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FabledGrimoire/src/scribe/routes/search.py
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bvandeusen f11a547cd2
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fix(lists): shared-project records appear, and a list's q means what search means
#2462, both decided halves.

## The ACL defect

list_notes filtered on Note.user_id == user_id with no scope parameter at all
— never a per-call decision, the capability was absent. query_knowledge beside
it was deliberately browse-scoped with a comment saying why. So a task in a
shared project was invisible in list_tasks, enter_project's open-task list,
the SessionStart todo count and the web UI's task views, while the same
project's notes and snippets appeared.

Now the shared clause: notes_visibility_clause(user_id, "browse"). Browse and
not read, per decision #2094 — an ambient list must never surface a record
someone shared one-to-one; those stay search-only. This is the remaining half
of a fix made twice before (#2159 widened fetch, #2092 widened meaning), and
the guard below is what stops a fourth half appearing.

Guarded by source inspection in test_retrieval_scopes: every list-shaped
service references a shared visibility clause AND carries no bare
Note.user_id comparison that would quietly re-narrow it. An owner-only list
returns correct-looking rows and simply omits the shared ones — the shape no
behavioural test catches.

## q is semantic (operator: "make it match")

The UI's note list keyword-matched while the UI's Browse search
semantic-matched, over the same records, with nothing saying so. Now one
meaning: q joins the embedding index and orders by cosine distance at the
interactive floor, with every lifecycle filter still applied in the same
indexed query. Relevance ordering wins over `sort` when q is present — a query
is a relevance claim, and sorting its results by date would shuffle the
answer. ILIKE survives only as the embedder-down fallback: degraded, never
empty.

Stated position: superseded records are NOT demoted in list-q. The penalty
reorders a top-k; reordering a paginated, counted list would make page
boundaries lie. The search surfaces carry the demotion.

## The interactive floor becomes one constant

INTERACTIVE_SEARCH_THRESHOLD = 0.3 in embeddings.py, consumed by
routes/search.py (was a commented constant), knowledge.py (was a bare
literal), and the new list-q. This closes #2463's finding 3 early — the same
number lived in two files with the reasoning attached to only one.

## Deferred, deliberately

The return-shape unification (ORM objects vs dicts) stays undone. It is a
14-caller refactor whose motivation — callers being unable to swap paths —
shrinks now that both paths share the clause and the meaning of q. If swap
pressure recurs it deserves its own change, not a rider on an ACL fix.

Refs #2462, #2463
2026-08-08 19:58:01 -04:00

78 lines
2.8 KiB
Python

import time
from quart import Blueprint, jsonify, request
from scribe.auth import login_required, get_current_user_id
from scribe.services.access import owner_names_for
from scribe.services.embeddings import (
INTERACTIVE_SEARCH_THRESHOLD as _REST_SEARCH_THRESHOLD,
)
from scribe.services.embeddings import semantic_search_notes
from scribe.services.retrieval_telemetry import record_retrieval
# The interactive floor lives in embeddings.py now, shared with Browse search
# and the list views' semantic `q` — one number, one rationale (#2463).
search_bp = Blueprint("search", __name__, url_prefix="/api/search")
def _content_type_to_is_task(content_type: str) -> bool | None:
"""Map content_type query param to semantic_search_notes is_task arg."""
if content_type == "note":
return False
if content_type == "task":
return True
return None # "all" or unknown → no filter
@search_bp.route("", methods=["GET"])
@login_required
async def search_route():
uid = get_current_user_id()
q = (request.args.get("q") or "").strip()
if not q:
return jsonify({"error": "q is required"}), 400
content_type = request.args.get("content_type", "all")
limit = min(request.args.get("limit", 10, type=int), 50)
is_task = _content_type_to_is_task(content_type)
# Same association filter the MCP tool takes (#33). The project filter this
# route is still missing is #2463's — it carries a default-scope UI decision
# this change must not preempt.
system_id = request.args.get("system_id", type=int)
t0 = time.perf_counter()
results = await semantic_search_notes(
uid, q, limit=limit, is_task=is_task, threshold=_REST_SEARCH_THRESHOLD,
system_id=system_id,
# The user typed this, so it reaches everything they may read.
scope="read",
)
record_retrieval(
user_id=uid, source="rest_search", query=q,
threshold=_REST_SEARCH_THRESHOLD, limit=limit,
project_id=None, is_task=is_task, results=results,
duration_ms=(time.perf_counter() - t0) * 1000.0,
)
owners = await owner_names_for(
{int(note.user_id) for _s, note in results if note.user_id != uid}
)
return jsonify({
"results": [
{
"id": note.id,
"title": note.title,
"body": note.body or "",
"is_task": note.is_task,
"tags": note.tags or [],
"similarity": score,
**(
{"shared": True, "owner": owners.get(int(note.user_id))}
if note.user_id != uid else {}
),
}
for score, note in results # semantic_search_notes returns list[tuple[float, Note]]
],
"total": len(results),
})