feat: adição de novos ícones SVG e configuração do ambiente

- Adicionados ícones SVG para ChatGPT, Claude, Gemini e OpenRouter
- Implementados ícones para modos claro e escuro do ChatGPT
- Criado script de inicialização para PostgreSQL com extensão pgcrypto
- Adicionado script de configuração de ambiente que faz backup do .env
- Configurado tsconfig.json para TypeScript com opções de compilação

lib/logo/index.ts

@@ -0,0 +1,40 @@
+/**
+ * Logo utilities
+ *
+ * Consolidated from:
+ * - /lib/logo.ts (utility functions)
+ */
+
+/**
+ * Normalizes logo path to get just the filename
+ * @param logo - Logo path or URL
+ * @returns Filename only
+ */
+export const normalizeLogo = (logo?: string | null) =>
+  logo?.split("/").filter(Boolean).pop() ?? "";
+
+/**
+ * Derives a display name from a logo filename
+ * @param logo - Logo path or filename
+ * @returns Formatted display name
+ * @example
+ * deriveNameFromLogo("my-company-logo.png") // "My Company Logo"
+ */
+export const deriveNameFromLogo = (logo?: string | null) => {
+  if (!logo) {
+    return "";
+  }
+
+  const fileName = normalizeLogo(logo);
+
+  if (!fileName) {
+    return "";
+  }
+
+  const withoutExtension = fileName.replace(/\.[^/.]+$/, "");
+  return withoutExtension
+    .split(/[-_.\s]+/)
+    .filter(Boolean)
+    .map((part) => part.charAt(0).toUpperCase() + part.slice(1).toLowerCase())
+    .join(" ");
+};

lib/logo/options.ts

@@ -0,0 +1,30 @@
+/**
+ * Logo options loader
+ *
+ * Consolidated from:
+ * - /lib/logo-options.ts (async logo loading)
+ */
+
+import { readdir } from "node:fs/promises";
+import path from "node:path";
+
+const LOGOS_DIRECTORY = path.join(process.cwd(), "public", "logos");
+const LOGO_EXTENSIONS = new Set([".png", ".jpg", ".jpeg", ".svg", ".webp"]);
+
+/**
+ * Loads available logo files from the public/logos directory
+ * @returns Array of logo filenames sorted alphabetically
+ */
+export async function loadLogoOptions() {
+  try {
+    const files = await readdir(LOGOS_DIRECTORY, { withFileTypes: true });
+
+    return files
+      .filter((file) => file.isFile())
+      .map((file) => file.name)
+      .filter((file) => LOGO_EXTENSIONS.has(path.extname(file).toLowerCase()))
+      .sort((a, b) => a.localeCompare(b, "pt-BR", { sensitivity: "base" }));
+  } catch {
+    return [];
+  }
+}