trivial turn patch

packages/memory-service/src/episodic/index.js

@@ -1,5 +1,5 @@
 const {getDB} = require('../db');
-const { EPISODIC, getEnv, SERVICES, parseRow, formatEpisodeText, SUMMARIES, logger } = require('@nexusai/shared');
+const { EPISODIC, getEnv, SERVICES, parseRow, formatEpisodeText, SUMMARIES, logger, isTrivialTurn } = require('@nexusai/shared');
 const semantic = require('../semantic');
 const { extractAndStoreEntities } = require('../entities/extraction')
 
@@ -162,8 +162,16 @@ async function createEpisode(sessionId, userMessage, aiResponse, tokenCount = nu
     }))
     .catch(err => logger.error(`Failed to embed episode ${episode.id}:`, err.message));
 
+  // Skip entity extraction on contentless social turns (greetings, sign-offs).
+  // They carry nothing worth storing, and running extraction on them was a
+  // source of junk/confabulated entities. The informational content lives in
+  // substantive turns, which still extract normally.
+  if (isTrivialTurn(userMessage)) {
+    logger.debug(`[entities] Skipping extraction for episode ${episode.id} — trivial turn`);
+  } else {
     extractAndStoreEntities(userMessage, aiResponse, episode.id, projectId)
       .catch(err => logger.error(`Failed to extract entities for episode ${episode.id}:`, err.message));
+  }
 
 
   return episode;

packages/orchestration-service/src/chat/index.js

@@ -2,7 +2,7 @@ const memory = require("../services/memory");
 const inference = require("../services/inference");
 const embedding = require("../services/embedding");
 const qdrant = require("../services/qdrant");
-const { ORCHESTRATION, RETRIEVAL, logger } = require("@nexusai/shared");
+const { ORCHESTRATION, RETRIEVAL, logger, isTrivialTurn } = require("@nexusai/shared");
 const appSettings = require("../config/settings");
 const {triggerSummary} = require('../services/summarization')
 const graph = require('../services/graph');
@@ -283,8 +283,13 @@ async function assembleContext(externalId, userMessage) {
     const isFirstMessage = recentEpisodes.length === 0;
     const recentIds = new Set(recentEpisodes.map(e => e.id));
 
-    // 4. Embed the query once — the vector is shared by semantic episode search
-    //    and entity search, so embedding it twice was a wasted round-trip + Ollama call.
+    // 4. Retrieval — skipped entirely on contentless social turns (greetings,
+    //    sign-offs). On those, recent history alone is the right context; running
+    //    semantic/keyword/entity retrieval only surfaces marginal noise the model
+    //    then confabulates around. Embed once (shared by episode + entity search).
+    let fusedWithScores = [];
+    let entityResults = [];
+    if (!isTrivialTurn(userMessage)) {
         let queryVector = null;
         try {
             queryVector = await embedding.embed(userMessage);
@@ -292,11 +297,13 @@ async function assembleContext(externalId, userMessage) {
             logger.warn('[orchestration] Query embedding failed; semantic + entity search disabled this turn:', err.message);
         }
 
-    // 4b. Fused retrieval + entity search in parallel (both are independent)
-    const [fusedWithScores, entityResults] = await Promise.all([
+        [fusedWithScores, entityResults] = await Promise.all([
             getFusedEpisodes(userMessage, session, recentIds, projectSessionIds, queryVector, { semanticLimit, scoreThreshold, semanticWeight, keywordWeight }),
             getRelevantEntities(queryVector, session.project_id ?? null),
         ]);
+    } else {
+        logger.debug('[orchestration] Trivial turn — skipping semantic/keyword/entity retrieval');
+    }
 
     // 5. Entity-linked episode IDs for scoring bonus
     const entityIds = entityResults.map(e => e.id);

packages/shared/src/index.js

@@ -1,6 +1,6 @@
 const {getEnv} = require('./config/env');
 const {QDRANT, COLLECTIONS, EPISODIC, SERVICES, OLLAMA, PORTS, LLAMACPP, INFERENCE_DEFAULTS, SQLITE, ORCHESTRATION, SUMMARIES, ENTITIES, RETRIEVAL } = require('./config/constants');
-const {parseRow, formatEpisodeText} = require('./utils')
+const {parseRow, formatEpisodeText, isTrivialTurn} = require('./utils')
 const logger = require('./utils/logger');
 
 module.exports = {
@@ -17,6 +17,7 @@ module.exports = {
     ORCHESTRATION,
     parseRow,
     formatEpisodeText,
+    isTrivialTurn,
     SUMMARIES,
     ENTITIES,
     logger,

packages/shared/src/utils.js

@@ -10,4 +10,46 @@ function formatEpisodeText(userMessage, aiResponse) {
     return `User: ${userMessage}\nAssistant: ${aiResponse}`;
 }
 
-module.exports = { parseRow, formatEpisodeText };
+// Contentless "social" turns — greetings, sign-offs, acknowledgements — that
+// carry no information to store or recall. Used to skip entity extraction and
+// noisy retrieval on such turns.
+const TRIVIAL_TURNS = new Set([
+    'good morning', 'good night', 'good evening', 'good afternoon', 'morning', 'evening',
+    'hello', 'hi', 'hey', 'hey there', 'yo', 'sup', 'whats up', 'hiya', 'howdy',
+    'goodbye', 'bye', 'see you', 'see ya', 'see you later', 'talk later', 'talk soon',
+    'later', 'catch you later', 'gtg', 'gotta go', 'im off', 'heading out',
+    'thanks', 'thank you', 'thanks again', 'thank you so much', 'ty', 'thx', 'cheers',
+    'no worries', 'no problem', 'np', 'youre welcome', 'my pleasure',
+    'ok', 'okay', 'k', 'kk', 'alright', 'sure', 'sounds good', 'got it', 'gotcha',
+    'cool', 'nice', 'great', 'awesome', 'perfect', 'lol', 'haha',
+    'just saying hi', 'just saying hello', 'just checking in', 'just dropping in',
+    'stopping by', 'just stopping by', 'just wanted to say hi',
+]);
+
+// Trailing filler words that don't change a phrase's social nature, so
+// "good morning again" / "thanks everyone" collapse to a base phrase.
+const TRIVIAL_FILLER = new Set(['again', 'there', 'everyone', 'all', 'yall', 'folks', 'man', 'dude', 'friend', 'buddy']);
+
+// Conservative, HIGH-PRECISION check: is this a contentless social turn?
+// It exists to skip retrieval/extraction on turns with nothing to remember or
+// recall, and deliberately errs toward "substantive" — a real short query like
+// "capital of France" must NOT be treated as trivial. Genuine intent
+// classification is a separate, later concern (confidence-based routing), not
+// this heuristic. Extend TRIVIAL_TURNS as new pure-social phrases show up.
+function isTrivialTurn(message) {
+    if (!message) return true;
+    const norm = String(message)
+        .toLowerCase()
+        .replace(/[^\p{L}\p{N}\s]/gu, ' ')   // punctuation → space (unicode-aware)
+        .replace(/\s+/g, ' ')
+        .trim();
+    if (!norm) return true;                   // empty / punctuation-only
+    if (TRIVIAL_TURNS.has(norm)) return true;
+
+    // Drop trailing filler and re-check ("good morning again" → "good morning")
+    const words = norm.split(' ');
+    while (words.length > 1 && TRIVIAL_FILLER.has(words[words.length - 1])) words.pop();
+    return TRIVIAL_TURNS.has(words.join(' '));
+}
+
+module.exports = { parseRow, formatEpisodeText, isTrivialTurn };

test/trivial-turn.test.js

@@ -0,0 +1,42 @@
+// Trivial-turn guard — tests the REAL isTrivialTurn from @nexusai/shared, which
+// gates whether a turn skips retrieval + entity extraction. The critical property
+// is high precision: greetings/pleasantries are caught, but real short queries
+// must NOT be (a false positive would suppress retrieval on a genuine question).
+const { test } = require('node:test');
+const assert = require('node:assert');
+const { isTrivialTurn } = require('@nexusai/shared');
+
+test('plain greetings and pleasantries are trivial', () => {
+  for (const m of ['good morning', 'Good morning!', 'hello', 'hey there', 'hi',
+                    'thanks', 'thank you so much', 'bye', 'ok', 'sounds good',
+                    'just dropping in', 'just checking in', 'cheers']) {
+    assert.strictEqual(isTrivialTurn(m), true, `"${m}" should be trivial`);
+  }
+});
+
+test('trailing filler collapses to a base greeting', () => {
+  assert.strictEqual(isTrivialTurn('good morning again'), true);
+  assert.strictEqual(isTrivialTurn('thanks everyone'), true);
+  assert.strictEqual(isTrivialTurn('hello there'), true);
+});
+
+test('empty or punctuation-only input is trivial', () => {
+  assert.strictEqual(isTrivialTurn(''), true);
+  assert.strictEqual(isTrivialTurn('   '), true);
+  assert.strictEqual(isTrivialTurn('!!!'), true);
+  assert.strictEqual(isTrivialTurn(null), true);
+});
+
+test('real queries are NOT trivial — even short ones (the precision guarantee)', () => {
+  for (const m of ['what is the capital of France', 'France capital', 'capital of France?',
+                    'how do I configure Qdrant', 'One Piece', 'help me debug this',
+                    'what did we decide about the schema', 'morning routine ideas']) {
+    assert.strictEqual(isTrivialTurn(m), false, `"${m}" should be substantive`);
+  }
+});
+
+test('a greeting prefix does not make a substantive message trivial', () => {
+  // "good morning, can you help with X" carries a real request — must not be skipped
+  assert.strictEqual(isTrivialTurn('good morning, can you help me with the migration'), false);
+  assert.strictEqual(isTrivialTurn('hey, what is the One Piece'), false);
+});