fix(gate): actionable recovery for mid-promotion failures; truthful solved-index copy; fast-follow notes

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

PROJECT_STATE.md

@@ -53,7 +53,7 @@ Opens frontend at http://localhost:5173 → backend :8787.
 - frontend: `cd frontend && npm run dev` (Vite; `VITE_BACKEND_URL` → backend)
 - harness install: `cd harness && python -m venv .venv && pip install -e ".[dev]"` → `tht` on PATH
 
-## How to test (all green as of 2026-07-07: harness pytest 314 / gate JS 103 / backend 71 / frontend 182)
+## How to test (all green as of 2026-07-07: harness pytest 330 / gate JS 107 / backend 71 / frontend 182)
 - harness: `cd harness && .venv/bin/pytest -q` (5 L2/real-DB tests are deselected by default)
 - backend: `cd backend && npx vitest run` · typecheck `npx tsc --noEmit -p .`
 - frontend: `cd frontend && npx vitest run` · typecheck `npx tsc -b` · e2e `npm run e2e` (Playwright)
@@ -104,6 +104,15 @@ workspace `psd` via `./scripts/run-stack.sh` to verify (a) the promotion checkli
 pre-selected and persists selected/declined correctly, (b) finalize indexes the pair,
 (c) `tht memory solved-search` returns it with sql + tables.
 
+**Fast-follow:**
+- RestSearcher top-k dilution: `memory` and `solved_question` share the pgvector table and
+  `search_similar` has no server-side kind filter — with many solved records the client-side
+  filter can starve `tht memory search` results (and vice versa); fix = over-fetch (top_n*3)
+  when kinds is a strict subset, or kind param in the RPC — da fare prima che i solved record
+  si accumulino.
+- `tht memory solved-search` muore con traceback grezzo se il vectordb è irraggiungibile
+  (SKILL.md la prescrive in F4/F6/F7) — degradare a messaggio di una riga.
+
 ## Review gates v2 — payload strutturati + viewer dedicati — COMPLETE (2026-07-07)
 
 Plan: `~/.claude/plans/prima-di-passare-ai-inherited-marshmallow.md`. Merged to `main` @ `2410f01`