Spaces:
Sleeping
Sleeping
File size: 2,384 Bytes
c27eaf1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | """Pydantic models for request/response and internal session state."""
from __future__ import annotations
from enum import Enum
from typing import Optional
from pydantic import BaseModel, Field
# ---------------------------------------------------------------------------
# Consultation phases
# ---------------------------------------------------------------------------
class Phase(str, Enum):
DISCOVERY = "discovery"
EXPLORATION = "exploration"
CONSTRAINTS = "constraints"
SOLUTION = "solution"
REFINEMENT = "refinement"
PHASE_ORDER: list[Phase] = [
Phase.DISCOVERY,
Phase.EXPLORATION,
Phase.CONSTRAINTS,
Phase.SOLUTION,
Phase.REFINEMENT,
]
# Confidence thresholds that trigger phase transitions
PHASE_THRESHOLDS: dict[Phase, tuple[float, float]] = {
Phase.DISCOVERY: (0.0, 0.20),
Phase.EXPLORATION: (0.20, 0.40),
Phase.CONSTRAINTS: (0.40, 0.60),
Phase.SOLUTION: (0.60, 0.80),
Phase.REFINEMENT: (0.80, 1.00),
}
# ---------------------------------------------------------------------------
# API models
# ---------------------------------------------------------------------------
class ChatRequest(BaseModel):
session_id: str = Field(..., description="Unique session identifier")
message: str = Field(..., min_length=1, description="User message")
class ChatResponse(BaseModel):
reply: str
phase: Phase
confidence: float = Field(ge=0.0, le=1.0)
understanding: str = Field(default="", description="Extracted understanding so far")
class SessionInfo(BaseModel):
session_id: str
phase: Phase
confidence: float
message_count: int
created_at: str
updated_at: str
class NewSessionResponse(BaseModel):
session_id: str
# ---------------------------------------------------------------------------
# Internal state (persisted in SQLite as JSON)
# ---------------------------------------------------------------------------
class Message(BaseModel):
role: str # "user" | "assistant"
content: str
class SessionState(BaseModel):
session_id: str = ""
messages: list[Message] = Field(default_factory=list)
understanding: str = ""
confidence: float = 0.0
phase: Phase = Phase.DISCOVERY
topic_start_turn: int = 0 # Turn when current topic started (for phase forcing)
created_at: str = ""
updated_at: str = ""
|