Update eyeball plugin with bug fixes and Windows support

- Fix resource leaks (pdf_doc closed in finally blocks)
- Fix Windows Word COM automation (DispatchEx, proper cleanup)
- Fix converter order (Word before LibreOffice on Windows)
- Add source file existence checks with clear errors
- Fix Playwright cache detection for all platforms
- Fix setup.sh error handling (pipefail)
- Fix AppleScript path injection
- Fix highlight padding scaling with DPI
- Add pywin32 as Windows dependency
- Update README with Windows setup instructions

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

skills/eyeball/SKILL.md

@@ -42,7 +42,12 @@ Before first use, check that dependencies are installed:
 python3 <path-to>/eyeball.py setup-check
 ```
 
-If anything is missing, install the required dependencies:
+If anything is missing, run the setup script from the eyeball plugin directory:
+```bash
+bash <path-to>/setup.sh
+```
+
+Or install manually:
 ```bash
 pip3 install pymupdf pillow python-docx playwright
 python3 -m playwright install chromium
@@ -57,7 +62,7 @@ Follow these steps exactly. The order matters.
 Before writing any analysis, extract and read the full text of the source document:
 
 ```bash
-python3 <path-to>/eyeball.py extract-text --source "<path-or-url>"
+python3 eyeball.py extract-text --source "<path-or-url>"
 ```
 
 Read the output carefully. Identify actual section numbers, headings, page numbers, and key language.
@@ -113,7 +118,7 @@ RIGHT -- includes the section number for precision, targets the correct page:
 Construct a JSON array of sections and call the build command:
 
 ```bash
-python3 <path-to>/eyeball.py build \
+python3 eyeball.py build \
   --source "<path-or-url>" \
   --output ~/Desktop/<title>.docx \
   --title "Analysis Title" \