memory settings implementation

packages/chat-client/src/api/orchestration.js

@@ -173,3 +173,19 @@ export async function deleteEpisode(id) {
   const res = await fetch(`${BASE_URL}/episodes/${id}`, { method: 'DELETE' });
   if (!res.ok) throw new Error(`Failed to delete episode: ${res.status}`);
 }
+
+export async function getSettings() {
+  const res = await fetch(`${BASE_URL}/settings`);
+  if (!res.ok) throw new Error(`Failed to fetch settings: ${res.status}`);
+  return res.json();
+}
+
+export async function updateSettings(updates) {
+  const res = await fetch(`${BASE_URL}/settings`, {
+    method: 'PATCH',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(updates),
+  });
+  if (!res.ok) throw new Error(`Failed to update settings: ${res.status}`);
+  return res.json();
+}

packages/chat-client/src/components/SettingsView.jsx

@@ -1,17 +1,17 @@
-import React from 'react';
+import React, { useState, useEffect } from 'react';
+import { useSettings } from '../hooks/useSettings';
 
 export default function SettingsView({ onNavigate }) {
+  const { settings, saveSetting, saving } = useSettings();
+
   return (
     <div style={{ display: 'flex', flexDirection: 'column', flex: 1, overflow: 'hidden', background: 'var(--bg-base)' }}>
-
-      {/* Header */}
       <div className="panel-header" style={{ padding: '0 24px' }}>
         <span className="text-base" style={{ fontWeight: 500, color: 'var(--text-secondary)' }}>Settings</span>
       </div>
 
       <div className="flex-1 scroll-y" style={{ padding: '24px' }}>
 
-        {/* Memory */}
         <SettingsSection title="Memory">
           <SettingsRow
             label="Memory Viewer"
@@ -19,58 +19,45 @@ export default function SettingsView({ onNavigate }) {
             action={<button className="btn-primary" style={{ padding: '6px 14px', fontSize: '13px' }}
               onClick={() => onNavigate('memory')}>Open →</button>}
           />
-          <SettingsRow
+          <NumberSetting
-            label="Semantic Search Results"
+            label="Recent Episode Limit"
-            description="Max episodes retrieved per query"
-            action={<ComingSoon />}
-          />
-          <SettingsRow
-            label="Episode Context Window"
             description="Recent episodes injected into each prompt"
-            action={<ComingSoon />}
+            value={settings?.recentEpisodeLimit}
+            min={1} max={20}
+            onSave={val => saveSetting('recentEpisodeLimit', val)}
+            saving={saving}
+          />
+          <NumberSetting
+            label="Semantic Search Limit"
+            description="Max episodes retrieved via vector search per query"
+            value={settings?.semanticLimit}
+            min={1} max={20}
+            onSave={val => saveSetting('semanticLimit', val)}
+            saving={saving}
+          />
+          <NumberSetting
+            label="Score Threshold"
+            description="Minimum similarity score for semantic results (0–1)"
+            value={settings?.scoreThreshold}
+            min={0} max={1} step={0.05}
+            onSave={val => saveSetting('scoreThreshold', val)}
+            saving={saving}
           />
         </SettingsSection>
 
-        {/* Models */}
         <SettingsSection title="Models">
-          <SettingsRow
+          <SettingsRow label="Active Model" description="Model used for inference" action={<ComingSoon />} />
-            label="Active Model"
+          <SettingsRow label="Temperature" description="Response creativity / randomness" action={<ComingSoon />} />
-            description="Model used for inference"
+          <SettingsRow label="Context Window" description="Max tokens per request (-c flag)" action={<ComingSoon />} />
-            action={<ComingSoon />}
-          />
-          <SettingsRow
-            label="Temperature"
-            description="Response creativity / randomness"
-            action={<ComingSoon />}
-          />
-          <SettingsRow
-            label="Context Window"
-            description="Max tokens per request (-c flag)"
-            action={<ComingSoon />}
-          />
         </SettingsSection>
 
-        {/* About */}
         <SettingsSection title="About">
-          <SettingsRow
+          <SettingsRow label="Service Health" description="Ping all four services" action={<ComingSoon />} />
-            label="Service Health"
+          <SettingsRow label="Version" description="NexusAI" action={<span className="text-sm text-muted">v0.1.0</span>} />
-            description="Ping all four services"
-            action={<ComingSoon />}
-          />
-          <SettingsRow
-            label="Version"
-            description="NexusAI"
-            action={<span className="text-sm text-muted">v0.1.0</span>}
-          />
         </SettingsSection>
 
-        {/* Appearance */}
         <SettingsSection title="Appearance">
-          <SettingsRow
+          <SettingsRow label="Theme" description="UI colour scheme" action={<ComingSoon />} />
-            label="Theme"
-            description="UI colour scheme"
-            action={<ComingSoon />}
-          />
         </SettingsSection>
 
       </div>
@@ -96,6 +83,49 @@ function SettingsSection({ title, children }) {
   );
 }
 
+function NumberSetting({ label, description, value, min, max, step = 1, onSave, saving }) {
+  const [local, setLocal] = useState(value ?? '');
+  const isDirty = local !== '' && Number(local) !== value;
+
+  // Sync when settings load from API
+  useEffect(() => {
+    if (value !== undefined) setLocal(value);
+  }, [value]);
+
+  return (
+    <SettingsRow
+      label={label}
+      description={description}
+      action={
+        <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
+          <input
+            type="number"
+            value={local}
+            min={min} max={max} step={step}
+            onChange={e => setLocal(e.target.value)}
+            style={{
+              width: '64px', padding: '5px 8px', textAlign: 'center',
+              background: 'var(--bg-elevated)', border: '1px solid var(--border)',
+              borderRadius: 'var(--radius-md)', color: 'var(--text-primary)',
+              fontSize: '13px', outline: 'none',
+            }}
+          />
+          {isDirty && (
+            <button
+              className="btn-primary"
+              style={{ padding: '5px 10px', fontSize: '12px' }}
+              disabled={saving}
+              onClick={() => onSave(Number(local))}
+            >
+              Save
+            </button>
+          )}
+        </div>
+      }
+    />
+  );
+}
+
 function SettingsRow({ label, description, action }) {
   return (
     <div style={{

packages/chat-client/src/hooks/useSettings.js

@@ -0,0 +1,25 @@
+import { useState, useEffect } from 'react';
+import { getSettings, updateSettings } from '../api/orchestration';
+
+export function useSettings() {
+  const [settings, setSettings] = useState(null);
+  const [saving, setSaving] = useState(false);
+
+  useEffect(() => {
+    getSettings().then(setSettings).catch(console.error);
+  }, []);
+
+  async function saveSetting(key, value) {
+    setSaving(true);
+    try {
+      const updated = await updateSettings({ [key]: value });
+      setSettings(updated);
+    } catch (err) {
+      console.error('[useSettings] Save failed:', err.message);
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  return { settings, saveSetting, saving };
+}