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feat(l1): ai_tree_builder skips meta category-carrier entry in context + normalize

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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Michael Chihlas
2026-05-30 03:51:50 -04:00
parent cc41f20668
commit af3b1c0123
1 changed files with 13 additions and 0 deletions
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13
backend/app/services/ai_tree_builder.py
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@@ -45,7 +45,19 @@ No prose, no markdown fences.
""" """
def _strip_meta(walked_path: list[dict]) -> list[dict]:
"""Drop the hidden ``meta`` entry (category carrier) the intake endpoint seeds.
The first walked_path entry on an ai_build session may be a
``{"node_type": "meta", "category": ...}`` marker used to persist the
classified category; it is not a real walk step and must be excluded from
both model context and tree normalization.
"""
return [s for s in walked_path if s.get("node_type") != "meta"]
def _build_context(problem_text: str, category: str, walked_path: list[dict]) -> str: def _build_context(problem_text: str, category: str, walked_path: list[dict]) -> str:
walked_path = _strip_meta(walked_path)
lines = [f"PROBLEM: {problem_text}", f"CATEGORY: {category}", "STEPS SO FAR:"] lines = [f"PROBLEM: {problem_text}", f"CATEGORY: {category}", "STEPS SO FAR:"]
if not walked_path: if not walked_path:
lines.append("(none yet — produce the first diagnostic question)") lines.append("(none yet — produce the first diagnostic question)")
@@ -116,6 +128,7 @@ def normalize_walked_path(walked_path: list[dict]) -> dict[str, Any]:
Returns {id, nodes: {id: node}} — a dict with an id (passes the proposal Returns {id, nodes: {id: node}} — a dict with an id (passes the proposal
approval guard). approval guard).
""" """
walked_path = _strip_meta(walked_path)
nodes: dict[str, Any] = {} nodes: dict[str, Any] = {}
if not walked_path: if not walked_path:
root_id = "root" root_id = "root"