docs(claude): fix network architecture description to include name field

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

CLAUDE.md

@@ -46,6 +46,6 @@
 - Les ports peuvent avoir une description pour indiquer quel est le protocole le plus probable d'être utiliser sur ce port (ex: 22 - SSH, 53 - DNS, 80 - HTTP, 443 - HTTPS)
 - Un port peut être associé à une application, l'association n'est pas strict car un port peut être utilisé par plusieurs applications.
 - Une application possede un nom, un ou plusieurs ports.
-- Un réseaux et définit par son CIDR (ex: 192.168.1.0/24)
+- Un réseaux est définit par son nom et son CIDR (ex: 192.168.1.0/24)
 - L'application peut gérer plusieurs réseaux distinct.
 - Chaques hôtes doit appartenir au réseaux dans lequel il est définit.

Cargo.toml

@@ -91,6 +91,10 @@ site-root = "target/site"     # Dossier racine des fichiers compilés par trunk
 site-pkg-dir = "pkg"          # Sous-dossier des assets WASM/JS dans site-root
 site-addr = "127.0.0.1:3000"  # Adresse d'écoute du serveur Axum
 reload-port = 3001             # Port WebSocket pour le hot-reload en développement
+style-file = "style/rust-ipam.css"  # Source CSS compilé dans pkg/rust-ipam.css
+# Features activées par cargo-leptos lors du build
+bin-features = ["ssr"]        # SSR binary (Axum server)
+lib-features = ["hydrate"]    # WASM bundle (browser)
 
 # Profil de compilation WASM optimisé pour réduire la taille du fichier .wasm
 # Un fichier WASM plus petit = page qui charge plus vite

migrations/postgres/0007_add_network_name.sql

@@ -0,0 +1,3 @@
+-- Add a human-readable name to networks.
+-- DEFAULT '' allows the migration to run on databases that already have rows.
+ALTER TABLE networks ADD COLUMN name TEXT NOT NULL DEFAULT '';

migrations/sqlite/0007_add_network_name.sql

@@ -0,0 +1,3 @@
+-- Add a human-readable name to networks.
+-- DEFAULT '' allows the migration to run on databases that already have rows.
+ALTER TABLE networks ADD COLUMN name TEXT NOT NULL DEFAULT '';

seeds/postgres/dev_seed.sql

@@ -0,0 +1,62 @@
+-- dev_seed.sql (PostgreSQL) — development test data
+--
+-- Running this script is idempotent: existing rows are left untouched
+-- and missing rows are inserted.  Safe to run multiple times.
+--
+-- Load with: cargo run --features ssr --bin seed
+
+-- ── Networks ──────────────────────────────────────────────────────────────────
+
+INSERT INTO networks (name, cidr) VALUES
+    ('LAN',       '192.168.1.0/24'),
+    ('DMZ',       '192.168.10.0/24'),
+    ('Corporate', '10.0.0.0/8'),
+    ('VPN',       '172.16.0.0/16')
+ON CONFLICT (cidr) DO NOTHING;
+
+-- ── Hosts ─────────────────────────────────────────────────────────────────────
+
+-- LAN — 192.168.1.0/24
+INSERT INTO hosts (name, ip, network_id)
+SELECT name, ip, (SELECT id FROM networks WHERE cidr = '192.168.1.0/24')
+FROM (VALUES
+    ('gateway',        '192.168.1.1'),
+    ('workstation-01', '192.168.1.10'),
+    ('workstation-02', '192.168.1.11'),
+    ('workstation-03', '192.168.1.12'),
+    ('nas-01',         '192.168.1.20'),
+    ('printer-01',     '192.168.1.50')
+) AS t(name, ip)
+WHERE NOT EXISTS (SELECT 1 FROM hosts WHERE hosts.name = t.name AND hosts.ip = t.ip);
+
+-- DMZ — 192.168.10.0/24
+INSERT INTO hosts (name, ip, network_id)
+SELECT name, ip, (SELECT id FROM networks WHERE cidr = '192.168.10.0/24')
+FROM (VALUES
+    ('web-server-01',  '192.168.10.10'),
+    ('web-server-02',  '192.168.10.11'),
+    ('db-server-01',   '192.168.10.20'),
+    ('mail-server-01', '192.168.10.30')
+) AS t(name, ip)
+WHERE NOT EXISTS (SELECT 1 FROM hosts WHERE hosts.name = t.name AND hosts.ip = t.ip);
+
+-- Corporate backbone — 10.0.0.0/8
+INSERT INTO hosts (name, ip, network_id)
+SELECT name, ip, (SELECT id FROM networks WHERE cidr = '10.0.0.0/8')
+FROM (VALUES
+    ('core-switch-01',   '10.0.0.1'),
+    ('monitoring-01',    '10.0.1.10'),
+    ('backup-server-01', '10.0.1.20'),
+    ('log-server-01',    '10.0.1.30')
+) AS t(name, ip)
+WHERE NOT EXISTS (SELECT 1 FROM hosts WHERE hosts.name = t.name AND hosts.ip = t.ip);
+
+-- VPN — 172.16.0.0/16
+INSERT INTO hosts (name, ip, network_id)
+SELECT name, ip, (SELECT id FROM networks WHERE cidr = '172.16.0.0/16')
+FROM (VALUES
+    ('vpn-gateway-01', '172.16.0.1'),
+    ('vpn-client-01',  '172.16.1.10'),
+    ('vpn-client-02',  '172.16.1.11')
+) AS t(name, ip)
+WHERE NOT EXISTS (SELECT 1 FROM hosts WHERE hosts.name = t.name AND hosts.ip = t.ip);

seeds/sqlite/dev_seed.sql

@@ -0,0 +1,42 @@
+-- dev_seed.sql (SQLite) — development test data
+--
+-- Running this script is idempotent: existing rows are left untouched
+-- and missing rows are inserted.  Safe to run multiple times.
+--
+-- Load with: cargo run --features ssr --bin seed
+
+-- ── Networks ──────────────────────────────────────────────────────────────────
+
+INSERT OR IGNORE INTO networks (name, cidr) VALUES ('LAN',       '192.168.1.0/24');
+INSERT OR IGNORE INTO networks (name, cidr) VALUES ('DMZ',       '192.168.10.0/24');
+INSERT OR IGNORE INTO networks (name, cidr) VALUES ('Corporate', '10.0.0.0/8');
+INSERT OR IGNORE INTO networks (name, cidr) VALUES ('VPN',       '172.16.0.0/16');
+
+-- ── Hosts ─────────────────────────────────────────────────────────────────────
+-- Hosts have no UNIQUE constraint, so we guard each insert with WHERE NOT EXISTS.
+-- Network IDs are resolved by subquery on cidr for portability.
+
+-- LAN — 192.168.1.0/24
+INSERT INTO hosts (name, ip, network_id) SELECT 'gateway',        '192.168.1.1',   id FROM networks WHERE cidr = '192.168.1.0/24'  AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'gateway'        AND ip = '192.168.1.1');
+INSERT INTO hosts (name, ip, network_id) SELECT 'workstation-01', '192.168.1.10',  id FROM networks WHERE cidr = '192.168.1.0/24'  AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'workstation-01' AND ip = '192.168.1.10');
+INSERT INTO hosts (name, ip, network_id) SELECT 'workstation-02', '192.168.1.11',  id FROM networks WHERE cidr = '192.168.1.0/24'  AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'workstation-02' AND ip = '192.168.1.11');
+INSERT INTO hosts (name, ip, network_id) SELECT 'workstation-03', '192.168.1.12',  id FROM networks WHERE cidr = '192.168.1.0/24'  AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'workstation-03' AND ip = '192.168.1.12');
+INSERT INTO hosts (name, ip, network_id) SELECT 'nas-01',         '192.168.1.20',  id FROM networks WHERE cidr = '192.168.1.0/24'  AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'nas-01'         AND ip = '192.168.1.20');
+INSERT INTO hosts (name, ip, network_id) SELECT 'printer-01',     '192.168.1.50',  id FROM networks WHERE cidr = '192.168.1.0/24'  AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'printer-01'     AND ip = '192.168.1.50');
+
+-- DMZ — 192.168.10.0/24
+INSERT INTO hosts (name, ip, network_id) SELECT 'web-server-01',  '192.168.10.10', id FROM networks WHERE cidr = '192.168.10.0/24' AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'web-server-01'  AND ip = '192.168.10.10');
+INSERT INTO hosts (name, ip, network_id) SELECT 'web-server-02',  '192.168.10.11', id FROM networks WHERE cidr = '192.168.10.0/24' AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'web-server-02'  AND ip = '192.168.10.11');
+INSERT INTO hosts (name, ip, network_id) SELECT 'db-server-01',   '192.168.10.20', id FROM networks WHERE cidr = '192.168.10.0/24' AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'db-server-01'   AND ip = '192.168.10.20');
+INSERT INTO hosts (name, ip, network_id) SELECT 'mail-server-01', '192.168.10.30', id FROM networks WHERE cidr = '192.168.10.0/24' AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'mail-server-01' AND ip = '192.168.10.30');
+
+-- Corporate backbone — 10.0.0.0/8
+INSERT INTO hosts (name, ip, network_id) SELECT 'core-switch-01',   '10.0.0.1',   id FROM networks WHERE cidr = '10.0.0.0/8'       AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'core-switch-01'   AND ip = '10.0.0.1');
+INSERT INTO hosts (name, ip, network_id) SELECT 'monitoring-01',    '10.0.1.10',  id FROM networks WHERE cidr = '10.0.0.0/8'       AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'monitoring-01'    AND ip = '10.0.1.10');
+INSERT INTO hosts (name, ip, network_id) SELECT 'backup-server-01', '10.0.1.20',  id FROM networks WHERE cidr = '10.0.0.0/8'       AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'backup-server-01' AND ip = '10.0.1.20');
+INSERT INTO hosts (name, ip, network_id) SELECT 'log-server-01',    '10.0.1.30',  id FROM networks WHERE cidr = '10.0.0.0/8'       AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'log-server-01'    AND ip = '10.0.1.30');
+
+-- VPN — 172.16.0.0/16
+INSERT INTO hosts (name, ip, network_id) SELECT 'vpn-gateway-01', '172.16.0.1',  id FROM networks WHERE cidr = '172.16.0.0/16'    AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'vpn-gateway-01' AND ip = '172.16.0.1');
+INSERT INTO hosts (name, ip, network_id) SELECT 'vpn-client-01',  '172.16.1.10', id FROM networks WHERE cidr = '172.16.0.0/16'    AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'vpn-client-01'  AND ip = '172.16.1.10');
+INSERT INTO hosts (name, ip, network_id) SELECT 'vpn-client-02',  '172.16.1.11', id FROM networks WHERE cidr = '172.16.0.0/16'    AND NOT EXISTS (SELECT 1 FROM hosts WHERE name = 'vpn-client-02'  AND ip = '172.16.1.11');

src/api/networks.rs

@@ -8,9 +8,10 @@ use crate::models::Network;
 // Network row augmented with pre-computed counts.
 // Defined here (not in models.rs) because it is a presentation model
 // specific to the Networks page, not a pure domain entity.
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
 pub struct NetworkWithCounts {
     pub id: i64,
+    pub name: String,
     pub cidr: String,
     /// Number of hosts whose IP falls within this network's CIDR range.
     pub host_count: i64,
@@ -28,25 +29,15 @@ pub async fn get_networks() -> Result<Vec<Network>, ServerFnError> {
     use sqlx::AnyPool;
     use crate::server::repository::networks as repo;
 
-    // `use_context` retrieves a value previously registered with `provide_context`.
-    // The pool was injected in main.rs before every request.
-    // `ok_or_else` converts `None` into an error (defensive: should never happen).
     let pool = use_context::<AnyPool>()
         .ok_or_else(|| ServerFnError::new("Database pool not found in context"))?;
 
-    // Propagate any DB error as a ServerFnError so the client sees a clean message.
     repo::list_networks(&pool)
         .await
         .map_err(|e| ServerFnError::new(e.to_string()))
 }
 
 /// Returns all networks enriched with host and application counts.
-///
-/// A single SQL query fetches everything at once using correlated subqueries,
-/// avoiding N+1 round-trips regardless of the number of networks.
-///
-/// `application_count` = distinct applications whose registered ports appear
-/// among the ports open on hosts in each network (via host_ports → application_ports).
 #[server]
 pub async fn get_networks_with_counts() -> Result<Vec<NetworkWithCounts>, ServerFnError> {
     use sqlx::{AnyPool, Row};
@@ -57,6 +48,7 @@ pub async fn get_networks_with_counts() -> Result<Vec<NetworkWithCounts>, Server
     let rows = sqlx::query(
         "SELECT
             n.id,
+            n.name,
             n.cidr,
             (SELECT COUNT(*) FROM hosts WHERE network_id = n.id) AS host_count,
             (SELECT COUNT(DISTINCT ap.application_id)
@@ -75,6 +67,7 @@ pub async fn get_networks_with_counts() -> Result<Vec<NetworkWithCounts>, Server
         .into_iter()
         .map(|row| NetworkWithCounts {
             id:                row.get("id"),
+            name:              row.get("name"),
             cidr:              row.get("cidr"),
             host_count:        row.get("host_count"),
             application_count: row.get("application_count"),
@@ -86,23 +79,24 @@ pub async fn get_networks_with_counts() -> Result<Vec<NetworkWithCounts>, Server
 
 // ─── Mutations ────────────────────────────────────────────────────────────────
 
-/// Creates a new network with the given CIDR block.
+/// Creates a new network with the given name and CIDR block.
 ///
-/// Returns the created record (with its auto-generated id).
 /// Returns an error if the CIDR is malformed or already exists.
 #[server]
-pub async fn create_network(cidr: String) -> Result<Network, ServerFnError> {
+pub async fn create_network(name: String, cidr: String) -> Result<Network, ServerFnError> {
     use sqlx::AnyPool;
     use crate::server::{repository::networks as repo, validation::validate_cidr};
 
     let pool = use_context::<AnyPool>()
         .ok_or_else(|| ServerFnError::new("Database pool not found in context"))?;
 
-    // Validate the CIDR before touching the database.
-    // Example of a valid CIDR: "192.168.1.0/24"
+    if name.trim().is_empty() {
+        return Err(ServerFnError::new("Network name cannot be empty"));
+    }
+
     validate_cidr(&cidr).map_err(|e| ServerFnError::new(e.to_string()))?;
 
-    repo::create_network(&pool, &cidr)
+    repo::create_network(&pool, name.trim(), &cidr)
         .await
         .map_err(|e| ServerFnError::new(e.to_string()))
 }

src/bin/seed.rs

@@ -0,0 +1,89 @@
+// bin/seed.rs — Development seed loader
+//
+// Inserts a realistic set of networks and hosts into the database so the UI
+// can be tested without manual data entry.
+//
+// The seed is idempotent: running it multiple times never duplicates rows.
+//
+// Usage:
+//   cargo run --features ssr --bin seed
+//
+// The DATABASE_URL is read from the .env file (or environment variable),
+// exactly like the main server.
+
+#[tokio::main]
+async fn main() {
+    use rust_ipam::server::{
+        config::{AppConfig, DatabaseBackend},
+        db::{create_pool, run_migrations},
+    };
+
+    // Load .env so DATABASE_URL is available without exporting it manually.
+    // Errors are ignored: the variable may already be set in the environment.
+    let _ = dotenvy::dotenv();
+
+    tracing_subscriber::fmt()
+        .with_env_filter(
+            std::env::var("RUST_LOG").unwrap_or_else(|_| "info".to_string()),
+        )
+        .init();
+
+    let config = AppConfig::from_env()
+        .expect("Configuration error — check DATABASE_URL in your .env file");
+
+    tracing::info!("Connecting to {} ({})", config.backend, config.database_url);
+
+    let pool = create_pool(&config)
+        .await
+        .expect("Failed to connect to database");
+
+    run_migrations(&pool, &config.backend)
+        .await
+        .expect("Migration failed");
+
+    // Pick the seed file that matches the active backend.
+    // `include_str!` embeds the SQL at compile time so the binary is self-contained.
+    let sql = match config.backend {
+        DatabaseBackend::Sqlite   => include_str!("../../seeds/sqlite/dev_seed.sql"),
+        DatabaseBackend::Postgres => include_str!("../../seeds/postgres/dev_seed.sql"),
+    };
+
+    // Strip comment lines first, then split on ';'.
+    // sqlx does not support multiple statements in a single `query()` call.
+    // Without pre-stripping comments, a block like "-- section\nINSERT …"
+    // would start with "--" and get incorrectly discarded.
+    let sql_stripped: String = sql
+        .lines()
+        .filter(|line| !line.trim().starts_with("--"))
+        .collect::<Vec<_>>()
+        .join("\n");
+
+    let statements: Vec<String> = sql_stripped
+        .split(';')
+        .map(|s| s.trim().to_string())
+        .filter(|s| !s.is_empty())
+        .collect();
+
+    let total = statements.len();
+    for (i, stmt) in statements.iter().enumerate() {
+        sqlx::query(stmt)
+            .execute(&pool)
+            .await
+            .unwrap_or_else(|e| panic!("Statement {}/{} failed: {}\nSQL: {}", i + 1, total, e, stmt));
+    }
+
+    tracing::info!("Seed complete — {} statement(s) executed.", total);
+
+    // Count what was inserted so the operator can confirm at a glance.
+    let network_count: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM networks")
+        .fetch_one(&pool)
+        .await
+        .unwrap_or(0);
+
+    let host_count: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM hosts")
+        .fetch_one(&pool)
+        .await
+        .unwrap_or(0);
+
+    tracing::info!("Database now contains {} network(s) and {} host(s).", network_count, host_count);
+}

src/client/hosts.rs

@@ -74,7 +74,7 @@ fn AddHostModal(
                                 {move || networks_res.get()
                                     .and_then(|r| r.ok())
                                     .map(|nets| nets.into_iter().map(|n| {
-                                        view! { <option value=n.id.to_string()>{n.cidr}</option> }
+                                        view! { <option value=n.id.to_string()>{n.name}</option> }
                                     }).collect_view())
                                 }
                             </select>
@@ -137,7 +137,7 @@ fn FilterBar(
                         {move || networks_res.get()
                             .and_then(|r| r.ok())
                             .map(|nets| nets.into_iter().map(|n| {
-                                view! { <option value=n.id.to_string()>{n.cidr}</option> }
+                                view! { <option value=n.id.to_string()>{n.name}</option> }
                             }).collect_view())
                         }
                     </select>

src/client/networks.rs

@@ -1,41 +1,77 @@
 // client/networks.rs — Networks page
-//
-// Displays all CIDR networks managed by the IPAM and lets the user add or
-// delete them. All data operations go through Leptos server functions
-// (api/networks.rs), which run on the server and are called via HTTP
-// from the browser after hydration.
-//
-// Key Leptos 0.7 concepts used here:
-//   - `ServerAction<F>` : wraps a `#[server]` function for use with forms / buttons
-//   - `Resource::new`   : async data that re-fetches when its source signal changes
-//   - `action.version() : a Signal<usize> that increments after each dispatch,
-//                          used here as a dependency to trigger list re-fetches
-//   - `<ActionForm>`    : a form that submits to a ServerAction (no JS needed)
-//   - `<Suspense>`      : shows a fallback while the Resource is loading
 
 use leptos::prelude::*;
 use leptos::form::ActionForm;
 
-use crate::api::networks::{CreateNetwork, DeleteNetwork, get_networks_with_counts};
+use crate::api::networks::{CreateNetwork, DeleteNetwork, NetworkWithCounts, get_networks_with_counts};
+
+// ─── Delete confirmation modal ────────────────────────────────────────────────
+
+#[component]
+fn DeleteConfirmModal(
+    network: NetworkWithCounts,
+    delete_action: ServerAction<DeleteNetwork>,
+    pending_delete: RwSignal<Option<NetworkWithCounts>>,
+) -> impl IntoView {
+    let id = network.id;
+    let label = format!("{} ({})", network.name, network.cidr);
+    let host_count = network.host_count;
+
+    view! {
+        <div class="modal-backdrop" on:click=move |_| pending_delete.set(None)>
+            <div class="modal" on:click=move |e| e.stop_propagation()>
+                <div class="modal__header">
+                    <h2>"Delete network"</h2>
+                </div>
+
+                <div class="modal__body">
+                    <p>"Delete network " <strong>{label}</strong> "?"</p>
+                    {(host_count > 0).then(|| view! {
+                        <p class="warning">
+                            "Warning: "
+                            {host_count}
+                            {if host_count == 1 { " host" } else { " hosts" }}
+                            " belonging to this network will also be deleted."
+                        </p>
+                    })}
+                </div>
+
+                <div class="modal__actions">
+                    <button
+                        class="btn-secondary"
+                        type="button"
+                        on:click=move |_| pending_delete.set(None)
+                    >"Cancel"</button>
+                    <button
+                        class="btn-danger"
+                        type="button"
+                        on:click=move |_| {
+                            delete_action.dispatch(DeleteNetwork { id });
+                        }
+                    >"Delete"</button>
+                </div>
+            </div>
+        </div>
+    }.into_any()
+}
+
+// ─── Page ─────────────────────────────────────────────────────────────────────
 
 #[component]
 pub fn NetworksPage() -> impl IntoView {
-    // ── Actions ───────────────────────────────────────────────────────────────
-    //
-    // `ServerAction<F>` binds a `#[server]` function to a reactive action.
-    // Under the hood it posts to `/api/<fn-name>` and updates its signals
-    // (.pending(), .value(), .version()) when the call completes.
     let create_action = ServerAction::<CreateNetwork>::new();
     let delete_action = ServerAction::<DeleteNetwork>::new();
 
-    // ── Data resource ─────────────────────────────────────────────────────────
-    //
-    // `Resource::new(source, fetcher)`:
-    //   - source   : a closure whose return value Leptos tracks reactively
-    //   - fetcher  : an async closure called whenever the source changes
-    //
-    // By reading `.version()` from both actions, the list automatically
-    // re-fetches after any create or delete, keeping the view in sync.
+    // Stores the network pending deletion; Some = modal open, None = closed.
+    let pending_delete: RwSignal<Option<NetworkWithCounts>> = RwSignal::new(None);
+
+    // Close the modal automatically after a successful deletion.
+    Effect::new(move |_| {
+        if let Some(Ok(_)) = delete_action.value().get() {
+            pending_delete.set(None);
+        }
+    });
+
     let networks = Resource::new(
         move || (create_action.version().get(), delete_action.version().get()),
         |_| get_networks_with_counts(),
@@ -45,15 +81,28 @@ pub fn NetworksPage() -> impl IntoView {
         <div class="networks-page">
             <h1>"Networks"</h1>
 
+            // ── Delete confirmation modal ──────────────────────────────────────
+            {move || pending_delete.get().map(|network| view! {
+                <DeleteConfirmModal
+                    network=network
+                    delete_action=delete_action
+                    pending_delete=pending_delete
+                />
+            })}
+
             // ── Add form ──────────────────────────────────────────────────────
-            //
-            // `<ActionForm action=create_action>` submits the form to the server
-            // function registered in `create_action`. The `name` attribute on
-            // each input must match the parameter name in `create_network(cidr: String)`.
-            // After submission the form clears itself automatically.
             <section class="add-form">
                 <h2>"Add a network"</h2>
                 <ActionForm action=create_action>
+                    <label>
+                        "Name"
+                        <input
+                            type="text"
+                            name="name"
+                            placeholder="e.g. LAN, DMZ, VPN"
+                            required
+                        />
+                    </label>
                     <label>
                         "CIDR block"
                         <input
@@ -66,9 +115,6 @@ pub fn NetworksPage() -> impl IntoView {
                     <button type="submit">"Add"</button>
                 </ActionForm>
 
-                // Show the error from the last create attempt, if any.
-                // `action.value().get()` → Option<Result<Network, ServerFnError>>
-                // `.and_then(|r| r.err())` extracts the error when present.
                 {move || {
                     create_action
                         .value()
@@ -82,7 +128,6 @@ pub fn NetworksPage() -> impl IntoView {
             <section class="list">
                 <h2>"All networks"</h2>
 
-                // Show delete errors above the list.
                 {move || {
                     delete_action
                         .value()
@@ -91,12 +136,8 @@ pub fn NetworksPage() -> impl IntoView {
                         .map(|e| view! { <p class="error">"Delete failed: " {e.to_string()}</p> })
                 }}
 
-                // `<Suspense>` shows `fallback` while the Resource is loading,
-                // then switches to the children once data is available.
                 <Suspense fallback=|| view! { <p>"Loading networks…"</p> }>
                     {move || {
-                        // `networks.get()` → None while loading, Some(result) once done.
-                        // Returning None here keeps <Suspense> in its fallback state.
                         networks.get().map(|result| match result {
                             Err(e) => view! {
                                 <p class="error">"Could not load networks: " {e.to_string()}</p>
@@ -113,6 +154,7 @@ pub fn NetworksPage() -> impl IntoView {
                                     <table>
                                         <thead>
                                             <tr>
+                                                <th>"Name"</th>
                                                 <th>"CIDR"</th>
                                                 <th class="col-count">"Hosts"</th>
                                                 <th class="col-count">"Applications"</th>
@@ -123,16 +165,16 @@ pub fn NetworksPage() -> impl IntoView {
                                             {list
                                                 .into_iter()
                                                 .map(|network| {
-                                                    let id = network.id;
+                                                    let network_clone = network.clone();
                                                     view! {
                                                         <tr>
-                                                            <td>{network.cidr}</td>
+                                                            <td>{network.name}</td>
+                                                            <td class="cell-mono">{network.cidr}</td>
                                                             <td class="col-count">{network.host_count}</td>
                                                             <td class="col-count">{network.application_count}</td>
                                                             <td class="col-actions">
                                                                 <button on:click=move |_| {
-                                                                    delete_action
-                                                                        .dispatch(DeleteNetwork { id });
+                                                                    pending_delete.set(Some(network_clone.clone()));
                                                                 }>
                                                                     "Delete"
                                                                 </button>

src/client/theme.rs

@@ -71,7 +71,9 @@ impl ThemeChoice {
 // ─── DOM helpers (WASM only) ─────────────────────────────────────────────────
 
 // Reads the stored theme name from localStorage.
-#[cfg(target_arch = "wasm32")]
+// Guard on `hydrate` feature rather than `target_arch` because web-sys is
+// only activated by that feature in Cargo.toml.
+#[cfg(feature = "hydrate")]
 fn load_stored_theme() -> Option<ThemeChoice> {
     let storage = web_sys::window()?.local_storage().ok()??;
     let value = storage.get_item(STORAGE_KEY).ok()??;
@@ -79,7 +81,7 @@ fn load_stored_theme() -> Option<ThemeChoice> {
 }
 
 // Applies `data-theme` attribute to <html> and persists to localStorage.
-#[cfg(target_arch = "wasm32")]
+#[cfg(feature = "hydrate")]
 fn apply_and_persist(choice: &ThemeChoice) {
     let Some(window) = web_sys::window() else { return };
     let Some(document) = window.document() else { return };
@@ -108,7 +110,7 @@ pub fn ThemeToggle() -> impl IntoView {
     // Does NOT track `theme`, so it never re-runs after the initial mount.
     // Setting the signal here triggers Effect 2 below.
     Effect::new(move |_| {
-        #[cfg(target_arch = "wasm32")]
+        #[cfg(feature = "hydrate")]
         if let Some(stored) = load_stored_theme() {
             theme.set(stored);
         }
@@ -118,7 +120,7 @@ pub fn ThemeToggle() -> impl IntoView {
     // whenever the signal changes (both on init and after user clicks).
     Effect::new(move |_| {
         let current = theme.get(); // tracked — re-runs when theme changes
-        #[cfg(target_arch = "wasm32")]
+        #[cfg(feature = "hydrate")]
         apply_and_persist(&current);
         // Suppress unused variable warning when compiling for SSR
         let _ = current;

src/models.rs

@@ -28,6 +28,9 @@ pub struct Network {
     /// `i64` is a signed 64-bit integer — maps to `BIGINT` in SQL.
     pub id: i64,
 
+    /// Human-readable name. Examples: "LAN", "DMZ", "VPN"
+    pub name: String,
+
     /// Address range in CIDR notation.
     /// Examples: "10.0.0.0/8", "172.16.0.0/12", "192.168.1.0/24"
     pub cidr: String,

src/server/repository/networks.rs

@@ -11,7 +11,7 @@ use crate::server::db::DbError;
 pub async fn list_networks(pool: &AnyPool) -> Result<Vec<Network>, DbError> {
     // `fetch_all` runs the query and collects every row into a Vec.
     // It returns an error if the query fails; an empty table returns Ok(vec![]).
-    let rows = sqlx::query("SELECT id, cidr FROM networks ORDER BY id")
+    let rows = sqlx::query("SELECT id, name, cidr FROM networks ORDER BY id")
         .fetch_all(pool)
         .await?;
 
@@ -42,11 +42,14 @@ pub async fn find_network(pool: &AnyPool, id: i64) -> Result<Option<Network>, Db
 /// `RETURNING id, cidr` reads back the inserted row in a single round-trip,
 /// avoiding a separate SELECT after the INSERT.
 /// Requires SQLite ≥ 3.35 (2021) and any PostgreSQL version.
-pub async fn create_network(pool: &AnyPool, cidr: &str) -> Result<Network, DbError> {
-    let row = sqlx::query("INSERT INTO networks (cidr) VALUES ($1) RETURNING id, cidr")
-        .bind(cidr)
-        .fetch_one(pool) // exactly one row is returned by RETURNING
-        .await?;
+pub async fn create_network(pool: &AnyPool, name: &str, cidr: &str) -> Result<Network, DbError> {
+    let row = sqlx::query(
+        "INSERT INTO networks (name, cidr) VALUES ($1, $2) RETURNING id, name, cidr",
+    )
+    .bind(name)
+    .bind(cidr)
+    .fetch_one(pool)
+    .await?;
 
     Ok(row_to_network(&row))
 }
@@ -73,7 +76,8 @@ pub async fn delete_network(pool: &AnyPool, id: i64) -> Result<bool, DbError> {
 /// The type must implement `sqlx::Decode` for the `Any` backend.
 fn row_to_network(row: &sqlx::any::AnyRow) -> Network {
     Network {
-        id: row.get("id"),
+        id:   row.get("id"),
+        name: row.get("name"),
         cidr: row.get("cidr"),
     }
 }

style/rust-ipam.css

@@ -924,6 +924,23 @@ td.col-actions {
   background: var(--bg-hover);
 }
 
+.modal__body {
+  margin-bottom: var(--size-lg);
+}
+
+.modal__body p {
+  margin: 0 0 var(--size-sm);
+}
+
+.warning {
+  color: var(--color-warning, #b45309);
+  background: var(--color-warning-bg, #fef3c7);
+  border: 1px solid var(--color-warning-border, #fcd34d);
+  border-radius: var(--radius-sm);
+  padding: var(--size-sm) var(--size-md);
+  font-size: var(--font-sm);
+}
+
 /* Form fields inside modal — single column stack */
 .modal .add-form__fields {
   display: flex;