feat: links cruzados autor->/autor y parodia->/franquicia en posts

src/app/(public)/p/[slug]/page.tsx

@@ -1,7 +1,7 @@
 import { notFound } from "next/navigation"
 import Link from "next/link"
 import type { Metadata } from "next"
-import { getPostBySlug, getAllPosts } from "@/lib/db"
+import { getPostBySlug, getAllPosts, getAuthorSlugByName } from "@/lib/db"
 import { PostCard } from "@/components/post-card"
 import { TagBadge } from "@/components/tag-badge"
 import { ArrowLeft, BookOpen, ExternalLink } from "lucide-react"
@@ -78,6 +78,9 @@ export default async function PostDetailPage({
       post.summary.length > 50
   )
 
+  // Enlaces cruzados: autor -> página de autor, parodia -> franquicia.
+  const authorSlug = post.artist ? getAuthorSlugByName(post.artist) : null
+
   return (
     <div className="pb-16 md:pb-0">
       <Link
@@ -117,11 +120,23 @@ export default async function PostDetailPage({
             </div>
 
             <div className="flex flex-wrap items-center gap-2 text-xs sm:text-sm">
-              {post.artist && (
-                <TagBadge tag={`artist:${post.artist}`} href={`/tag/${encodeURIComponent(`artist:${post.artist}`)}`} />
+              {post.artist && authorSlug && (
+                <Link
+                  href={`/autor/${authorSlug}`}
+                  className="inline-flex items-center gap-1.5 rounded-full border border-[var(--border)] bg-[var(--surface)] px-2.5 py-1 text-xs text-[var(--foreground)] transition-colors hover:border-[var(--accent)] hover:text-[var(--accent)]"
+                >
+                  <span className="text-[var(--muted)]"> artista:</span>
+                  {post.artist}
+                </Link>
               )}
-              {post.parody && (
-                <TagBadge tag={`parody:${post.parody}`} href={`/tag/${encodeURIComponent(`parody:${post.parody}`)}`} />
+              {post.parody && !["original", "sin parodia"].includes(post.parody) && (
+                <Link
+                  href={`/franquicia/${encodeURIComponent(post.parody)}`}
+                  className="inline-flex items-center gap-1.5 rounded-full border border-[var(--border)] bg-[var(--surface)] px-2.5 py-1 text-xs text-[var(--foreground)] transition-colors hover:border-[var(--accent)] hover:text-[var(--accent)]"
+                >
+                  <span className="text-[var(--muted)]"> franquicia:</span>
+                  {post.parody}
+                </Link>
               )}
               {post.source && (
                 <span className="tag-pill border border-[var(--border)] text-[var(--muted)]">

src/lib/db.ts

@@ -420,6 +420,23 @@ export function getAuthorBySlug(slug: string): Author | null {
   return row ? rowToAuthor(row) : null
 }
 
+// Devuelve el slug de un autor por su nombre (para enlazar desde los posts).
+// Si el autor no está registrado, lo registra sobre la marcha.
+export function getAuthorSlugByName(name: string): string | null {
+  const d = getDb()
+  const clean = (name || "").trim()
+  if (!clean || clean === "sin artista" || clean === "dummy") return null
+
+  d.prepare("INSERT OR IGNORE INTO authors(name, slug) VALUES (?, ?)").run(
+    clean,
+    slugify(clean),
+  )
+  const row = d.prepare("SELECT slug FROM authors WHERE name = ?").get(clean) as
+    | { slug: string }
+    | undefined
+  return row ? row.slug : null
+}
+
 export function getSeriesBySlug(slug: string): Series | null {
   const d = getDb()
   const row = d