"""v4-eras: PA + Eras Expert with progress streaming.

Personal Assistant routes to the Eras expert for heating/energy DB work.
Social/general messages handled directly by PA.

Frame traces:
  Reflex:         F1(Input) → F2(Output)
  PA direct:      F1(Input) → F2(PA) → F3(Output+UI)
  Expert:         F1(Input) → F2(PA) → F3(ErasExpert) → F4(Output+UI)
  Expert+Interp:  F1(Input) → F2(PA) → F3(ErasExpert) → F4(Interpreter) → F5(Output+UI)
"""

NAME = "v4-eras"
DESCRIPTION = "PA + Eras Expert: heating/energy database with progress streaming"
ENGINE = "frames"

NODES = {
    "input":        "input_v1",
    "pa":           "pa_v1",
    "expert_eras":  "eras_expert",
    "interpreter":  "interpreter_v1",
    "output":       "output_v1",
    "ui":           "ui",
    "memorizer":    "memorizer_v1",
    "sensor":       "sensor",
}

EDGES = [
    # Data edges
    {"from": "input", "to": "pa", "type": "data", "carries": "Command"},
    {"from": "input", "to": "output", "type": "data", "carries": "Command",
     "condition": "reflex"},
    {"from": "pa", "to": "expert_eras", "type": "data", "carries": "PARouting",
     "condition": "expert_is_eras"},
    {"from": "pa", "to": "output", "type": "data", "carries": "PARouting",
     "condition": "expert_is_none"},
    {"from": "expert_eras", "to": ["output", "ui"], "type": "data",
     "carries": "ThoughtResult", "parallel": True},
    {"from": "expert_eras", "to": "interpreter", "type": "data",
     "carries": "tool_output", "condition": "has_tool_output"},
    {"from": "interpreter", "to": "output", "type": "data",
     "carries": "InterpretedResult", "condition": "has_tool_output"},
    {"from": "output", "to": "memorizer", "type": "data", "carries": "history"},

    # Context edges — PA gets all context (experts are stateless)
    {"from": "memorizer", "to": "pa", "type": "context",
     "method": "get_context_block"},
    {"from": "memorizer", "to": "input", "type": "context",
     "method": "get_context_block"},
    {"from": "memorizer", "to": "output", "type": "context",
     "method": "get_context_block"},
    {"from": "pa", "to": "output", "type": "context",
     "method": "get_context_line"},
    {"from": "sensor", "to": "pa", "type": "context",
     "method": "get_context_lines"},
    {"from": "ui", "to": "pa", "type": "context",
     "method": "get_machine_summary"},

    # State edges
    {"from": "sensor", "to": "runtime", "type": "state", "reads": "flags"},
    {"from": "ui", "to": "runtime", "type": "state", "reads": "current_controls"},
]

CONDITIONS = {
    "reflex": "intent==social AND complexity==trivial",
    "expert_is_eras": "pa.expert == eras",
    "expert_is_none": "pa.expert == none",
    "has_tool_output": "expert.tool_used is not empty",
}

AUDIT = {}