diff --git a/apps/observer-kb/index.html b/apps/observer-kb/index.html
index 34f1170..1aba707 100644
--- a/apps/observer-kb/index.html
+++ b/apps/observer-kb/index.html
@@ -5,174 +5,290 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Observer KB</title>
 <style>
-:root{--bg:#0a0a0f;--surface:#12121a;--border:#2a2a3a;--text:#e0e0e8;--dim:#888898;--accent:#6c5ce7;--success:#00d2a0;--error:#ff6b6b;--mono:'JetBrains Mono','Fira Code',monospace}
-*{margin:0;padding:0;box-sizing:border-box}
-body{font-family:var(--mono);background:var(--bg);color:var(--text);font-size:13px;min-height:100vh}
-.app{max-width:1100px;margin:0 auto;padding:24px}
-header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--border);margin-bottom:24px}
-header h1{font-size:20px;color:var(--accent)}
-.stats{font-size:11px;color:var(--dim)}
-.tabs{display:flex;gap:2px;margin-bottom:24px}
-.tab{background:none;border:none;color:var(--dim);font-family:var(--mono);font-size:13px;padding:10px 20px;cursor:pointer;border-bottom:2px solid transparent}
-.tab:hover{color:var(--text)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
-.upload-zone{border:2px dashed var(--border);border-radius:12px;padding:48px 24px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:24px}
-.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:rgba(108,92,231,.05)}
-.upload-zone h3{font-size:16px;margin-bottom:8px}
-.upload-zone p{color:var(--dim);font-size:12px}
-.file-list{display:flex;flex-direction:column;gap:8px}
-.file-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px 18px;display:grid;grid-template-columns:1fr 100px 120px;align-items:center;gap:12px}
-.file-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
-.file-size{color:var(--dim);font-size:11px;text-align:right}
-.file-status{font-size:11px;text-align:right}
-.uploading{color:var(--accent)}.done{color:var(--success)}.failed{color:var(--error)}
-.progress-bar{height:3px;background:var(--border);border-radius:2px;margin-top:6px;grid-column:1/-1}
-.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s}
-.search-bar{display:flex;gap:8px;margin-bottom:20px}
-.search-bar input{flex:1;background:var(--surface);border:2px solid var(--border);color:var(--text);font-family:var(--mono);font-size:14px;padding:12px 16px;border-radius:8px;outline:none}
-.search-bar input:focus{border-color:var(--accent)}
-.btn{background:var(--accent);color:white;border:none;padding:10px 20px;border-radius:6px;font-family:var(--mono);font-size:13px;cursor:pointer;font-weight:600}
-.btn:hover{opacity:.9}
-.ds-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:8px;cursor:pointer;transition:all .15s}
-.ds-item:hover{border-color:var(--accent)}
-.ds-title{font-weight:600;font-size:14px;margin-bottom:4px}
-.ds-meta{font-size:11px;color:var(--dim)}
+:root{--bg:#0a0a0f;--s1:#12121a;--s2:#1a1a28;--b:#2a2a3a;--t:#e0e0e8;--d:#888898;--a:#6c5ce7;--a2:#4a3db8;--ok:#00d2a0;--err:#ff6b6b;--user:#2d5aa0;--ai:#1a8a5a;--f:'JetBrains Mono','Fira Code',monospace}
+*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--f);background:var(--bg);color:var(--t);font-size:13px}
+.app{display:grid;grid-template-columns:280px 1fr;grid-template-rows:52px 1fr;height:100vh;overflow:hidden}
+.header{grid-column:1/-1;display:flex;align-items:center;padding:0 20px;background:var(--s1);border-bottom:1px solid var(--b);gap:20px}
+.header h1{font-size:18px;color:var(--a);letter-spacing:.08em}
+.tabs{display:flex;gap:2px}.tab{background:none;border:none;color:var(--d);font-family:var(--f);font-size:12px;padding:8px 16px;cursor:pointer;border-bottom:2px solid transparent}
+.tab:hover{color:var(--t)}.tab.active{color:var(--a);border-bottom-color:var(--a)}
+.hdr-stats{margin-left:auto;font-size:11px;color:var(--d)}
+
+/* Sidebar */
+.sidebar{background:var(--s1);border-right:1px solid var(--b);overflow-y:auto;padding:8px}
+.conv-btn{display:block;width:100%;text-align:left;background:none;border:1px solid transparent;color:var(--t);font-family:var(--f);font-size:12px;padding:10px 12px;border-radius:6px;cursor:pointer;margin-bottom:4px}
+.conv-btn:hover{border-color:var(--b);background:var(--s2)}
+.conv-btn.active{border-color:var(--a);background:rgba(108,92,231,.1)}
+.conv-btn .name{font-weight:600;margin-bottom:2px}.conv-btn .meta{font-size:10px;color:var(--d)}
+
+/* Main area */
+.main{overflow:hidden;display:flex;flex-direction:column}
+
+/* Chat view */
+.chat-area{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}
+.msg{max-width:85%;padding:12px 16px;border-radius:12px;font-size:12px;line-height:1.7;white-space:pre-wrap;word-wrap:break-word}
+.msg.user{background:var(--user);align-self:flex-end;border-bottom-right-radius:4px;color:#e8eef8}
+.msg.assistant,.msg.ai{background:var(--ai);align-self:flex-start;border-bottom-left-radius:4px;color:#e0f5ec}
+.msg.page{background:var(--s2);align-self:flex-start;border-left:3px solid var(--a);color:var(--t)}
+.msg-role{font-size:9px;text-transform:uppercase;letter-spacing:.1em;opacity:.7;margin-bottom:4px}
+.msg-page{font-size:9px;color:var(--d);margin-top:4px}
+
+/* Search panel */
+.search-panel{padding:20px;overflow-y:auto}
+.search-row{display:flex;gap:8px;margin-bottom:16px}
+.search-row input{flex:1;background:var(--s1);border:2px solid var(--b);color:var(--t);font-family:var(--f);font-size:14px;padding:12px 16px;border-radius:8px;outline:none}
+.search-row input:focus{border-color:var(--a)}
+.btn{background:var(--a);color:white;border:none;padding:10px 20px;border-radius:6px;font-family:var(--f);font-size:12px;cursor:pointer;font-weight:600}
+.btn:hover{opacity:.9}.btn:disabled{opacity:.5}
+.btn-sm{padding:6px 12px;font-size:11px}
+.btn-save{background:var(--ok)}
+
+.result{background:var(--s2);border:1px solid var(--b);border-radius:8px;padding:14px;margin-bottom:8px;border-left:3px solid var(--a)}
+.result-score{font-size:10px;color:var(--a);margin-bottom:4px}
+.result-src{font-size:10px;color:var(--d)}
+.result-text{font-size:12px;line-height:1.6;margin:8px 0;color:var(--t)}
+.result-actions{display:flex;gap:6px;margin-top:8px}
+
+/* Ask AI panel */
+.ask-panel{padding:20px;overflow-y:auto}
+.ask-input{width:100%;background:var(--s1);border:2px solid var(--b);color:var(--t);font-family:var(--f);font-size:13px;padding:12px;border-radius:8px;resize:vertical;min-height:80px;outline:none;margin-bottom:8px}
+.ask-input:focus{border-color:var(--a)}
+.ai-response{background:var(--s2);border:1px solid var(--b);border-radius:8px;padding:16px;margin-top:12px;line-height:1.7;white-space:pre-wrap}
+.ai-meta{font-size:10px;color:var(--d);margin-top:8px}
+.sources{margin-top:12px;padding-top:12px;border-top:1px solid var(--b)}
+.sources h4{font-size:10px;color:var(--d);text-transform:uppercase;margin-bottom:8px}
+
+/* Heatmap */
+.heatmap{padding:20px;overflow-y:auto}
+.heatmap h2{font-size:14px;color:var(--d);margin-bottom:12px;text-transform:uppercase;letter-spacing:.08em}
+.heat-grid{display:flex;flex-wrap:wrap;gap:4px}
+.heat-cell{width:32px;height:32px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:9px;cursor:pointer;transition:transform .1s}
+.heat-cell:hover{transform:scale(1.3)}
+.heat-0{background:var(--s2);color:var(--d)}.heat-1{background:#1a2a3a;color:var(--a)}.heat-2{background:#2a3a5a;color:var(--a)}
+.heat-3{background:#3a4a7a;color:white}.heat-4{background:var(--a);color:white}
+
+/* Upload */
+.upload-zone{border:2px dashed var(--b);border-radius:12px;padding:40px;text-align:center;cursor:pointer;margin:20px}
+.upload-zone:hover{border-color:var(--a);background:rgba(108,92,231,.03)}
+.upload-zone h3{margin-bottom:6px}.upload-zone p{color:var(--d);font-size:11px}
+.file-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--b);font-size:12px}
+.done{color:var(--ok)}.failed{color:var(--err)}.uploading{color:var(--a)}
+
+.empty{color:var(--d);text-align:center;padding:40px;font-size:12px}
 .hidden{display:none}
-.empty{color:var(--dim);text-align:center;padding:32px}
-.result-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px;margin-bottom:8px;border-left:3px solid var(--accent)}
-.result-score{font-size:11px;color:var(--accent);margin-bottom:4px}
-.result-text{font-size:12px;line-height:1.6;color:var(--dim)}
-#output{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px;margin-top:16px;font-size:12px;line-height:1.6;max-height:500px;overflow-y:auto;white-space:pre-wrap}
+.saved-badge{display:inline-block;background:var(--ok);color:white;font-size:9px;padding:2px 6px;border-radius:3px;margin-left:6px}
 </style>
 </head>
 <body>
 <div class="app">
-<header><h1>OBSERVER KB</h1><div class="stats" id="stats">loading...</div></header>
+<div class="header">
+<h1>OBSERVER KB</h1>
 <div class="tabs">
-<button class="tab active" id="t-upload" onclick="showTab('upload')">Upload</button>
-<button class="tab" id="t-browse" onclick="showTab('browse')">Browse</button>
-<button class="tab" id="t-search" onclick="showTab('search')">Search</button>
+<button class="tab active" onclick="showView('chat')">Conversations</button>
+<button class="tab" onclick="showView('search')">Search</button>
+<button class="tab" onclick="showView('ask')">Ask AI</button>
+<button class="tab" onclick="showView('heatmap')">Map</button>
+<button class="tab" onclick="showView('upload')">Upload</button>
+</div>
+<div class="hdr-stats" id="stats"></div>
 </div>
 
-<div id="tab-upload">
-<div class="upload-zone" id="dropZone">
-<h3>Drop PDF files here</h3>
-<p>ChatGPT exports, Claude logs, any PDF — or click to browse</p>
-<input type="file" id="fileInput" multiple accept=".pdf,.txt,.csv,.json" style="display:none">
-</div>
-<div class="file-list" id="fileList"></div>
-</div>
+<div class="sidebar" id="sidebar"></div>
 
-<div id="tab-browse" class="hidden">
-<div id="dsList"></div>
-</div>
-
-<div id="tab-search" class="hidden">
-<div class="search-bar">
-<input type="text" id="searchInput" placeholder="Search across all knowledge..." />
-<button class="btn" id="searchBtn">Search</button>
-</div>
-<div id="searchResults"></div>
+<div class="main">
+<div id="v-chat" class="chat-area"><div class="empty">Select a conversation from the sidebar</div></div>
+<div id="v-search" class="search-panel hidden"></div>
+<div id="v-ask" class="ask-panel hidden"></div>
+<div id="v-heatmap" class="heatmap hidden"></div>
+<div id="v-upload" class="hidden" style="padding:20px"></div>
 </div>
 </div>
-
 <script>
 const API=`http://${location.hostname}:3100`;
 const $=id=>document.getElementById(id);
+let CONVS=[];let CUR=null;
 
-function showTab(n){
-document.querySelectorAll('[id^="tab-"]').forEach(t=>t.classList.add('hidden'));
-$('tab-'+n).classList.remove('hidden');
-document.querySelectorAll('.tab').forEach(t=>t.classList.remove('active'));
-$('t-'+n).classList.add('active');
-if(n==='browse')loadDatasets();
-}
-
-$('dropZone').onclick=()=>$('fileInput').click();
-$('dropZone').ondragover=e=>{e.preventDefault();$('dropZone').classList.add('dragover')};
-$('dropZone').ondragleave=()=>$('dropZone').classList.remove('dragover');
-$('dropZone').ondrop=e=>{e.preventDefault();$('dropZone').classList.remove('dragover');[...e.dataTransfer.files].forEach(uploadFile)};
-$('fileInput').onchange=e=>[...e.target.files].forEach(uploadFile);
-$('searchBtn').onclick=doSearch;
-$('searchInput').onkeydown=e=>{if(e.key==='Enter')doSearch()};
-
-function uploadFile(file){
-const id='f'+Date.now()+Math.random().toString(36).substr(2,5);
-const item=document.createElement('div');
-item.className='file-item';
-item.id=id;
-const nameDiv=document.createElement('div');nameDiv.className='file-name';nameDiv.textContent=file.name;
-const sizeDiv=document.createElement('div');sizeDiv.className='file-size';sizeDiv.textContent=(file.size/1024/1024).toFixed(1)+' MB';
-const statusDiv=document.createElement('div');statusDiv.className='file-status uploading';statusDiv.textContent='uploading...';
-const progBar=document.createElement('div');progBar.className='progress-bar';
-const progFill=document.createElement('div');progFill.className='progress-fill';progFill.style.width='0%';
-progBar.appendChild(progFill);
-item.append(nameDiv,sizeDiv,statusDiv,progBar);
-$('fileList').prepend(item);
-
-const fd=new FormData();fd.append('file',file);
-const xhr=new XMLHttpRequest();
-xhr.open('POST',API+'/ingest/file');
-xhr.upload.onprogress=e=>{if(e.lengthComputable){const p=Math.round(e.loaded/e.total*100);progFill.style.width=p+'%';statusDiv.textContent=p+'%'}};
-xhr.onload=()=>{
-if(xhr.status<300){statusDiv.className='file-status done';statusDiv.textContent='done';progFill.style.background='var(--success)';loadStats()}
-else{statusDiv.className='file-status failed';statusDiv.textContent='failed';progFill.style.background='var(--error)'}
-};
-xhr.onerror=()=>{statusDiv.className='file-status failed';statusDiv.textContent='error'};
-xhr.send(fd);
-}
-
-async function loadStats(){
-try{const r=await(await fetch(API+'/catalog/datasets')).json();$('stats').textContent=r.length+' datasets'}
-catch{$('stats').textContent='offline'}
-}
-
-async function loadDatasets(){
+// Init
+async function init(){
+const old=['call_log','placements','clients','threat_intel','timesheets','meta_runs','candidates','job_orders','lab_trials','users','email_log','new_candidates','schema_test_v1','schema_test_v2','stress_test_ingest','stress_ingest'];
 try{
 const ds=await(await fetch(API+'/catalog/datasets')).json();
-const el=$('dsList');el.textContent='';
-if(!ds.length){el.textContent='No data yet';return}
-ds.forEach(d=>{
-const item=document.createElement('div');item.className='ds-item';
-const title=document.createElement('div');title.className='ds-title';title.textContent=d.name;
-const meta=document.createElement('div');meta.className='ds-meta';
-meta.textContent=`${d.row_count||'?'} rows · ${d.objects.length} file(s) · ${(d.sensitivity||'unclassified')}`;
-item.append(title,meta);
-item.onclick=()=>previewDS(d.name);
-el.appendChild(item);
-});
-}catch(e){$('dsList').textContent='Error: '+e}
+CONVS=ds.filter(d=>!old.includes(d.name));
+$('stats').textContent=CONVS.length+' conversations · '+CONVS.reduce((s,d)=>(d.row_count||0)+s,0)+' pages';
+renderSidebar();
+}catch(e){$('stats').textContent='offline'}
 }
 
-async function previewDS(name){
-try{
-const r=await(await fetch(API+'/query/sql',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({sql:`SELECT * FROM ${name} LIMIT 20`})})).json();
-const el=$('dsList');el.textContent='';
-const btn=document.createElement('button');btn.className='btn';btn.textContent='Back';btn.onclick=loadDatasets;
-const pre=document.createElement('div');pre.id='output';
-pre.textContent=JSON.stringify(r.rows,null,2);
-el.append(btn,pre);
-}catch(e){alert(e)}
+function renderSidebar(){
+const sb=$('sidebar');sb.textContent='';
+CONVS.forEach(c=>{
+const b=document.createElement('button');b.className='conv-btn'+(CUR===c.name?' active':'');
+const n=document.createElement('div');n.className='name';n.textContent=c.name.replace(/_/g,' ');
+const m=document.createElement('div');m.className='meta';m.textContent=(c.row_count||'?')+' pages';
+b.append(n,m);b.onclick=()=>loadConv(c.name);sb.appendChild(b);
+});
 }
 
-async function doSearch(){
-const q=$('searchInput').value;if(!q)return;
-const el=$('searchResults');el.textContent='searching...';
-try{
-const r=await fetch(API+'/vectors/hnsw/search',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({index_name:'observer_kb',query:q,top_k:10})});
-if(r.ok){
-const d=await r.json();el.textContent='';
-d.results.forEach(hit=>{
-const item=document.createElement('div');item.className='result-item';
-const score=document.createElement('div');score.className='result-score';score.textContent=`[${hit.score.toFixed(3)}] ${hit.source} / ${hit.doc_id}`;
-const text=document.createElement('div');text.className='result-text';text.textContent=hit.chunk_text.substring(0,300);
-item.append(score,text);el.appendChild(item);
+function showView(v){
+['chat','search','ask','heatmap','upload'].forEach(id=>{
+$('v-'+id).classList.toggle('hidden',id!==v);
 });
-if(!d.results.length)el.textContent='No results';
-}else{el.textContent='Vector index not built yet — upload PDFs first'}
+document.querySelectorAll('.tab').forEach((t,i)=>t.classList.toggle('active',['chat','search','ask','heatmap','upload'][i]===v));
+if(v==='search')renderSearch();
+if(v==='ask')renderAsk();
+if(v==='heatmap')renderHeatmap();
+if(v==='upload')renderUpload();
+}
+
+// Chat view
+async function loadConv(name){
+CUR=name;renderSidebar();
+const el=$('v-chat');el.textContent='';
+el.scrollTop=0;
+try{
+const r=await(await fetch(API+'/query/sql',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({sql:`SELECT turn_number, role, content, page_number FROM ${name} ORDER BY turn_number`})})).json();
+r.rows.forEach(row=>{
+const msg=document.createElement('div');
+msg.className='msg '+(row.role||'page');
+const role=document.createElement('div');role.className='msg-role';
+role.textContent=(row.role==='user'?'You':(row.role==='assistant'?'ChatGPT':'Page '+row.turn_number));
+const content=document.createElement('div');
+content.textContent=(row.content||'').substring(0,2000);
+const pg=document.createElement('div');pg.className='msg-page';
+pg.textContent='page '+row.page_number;
+msg.append(role,content,pg);el.appendChild(msg);
+});
+if(!r.rows.length)el.textContent='No content';
 }catch(e){el.textContent='Error: '+e}
 }
 
-loadStats();
+// Search view
+function renderSearch(){
+const el=$('v-search');el.textContent='';
+const row=document.createElement('div');row.className='search-row';
+const input=document.createElement('input');input.placeholder='Search across all conversations...';input.id='sinput';
+const btn=document.createElement('button');btn.className='btn';btn.textContent='Search';
+btn.onclick=doSearch;input.onkeydown=e=>{if(e.key==='Enter')doSearch()};
+row.append(input,btn);
+const results=document.createElement('div');results.id='sresults';
+el.append(row,results);
+}
+
+async function doSearch(){
+const q=$('sinput').value;if(!q)return;
+const el=$('sresults');el.textContent='searching...';
+try{
+let r;
+try{r=await(await fetch(API+'/vectors/hnsw/search',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({index_name:'observer_kb',query:q,top_k:10})})).json()}
+catch{r=await(await fetch(API+'/vectors/search',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({index_name:'observer_kb',query:q,top_k:10})})).json()}
+el.textContent='';
+(r.results||[]).forEach(hit=>{
+const item=document.createElement('div');item.className='result';
+const score=document.createElement('div');score.className='result-score';score.textContent='['+hit.score.toFixed(3)+']';
+const src=document.createElement('div');src.className='result-src';src.textContent=hit.doc_id;
+const text=document.createElement('div');text.className='result-text';text.textContent=hit.chunk_text.substring(0,400);
+const actions=document.createElement('div');actions.className='result-actions';
+const saveBtn=document.createElement('button');saveBtn.className='btn btn-sm btn-save';saveBtn.textContent='Save to KB';
+saveBtn.onclick=()=>{saveToKB(hit);saveBtn.textContent='Saved';saveBtn.disabled=true};
+actions.appendChild(saveBtn);
+item.append(score,src,text,actions);el.appendChild(item);
+});
+if(!(r.results||[]).length){el.textContent='No results — try different terms'}
+}catch(e){el.textContent='Error: '+e}
+}
+
+async function saveToKB(hit){
+try{await fetch(API+'/journal/event',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({entity_type:'saved_finding',entity_id:hit.doc_id,action:'save',field:'content',new_value:hit.chunk_text.substring(0,500),actor:'user',source:'observer_search'})})}catch{}
+}
+
+// Ask AI view
+function renderAsk(){
+const el=$('v-ask');el.textContent='';
+const input=document.createElement('textarea');input.className='ask-input';input.id='ainput';
+input.placeholder='Ask a question about your conversations...';
+const btn=document.createElement('button');btn.className='btn';btn.textContent='Ask AI';btn.id='abtn';
+btn.onclick=doAsk;
+const resp=document.createElement('div');resp.id='aresponse';
+el.append(input,btn,resp);
+}
+
+async function doAsk(){
+const q=$('ainput').value;if(!q)return;
+$('abtn').disabled=true;$('abtn').textContent='thinking...';
+const el=$('aresponse');el.textContent='searching knowledge base...';
+try{
+const r=await(await fetch(API+'/vectors/rag',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({index_name:'observer_kb',question:q,top_k:5})})).json();
+el.textContent='';
+const resp=document.createElement('div');resp.className='ai-response';resp.textContent=r.answer;
+const meta=document.createElement('div');meta.className='ai-meta';meta.textContent='model: '+r.model+(r.tokens_generated?' · '+r.tokens_generated+' tokens':'');
+const sources=document.createElement('div');sources.className='sources';
+const h4=document.createElement('h4');h4.textContent='Sources';sources.appendChild(h4);
+(r.sources||[]).forEach(s=>{
+const item=document.createElement('div');item.className='result';item.style.marginBottom='6px';
+const sc=document.createElement('div');sc.className='result-score';sc.textContent='['+s.score.toFixed(3)+'] '+s.doc_id;
+const tx=document.createElement('div');tx.className='result-text';tx.textContent=s.chunk_text.substring(0,200);
+item.append(sc,tx);sources.appendChild(item);
+});
+const saveBtn=document.createElement('button');saveBtn.className='btn btn-sm btn-save';saveBtn.textContent='Save Answer';saveBtn.style.marginTop='12px';
+saveBtn.onclick=()=>{saveToKB({doc_id:'ai_answer',chunk_text:q+'\n\n'+r.answer});saveBtn.textContent='Saved';saveBtn.disabled=true};
+el.append(resp,meta,sources,saveBtn);
+}catch(e){el.textContent='Error: '+e}
+$('abtn').disabled=false;$('abtn').textContent='Ask AI';
+}
+
+// Heatmap view
+function renderHeatmap(){
+const el=$('v-heatmap');el.textContent='';
+const h2=document.createElement('h2');h2.textContent='Knowledge Map';
+const desc=document.createElement('p');desc.style.cssText='color:var(--d);font-size:11px;margin-bottom:16px';
+desc.textContent='Size = pages extracted. Click to open conversation.';
+el.append(h2,desc);
+
+const grid=document.createElement('div');grid.style.cssText='display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px';
+CONVS.forEach(c=>{
+const card=document.createElement('div');
+const pages=c.row_count||0;
+const level=pages>100?4:pages>50?3:pages>20?2:pages>5?1:0;
+card.className='heat-cell';
+card.style.cssText=`width:auto;height:auto;padding:16px;border-radius:8px;cursor:pointer;background:var(--s2);border:2px solid ${level>=3?'var(--a)':level>=2?'var(--b)':'transparent'}`;
+const name=document.createElement('div');name.style.cssText='font-weight:600;font-size:13px;margin-bottom:4px';name.textContent=c.name.replace(/_/g,' ');
+const meta=document.createElement('div');meta.style.cssText='font-size:11px;color:var(--d)';meta.textContent=pages+' pages';
+const bar=document.createElement('div');bar.style.cssText=`height:4px;background:var(--a);border-radius:2px;margin-top:8px;width:${Math.min(100,pages)}%`;
+card.append(name,meta,bar);
+card.onclick=()=>{showView('chat');loadConv(c.name)};
+grid.appendChild(card);
+});
+el.appendChild(grid);
+}
+
+// Upload view
+function renderUpload(){
+const el=$('v-upload');el.textContent='';
+const zone=document.createElement('div');zone.className='upload-zone';
+zone.onclick=()=>{const i=document.createElement('input');i.type='file';i.multiple=true;i.accept='.pdf,.txt,.csv,.json';i.onchange=e=>[...e.target.files].forEach(uploadFile);i.click()};
+zone.ondragover=e=>{e.preventDefault();zone.style.borderColor='var(--a)'};
+zone.ondragleave=()=>zone.style.borderColor='';
+zone.ondrop=e=>{e.preventDefault();zone.style.borderColor='';[...e.dataTransfer.files].forEach(uploadFile)};
+const h3=document.createElement('h3');h3.textContent='Drop files here or click to browse';
+const p=document.createElement('p');p.textContent='PDF, CSV, JSON, Text';
+zone.append(h3,p);
+const list=document.createElement('div');list.id='ulist';
+el.append(zone,list);
+}
+
+function uploadFile(file){
+const item=document.createElement('div');item.className='file-item';
+const name=document.createElement('span');name.textContent=file.name;
+const status=document.createElement('span');status.className='uploading';status.textContent='uploading...';
+item.append(name,status);$('ulist').prepend(item);
+const fd=new FormData();fd.append('file',file);
+const xhr=new XMLHttpRequest();xhr.open('POST',API+'/ingest/file');
+xhr.onload=()=>{status.className=xhr.status<300?'done':'failed';status.textContent=xhr.status<300?'done':'failed';init()};
+xhr.onerror=()=>{status.className='failed';status.textContent='error'};
+xhr.send(fd);
+}
+
+init();
 </script>
 </body>
 </html>