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C.E.L_Slide_test2/src/phase_z2_ai_fallback/schema.py
T
kmlee1andClaude Opus 4.7 c864fe0479 feat(#61): IMP-33 AI fallback scaffolding (u1~u11, flag default OFF)
Frame-aware AI fallback module scaffolded under src/phase_z2_ai_fallback/
with master flag ai_fallback_enabled=False; normal-path AI call count
remains 0. AI output constrained to builder_options_patch /
partial_overrides / slot_mapping_proposal; MDX / frame_id / raw HTML /
raw CSS mutations rejected at schema layer. IMP-46 cache gate (cache.py)
raises AiFallbackCacheGateError unless visual_check_passed AND
user_approved. Step 12 wires AI repair after IMP-30 provisional payload
only; Step 17 stays blocked behind IMP-34 / IMP-35 prerequisites.
AST isolation guard forbids fallback package from importing Phase Q /
Kei / pipeline runtime symbols. Docs IMP-17 / IMP-31 bound to runtime
module surface via 11-row structural test pin (test_docs_sync.py) so
drift fails CI.

Tests: 116 fallback / 161 phase_z2 regression / 526 scoped full sweep
all passing. Existing pre-IMP-33 fixture issue in scripts/test_phase_t_*
remains untouched (out of scope).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-21 12:46:49 +09:00

51 lines
1.7 KiB
Python

"""IMP-33 u2 — AI fallback proposal schema.
Whitelisted proposal kinds (Stage 2 plan):
- builder_options_patch : zone/frame builder option overrides
- partial_overrides : Internal Region / Frame Slot content overrides
- slot_mapping_proposal : restructuring proposal (content unit mapping)
Forbidden output forms (rejected by validator):
- mdx_text (MDX read-only — `feedback_ai_isolation_contract`)
- frame_id_change (V4 rank-1 protected — `feedback_phase_z_spacing_direction`)
- raw_html (HTML structure is code-decided, not AI-generated)
- raw_css (same)
"""
from __future__ import annotations
from enum import Enum
from typing import Any
from pydantic import BaseModel, ConfigDict, Field, field_validator
class ProposalKind(str, Enum):
BUILDER_OPTIONS_PATCH = "builder_options_patch"
PARTIAL_OVERRIDES = "partial_overrides"
SLOT_MAPPING_PROPOSAL = "slot_mapping_proposal"
FORBIDDEN_KINDS: frozenset[str] = frozenset(
{"mdx_text", "frame_id_change", "raw_html", "raw_css"}
)
class AiFallbackProposal(BaseModel):
"""Single AI fallback proposal (output contract for u4 client)."""
model_config = ConfigDict(extra="forbid")
proposal_kind: ProposalKind
payload: dict[str, Any] = Field(default_factory=dict)
rationale: str = ""
@field_validator("proposal_kind", mode="before")
@classmethod
def _reject_forbidden_kind(cls, value: Any) -> Any:
if isinstance(value, str) and value in FORBIDDEN_KINDS:
raise ValueError(
f"proposal_kind={value!r} is forbidden (MDX/frame/raw HTML/CSS "
"mutations are not permitted under IMP-33)."
)
return value