Initial commit: Pixel AI comic/video creation platform

- FastAPI backend with SQLModel, Alembic migrations, AgentScope agents
- Next.js 15 frontend with React 19, Tailwind, Zustand, React Flow
- Multi-provider AI system (DashScope, Kling, MiniMax, Volcengine, OpenAI, etc.)
- All HTTP clients migrated from sync requests to async httpx
- Admin-managed API keys via environment variables
- SSRF vulnerability fixed in ensure_url()

frontend/tailwind.config.ts

@@ -0,0 +1,99 @@
+import type { Config } from "tailwindcss";
+import { fontFamily } from "tailwindcss/defaultTheme";
+import colors from "tailwindcss/colors";
+
+const config: Config = {
+    darkMode: ["class"],
+    content: [
+    "./src/pages/**/*.{js,ts,jsx,tsx,mdx}",
+    "./src/components/**/*.{js,ts,jsx,tsx,mdx}",
+    "./src/app/**/*.{js,ts,jsx,tsx,mdx}",
+  ],
+  theme: {
+  	extend: {
+  		colors: {
+  			background: 'hsl(var(--background))',
+  			foreground: 'hsl(var(--foreground))',
+  			card: {
+  				DEFAULT: 'hsl(var(--card))',
+  				foreground: 'hsl(var(--card-foreground))'
+  			},
+  			popover: {
+  				DEFAULT: 'hsl(var(--popover))',
+  				foreground: 'hsl(var(--popover-foreground))'
+  			},
+  			primary: {
+  				DEFAULT: 'hsl(var(--primary))',
+  				foreground: 'hsl(var(--primary-foreground))'
+  			},
+  			secondary: {
+  				DEFAULT: 'hsl(var(--secondary))',
+  				foreground: 'hsl(var(--secondary-foreground))'
+  			},
+  			muted: {
+  				DEFAULT: 'hsl(var(--muted))',
+  				foreground: 'hsl(var(--muted-foreground))'
+  			},
+  			accent: {
+  				DEFAULT: 'hsl(var(--accent))',
+  				foreground: 'hsl(var(--accent-foreground))'
+  			},
+  			destructive: {
+  				DEFAULT: 'hsl(var(--destructive))',
+  				foreground: 'hsl(var(--destructive-foreground))'
+  			},
+  			border: 'hsl(var(--border))',
+  			input: 'hsl(var(--input))',
+  			ring: 'hsl(var(--ring))',
+  			chart: {
+  				'1': 'hsl(var(--chart-1))',
+  				'2': 'hsl(var(--chart-2))',
+  				'3': 'hsl(var(--chart-3))',
+  				'4': 'hsl(var(--chart-4))',
+  				'5': 'hsl(var(--chart-5))'
+  			},
+            brand: {
+                DEFAULT: colors.cyan[500],
+                from: colors.cyan[500],
+                to: colors.blue[600],
+            }
+  		},
+  		borderRadius: {
+  			lg: 'var(--radius)',
+  			md: 'calc(var(--radius) - 2px)',
+  			sm: 'calc(var(--radius) - 4px)'
+  		},
+  		fontFamily: {
+  			sans: ["var(--font-geist-sans)", ...fontFamily.sans],
+  			mono: ["var(--font-geist-mono)", ...fontFamily.mono],
+  		},
+  		keyframes: {
+  			"accordion-down": {
+  				from: { height: "0" },
+  				to: { height: "var(--radix-accordion-content-height)" },
+  			},
+  			"accordion-up": {
+  				from: { height: "var(--radix-accordion-content-height)" },
+  				to: { height: "0" },
+  			},
+  		},
+  		animation: {
+  			"accordion-down": "accordion-down 0.2s ease-out",
+  			"accordion-up": "accordion-up 0.2s ease-out",
+  		},
+        transitionTimingFunction: {
+            "spring": "cubic-bezier(0.32, 0.72, 0, 1)",
+        },
+  	}
+  },
+  safelist: [
+    {
+      pattern: /(from|to)-(pink|blue|gray|orange|yellow|purple|slate|emerald|teal|amber|red|green|indigo)-(100|200|300|400|500|600|700|800|900)(\/(10|20|30|40|50))?/,
+    }
+  ],
+  plugins: [
+    require("tailwindcss-animate"),
+    require('@tailwindcss/typography'),
+  ],
+};
+export default config;