Release v1.1.1

Merge pull request Narcooo#150 from Narcooo/release/1.1.0

v1.1.0: Writing Pipeline Overhaul

chore: bump version to 1.0.0, update CHANGELOG

Studio integration, stability fixes, and documentation updates.

chore: bump version to 0.6.3, SKILL.md to 2.1.0, update CHANGELOG

fix: harden agent tool descriptions and add prohibitive system prompt

- write_draft: explicitly states "next chapter only", cannot backfill
- revise_chapter: cannot substitute for missing chapters or change chapter numbers
- import_chapters: marked as whole-book reimport, not single-chapter patch
- write_truth_file: marked as full-file overwrite, cannot hack chapter progress
- System prompt: added prohibitions section preventing common misuse patterns

Addresses Narcooo#92 Narcooo#93

chore: bump version to 0.6.1

fix: restore workspace:* dep for CI lockfile compat

fix: lazy-load node:sqlite for Node 20 compatibility