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Michael Ramos 72b8ae069d feat(annotate): configurable extra markdown extensions (#1307)
Adds a config-only `markdownExtensions` key to ~/.plannotator/config.json,
e.g. { "markdownExtensions": [".livemd"] } for Livebook notebooks. A listed
extension is accepted everywhere .md is on the annotate path: CLI target
resolution, folder discovery and the file browser, /api/doc plus relative and
wiki-link navigation between sibling docs, the 2MB size cap, and per-file
version history. Listed extensions render as markdown with frontmatter
stripped, never as raw HTML, and they only widen the accepted set.

Design:
- packages/core/annotatable.ts stays browser-safe and zero-dep. Its regexes
  and predicates now take an optional, defaulted-empty list of extra
  extensions, plus a normalizer and regex builders.
- packages/shared/markdown-extensions.ts is the node-side seam: it reads
  config.json once per process through the existing loadConfig() and threads
  the normalized list into those pure functions. resolve-file re-exports the
  config-aware predicates so both runtimes pick them up; the Bun server, the
  Pi mirror, the OpenCode plugin and the CLI all go through them.
- The annotate /api/plan payload ships the resolved list so the renderer can
  linkify links to sibling documents (module-level UI registry, empty by
  default, so nothing changes without config).

Validation: entries must be dot-led, lowercase-normalized, and free of path
separators, globs and whitespace. Invalid entries are dropped silently,
built-ins are deduplicated, and `.env` is denylisted so config can never
register it (annotate copies file contents into the data dir).

Deliberately unchanged: the Pi plan-write allowlist (ALLOWED_PLAN_EXTENSIONS
in tool-scope.ts) and Edit Mode source save (SOURCE_SAVE_FILE_REGEX), which
keep their own narrower allowlists.
2026-08-13 08:33:34 -07:00
..
2026-08-12 17:07:36 -07:00