core/session/context.py
Shay c9a644e496
feat(dialogue-fluency): wire multi-turn dialogue runtime
Adds referent tracking, session graph traversal, unknown-domain gating, correction propagation, compositional surface assembly, and regression coverage.

Follow-up fixes included before merge:
- split probe/commit/finalize turn flow so unknown-domain checks run before current-query vault writes
- record real input tokens and input versors for sync and async session paths
- return true graph distances from backward walks and consume them in correction decay
- synchronize corrected graph outputs into vault-backed recall and live referent state
- regenerate correction responses from corrected context rather than correction text
- keep coreference pronouns lowercase in question bodies
- centralize elaboration-string construction to avoid plan/surface drift
- add targeted dialogue fluency regression tests
2026-05-15 21:05:59 -07:00

266 lines
11 KiB
Python

"""
SessionContext — binds field, vault, vocab, persona, referents, and graph.
The ingest path is split into a non-mutating probe and a committing ingest so
runtime gates can inspect the candidate field before durable vault writes. All
response paths finalize through one graph/vault/session-state method.
"""
from __future__ import annotations
import numpy as np
from algebra.backend import cga_inner, versor_apply
from algebra.cga import outer_product
from field.state import FieldState
from generate.dialogue import DialogueTurn
from generate.proposition import Proposition
from generate.result import GenerationResult
from generate.stream import generate
from ingest.gate import inject
from persona.motor import PersonaMotor
from session.graph import SessionGraph
from session.referents import ReferentRegistry
from vault.store import VaultStore
class SessionContext:
def __init__(self, vocab, persona=None, vault=None, vault_reproject_interval: int = 100):
self.vocab = vocab
self.persona = persona or PersonaMotor.identity()
self.vault = vault or VaultStore(reproject_interval=vault_reproject_interval)
self.state: FieldState | None = None
self.turn: int = 0
self.graph: SessionGraph = SessionGraph()
self.referents: ReferentRegistry = ReferentRegistry()
self.running_dialogue_blade: np.ndarray | None = None
self._last_response_tokens: tuple[str, ...] | None = None
self._anchor_field: np.ndarray | None = None
self._dialogue_history_compat: list[DialogueTurn] = []
self._last_input_tokens: tuple[str, ...] = ()
self._last_resolved_input_tokens: tuple[str, ...] = ()
self._last_input_versor: np.ndarray | None = None
@property
def dialogue_history(self) -> list[DialogueTurn]:
return self._dialogue_history_compat
@property
def last_input_tokens(self) -> tuple[str, ...]:
return self._last_input_tokens
@property
def last_resolved_input_tokens(self) -> tuple[str, ...]:
return self._last_resolved_input_tokens
def _field_from_tokens(self, tokens: list[str], *, resolve_referents: bool) -> tuple[FieldState, list[str]]:
resolved_tokens = self.referents.resolve(tokens) if resolve_referents else list(tokens)
injected = inject(resolved_tokens, self.vocab)
anchor_token = resolved_tokens[0] if resolved_tokens else (tokens[0] if tokens else "")
try:
node_idx = self.vocab.index_of(anchor_token)
except (KeyError, IndexError):
node_idx = self.vocab.index_of(tokens[0]) if tokens else 0
if self.state is None:
candidate = FieldState(
F=injected.F,
node=node_idx,
step=injected.step,
holonomy=injected.holonomy,
energy=injected.energy,
valence=injected.valence,
)
else:
candidate = FieldState(
F=versor_apply(injected.F, self.state.F),
node=node_idx,
step=self.state.step + 1,
holonomy=injected.holonomy,
energy=injected.energy,
valence=injected.valence,
)
return candidate, resolved_tokens
def probe_ingest(self, tokens: list[str]) -> FieldState:
"""Build the candidate ingest field without mutating state or vault."""
snapshot_sources = self.referents.consumed_turns()
snapshot_slots = self.referents.consumed_slots()
candidate, _ = self._field_from_tokens(tokens, resolve_referents=True)
# Restore consumed metadata because probe must not define graph edges.
self.referents._last_resolved_sources = snapshot_sources # internal rollback by design
self.referents._last_resolved_slots = snapshot_slots
return candidate
def commit_ingest(self, tokens: list[str]) -> FieldState:
"""Resolve, inject, mutate live state, and store the user field."""
field_state, resolved_tokens = self._field_from_tokens(tokens, resolve_referents=True)
self.state = field_state
if self._anchor_field is None:
self._anchor_field = field_state.F.copy()
self._last_input_tokens = tuple(tokens)
self._last_resolved_input_tokens = tuple(resolved_tokens)
self._last_input_versor = field_state.F.copy()
self.vault.store(field_state.F, {"turn": self.turn, "role": "user"})
return field_state
def ingest(self, tokens: list[str]) -> FieldState:
"""Backward-compatible committing ingest."""
return self.commit_ingest(tokens)
def record_dialogue(self, proposition: Proposition) -> DialogueTurn:
from generate.dialogue import DialogueTurn as _DT
blade = proposition.relation
turn = _DT(proposition=proposition, outer_product_blade=blade)
self._dialogue_history_compat.append(turn)
if self.running_dialogue_blade is None:
self.running_dialogue_blade = blade.copy()
else:
self.running_dialogue_blade = outer_product(self.running_dialogue_blade, blade)
return turn
@property
def last_dialogue_blade(self) -> np.ndarray | None:
if not self._dialogue_history_compat:
return None
return self._dialogue_history_compat[-1].outer_product_blade.copy()
def _register_result_referent(self, result: GenerationResult) -> None:
if not result.tokens:
return
versors: dict[str, np.ndarray] = {}
for tok in result.tokens:
try:
versors[tok] = self.vocab.get_versor(tok)
except KeyError:
pass
self.referents.register_from_tokens(result.tokens, versors, turn=self.turn)
def finalize_turn(
self,
result: GenerationResult,
*,
tokens_in: tuple[str, ...] | None = None,
dialogue_role: str = "assert",
input_versor: np.ndarray | None = None,
metadata: dict | None = None,
) -> None:
"""Finalize assistant output into referents, graph, vault, and state."""
if self.state is None and input_versor is None:
raise AssertionError("Call ingest() before finalize_turn().")
input_F = (
np.asarray(input_versor, dtype=np.float32).copy()
if input_versor is not None
else (self._last_input_versor.copy() if self._last_input_versor is not None else self.state.F.copy())
)
turn_tokens = tuple(tokens_in if tokens_in is not None else self._last_input_tokens)
backward_edges = self.referents.consumed_turns()
active_slots = self.referents.active_slots()
self._register_result_referent(result)
# Include any newly registered output referent in the turn metadata.
active_slots = self.referents.active_slots() | active_slots
self.graph.add_turn(
turn_idx=self.turn,
input_versor=input_F,
output_versor=result.final_state.F,
tokens_in=turn_tokens,
tokens_out=tuple(result.tokens or []),
dialogue_role=dialogue_role,
referent_slots=active_slots,
backward_edges=backward_edges,
)
self.state = result.final_state
payload = {"turn": self.turn, "role": "assistant"}
if metadata:
payload.update(metadata)
self.vault.store(result.final_state.F, payload)
self.turn += 1
self._last_response_tokens = result.tokens
def apply_corrected_outputs(self, records) -> None:
"""Synchronize corrected graph records into live session recall surfaces."""
for record in records:
self.vault.store(
record.new_versor,
{"turn": record.turn_idx, "role": "assistant", "corrected": True},
)
self.referents.update_turn_versor(record.turn_idx, record.new_versor)
if records:
last = max(records, key=lambda r: r.turn_idx)
if self.state is not None:
self.state = FieldState(
F=last.new_versor,
node=self.state.node,
step=self.state.step,
holonomy=self.state.holonomy,
energy=self.state.energy,
valence=self.state.valence,
)
def respond(self, max_tokens: int = 128) -> GenerationResult:
assert self.state is not None, "Call ingest() before respond()."
input_versor = self._last_input_versor.copy() if self._last_input_versor is not None else self.state.F.copy()
result = generate(self.state, self.vocab, self.persona, max_tokens, vault=self.vault)
if self._last_response_tokens is not None and result.tokens == self._last_response_tokens and result.tokens:
try:
pivot_node = self.vocab.index_of(result.tokens[0])
except KeyError:
pivot_node = self.state.node
if pivot_node != self.state.node:
pivot = FieldState(
F=self.state.F,
node=pivot_node,
step=self.state.step,
holonomy=self.state.holonomy,
energy=self.state.energy,
valence=self.state.valence,
)
result = generate(pivot, self.vocab, self.persona, max_tokens, vault=self.vault)
result = self._orient_result_to_anchor(result)
self.finalize_turn(result, input_versor=input_versor, dialogue_role="assert")
return result
def _orient_result_to_anchor(self, result: GenerationResult) -> GenerationResult:
final_state = result.final_state
coherence_anchor = self._anchor_field if self._anchor_field is not None else (self.state.F if self.state is not None else None)
if coherence_anchor is None:
return result
cga_score = cga_inner(final_state.F, coherence_anchor)
euclidean_score = float(np.dot(final_state.F, coherence_anchor))
if cga_score < 0.0 or euclidean_score < 0.0:
final_state = FieldState(
F=-final_state.F,
node=final_state.node,
step=final_state.step,
holonomy=final_state.holonomy,
energy=final_state.energy,
valence=final_state.valence,
)
return GenerationResult(
tokens=result.tokens,
final_state=final_state,
trajectory=result.trajectory,
salience_top_k=result.salience_top_k,
candidates_used=result.candidates_used,
vault_hits=result.vault_hits,
identity_score=result.identity_score,
)
return result
async def arespond(self, max_tokens: int = 128):
assert self.state is not None, "Call ingest() before arespond()."
input_versor = self._last_input_versor.copy() if self._last_input_versor is not None else self.state.F.copy()
result = self._orient_result_to_anchor(
generate(self.state, self.vocab, self.persona, max_tokens, vault=self.vault)
)
for token in result.tokens:
yield token
self.finalize_turn(result, input_versor=input_versor, dialogue_role="assert")
def recall(self, query_tokens: list, top_k: int = 5) -> list:
query_state = inject(query_tokens, self.vocab)
return self.vault.recall(query_state.F, top_k=top_k)