feat: added get_inscription tool

Armaan Guptarequested to merge
tools/get-inscription into develop

Closes #3

Description:

Adds the get_inscription MCP tool. Given an artifact ID (P-number or bare integer), it returns the tablet's inscription as ATF text.

How it works:

  • Normalizes the ID and fetches /artifacts/{id}.json
  • Extracts the inscription text from data[0].inscription.atf
  • Returns a clear message when an artifact has no inscription

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