feat(traffic, users): enhance interface and peer management features

Added support for managing peer information in interface bindings, including new fields for peerPublicKey and peerName in the BoundIfaceTraffic interface. Updated the database schema to include these fields in user_interface_bindings and traffic_samples tables. Enhanced the UI components to display peer details alongside interface names, improving user experience and clarity in the traffic management system. Updated relevant functions and services to handle peer-specific logic, ensuring robust integration across the application.

backend/src/db/index.ts

@@ -106,6 +106,7 @@ CREATE TABLE IF NOT EXISTS traffic_samples (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   server_id INTEGER NOT NULL,
   interface_name TEXT NOT NULL,
+  peer_public_key TEXT NOT NULL DEFAULT '',
   sampled_at TEXT NOT NULL,
   rx_bytes INTEGER NOT NULL DEFAULT 0,
   tx_bytes INTEGER NOT NULL DEFAULT 0,
@@ -533,18 +534,80 @@ CREATE TABLE IF NOT EXISTS user_interface_bindings (
   server_id INTEGER NOT NULL,
   interface_name TEXT NOT NULL,
   interface_type TEXT NOT NULL DEFAULT 'other',
+  peer_public_key TEXT NOT NULL DEFAULT '',
+  peer_name TEXT NOT NULL DEFAULT '',
   comment TEXT NOT NULL DEFAULT '',
   created_at TEXT NOT NULL DEFAULT (datetime('now')),
   updated_at TEXT NOT NULL DEFAULT (datetime('now')),
   FOREIGN KEY (user_id) REFERENCES app_users(id) ON DELETE CASCADE,
   FOREIGN KEY (server_id) REFERENCES servers(id) ON DELETE CASCADE,
-  UNIQUE (server_id, interface_name)
+  UNIQUE (server_id, interface_name, peer_public_key)
 );
 CREATE INDEX IF NOT EXISTS idx_user_iface_bind_user
   ON user_interface_bindings(user_id);
 `)
 
 // Lightweight schema evolution for existing databases without migrations
+{
+  const sampleCols = sqlite.prepare(`PRAGMA table_info('traffic_samples')`).all() as Array<{ name?: string }>
+  if (!sampleCols.some((c) => c.name === "peer_public_key")) {
+    sqlite.exec(`ALTER TABLE traffic_samples ADD COLUMN peer_public_key TEXT NOT NULL DEFAULT ''`)
+  }
+}
+
+{
+  const bindCols = sqlite.prepare(`PRAGMA table_info('user_interface_bindings')`).all() as Array<{ name?: string }>
+  if (!bindCols.some((c) => c.name === "peer_public_key")) {
+    sqlite.exec(`ALTER TABLE user_interface_bindings ADD COLUMN peer_public_key TEXT NOT NULL DEFAULT ''`)
+  }
+  if (!bindCols.some((c) => c.name === "peer_name")) {
+    sqlite.exec(`ALTER TABLE user_interface_bindings ADD COLUMN peer_name TEXT NOT NULL DEFAULT ''`)
+  }
+
+  const indexes = sqlite.prepare(`PRAGMA index_list('user_interface_bindings')`).all() as Array<{
+    name?: string
+    unique?: number
+  }>
+  let hasPeerUnique = false
+  for (const idx of indexes) {
+    if (!idx.name || !idx.unique) continue
+    const info = sqlite.prepare(`PRAGMA index_info(${JSON.stringify(idx.name)})`).all() as Array<{ name?: string }>
+    const names = info.map((c) => c.name)
+    if (names.includes("server_id") && names.includes("interface_name") && names.includes("peer_public_key")) {
+      hasPeerUnique = true
+    }
+  }
+  if (!hasPeerUnique) {
+    sqlite.exec(`PRAGMA foreign_keys = OFF`)
+    sqlite.exec(`
+      CREATE TABLE user_interface_bindings_new (
+        id TEXT PRIMARY KEY,
+        user_id TEXT NOT NULL,
+        server_id INTEGER NOT NULL,
+        interface_name TEXT NOT NULL,
+        interface_type TEXT NOT NULL DEFAULT 'other',
+        peer_public_key TEXT NOT NULL DEFAULT '',
+        peer_name TEXT NOT NULL DEFAULT '',
+        comment TEXT NOT NULL DEFAULT '',
+        created_at TEXT NOT NULL DEFAULT (datetime('now')),
+        updated_at TEXT NOT NULL DEFAULT (datetime('now')),
+        FOREIGN KEY (user_id) REFERENCES app_users(id) ON DELETE CASCADE,
+        FOREIGN KEY (server_id) REFERENCES servers(id) ON DELETE CASCADE,
+        UNIQUE (server_id, interface_name, peer_public_key)
+      );
+      INSERT INTO user_interface_bindings_new
+        (id, user_id, server_id, interface_name, interface_type, peer_public_key, peer_name, comment, created_at, updated_at)
+      SELECT id, user_id, server_id, interface_name, interface_type,
+        COALESCE(peer_public_key, ''), COALESCE(peer_name, ''), comment, created_at, updated_at
+      FROM user_interface_bindings;
+      DROP TABLE user_interface_bindings;
+      ALTER TABLE user_interface_bindings_new RENAME TO user_interface_bindings;
+      CREATE INDEX IF NOT EXISTS idx_user_iface_bind_user ON user_interface_bindings(user_id);
+    `)
+    sqlite.exec(`PRAGMA foreign_keys = ON`)
+  }
+}
+
 const recursiveCols = sqlite.prepare(`PRAGMA table_info('recursive_routes')`).all() as Array<{ name?: string }>
 const hasCountryColumn = recursiveCols.some((c) => c.name === "country")
 if (!hasCountryColumn) {

backend/src/db/schema.ts

@@ -164,6 +164,7 @@ export const trafficSamples = sqliteTable("traffic_samples", {
                   .notNull()
                   .references(() => servers.id, { onDelete: "cascade" }),
   interfaceName: text("interface_name").notNull(),
+  peerPublicKey: text("peer_public_key").notNull().default(""),
   sampledAt:     text("sampled_at").notNull(),
   rxBytes:       integer("rx_bytes").notNull().default(0),
   txBytes:       integer("tx_bytes").notNull().default(0),
@@ -570,11 +571,13 @@ export const userInterfaceBindings = sqliteTable("user_interface_bindings", {
   interfaceType:  text("interface_type", { enum: ["ether", "gre", "wg", "other"] })
                     .notNull()
                     .default("other"),
+  peerPublicKey:  text("peer_public_key").notNull().default(""),
+  peerName:       text("peer_name").notNull().default(""),
   comment:        text("comment").notNull().default(""),
   createdAt:      text("created_at").notNull().default(sql`(datetime('now'))`),
   updatedAt:      text("updated_at").notNull().default(sql`(datetime('now'))`),
 }, (t) => [
-  uniqueIndex("idx_user_iface_bind_server_name").on(t.serverId, t.interfaceName),
+  uniqueIndex("idx_user_iface_bind_server_name_peer").on(t.serverId, t.interfaceName, t.peerPublicKey),
 ])
 
 export const internetPathSnapshots = sqliteTable("internet_path_snapshots", {