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#!/usr/bin/env python
"""Feedback Analyzer — paste or upload customer feedback in bulk and get, per item:
sentiment + intent + confidence + a reason + the evidence phrase — plus a rollup
(sentiment/intent mix + top themes) and a downloadable labeled CSV.
Reliability: ONE Claude call with forced tool-use returns the whole batch as
schema-valid JSON (Ollama fallback uses constrained JSON decoding).
pip install flask requests anthropic
python app.py # http://127.0.0.1:8500
Project #5 of the "30 Projects in 15 Days" challenge — GritAI.
"""
import os, io, csv, json
from flask import Flask, request, jsonify, Response
PORT = int(os.environ.get("PORT", "8500"))
ANTHROPIC_KEY = os.environ.get("ANTHROPIC_API_KEY")
ANTHROPIC_MODEL = os.environ.get("ANTHROPIC_MODEL", "claude-sonnet-5")
OLLAMA_URL = os.environ.get("OLLAMA_URL", "http://127.0.0.1:11434")
OLLAMA_MODEL = os.environ.get("OLLAMA_MODEL", "qwen2.5:7b")
PRESET_INTENTS = ["praise", "complaint", "question", "suggestion", "other"]
MAX_ROWS = 40
TEXT_COLS = ("text", "review", "comment", "feedback", "message", "body", "content", "response")
def analysis_schema(labels):
intents = labels + ["other"] if labels else PRESET_INTENTS
item = {"type": "object", "properties": {
"index": {"type": "integer"},
"sentiment": {"type": "string", "enum": ["positive", "negative", "neutral", "mixed"]},
"intent": {"type": "string", "enum": intents},
"confidence": {"type": "number"},
"reason": {"type": "string"},
"evidence": {"type": "string"}},
"required": ["index", "sentiment", "intent", "confidence", "reason", "evidence"]}
return {"type": "object", "properties": {
"results": {"type": "array", "items": item},
"themes": {"type": "array", "items": {"type": "string"}}},
"required": ["results", "themes"]}
def analyze_batch(rows, labels):
schema = analysis_schema(labels)
numbered = "\n".join(f"[{i}] {t[:400]}" for i, t in enumerate(rows))
sysp = ("You analyze customer feedback. For EACH numbered item return: sentiment (overall tone), "
"intent (its primary purpose), confidence (0-1, how sure you are), reason (one short sentence), "
"and evidence (the exact phrase from THAT item that supports your call). "
"Also return 'themes': the 3-6 most common themes across all items, short noun phrases, most frequent first. "
"Base everything only on the text; never invent details.")
user = "Feedback items:\n" + numbered
if ANTHROPIC_KEY:
import anthropic
client = anthropic.Anthropic(api_key=ANTHROPIC_KEY)
r = client.messages.create(model=ANTHROPIC_MODEL, max_tokens=4096, system=sysp,
tools=[{"name": "report", "description": "Return the analysis.", "input_schema": schema}],
tool_choice={"type": "tool", "name": "report"},
messages=[{"role": "user", "content": user}])
for b in r.content:
if b.type == "tool_use":
return b.input
return {"results": [], "themes": []}
import requests
r = requests.post(f"{OLLAMA_URL}/api/chat", timeout=180, json={
"model": OLLAMA_MODEL, "stream": False, "format": schema,
"messages": [{"role": "system", "content": sysp}, {"role": "user", "content": user}],
"options": {"temperature": 0}})
r.raise_for_status()
return json.loads(r.json()["message"]["content"])
def parse_rows(raw, is_csv):
if is_csv:
rows = list(csv.reader(io.StringIO(raw)))
if not rows:
return []
low = [c.strip().lower() for c in rows[0]]
idx = next((i for i, h in enumerate(low) if h in TEXT_COLS), 0)
start = 1 if low[idx] in TEXT_COLS else 0 # skip header only if we recognized one
return [r[idx].strip() for r in rows[start:] if len(r) > idx and r[idx].strip()]
# paste mode: one item per line (predictable). Multi-paragraph reviews -> use CSV,
# where csv.reader correctly keeps quoted, newline-containing fields as one item.
return [l.strip() for l in raw.splitlines() if l.strip()]
app = Flask(__name__)
app.config["MAX_CONTENT_LENGTH"] = 5 * 1024 * 1024
@app.route("/")
def home():
return Response(PAGE, mimetype="text/html")
@app.route("/api/analyze", methods=["POST"])
def api_analyze():
b = request.get_json(force=True)
raw = (b.get("input") or "").strip()
is_csv = bool(b.get("is_csv"))
labels = [l.strip() for l in (b.get("labels") or "").split(",") if l.strip()]
rows = parse_rows(raw, is_csv)
if not rows:
return jsonify(error="No rows found. Paste one item per line, or upload a CSV with a text column."), 400
capped = rows[:MAX_ROWS]
try:
out = analyze_batch(capped, labels)
except Exception as e:
import sys; print("analyze error:", type(e).__name__, file=sys.stderr, flush=True)
return jsonify(error="Analysis failed — please try again."), 200
# attach original text, order by index, compute counts in code (deterministic)
by_idx = {r.get("index", i): r for i, r in enumerate(out.get("results", []))}
results, sent, intent = [], {}, {}
for i, t in enumerate(capped):
r = dict(by_idx.get(i, {"sentiment": "neutral", "intent": "other", "confidence": 0,
"reason": "", "evidence": ""}))
r["text"] = t
results.append(r)
sent[r.get("sentiment", "neutral")] = sent.get(r.get("sentiment", "neutral"), 0) + 1
intent[r.get("intent", "other")] = intent.get(r.get("intent", "other"), 0) + 1
return jsonify(results=results, themes=out.get("themes", []),
sentiment=sent, intent=intent, total=len(capped),
truncated=len(rows) > MAX_ROWS, original=len(rows))
PAGE = """<!doctype html><html lang="en"><head><meta charset="utf-8">
<title>Feedback Analyzer</title>
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap" rel="stylesheet">
<style>
/* ============================================================================
GRITAI DESIGN SYSTEM — "Engineered / Industrial"
Dark · grit-orange · Archivo + IBM Plex · blueprint grid + grain.
Canonical source of truth for every GritAI app (30-in-15 #1-30) + the hub.
Rob-approved 2026-09-05 (#9 pilot: design-critic 5.71 -> 7.57).
HOW TO USE: embed this <style> verbatim in an app's page, add the Google Fonts
<link> below, then build the body from the component classes here. Keep the
header (monogram + app name + tags), grit-orange as the ONLY accent, dark bg.
FONTS (add to <head>):
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap" rel="stylesheet">
============================================================================ */
:root{
--bg:#0a0b0e; --bg2:#0e1015; --panel:#111318; --panel2:#15181f;
--ink:#eef0f4; --dim:#9aa1b0; --dim2:#5f6675; --line:#20242e; --line2:#2b303c;
--grit:#ff5a2a; --grit2:#ff7d54; --grit-dim:#c9451f; --ok:#5fd08a; --bad:#ff6b6b;
--disp:'Archivo',system-ui,sans-serif; --body:'IBM Plex Sans',system-ui,sans-serif;
--mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6;
-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden}
/* blueprint grid + vignette */
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
background:linear-gradient(0deg,transparent 95%,rgba(255,90,42,.04) 100%),
repeating-linear-gradient(90deg,transparent 0 63px,rgba(255,255,255,.018) 63px 64px),
repeating-linear-gradient(0deg,transparent 0 63px,rgba(255,255,255,.018) 63px 64px),
radial-gradient(120% 80% at 50% -10%,#141821 0%,var(--bg) 55%)}
/* film grain */
body::after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{position:relative;z-index:1;max-width:960px;margin:0 auto;padding:0 28px 70px}
/* ---- header band (monogram SVG + wordmark + tags) ---- */
header{display:flex;align-items:center;gap:16px;padding:22px 0 18px;border-bottom:1px solid var(--line);animation:fade .6s .02s both}
.mark{width:38px;height:38px;flex:none}.mark svg{display:block}
.brand{display:flex;flex-direction:column;line-height:1}
.brand .co{font-family:var(--disp);font-weight:900;font-size:19px;letter-spacing:.5px}.brand .co b{color:var(--grit)}
.brand .sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--dim2);margin-top:5px}
.tags{margin-left:auto;display:flex;gap:8px}
.tag{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);border:1px solid var(--line2);border-radius:2px;padding:5px 9px}
.tag.hot{color:var(--grit);border-color:var(--grit-dim)}
/* canonical monogram SVG (paste in .mark):
<svg width="38" height="38" viewBox="0 0 38 38" fill="none"><rect x="1" y="1" width="36" height="36" rx="2" stroke="#2b303c"/><path d="M27 12.5A9 9 0 1 0 28 22H19" stroke="#ff5a2a" stroke-width="2.4" stroke-linecap="square"/><rect x="10.5" y="10.5" width="3" height="3" fill="#ff5a2a"/></svg> */
/* ---- hero ---- */
.hero{padding:34px 0 26px;animation:fade .6s .12s both}
.hero h1{font-family:var(--disp);font-weight:800;font-size:clamp(30px,5.4vw,52px);line-height:1.02;letter-spacing:-.02em;margin:0;max-width:16ch}
.hero h1 em{font-style:normal;color:var(--grit)}
.hero p{color:var(--dim);max-width:56ch;margin:16px 0 0;font-size:15.5px}
/* ---- section label (01 · NAME + rule) ---- */
.sec{display:flex;align-items:center;gap:14px;margin:30px 0 14px}
.sec .num{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--grit);letter-spacing:.1em}
.sec .name{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--dim)}
.sec .rule{flex:1;height:1px;background:linear-gradient(90deg,var(--line2),transparent)}
/* ---- panels ---- */
.panel{border:1px solid var(--line);border-radius:3px;background:linear-gradient(180deg,var(--panel),var(--bg2))}
.card{border:1px solid var(--line2);border-radius:3px;background:var(--panel);padding:18px 20px}
.card.accent{border-left:2px solid var(--grit)}
/* ---- input field (terminal) ---- */
.field{display:flex;align-items:stretch;border:1px solid var(--line2);border-radius:3px;background:var(--panel);overflow:hidden;transition:border-color .18s}
.field:focus-within{border-color:var(--grit-dim)}
.field .car{font-family:var(--mono);color:var(--grit);padding:16px 0 16px 16px;font-size:15px;user-select:none}
.field input,.field textarea{flex:1;background:transparent;border:0;outline:none;color:var(--ink);font-family:var(--body);font-size:15.5px;padding:16px 14px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--dim2)}
textarea.ta{width:100%;min-height:140px;border:1px solid var(--line2);border-radius:3px;background:var(--panel);color:var(--ink);font-family:var(--body);font-size:15px;padding:14px 16px;outline:none;resize:vertical}
textarea.ta:focus{border-color:var(--grit-dim)}
/* ---- buttons ---- */
.run{border:0;background:var(--grit);color:#140a06;font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;padding:0 24px;cursor:pointer;transition:.16s;box-shadow:-1px 0 0 var(--grit-dim)}
.run:hover{background:var(--grit2);box-shadow:0 0 26px -4px rgba(255,90,42,.55)}
.run:disabled{opacity:.55;cursor:default;box-shadow:none}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:3px;background:var(--grit);color:#140a06;font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;padding:12px 22px;cursor:pointer;transition:.16s}
.btn:hover{background:var(--grit2);box-shadow:0 0 26px -4px rgba(255,90,42,.55)}
.btn.ghost{background:transparent;color:var(--dim);border:1px solid var(--line2)}
.btn.ghost:hover{color:var(--grit);border-color:var(--grit-dim);background:transparent;box-shadow:none}
/* ---- chips / controls ---- */
.chip{font-family:var(--mono);font-size:12px;color:var(--dim);background:var(--panel);border:1px solid var(--line);border-radius:2px;padding:8px 11px;cursor:pointer;transition:.15s}
.chip:hover{color:var(--grit);border-color:var(--grit-dim)}
.chip .pt{color:var(--dim2);margin-right:7px}
select,.select{padding:10px 12px;border:1px solid var(--line2);border-radius:3px;background:var(--panel);color:var(--ink);font-family:var(--mono);font-size:13px;outline:none;cursor:pointer}
select:focus{border-color:var(--grit-dim)}
label.lbl{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.24em;color:var(--dim2);display:block;margin-bottom:6px}
/* ---- mono log / trace rows ---- */
.log{font-family:var(--mono);font-size:13px;line-height:1.75}
.row{display:grid;grid-template-columns:22px auto 1fr;gap:0 12px;padding:13px 18px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row .mk{color:var(--grit);font-weight:600}
.row .tn{color:var(--grit2);text-transform:uppercase;letter-spacing:.06em;font-weight:500}
.row .rd{color:var(--ink);word-break:break-word}.row .rd .arg{color:var(--dim2)}
/* ---- tables ---- */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--dim2);font-weight:500;padding:11px 14px;border-bottom:1px solid var(--line2);background:var(--bg2)}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
.tablewrap{border:1px solid var(--line);border-radius:3px;overflow:hidden;overflow-x:auto}
/* ---- chat bubbles ---- */
.msg{max-width:78%;padding:12px 15px;border-radius:3px;font-size:15px;line-height:1.55;margin-bottom:12px}
.msg.user{margin-left:auto;background:var(--panel2);border:1px solid var(--line2)}
.msg.bot{background:var(--panel);border:1px solid var(--line);border-left:2px solid var(--grit)}
/* ---- badges / pills ---- */
.badge{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.06em;padding:3px 9px;border-radius:2px;border:1px solid var(--line2);color:var(--dim)}
.badge.on{color:var(--grit);border-color:var(--grit-dim)}
.hl{color:var(--grit);font-weight:600;font-family:var(--mono)}
/* ---- answer/output prose ---- */
.prose{font-size:16px;line-height:1.65}.prose p{margin:0 0 12px}.prose p:last-child{margin-bottom:0}.prose b{color:var(--ink)}
/* ---- spinner ---- */
.spin{display:inline-flex;gap:6px;padding:16px 18px}.spin span{width:8px;height:8px;border-radius:50%;background:var(--grit);opacity:.5;animation:bd 1.2s infinite}
.spin span:nth-child(2){animation-delay:.18s}.spin span:nth-child(3){animation-delay:.36s}
/* ---- footer ---- */
footer{margin-top:34px;padding-top:16px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--dim2);display:flex;gap:16px;flex-wrap:wrap;animation:fade .6s .5s both}
footer .b{color:var(--dim)}footer .sp{margin-left:auto}
footer a{color:var(--dim);text-decoration:none}footer a:hover{color:var(--grit)}
/* ---- reveal animations ---- */
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes slidein{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:none}}
@keyframes bd{0%,60%,100%{transform:translateY(0);opacity:.35}30%{transform:translateY(-6px);opacity:1}}
.rvl{animation:fade .6s both}
/* ---- app-specific: feedback analyzer ---- */
.tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:14px}
#go{padding-top:14px;padding-bottom:14px;border-radius:3px}
.field.labelfield{flex:1;min-width:220px}
.out{display:none;margin-top:8px}.out.show{display:block}
.note{font-family:var(--mono);font-size:12px;color:var(--grit2);letter-spacing:.03em;margin:8px 2px 16px}
.roll{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:8px}
@media(max-width:640px){.roll{grid-template-columns:1fr}}
.roll h3{margin:0 0 12px;font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim2)}
.bar{display:flex;height:12px;border-radius:2px;overflow:hidden;margin-bottom:12px;background:var(--panel2);border:1px solid var(--line)}
.bar i{display:block;height:100%}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:12px;color:var(--dim)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.dot{width:9px;height:9px;border-radius:2px;display:inline-block}
.themes{margin:0;padding:0;list-style:none}
.themes li{font-family:var(--mono);font-size:13px;color:var(--ink);padding:6px 0 6px 18px;position:relative}
.themes li::before{content:"\\25B8";color:var(--grit);position:absolute;left:0}
.actions{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:6px 2px 14px}
.actions h2{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim2)}
table{min-width:680px}
td.txt{max-width:300px;color:var(--ink)}
.badge.b-positive{color:var(--ok);border-color:rgba(95,208,138,.45)}
.badge.b-negative{color:var(--bad);border-color:rgba(255,107,107,.45)}
.badge.b-neutral{color:var(--dim);border-color:var(--line2)}
.badge.b-mixed{color:var(--grit);border-color:var(--grit-dim)}
.intent{font-family:var(--mono);font-size:12.5px;color:var(--dim);text-transform:capitalize}
.conf{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--dim);font-size:12.5px}
.bar2{height:5px;background:var(--line);border-radius:2px;margin-top:5px;overflow:hidden}
.bar2 i{display:block;height:100%;background:var(--grit)}
.reason{color:var(--ink)}
.ev{color:var(--dim);font-style:italic}
</style></head>
<body><div class="wrap">
<header>
<div class="mark"><svg width="38" height="38" viewBox="0 0 38 38" fill="none"><rect x="1" y="1" width="36" height="36" rx="2" stroke="#2b303c"/><path d="M27 12.5A9 9 0 1 0 28 22H19" stroke="#ff5a2a" stroke-width="2.4" stroke-linecap="square"/><rect x="10.5" y="10.5" width="3" height="3" fill="#ff5a2a"/></svg></div>
<div class="brand"><span class="co">GRIT<b>AI</b></span><span class="sub">Feedback Analyzer</span></div>
<div class="tags"><span class="tag hot">&#9656; Live</span><span class="tag">SDVOSB</span><span class="tag">Lawton OK</span></div>
</header>
<section class="hero">
<h1>Every review, scored for <em>sentiment &amp; intent</em></h1>
<p>Paste or upload customer feedback in bulk — get per-item sentiment, intent, confidence, a reason, and the exact evidence phrase, plus a rollup and a downloadable labeled CSV.</p>
</section>
<div class="sec"><span class="num">01</span><span class="name">Feedback</span><span class="rule"></span></div>
<textarea id="src" class="ta" placeholder="Paste feedback — one item per line, or full reviews separated by a blank line. Or upload a CSV."></textarea>
<div class="tools">
<label class="btn ghost" for="csv">Upload CSV<input type="file" id="csv" accept=".csv,text/csv" style="display:none"></label>
<span class="chip" onclick="loadSample()">Load sample</span>
<div class="field labelfield"><span class="car">&rsaquo;</span><input id="labels" placeholder="Custom intent labels (optional, comma-separated)"></div>
<button class="run" id="go" onclick="run()">Analyze</button>
</div>
<div class="out" id="out">
<div id="note"></div>
<div class="sec"><span class="num">02</span><span class="name">Rollup</span><span class="rule"></span></div>
<div class="roll">
<div class="card"><h3>Sentiment</h3><div class="bar" id="sbar"></div><div class="legend" id="sleg"></div></div>
<div class="card"><h3>Top themes</h3><ul class="themes" id="themes"></ul></div>
</div>
<div class="sec"><span class="num">03</span><span class="name">Per-item results</span><span class="rule"></span></div>
<div class="actions"><h2>Labeled feedback</h2><button class="btn ghost" id="dl" onclick="download()">Download CSV</button></div>
<div class="tablewrap"><table id="tbl"><thead><tr>
<th>Feedback</th><th>Sentiment</th><th>Intent</th><th>Conf.</th><th>Reason</th><th>Evidence</th>
</tr></thead><tbody id="tbody"></tbody></table></div>
</div>
<footer>
<span class="b">One batched, schema-valid AI call</span>
<span>Counts computed in code</span>
<span class="sp">GRITAI SOLUTIONS · 30-in-15 №5</span>
</footer>
</div><script>
const SAMPLE=["The barista remembered my order — made my whole morning!",
"App keeps crashing every time I try to check out. Fix this.",
"Do you ship to Canada? Couldn't find it anywhere on the site.",
"Coffee was fine but the wait was 25 minutes. Way too long.",
"Absolutely love the new oat milk options, thank you!!",
"You should add a loyalty program, would keep me coming back.",
"Order arrived broken and no one has responded to my emails.",
"Great product, terrible packaging. Two stars.",
"Is the sale price going to come back? Missed it by a day.",
"Staff was rude and dismissive when I asked for help.",
"Best customer service I've had in years, genuinely impressed.",
"Website is confusing, took me forever to find the return policy."];
const $=id=>document.getElementById(id);
const src=$('src'),go=$('go'),out=$('out'),csv=$('csv'),labels=$('labels');
let isCsv=false,last=null;
const SC={positive:'var(--ok)',negative:'var(--bad)',neutral:'var(--dim)',mixed:'var(--grit)'};
function esc(s){return String(s==null?'':s).replace(/[&<>]/g,c=>({'&':'&amp;','<':'&lt;','>':'&gt;'}[c]));}
function loadSample(){src.value=SAMPLE.join("\\n");isCsv=false;run();}
csv.onchange=e=>{const f=e.target.files[0];if(!f)return;const r=new FileReader();
r.onload=()=>{src.value=r.result;isCsv=true;run();};r.readAsText(f);};
src.addEventListener('input',()=>{isCsv=false;});
function run(){if(go.disabled)return;const text=src.value.trim();if(!text){src.focus();return;}
go.disabled=true;go.textContent='Analyzing…';out.classList.add('show');
$('note').innerHTML='';$('tbody').innerHTML='';$('themes').innerHTML='';$('sbar').innerHTML='';$('sleg').innerHTML='';
$('tbody').innerHTML='<tr><td colspan="6"><span class="spin"><span></span><span></span><span></span></span></td></tr>';
fetch('/api/analyze',{method:'POST',headers:{'Content-Type':'application/json'},
body:JSON.stringify({input:text,is_csv:isCsv,labels:labels.value})})
.then(r=>r.json()).then(d=>{
if(d.error){$('tbody').innerHTML='<tr><td colspan="6">'+esc(d.error)+'</td></tr>';return;}
last=d;render(d);
}).catch(()=>{$('tbody').innerHTML='<tr><td colspan="6">Something went wrong — please try again.</td></tr>';})
.finally(()=>{go.disabled=false;go.textContent='Analyze';});
}
function render(d){
if(d.truncated)$('note').innerHTML='<div class="note">Showing the first '+d.total+' of '+d.original+' rows (per-run cap).</div>';
// sentiment bar
const order=['positive','neutral','mixed','negative'];const total=d.total||1;
$('sbar').innerHTML=order.filter(s=>d.sentiment[s]).map(s=>'<i style="width:'+(100*d.sentiment[s]/total)+'%;background:'+SC[s]+'"></i>').join('');
$('sleg').innerHTML=order.filter(s=>d.sentiment[s]).map(s=>'<span><span class="dot" style="background:'+SC[s]+'"></span>'+s+' '+d.sentiment[s]+'</span>').join('');
$('themes').innerHTML=(d.themes||[]).map(t=>'<li>'+esc(t)+'</li>').join('')||'<li style="color:var(--dim)">—</li>';
$('tbody').innerHTML=d.results.map(r=>{const c=Math.round((r.confidence||0)*100);
return '<tr><td class="txt">'+esc(r.text)+'</td>'+
'<td><span class="badge b-'+esc(r.sentiment)+'">'+esc(r.sentiment)+'</span></td>'+
'<td class="intent">'+esc(r.intent)+'</td>'+
'<td class="conf">'+c+'%<div class="bar2"><i style="width:'+c+'%"></i></div></td>'+
'<td class="reason">'+esc(r.reason)+'</td>'+
'<td class="ev">'+(r.evidence?'&ldquo;'+esc(r.evidence)+'&rdquo;':'')+'</td></tr>';}).join('');
}
function download(){if(!last)return;const cols=['text','sentiment','intent','confidence','reason','evidence'];
const q=s=>'"'+String(s==null?'':s).replace(/"/g,'""')+'"';
const rows=[cols.join(',')].concat(last.results.map(r=>cols.map(c=>q(r[c])).join(',')));
const blob=new Blob([rows.join("\\n")],{type:'text/csv'});const a=document.createElement('a');
a.href=URL.createObjectURL(blob);a.download='feedback_analyzed.csv';a.click();}
</script></body></html>"""
if __name__ == "__main__":
backend = "Claude API" if ANTHROPIC_KEY else f"Ollama ({OLLAMA_MODEL} @ {OLLAMA_URL})"
print(f"Feedback Analyzer on http://127.0.0.1:{PORT} [backend: {backend}]", flush=True)
app.run(host="0.0.0.0", port=PORT, threaded=True)