add dev override and web layer

src/web.py

@@ -0,0 +1,60 @@
+"""
+web.py — huizenbot web interface
+Single route: query SQLite, SSR listings into index.html template.
+"""
+import json
+import sqlite3
+import os
+from flask import Flask, render_template, g
+
+DB_PATH = os.environ.get("DB_PATH", "/data/huizenbot.db")
+
+app = Flask(__name__)
+
+
+def get_db():
+    if "db" not in g:
+        conn = sqlite3.connect(DB_PATH)
+        conn.row_factory = sqlite3.Row
+        g.db = conn
+    return g.db
+
+
+@app.teardown_appcontext
+def close_db(e=None):
+    db = g.pop("db", None)
+    if db is not None:
+        db.close()
+
+
+@app.route("/")
+def index():
+    conn = get_db()
+    rows = conn.execute("""
+        SELECT
+            id, url, source_makelaar, first_seen, last_seen, datum_aanmelding,
+            status, adres, postcode, stad,
+            prijs, woningtype, woonoppervlak, perceeloppervlak,
+            kamers, slaapkamers, bouwjaar, energielabel,
+            hero_image_url,
+            fiets_mark, fiets_michelle, ov_mark, ov_michelle,
+            extra
+        FROM woningen
+        WHERE status = 'beschikbaar'
+        ORDER BY first_seen DESC
+    """).fetchall()
+
+    listings = []
+    for row in rows:
+        d = dict(row)
+        try:
+            d["extra"] = json.loads(d["extra"]) if d["extra"] else {}
+        except Exception:
+            d["extra"] = {}
+        listings.append(d)
+
+    return render_template("src/views/index.html", listings_json=json.dumps(listings, ensure_ascii=False))
+
+
+if __name__ == "__main__":
+    app.run(debug=True, host="0.0.0.0", port=5000)