AI Hero public discovery

Base URL: https://www.aihero.dev

Start here:
- https://www.aihero.dev/api -> stable public JSON discovery document
- https://www.aihero.dev/sitemap.md -> markdown discovery index
- https://www.aihero.dev/sitemap.xml -> XML sitemap for crawlers
- https://www.aihero.dev/llms.txt -> short operator hint surface

Human route families:
- Posts and lists: `https://www.aihero.dev/<slug>`
- Workshop lessons: `https://www.aihero.dev/workshops/<module>/<lesson>` for free public lessons
- Tutorial lessons: `https://www.aihero.dev/tutorials/<module>/<lesson>`
- Workshop landing pages: `https://www.aihero.dev/workshops/<module>`
- Products: `https://www.aihero.dev/products/<slug>`
- Cohorts: `https://www.aihero.dev/cohorts/<slug>`
- Events: `https://www.aihero.dev/events/<slug>`

Markdown twins:
- Posts and lists: `https://www.aihero.dev/<slug>.md`
- Workshop lessons: `https://www.aihero.dev/workshops/<module>/<lesson>.md` for free public lessons
- Tutorial lessons: `https://www.aihero.dev/tutorials/<module>/<lesson>.md`
- Workshop landing pages: `https://www.aihero.dev/workshops/<module>.md`
- Products: `https://www.aihero.dev/products/<slug>.md`
- Cohorts: `https://www.aihero.dev/cohorts/<slug>.md`
- Events: `https://www.aihero.dev/events/<slug>.md`

Public JSON APIs:
- https://www.aihero.dev/api -> public discovery document for formats, route families, and next actions
- https://www.aihero.dev/api/search?q=<query> -> public search entry point for public content
- https://www.aihero.dev/api/resources?slugOrId=<slug>&type=<type> -> structured resource lookup by slug or id

Formats:
- HTML by default
- Markdown via explicit .md twins on supported public content
- JSON discovery via /api

Notes:
- Discovery surfaces only reference public or free content.
- Existing Accept: text/markdown negotiation still works on the currently supported post and lesson routes.