Initial commit: Opus Orchestrator AI - Full-flow book generation

- LangGraph workflow orchestration
- CrewAI agent crews (Fiction Fortress & Nonfiction Fortress)
- PydanticAI schema validation
- Fiction agents: Architect, Worldsmith, Character Lead, Voice, Editor
- Nonfiction agents: Researcher, Analyst, Writer, Fact-Checker, Editor
- Complete schema definitions for books, chapters, critiques
- Configuration management
- Basic test suite

tests/__init__.py

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+"""Tests package."""

tests/test_orchestrator.py

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+"""Tests for Opus Orchestrator."""
+
+import pytest
+from opus_orchestrator import OpusOrchestrator, BookType, BookIntent
+from opus_orchestrator.schemas import RawContent, Chapter, Manuscript
+
+
+@pytest.fixture
+def basic_intent():
+    return BookIntent(
+        book_type=BookType.FICTION,
+        genre="science-fiction",
+        target_audience="adult sci-fi readers",
+        intended_outcome="complete novel ~80k words",
+        tone="epic",
+        target_word_count=80000,
+    )
+
+
+@pytest.fixture
+def basic_content():
+    return RawContent(
+        content_type="outline",
+        text="A space explorer discovers a new civilization...",
+    )
+
+
+class TestOpusOrchestrator:
+    """Test suite for OpusOrchestrator."""
+
+    def test_init_fiction(self, basic_intent):
+        """Test initialization with fiction."""
+        orch = OpusOrchestrator(
+            book_type="fiction",
+            genre="science-fiction",
+            target_audience="adult sci-fi readers",
+            intended_outcome="complete novel",
+        )
+
+        assert orch.book_type == BookType.FICTION
+        assert "architect" in orch.agents
+        assert "voice" in orch.agents
+
+    def test_init_nonfiction(self):
+        """Test initialization with nonfiction."""
+        orch = OpusOrchestrator(
+            book_type="nonfiction",
+            genre="business",
+            target_audience="professionals",
+            intended_outcome="complete business book",
+        )
+
+        assert orch.book_type == BookType.NONFICTION
+        assert "researcher" in orch.agents
+        assert "analyst" in orch.agents
+
+    @pytest.mark.asyncio
+    async def test_ingest(self, basic_content):
+        """Test content ingestion."""
+        orch = OpusOrchestrator(
+            book_type="fiction",
+            genre="fantasy",
+            target_audience="general",
+            intended_outcome="novel",
+        )
+
+        state = await orch.ingest(basic_content)
+
+        assert state.raw_content == basic_content
+        assert state.current_stage == "ingestion"
+
+    @pytest.mark.asyncio
+    async def test_generate_blueprint(self, basic_content):
+        """Test blueprint generation."""
+        orch = OpusOrchestrator(
+            book_type="fiction",
+            genre="mystery",
+            target_audience="general",
+            intended_outcome="novel",
+        )
+
+        await orch.ingest(basic_content)
+        blueprint = await orch.generate_blueprint()
+
+        assert blueprint.title == "Untitled"
+        assert blueprint.target_word_count == 80000
+
+
+class TestSchemas:
+    """Test schema validation."""
+
+    def test_book_intent_fiction(self):
+        """Test BookIntent for fiction."""
+        intent = BookIntent(
+            book_type=BookType.FICTION,
+            genre="thriller",
+            target_audience="adult thriller readers",
+            intended_outcome="complete thriller novel",
+            target_word_count=90000,
+        )
+
+        assert intent.book_type == BookType.FICTION
+        assert intent.target_word_count == 90000
+
+    def test_manuscript_to_markdown(self):
+        """Test manuscript markdown conversion."""
+        manuscript = Manuscript(
+            title="Test Book",
+            subtitle="A Test",
+            book_type=BookType.FICTION,
+            genre="fantasy",
+            chapters=[
+                Chapter(chapter_number=1, title="The Beginning", content="Content 1", word_count=1000),
+                Chapter(chapter_number=2, title="The Middle", content="Content 2", word_count=1500),
+            ],
+            total_word_count=2500,
+            frontmatter={"include_toc": True, "dedication": "To test"},
+        )
+
+        md = manuscript.to_markdown()
+
+        assert "# Test Book" in md
+        assert "## A Test" in md
+        assert "## Table of Contents" in md
+        assert "Chapter 1: The Beginning" in md
+        assert "Chapter 2: The Middle" in md
+        assert "*To test*" in md