Spaces:
Sleeping
Sleeping
File size: 10,511 Bytes
08d20bc | 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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | """
PlotWeaver Voice Agent — Dialogue Manager
==========================================
FSM for multi-turn Hausa conversations across 3 verticals.
State lives in Gradio session state (dict) — no Redis needed in the Space.
"""
from __future__ import annotations
from dataclasses import dataclass, field, asdict
from enum import Enum
from typing import Optional
class Vertical(str, Enum):
BANK = "bank"
TELECOM = "telecom"
ECOMMERCE = "ecommerce"
@dataclass
class DialogueState:
session_id: str
vertical: str
current_state: str = "greeting"
slots: dict = field(default_factory=dict)
turn_count: int = 0
escalate_to_human: bool = False
history: list = field(default_factory=list)
def to_dict(self):
return asdict(self)
@classmethod
def from_dict(cls, d):
return cls(**d) if d else None
SCENARIOS = {
"bank": {
"name": "PlotWeaver Bank",
"states": {
"greeting": {
"ha": "Sannu! Wannan shine mataimakin banki na PlotWeaver. Yaya zan taimake ka yau? Za ka iya ce 'duba ma'auni', 'toshe kati', ko 'canjin kuɗi'.",
"en": "Hello! This is the PlotWeaver banking assistant. How can I help you today? You can say 'check balance', 'block card', or 'transfer money'.",
"expects": "intent",
"transitions": {"check_balance": "ask_account_number", "block_card": "confirm_block_card", "transfer_money": "ask_recipient"},
},
"ask_account_number": {
"ha": "Don Allah ka faɗi lambobin ƙarshe huɗu na asusunka.",
"en": "Please say the last four digits of your account number.",
"expects": "digits",
"transitions": {"provide_digits": "return_balance"},
},
"return_balance": {
"ha": "Ma'aunin asusunka shine Naira dubu ɗari biyu da arba'in da biyar. Akwai wani abu?",
"en": "Your account balance is two hundred forty-five thousand Naira. Anything else?",
"expects": "yesno",
"transitions": {"yes": "greeting", "no": "exit"},
},
"confirm_block_card": {
"ha": "Don tabbatar, kana son toshe katinka? Ka ce 'i' ko 'a'a'.",
"en": "To confirm, you want to block your card? Say 'yes' or 'no'.",
"expects": "yesno",
"transitions": {"yes": "card_blocked", "no": "greeting"},
},
"card_blocked": {
"ha": "An toshe katinka. Sabon kati zai iso a cikin kwanaki uku zuwa biyar. Ana juya ka ga wakili don tabbatar.",
"en": "Your card is blocked. A new card will arrive in 3-5 days. Transferring you to an agent for confirmation.",
"expects": None, "terminal": True, "escalate": True,
},
"ask_recipient": {
"ha": "Zuwa wa kake son turawa? Ka faɗi sunan mai karɓa.",
"en": "Who do you want to transfer to? Say the recipient's name.",
"expects": "name",
"transitions": {"provide_name": "ask_amount"},
},
"ask_amount": {
"ha": "Nawa kake son turawa, a Naira?",
"en": "How much do you want to transfer, in Naira?",
"expects": "amount",
"transitions": {"provide_amount": "confirm_transfer"},
},
"confirm_transfer": {
"ha": "Zan tura kuɗin yanzu. Ka ce 'i' don ci gaba.",
"en": "I'll send the money now. Say 'yes' to continue.",
"expects": "yesno",
"transitions": {"yes": "transfer_done", "no": "greeting"},
},
"transfer_done": {
"ha": "An tura kuɗin. Godiya da zabar PlotWeaver Bank.",
"en": "Money sent. Thank you for choosing PlotWeaver Bank.",
"expects": None, "terminal": True,
},
},
},
"telecom": {
"name": "PlotWeaver Telecom",
"states": {
"greeting": {
"ha": "Sannu! Wannan shine PlotWeaver Telecom. Kana son 'saya airtime', 'saya bundle', ko 'yin korafi'?",
"en": "Hello! This is PlotWeaver Telecom. Would you like to 'buy airtime', 'buy bundle', or 'file a complaint'?",
"expects": "intent",
"transitions": {"buy_airtime": "ask_airtime_amount", "buy_bundle": "ask_bundle_type", "complaint": "ask_complaint"},
},
"ask_airtime_amount": {
"ha": "Nawa na airtime kake son saya? Misali, Naira ɗari ko dubu.",
"en": "How much airtime? For example 100 or 1000 Naira.",
"expects": "amount",
"transitions": {"provide_amount": "airtime_done"},
},
"airtime_done": {
"ha": "An kara airtime. Ma'aunin ka sabo shine Naira dubu ɗaya da ɗari biyar.",
"en": "Airtime loaded. Your new balance is 1500 Naira.",
"expects": None, "terminal": True,
},
"ask_bundle_type": {
"ha": "Wane irin bundle? Muna da 'rana', 'mako', ko 'wata'.",
"en": "Which bundle type? 'day', 'week', or 'month'.",
"expects": "bundle",
"transitions": {"provide_bundle": "bundle_done"},
},
"bundle_done": {
"ha": "An kunna bundle ɗinka. Za ka iya yin amfani da shi yanzu.",
"en": "Your bundle is active. You can use it now.",
"expects": None, "terminal": True,
},
"ask_complaint": {
"ha": "Me ya faru? Ka bayyana matsalar da kake fuskanta.",
"en": "What happened? Please describe the issue.",
"expects": "text",
"transitions": {"provide_text": "escalate"},
},
"escalate": {
"ha": "Nagode. Zan juya ka ga wakili na mutum yanzu.",
"en": "Thank you. I'll transfer you to a human agent now.",
"expects": None, "terminal": True, "escalate": True,
},
},
},
"ecommerce": {
"name": "PlotWeaver Delivery",
"states": {
"greeting": {
"ha": "Sannu! Wannan shine PlotWeaver Delivery. Kana son 'bincika oda', 'sake tsara lokaci', ko 'mayar da kaya'?",
"en": "Hello! This is PlotWeaver Delivery. Would you like to 'check order', 'reschedule', or 'return'?",
"expects": "intent",
"transitions": {"check_order": "ask_order_id", "reschedule": "ask_order_id_reschedule", "return_item": "ask_order_id_return"},
},
"ask_order_id": {
"ha": "Ka faɗi lambar oda naka.",
"en": "Say your order number.",
"expects": "digits",
"transitions": {"provide_digits": "order_status"},
},
"order_status": {
"ha": "Oda ɗinka yana kan hanya. Za a isar gobe da yamma.",
"en": "Your order is on the way. It will be delivered tomorrow evening.",
"expects": None, "terminal": True,
},
"ask_order_id_reschedule": {
"ha": "Ka faɗi lambar oda da kake son sake tsarawa.",
"en": "Say the order number you want to reschedule.",
"expects": "digits",
"transitions": {"provide_digits": "ask_new_date"},
},
"ask_new_date": {
"ha": "Wace rana kake so? Misali 'jumma'a' ko 'asabar'.",
"en": "Which day? For example 'Friday' or 'Saturday'.",
"expects": "date",
"transitions": {"provide_date": "reschedule_done"},
},
"reschedule_done": {
"ha": "An sake tsara isar. Za ka sami SMS na tabbatarwa.",
"en": "Delivery rescheduled. You'll receive a confirmation SMS.",
"expects": None, "terminal": True,
},
"ask_order_id_return": {
"ha": "Ka faɗi lambar oda da kake son mayarwa.",
"en": "Say the order number you want to return.",
"expects": "digits",
"transitions": {"provide_digits": "return_reason"},
},
"return_reason": {
"ha": "Me ya sa kake son mayarwa?",
"en": "Why do you want to return it?",
"expects": "text",
"transitions": {"provide_reason": "return_done"},
},
"return_done": {
"ha": "An karɓi buƙatarka. Wakili zai tattara kaya a gobe.",
"en": "Your request is received. An agent will collect the item tomorrow.",
"expects": None, "terminal": True,
},
},
},
}
def get_prompt(vertical: str, state_name: str) -> dict:
if state_name == "escalate_virtual":
return {"ha": "Zan juya ka ga wakili na mutum yanzu. Ka jira ɗan lokaci.",
"en": "I'll transfer you to a human agent now. Please hold."}
if state_name == "exit":
return {"ha": "Nagode. Sai watan.", "en": "Thank you. Goodbye."}
s = SCENARIOS[vertical]["states"].get(state_name)
if not s:
return {"ha": "Ban fahimci abin da ka ce ba.", "en": "I didn't understand."}
return {"ha": s["ha"], "en": s["en"]}
def get_expected_slot(vertical: str, state_name: str) -> Optional[str]:
s = SCENARIOS[vertical]["states"].get(state_name)
return s.get("expects") if s else None
def transition(state: DialogueState, intent: str, entities: dict) -> DialogueState:
state.turn_count += 1
for k, v in entities.items():
state.slots[k] = v
if intent == "human_agent" or state.turn_count > 12:
state.current_state = "escalate_virtual"
state.escalate_to_human = True
return state
current = SCENARIOS[state.vertical]["states"].get(state.current_state)
if not current:
state.current_state = "greeting"
return state
next_state = current.get("transitions", {}).get(intent)
if next_state:
state.current_state = next_state
target = SCENARIOS[state.vertical]["states"].get(next_state, {})
if target.get("escalate"):
state.escalate_to_human = True
return state
|