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system prompt backend

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This commit is contained in:
Storme-bit
2026-04-19 02:32:38 -07:00
parent 9c903a56ae
commit a0154e15e6
4 changed files with 25 additions and 27 deletions
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4
packages/memory-service/src/db/index.js
View File

@@ -34,6 +34,10 @@ function getDB() {
db.exec(`ALTER TABLE projects ADD COLUMN notes TEXT`); // ← add this
} catch {}
try {
db.exec(`ALTER TABLE projects ADD COLUMN system_prompt TEXT`);
} catch {}
// Sync FTS index with any existing episodes data
db.exec(`INSERT OR REPLACE INTO episodes_fts(rowid, user_message, ai_response)
SELECT id, user_message, ai_response FROM episodes`);

38
packages/orchestration-service/src/chat/index.js
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@@ -4,10 +4,9 @@ const embedding = require("../services/embedding");
const qdrant = require("../services/qdrant");
const { ORCHESTRATION } = require("@nexusai/shared");
const appSettings = require("../config/settings");
const { SYSTEM_PROMPT } = ORCHESTRATION;
function buildPrompt(recentEpisodes, semanticEpisodes, entities, userMessage) {
const parts = [SYSTEM_PROMPT];
function buildPrompt(recentEpisodes, semanticEpisodes, entities, userMessage, systemPrompt) {
const parts = [systemPrompt ?? ORCHESTRATION.SYSTEM_PROMPT];
if (entities.length > 0) {
parts.push(
@@ -126,30 +125,21 @@ async function getRelevantEntities(userMessage, projectId=null) {
}
async function chat(externalId, userMessage, options = {}) {
const { recentEpisodeLimit, semanticLimit, scoreThreshold, temperature, repeatPenalty, topP, topK} =
const { recentEpisodeLimit, semanticLimit, scoreThreshold, temperature, repeatPenalty, topP, topK, systemPrompt} =
appSettings.load();
// 1. Resolve or create session
let session = await memory.getSessionByExternalId(externalId);
if (!session) session = await memory.createSession(externalId);
let projectSessionIds = null;
let activeSystemPrompt = systemPrompt ?? ORCHESTRATION.SYSTEM_PROMPT;
if (session.project_id) {
try {
const project = await memory.getProject(session.project_id);
if (project) {
const projectSessions = await memory.getProjectSessions(
session.project_id,
);
const projectSessions = await memory.getProjectSessions(session.project_id);
if (project?.system_prompt) activeSystemPrompt = project.system_prompt;
projectSessionIds = projectSessions.map((s) => s.id);
if (project.isolated === 1) {
console.log(
`[orchestration] Isolated project — restricting to ${projectSessionIds.length} sessions`,
);
} else {
console.log(
`[orchestration] Non-isolated project — expanding search to ${projectSessionIds.length} sessions`,
);
}
}
} catch (err) {
console.warn(
@@ -184,6 +174,7 @@ async function chat(externalId, userMessage, options = {}) {
semanticEpisodes,
entities,
userMessage,
activeSystemPrompt,
);
// 5. Run inference
@@ -218,11 +209,12 @@ async function chat(externalId, userMessage, options = {}) {
async function chatStream(externalId, userMessage, onChunk, options = {}) {
try {
const { recentEpisodeLimit, semanticLimit, scoreThreshold, temperature, repeatPenalty, topP, topK } = appSettings.load();
const { recentEpisodeLimit, semanticLimit, scoreThreshold, temperature, repeatPenalty, topP, topK, systemPrompt } = appSettings.load();
let session = await memory.getSessionByExternalId(externalId);
if (!session) session = await memory.createSession(externalId);
let projectSessionIds = null;
let activeSystemPrompt = systemPrompt ?? ORCHESTRATION.SYSTEM_PROMPT;
if (session.project_id) {
try {
const project = await memory.getProject(session.project_id);
@@ -231,16 +223,9 @@ async function chatStream(externalId, userMessage, onChunk, options = {}) {
session.project_id,
);
projectSessionIds = projectSessions.map((s) => s.id);
if (project.isolated === 1) {
console.log(
`[orchestration] Isolated project — restricting to ${projectSessionIds.length} sessions`,
);
} else {
console.log(
`[orchestration] Non-isolated project — expanding search to ${projectSessionIds.length} sessions`,
);
}
if (project?.system_prompt) activeSystemPrompt = project.system_prompt;
}
} catch (err) {
console.warn(
"[orchestration] Failed to resolve project context:",
@@ -270,6 +255,7 @@ async function chatStream(externalId, userMessage, onChunk, options = {}) {
semanticEpisodes,
entities,
userMessage,
activeSystemPrompt,
);
const res = await inference.completeStream(prompt, {...options, temperature, repeatPenalty, topP, topK});

3
packages/orchestration-service/src/config/settings.js
View File

@@ -12,7 +12,8 @@ const DEFAULTS = {
temperature: INFERENCE_DEFAULTS.TEMPERATURE,
repeatPenalty: INFERENCE_DEFAULTS.REPEAT_PENALTY,
topP: INFERENCE_DEFAULTS.TOP_P,
topK: INFERENCE_DEFAULTS.TOP_K
topK: INFERENCE_DEFAULTS.TOP_K,
systemPrompt: ORCHESTRATION.SYSTEM_PROMPT,
};
function load() {

7
packages/orchestration-service/src/routes/settings.js
View File

@@ -73,6 +73,13 @@ if (req.body.topK !== undefined) {
updates.topK = val;
}
if (req.body.systemPrompt !== undefined) {
const val = req.body.systemPrompt;
if (typeof val !== 'string')
return res.status(400).json({ error: 'systemPrompt must be a string' });
updates.systemPrompt = val.trim() || null; // null reverts to default
}
res.json(settings.save(updates));
});