vios_app 0.1.1

Small JSON vaults: Argon2id + AES-GCM, with optional AAD binding.
Documentation 
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import streamlit as st
import json
from datetime import datetime

st.set_page_config(page_title="Vault Index Viewer", layout="wide")
st.title("🔍 Vault Index Viewer")

# Load JSON
try:
    with open("vault_index.json", "r") as f:
        index = json.load(f)
except FileNotFoundError:
    st.error("vault_index.json not found. Run `cargo run --bin vault_indexer` first.")
    st.stop()

# Sidebar filters
st.sidebar.header("Filter Vaults")
emotion_filter = st.sidebar.text_input("Emotion contains...", "")
min_congruence = st.sidebar.slider("Minimum congruence score", 0.0, 1.0, 0.7)
start_date = st.sidebar.date_input("Start date", None)
end_date = st.sidebar.date_input("End date", None)

# Filter logic
def vault_matches(entry):
    try:
        if emotion_filter.lower() not in entry["emotion"].lower():
            return False
        if float(entry["congruence_score"]) < min_congruence:
            return False
        ts = datetime.fromisoformat(entry["timestamp"])
        if start_date and ts.date() < start_date:
            return False
        if end_date and ts.date() > end_date:
            return False
        return True
    except:
        return False

# Display results
matches = [v for v in index if vault_matches(v)]

st.success(f"🔎 {len(matches)} matching Vaults found")
for v in matches:
    st.json(v)