferryman\",\"type\":\"dialogue\",\"text\":\"Then we cross before the tide turns.\",\"emotion\":\"firm\"},{\"speaker\":\"Mira\",\"type\":\"dialogue\",\"text\":\"I can hear bells beyond the reeds.\",\"emotion\":\"alert\"}]}"
+}

tests/test_conversation.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import os
+import json
 import tempfile
 import unittest
 
@@ -51,6 +52,17 @@ class AttributionParserTests(unittest.TestCase):
         self.assertTrue(dialogue["text"].endswith("Land. Lieblich bisweilen, mild und voll der guten Menschen. ‹"))
         self.assertEqual(narration["text"], "Zitiert aus dem Buch.")
 
+    def test_book2_neutral_fixture_preserves_multiple_speakers(self):
+        fixture_path = os.path.join(os.path.dirname(__file__), "fixtures", "book2_attribution.json")
+        with open(fixture_path, encoding="utf-8") as handle:
+            fixture = json.load(handle)
+        result = _attribution_parse(fixture["raw"], " ".join(fixture["known_characters"]))
+        self.assertEqual(
+            [segment["speaker"] for segment in result["segments"]],
+            ["Narrator", "Captain Vale", "The Ferryman", "Mira"],
+        )
+        self.assertTrue(all(segment["type"] == "dialogue" for segment in result["segments"][1:]))
+
     def test_consistent_image_job_can_be_cancelled(self):
         from fastapi.testclient import TestClient
         from server import app