44432413c2
Implements the complete AI flow builder feature using a guided 4-stage wizard (Foundation → Scaffold → Branch Detail → Review & Assemble). AI assists at bounded points using Claude Haiku for cost-efficient structured JSON generation (~$0.01-0.03/flow). Backend: new models (ai_conversations, ai_usage), Alembic migration, quota enforcement with billing anchor, Anthropic API integration with prompt caching, tree validation, conversation CRUD with 24h TTL, APScheduler cleanup job, 5 API endpoints, Pydantic schemas. Frontend: TypeScript types, API client, Zustand store for wizard state, 7 components (modal, step indicator, foundation form, branch selector, branch detail view, tree preview, quota display), MyTreesPage integration with "Build with AI" button (hidden when AI not configured). Tests: 14 validator unit tests + 11 endpoint integration tests with mocked Anthropic (zero real API spend). All 25 tests passing. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
"""AI Flow Builder conversation tracking.
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Stores wizard session state across the 4-stage flow builder process.
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Conversations expire after 24 hours and are cleaned up by the scheduler.
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"""
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import uuid
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from datetime import datetime, timezone
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from typing import Optional, Any
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from sqlalchemy import String, DateTime, ForeignKey, Integer, Text
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from sqlalchemy.orm import Mapped, mapped_column
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from sqlalchemy.dialects.postgresql import UUID, JSONB
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from app.core.database import Base
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class AIConversation(Base):
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__tablename__ = "ai_conversations"
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id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
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)
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user_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True),
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ForeignKey("users.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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)
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account_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True),
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ForeignKey("accounts.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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)
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status: Mapped[str] = mapped_column(
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String(20),
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nullable=False,
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default="foundation",
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comment="foundation | scaffolding | detailing | reviewing | completed | expired",
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)
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# Conversation history across all wizard stages
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messages: Mapped[list[dict[str, Any]]] = mapped_column(
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JSONB, nullable=False, default=list
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)
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# Wizard state: Stage 1 metadata, Stage 2 branches, Stage 3 detail
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wizard_state: Mapped[dict[str, Any]] = mapped_column(
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JSONB, nullable=False, default=dict
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)
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# Assembled tree from Stage 4 (null until assembly)
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generated_tree: Mapped[Optional[dict[str, Any]]] = mapped_column(
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JSONB, nullable=True
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)
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# Tracks AI call count for per-flow limits
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question_rounds: Mapped[int] = mapped_column(
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Integer, nullable=False, default=0
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)
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expires_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), nullable=False
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)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
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)
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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default=lambda: datetime.now(timezone.utc),
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onupdate=lambda: datetime.now(timezone.utc),
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)
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