chore: initial project skeleton

Acauã: Network Detection & Threat Hunting, heuristic analysis over a
rolling 7-day window using deterministic math (time series, graph
theory, information theory) instead of opaque ML models. Third
product in the Ciberfauna ecosystem, alongside Guará and Sabiá.

Follows the ecosystem's established conventions: OpenWolf project
memory, bilingual PT-BR/EN docs and UI, Gitea Actions CI/CD on the
same self-hosted runners, Conventional Commits, SemVer, logo and
productName handling, MIT OR Apache-2.0 licensing.

Architecture decision (made with the project owner after a dedicated
consultation, not the original blueprint's suggested stack): Rust
throughout, not Python/FastAPI/React. Most of the statistics (Bowley
skew, MADM, Shannon entropy, PCR, Z-score, novel-edge detection,
pivot chains) reduces to SQL over an embedded DuckDB/Parquet store;
only the spectral analysis and graph centrality need host-language
code, and both have workable Rust crates. Documented in full, including
six corrections to the original blueprint's math (Rayleigh/Schuster
instead of a degenerate Lomb-Scargle over bare timestamps, an explicit
sentinel for Bowley skew's Q3=Q1 case, Jensen-Shannon instead of
unbounded KL, a dedicated long-connection detector, JA4 vs. JA4+
licensing caution, deterministic per-alert evidence), in
docs/architecture.md.

Skeleton only: crates/acaua-core has the four detection pillars,
fusion, storage, zeek log parsing and the updater as typed stubs that
compile and return a clear "skeleton" status rather than real
detection logic — that is separate, future work. crates/acaua-cli has
serve/analyze/doctor/update. apps/gui is a minimal Tauri shell. Also
already includes the one-click desktop self-update mechanism shared
with Guará and Sabiá (AppImage/.deb/Windows installer), even with no
release published yet, for consistency across the ecosystem.

No Gitea repository exists for this project yet; this is a local-only
commit.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VAyr8d7HuAdUGB6aA5xmDD
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Lucas RayanandClaude Sonnet 5 committed 2026-10-31 10:20:03 -03:00
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:root {
color-scheme: dark;
--bg: #071018;
--bg-2: #0b1722;
--panel: rgba(15, 30, 43, 0.78);
--panel-solid: #0f1e2b;
--line: rgba(148, 188, 205, 0.18);
--line-strong: rgba(148, 188, 205, 0.34);
--text: #e8f2f4;
--muted: #8fa8b3;
--accent: #45d6b0;
--accent-2: #f0b35b;
--danger: #f27878;
--shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
--radius: 16px;
--mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
--sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}
html[data-theme="light"] {
color-scheme: light;
--bg: #eef4f3;
--bg-2: #e2ece9;
--panel: rgba(255, 255, 255, 0.84);
--panel-solid: #ffffff;
--line: rgba(20, 58, 64, 0.14);
--line-strong: rgba(20, 58, 64, 0.28);
--text: #10262b;
--muted: #5d7479;
--accent: #087f68;
--accent-2: #a05b09;
--danger: #b42323;
--shadow: 0 20px 50px rgba(20, 58, 64, 0.12);
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
margin: 0;
font-family: var(--sans);
color: var(--text);
background:
radial-gradient(900px 520px at 12% -8%, rgba(69, 214, 176, 0.15), transparent 60%),
radial-gradient(760px 480px at 95% 0%, rgba(240, 179, 91, 0.12), transparent 58%),
linear-gradient(150deg, var(--bg), var(--bg-2));
background-attachment: fixed;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, p { margin: 0; }
.app {
display: grid;
grid-template-columns: 286px minmax(0, 1fr);
min-height: 100vh;
}
.sidebar {
display: flex;
flex-direction: column;
gap: 22px;
padding: 28px 22px;
border-right: 1px solid var(--line);
background: linear-gradient(180deg, rgba(8, 19, 28, 0.72), rgba(8, 19, 28, 0.36));
backdrop-filter: blur(18px);
position: sticky;
top: 0;
height: 100vh;
}
html[data-theme="light"] .sidebar {
background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.4));
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 46px; height: 46px; object-fit: contain; filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.25)); }
.brand strong { display: block; font-size: 1.18rem; letter-spacing: 0.01em; }
.brand small { display: block; color: var(--muted); font-size: 0.78rem; margin-top: 2px; }
.side-title {
color: var(--muted);
font-size: 0.7rem;
letter-spacing: 0.16em;
text-transform: uppercase;
}
.nav { display: grid; gap: 6px; }
.nav-item {
display: flex;
align-items: center;
gap: 12px;
width: 100%;
padding: 11px 12px;
border: 1px solid transparent;
border-radius: 12px;
background: transparent;
text-align: left;
color: var(--muted);
transition: 160ms ease;
}
.nav-item:hover { border-color: var(--line); background: rgba(69, 214, 176, 0.06); color: var(--text); }
.nav-item.active { border-color: var(--line-strong); background: rgba(69, 214, 176, 0.1); color: var(--text); }
.nav-icon { width: 20px; color: var(--accent); text-align: center; }
.nav-label { display: block; font-size: 0.92rem; font-weight: 600; }
.nav-sub { display: block; font-size: 0.72rem; color: var(--muted); margin-top: 2px; }
.side-foot { margin-top: auto; display: grid; gap: 12px; }
.status-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pill {
display: inline-flex;
align-items: center;
gap: 7px;
padding: 5px 9px;
border: 1px solid var(--line);
border-radius: 999px;
font-size: 0.72rem;
color: var(--text);
background: rgba(255, 255, 255, 0.03);
}
.pill.muted { color: var(--muted); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.pill.offline .dot { background: var(--danger); box-shadow: 0 0 12px var(--danger); }
.mono { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
.main { padding: 38px clamp(22px, 4vw, 56px) 42px; min-width: 0; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.eyebrow { color: var(--accent); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 8px; }
h1 { font-size: clamp(1.9rem, 3.3vw, 3.1rem); line-height: 1.04; letter-spacing: -0.035em; }
.sub { color: var(--muted); margin-top: 10px; font-size: 0.98rem; }
h2 { font-size: 1.08rem; letter-spacing: -0.01em; }
.icon-btn {
display: inline-grid;
place-items: center;
width: 40px;
height: 40px;
border: 1px solid var(--line);
border-radius: 12px;
background: var(--panel);
color: var(--text);
font-size: 1.05rem;
}
.icon-btn:hover { border-color: var(--line-strong); }
.notice {
display: flex;
gap: 10px;
align-items: baseline;
padding: 14px 16px;
margin-bottom: 14px;
border: 1px solid var(--line);
border-radius: 12px;
background: var(--panel);
color: var(--muted);
font-size: 0.86rem;
line-height: 1.5;
}
.notice strong { color: var(--text); white-space: nowrap; }
.notice-warn { border-color: rgba(240, 179, 91, 0.34); background: rgba(240, 179, 91, 0.07); }
.pillars {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 14px;
margin: 24px 0;
}
.card {
display: flex;
flex-direction: column;
gap: 9px;
min-height: 178px;
padding: 20px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: linear-gradient(160deg, var(--panel), rgba(15, 30, 43, 0.36));
box-shadow: var(--shadow);
}
html[data-theme="light"] .card { background: linear-gradient(160deg, var(--panel), rgba(255, 255, 255, 0.5)); }
.card-kicker { color: var(--accent); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; }
.card h2 { font-size: 1.02rem; }
.card p { color: var(--muted); font-size: 0.83rem; line-height: 1.5; }
.tag { margin-top: auto; align-self: flex-start; color: var(--accent-2); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.panel {
margin-top: 16px;
padding: 22px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: var(--panel);
box-shadow: var(--shadow);
scroll-margin-top: 20px;
}
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.hint { color: var(--muted); font-size: 0.84rem; line-height: 1.5; margin-top: 5px; }
.field-row { display: flex; align-items: flex-end; gap: 10px; }
.field { display: grid; gap: 7px; flex: 1; }
.field > span { color: var(--muted); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; }
input, select {
width: 100%;
padding: 10px 12px;
border: 1px solid var(--line-strong);
border-radius: 10px;
background: rgba(0, 0, 0, 0.16);
outline: none;
}
html[data-theme="light"] input, html[data-theme="light"] select { background: rgba(255, 255, 255, 0.7); }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(69, 214, 176, 0.12); }
.btn {
padding: 10px 14px;
border: 1px solid var(--line-strong);
border-radius: 10px;
background: rgba(255, 255, 255, 0.04);
color: var(--text);
font-size: 0.84rem;
font-weight: 600;
white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #06211b; }
.btn.primary:hover { filter: brightness(1.06); }
.btn:disabled { opacity: 0.5; cursor: progress; }
.link-btn { border: 0; background: transparent; color: var(--accent); font-size: 0.75rem; padding: 0; }
.link-btn:hover { text-decoration: underline; }
.output {
min-height: 92px;
margin: 16px 0 0;
padding: 14px;
overflow: auto;
border: 1px solid var(--line);
border-radius: 10px;
background: rgba(0, 0, 0, 0.2);
color: var(--muted);
font-family: var(--mono);
font-size: 0.76rem;
line-height: 1.55;
white-space: pre-wrap;
}
html[data-theme="light"] .output { background: rgba(20, 58, 64, 0.04); }
.alert-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.alert-list li {
padding: 12px 14px;
border: 1px solid var(--line);
border-radius: 10px;
background: rgba(255, 255, 255, 0.02);
font-size: 0.84rem;
}
.alert-list .empty { color: var(--muted); border-style: dashed; }
.alert-meta { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.alert-meta strong { font-size: 0.78rem; color: var(--accent-2); }
.alert-summary { color: var(--muted); line-height: 1.5; }
.foot {
display: flex;
justify-content: space-between;
gap: 16px;
margin-top: 26px;
color: var(--muted);
font-size: 0.74rem;
}
dialog {
width: min(460px, calc(100vw - 32px));
padding: 22px;
border: 1px solid var(--line-strong);
border-radius: var(--radius);
background: var(--panel-solid);
color: var(--text);
box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(2, 8, 12, 0.62); backdrop-filter: blur(3px); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
dialog .field { margin-bottom: 14px; }
dialog menu { display: flex; justify-content: flex-end; gap: 8px; margin: 20px 0 0; padding: 0; }
.segmented { display: flex; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 10px; }
.segmented button { flex: 1; padding: 7px 8px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font-size: 0.78rem; }
.segmented button.active { background: rgba(69, 214, 176, 0.16); color: var(--text); }
@media (max-width: 1120px) {
.pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
.app { grid-template-columns: 1fr; }
.sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
.nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.side-foot { margin-top: 0; }
.main { padding-top: 26px; }
}
@media (max-width: 560px) {
.pillars { grid-template-columns: 1fr; }
.field-row { flex-direction: column; align-items: stretch; }
.notice { flex-direction: column; gap: 4px; }
.panel-head { flex-direction: column; }
.foot { flex-direction: column; }
}