feat(brain): Volltext-Suche zusaetzlich zu Semantic — Default ist jetzt Wortlich
Stefan wollte ne richtige Suche statt nur "klingt aehnlich". Beide Modi sind jetzt verfuegbar, Default ist Volltext: - 📝 Wortlich (Substring, case-insensitive ueber Title + Content + Category + Tags) — neuer Endpoint /memory/search-text. Full-Scan via Qdrant scroll, k=50. Findet "cessna" exakt im Content. Bei kleiner DB (<1000 Eintraege) unkritisch performant. - 🧠 Semantisch (Embedder + score_threshold 0.30) — bestehender /memory/search Endpoint. Findet konzeptuell verwandte Eintraege. Diagnostic UI: Dropdown neben dem Suchfeld zum Modus-Wechsel. Info-Banner zeigt klar welcher Modus aktiv ist. Warum Wortlich Default: bei kleiner DB liefert Semantic gern False Positives mit Score 0.30-0.45 fuer komplett unverwandte Begriffe (z.B. "cessna" matched "Tageslog fuehren" mit 0.43). Wortlich ist deterministisch und vermeidet das Rauschen. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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@@ -181,6 +181,23 @@ def memory_pinned():
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return [MemoryOut.from_point(p) for p in store().list_pinned()]
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@app.get("/memory/search-text", response_model=List[MemoryOut])
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def memory_search_text(
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q: str,
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k: int = 50,
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type: Optional[str] = None,
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include_pinned: bool = True,
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):
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"""Volltext-Substring-Suche (case-insensitive) ueber Title + Content +
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Category + Tags. Findet exakte Begriffe — z.B. 'cessna' matched 'Cessna 172'.
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Im Gegensatz zu /memory/search (semantic) keine 'klingt aehnlich'-Treffer."""
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points = store().search_text(
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q, k=k, type_filter=type,
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exclude_pinned=not include_pinned,
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)
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return [MemoryOut.from_point(p) for p in points]
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@app.get("/memory/search", response_model=List[MemoryOut])
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def memory_search(
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q: str,
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@@ -213,3 +213,56 @@ class VectorStore:
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def count(self) -> int:
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return self.client.count(collection_name=COLLECTION, exact=True).count
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def search_text(
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self,
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query: str,
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k: int = 20,
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type_filter: Optional[str] = None,
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exclude_pinned: bool = False,
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) -> List[MemoryPoint]:
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"""Volltext-Substring-Suche (case-insensitive) ueber Title +
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Content + Category + Tags. Im Gegensatz zu search() ist das KEIN
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Semantic-Match — nur exakte Wort-/Teilwort-Treffer.
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Full-Scan ueber alle (gefilteren) Punkte. Bei der erwarteten
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Groessenordnung (< 1000) unkritisch."""
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q = (query or "").strip().lower()
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if not q:
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return []
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must = []
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must_not = []
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if type_filter:
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must.append(qm.FieldCondition(key="type", match=qm.MatchValue(value=type_filter)))
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if exclude_pinned:
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must_not.append(qm.FieldCondition(key="pinned", match=qm.MatchValue(value=True)))
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flt = qm.Filter(must=must or None, must_not=must_not or None) if (must or must_not) else None
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matches: List[MemoryPoint] = []
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offset = None
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while True:
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points, offset = self.client.scroll(
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collection_name=COLLECTION,
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scroll_filter=flt,
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limit=200,
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offset=offset,
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with_payload=True,
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with_vectors=False,
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)
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for p in points:
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payload = p.payload or {}
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tags = payload.get("tags")
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tags_str = " ".join(tags) if isinstance(tags, list) else ""
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haystack = " ".join([
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str(payload.get("title", "")),
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str(payload.get("content", "")),
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str(payload.get("category", "")),
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tags_str,
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]).lower()
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if q in haystack:
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matches.append(MemoryPoint.from_qdrant(p))
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if len(matches) >= k:
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return matches
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if not offset:
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break
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return matches
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+26
-10
@@ -824,9 +824,15 @@
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</div>
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<div class="card" style="margin-bottom:8px;">
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<div style="display:flex;gap:8px;flex-wrap:wrap;align-items:center;">
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<input type="text" id="brain-search" placeholder="Semantische Suche (z.B. 'Stefan Persönlichkeit')..."
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<input type="text" id="brain-search" placeholder="Suche (z.B. 'cessna' oder 'Stefan Persönlichkeit')..."
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style="flex:1;min-width:200px;background:#080810;color:#E0E0F0;border:1px solid #1E1E2E;padding:6px 8px;border-radius:4px;font-family:inherit;font-size:12px;"
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onkeydown="if(event.key==='Enter') runBrainSearch()">
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<select id="brain-search-mode" onchange="if(document.getElementById('brain-search').value.trim()) runBrainSearch()"
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title="Wortlich = exakter Substring-Match. Semantisch = 'klingt aehnlich' via Embeddings."
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style="background:#080810;color:#E0E0F0;border:1px solid #1E1E2E;padding:6px;border-radius:4px;font-family:inherit;font-size:11px;">
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<option value="text" selected>📝 Wortlich</option>
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<option value="semantic">🧠 Semantisch</option>
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</select>
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<button class="btn secondary" onclick="runBrainSearch()" style="padding:4px 12px;font-size:11px;">Suchen</button>
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<select id="brain-filter-type" onchange="loadBrainMemoryList()"
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style="background:#080810;color:#E0E0F0;border:1px solid #1E1E2E;padding:6px;border-radius:4px;font-family:inherit;font-size:11px;">
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@@ -3457,13 +3463,23 @@
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return;
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}
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const typeFilter = document.getElementById('brain-filter-type').value;
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// k=10 + Score-Threshold im Backend (0.30) → nur relevante Treffer.
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// Frueher k=20 ohne Threshold: bei kleiner DB landete fast alles
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// als "Treffer", egal wie unaehnlich.
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const params = new URLSearchParams({ q, k: '10', include_pinned: 'true', score_threshold: '0.30' });
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if (typeFilter) params.set('type', typeFilter);
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const mode = (document.getElementById('brain-search-mode')?.value) || 'text';
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let url, modeLabel;
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if (mode === 'semantic') {
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// Embedder-basiert, mit Score-Threshold gegen Rauschen
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const params = new URLSearchParams({ q, k: '10', include_pinned: 'true', score_threshold: '0.30' });
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if (typeFilter) params.set('type', typeFilter);
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url = '/api/brain/memory/search?' + params.toString();
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modeLabel = '🧠 semantisch (Score ≥ 0.30)';
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} else {
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// Volltext-Substring (case-insensitive) — findet exakte Begriffe
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const params = new URLSearchParams({ q, k: '50', include_pinned: 'true' });
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if (typeFilter) params.set('type', typeFilter);
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url = '/api/brain/memory/search-text?' + params.toString();
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modeLabel = '📝 wortlich (Substring)';
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}
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try {
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const r = await fetch('/api/brain/memory/search?' + params.toString());
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const r = await fetch(url);
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if (!r.ok) throw new Error('HTTP ' + r.status);
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const hits = await r.json();
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hits.forEach(m => { brainMemoryCache[m.id] = m; });
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@@ -3471,13 +3487,13 @@
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if (info) {
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info.style.display = 'block';
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if (hits.length === 0) {
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info.innerHTML = `🔍 Keine relevanten Treffer für "${escapeHtml(q)}"` +
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info.innerHTML = `🔍 Keine Treffer für "${escapeHtml(q)}"` +
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(typeFilter ? ` · Typ=${escapeHtml(typeFilter)}` : '') +
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` (Score < 0.30). Versuche andere Begriffe oder klicke das ✕ rechts um die Suche zu schliessen.`;
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` · ${modeLabel}. Anderen Begriff probieren oder ✕ rechts um Suche zu schliessen.`;
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} else {
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info.innerHTML = `🔍 ${hits.length} Treffer für "${escapeHtml(q)}"` +
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(typeFilter ? ` · Typ=${escapeHtml(typeFilter)}` : '') +
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` · sortiert nach Aehnlichkeit (Score ≥ 0.30)`;
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` · ${modeLabel}`;
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}
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}
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renderBrainList(hits, true);
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