chore(52-001): align manifest sources, bump minAppVersion to 1.9.0, add PyYAML dep

- Add clarifying comment in bump.py about canonical version source
- Update root and plugin manifest.json minAppVersion from 1.0.0 to 1.9.0
- Update versions.json compatibility mapping to 1.9.0
- Add pyyaml>=6.0 to pyproject.toml dependencies

manifest.json

@@ -1,8 +1,8 @@
 {
   "id": "paperforge",
   "name": "PaperForge",
-  "version": "1.4.17rc1",
-  "minAppVersion": "1.0.0",
+  "version": "1.4.17rc2",
+  "minAppVersion": "1.9.0",
   "description": "PaperForge — Zotero literature pipeline. Sync PDFs, run OCR, and read with AI-assisted deep reading.",
   "author": "Lin Zhaoxuan",
   "authorUrl": "https://github.com/LLLin000",

paperforge/plugin/manifest.json

@@ -2,7 +2,7 @@
   "id": "paperforge",
   "name": "PaperForge",
   "version": "1.4.17rc2",
-  "minAppVersion": "1.0.0",
+  "minAppVersion": "1.9.0",
   "description": "PaperForge — Zotero literature pipeline. Sync PDFs, run OCR, and read with AI-assisted deep reading.",
   "author": "Lin Zhaoxuan",
   "authorUrl": "https://github.com/LLLin000",

paperforge/plugin/versions.json

@@ -1,4 +1,4 @@
 {
-  "1.4.3": "1.0.0",
-  "1.4.17rc2": "1.0.0"
+  "1.4.3": "1.9.0",
+  "1.4.17rc2": "1.9.0"
 }

pyproject.toml

@@ -31,6 +31,7 @@ dependencies = [
     "tenacity>=8.2.0",
     "tqdm>=4.66.0",
     "filelock>=3.13.0",
+    "pyyaml>=6.0",
 ]
 
 [project.optional-dependencies]

scripts/bump.py

@@ -19,6 +19,8 @@ from pathlib import Path
 
 ROOT = Path(__file__).resolve().parent.parent
 
+# Both root_manifest and plugin_manifest are updated from the canonical __init__.py version —
+# never edit version directly in manifest.json. The source of truth is __version__ in __init__.py.
 FILES_TO_UPDATE = {
     "__init__": ROOT / "paperforge" / "__init__.py",
     "plugin_manifest": ROOT / "paperforge" / "plugin" / "manifest.json",