新墨润纸，版本初发 · Release 0.3.2 with N1 CLI, EXIF, ROI, detect, and Electron fix

[eric8810]

Summary

Patch release adding the N1 CLI entry point and Windows Electron delay-load fix.

Version bump

• �indings/node/package.json: 0.3.1 → 0.3.2
• CMakeLists.txt: project version 0.3.1 → 0.3.2

pm-release.yml default version → 0.3.2

• CLI CORE_VERSION constant → 0.3.2

What's new (from N1 + PR #28)

• CLI: light-ocr bin with
  ecognize/detect/info subcommands, envelope schema, exit codes
• EXIF: JPEG orientation 1–8 correction, --no-exif flag, �ppliedTransforms reporting
• ROI: --region x,y,w,h pageSpace crop, adapter-layer pixel crop, box offset
• detect: Engine::detect() in Core,
  ative_detect binding, detect subcommand with --crop
• Envelope: schemaVersion: 1 DocumentResult, stable line/detection IDs
• Electron: Windows delay-load hook for renamed Node-API hosts
• README: Rewritten for npm users (CLI, Node API, capabilities, scenarios)
• CHANGELOG: 0.3.2 entry with full Added/Changed sections

Release plan

1. Merge this PR to main
2. Trigger
   pm release workflow with �ersion=0.3.2, publish_to_registry=false (dry run)
3. If all gates pass, re-trigger with publish_to_registry=true
4. After registry verification, re-trigger with promote_latest=true

CI status

N1 changes (PR #29) passed all 10 CI jobs on the feat/n1-cli branch. This PR rebases those changes onto main with version bump and README.