feat: scaffold Astro + Tailwind project

node_modules/astro/dist/runtime/server/render/head-propagation/runtime.d.ts

@@ -0,0 +1,20 @@
+import { type HeadInstructionRenderState } from '../../../../core/head-propagation/policy.js';
+import type { SSRResult } from '../../../../types/public/internal.js';
+import type { AstroComponentFactory } from '../astro/factory.js';
+/** Facade helper used by runtime adapters to read effective hint resolution. */
+export declare function getPropagationHint(result: SSRResult, factory: AstroComponentFactory): import("../../../../types/public/internal.js").PropagationHint;
+/**
+ * Registers an instance in the propagation set when its hint requires buffering.
+ *
+ * @example
+ * A runtime-created component with `propagation: 'self'` is registered so its
+ * styles can be collected before head flush.
+ */
+export declare function registerIfPropagating(result: SSRResult, factory: AstroComponentFactory, instance: {
+    init(result: SSRResult): unknown | Promise<unknown>;
+}): void;
+export declare function bufferPropagatedHead(result: SSRResult): Promise<void>;
+/** Facade helper for render instruction gating (`head` vs `maybe-head`). */
+export declare function shouldRenderInstruction(type: 'head' | 'maybe-head', state: HeadInstructionRenderState): boolean;
+/** Projects `SSRResult` into the minimal state needed by instruction policy. */
+export declare function getInstructionRenderState(result: SSRResult): HeadInstructionRenderState;