Add web GUI plus auto posterior labeling

gui/.dockerignore

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+__pycache__
+**/__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+.git
+.gitignore
+.env
+*.env
+*.log
+
+# Don't copy local Julia depot into the image — it gets rebuilt during build
+julia_depot/
+
+# Editor / OS noise
+.DS_Store
+*.swp
+*.swo
+.vscode/
+.idea/
+
+# Test / notebook artefacts
+*.ipynb
+.ipynb_checkpoints/
+htmlcov/
+.coverage

gui/Dockerfile

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+# ── Stage 1: build ───────────────────────────────────────────────────────────
+FROM python:3.11-slim AS base
+
+# System tools needed to compile Python extensions and download Julia
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    wget ca-certificates git gcc g++ make \
+    && rm -rf /var/lib/apt/lists/*
+
+# ── Install Julia ─────────────────────────────────────────────────────────────
+ARG JULIA_VERSION=1.10.3
+RUN wget -qO /tmp/julia.tar.gz \
+    "https://julialang-s3.julialang.org/bin/linux/x64/1.10/julia-${JULIA_VERSION}-linux-x86_64.tar.gz" \
+    && mkdir -p /opt/julia \
+    && tar -xzf /tmp/julia.tar.gz -C /opt/julia --strip-components=1 \
+    && ln -s /opt/julia/bin/julia /usr/local/bin/julia \
+    && rm /tmp/julia.tar.gz
+
+# Julia stores downloaded packages and precompiled .ji files here.
+# Putting it outside /app means it survives COPY . . and can be a named volume.
+ENV JULIA_DEPOT_PATH=/julia_depot
+RUN mkdir -p /julia_depot
+
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+# ── Python dependencies ───────────────────────────────────────────────────────
+# Copy only requirements first so pip layer is cached on code-only changes
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# ── App source ────────────────────────────────────────────────────────────────
+COPY . .
+
+# ── Pre-install and precompile Julia packages ─────────────────────────────────
+# Running this during build bakes the compiled .ji files into the image so
+# container startup is fast (~5 s) instead of requiring a 5-10 min cold-compile.
+RUN python3 -c "\
+import autoeis as ae; \
+import numpy as np; \
+print('AutoEIS + Julia packages installed and precompiled.')"
+
+EXPOSE 8050
+
+CMD ["gunicorn", "-c", "gunicorn_conf.py", "app:server"]

gui/app.py

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+import dash
+from dash import Dash, dcc, html
+import dash_bootstrap_components as dbc
+
+app = Dash(
+    __name__,
+    use_pages=True,
+    external_stylesheets=[dbc.themes.BOOTSTRAP, dbc.icons.FONT_AWESOME],
+    suppress_callback_exceptions=True,
+    title="AutoEIS GUI",
+)
+
+STEPS = [
+    ("① Data", "/"),
+    ("② Mode", "/mode"),
+    ("③ Fitting", "/fitting"),
+    ("④ Results", "/results"),
+]
+
+navbar = dbc.Navbar(
+    dbc.Container(
+        [
+            dbc.NavbarBrand(
+                html.Span(
+                    [html.I(className="fa fa-bolt me-2 text-warning"), "AutoEIS GUI"],
+                    className="fw-bold fs-5",
+                )
+            ),
+            dbc.Nav(
+                [
+                    dbc.NavItem(dbc.NavLink(label, href=href, active="exact", className="fw-semibold"))
+                    for label, href in STEPS
+                ],
+                className="ms-auto gap-1",
+                navbar=True,
+            ),
+        ],
+        fluid=True,
+    ),
+    color="dark",
+    dark=True,
+    sticky="top",
+    className="mb-4 shadow",
+)
+
+app.layout = html.Div(
+    [
+        # Shared state stores — all in app layout so they survive page navigation
+        dcc.Store(id="store-data", storage_type="memory"),
+        dcc.Store(id="store-mode", storage_type="memory"),
+        dcc.Store(id="store-task-id", storage_type="memory"),
+        dcc.Store(id="store-results", storage_type="memory"),
+        # Data-page stores (moved here so data page state survives navigation)
+        dcc.Store(id="store-raw", storage_type="memory"),
+        dcc.Store(id="store-deleted", data=[]),
+        dcc.Store(id="store-pending-delete", data=[]),
+        dcc.Store(id="store-df-cols", storage_type="memory"),
+        navbar,
+        dbc.Container(dash.page_container, fluid=True, className="pb-5"),
+    ]
+)
+
+server = app.server  # expose for gunicorn/deployment
+
+if __name__ == "__main__":
+    app.run(debug=True, host="0.0.0.0", port=8050)

gui/assets/style.css

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+/* AutoEIS GUI – custom styles */
+
+body {
+    background-color: #f8f9fa;
+    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
+}
+
+/* Navbar brand */
+.navbar-brand {
+    font-size: 1.3rem;
+}
+
+/* Card hover effect for Quick Mode selection */
+[id^="{"type":"quick-card"]:hover {
+    border-color: #0d6efd !important;
+    box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.25);
+    transition: border-color 0.15s ease, box-shadow 0.15s ease;
+}
+
+/* DataTable tweaks */
+.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner td {
+    font-family: "Courier New", monospace;
+}
+
+/* Plotly chart border */
+.js-plotly-plot {
+    border-radius: 4px;
+}
+
+/* Progress bar label */
+#progress-stage {
+    font-size: 0.9rem;
+}
+
+/* Summary badges spacing */
+.badge {
+    font-size: 0.78rem;
+}
+
+/* Collapse card header button */
+#pp-toggle {
+    text-decoration: none;
+    font-size: 1rem;
+}
+#pp-toggle:focus {
+    box-shadow: none;
+}

gui/docker-compose.yml

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+version: "3.9"
+
+services:
+  autoeis:
+    build: .
+    ports:
+      - "8050:8050"
+    environment:
+      - PORT=8050
+      - MAX_CONCURRENT_TASKS=3   # cap simultaneous analyses
+      - LOG_LEVEL=info
+    restart: unless-stopped
+    # Persist the Julia depot so a re-deploy doesn't re-precompile from scratch
+    volumes:
+      - julia_depot:/julia_depot
+
+  # Optional nginx reverse proxy with HTTPS.
+  # Remove this block if you're using a cloud platform (Fly, Railway, Render)
+  # that handles SSL termination for you.
+  nginx:
+    image: nginx:1.25-alpine
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
+      - ./nginx/certs:/etc/nginx/certs:ro   # put your SSL certs here
+    depends_on:
+      - autoeis
+    restart: unless-stopped
+    profiles:
+      - with-nginx   # run with: docker compose --profile with-nginx up
+
+volumes:
+  julia_depot: