docs: add product docs and screenshots

Multi-format shelve support (DOCX/ODT/Pages/XLSX/ODS/Numbers), the
ingest→shelve terminology rename, GPU_SERVER_URL config rename, and the
Agent-ModernColBERT retriever swap — see release notes.

README.md

@@ -4,7 +4,7 @@
 
 [![Status](https://img.shields.io/badge/status-beta-blue)](https://git.opensourcesolarpunk.com/Circuit-Forge/pagepiper)
 [![License: MIT / BSL 1.1](https://img.shields.io/badge/license-MIT%20%2F%20BSL%201.1-blue)](LICENSE)
-[![Version](https://img.shields.io/badge/version-v0.1.0-orange)](https://git.opensourcesolarpunk.com/Circuit-Forge/pagepiper/releases)
+[![Version](https://img.shields.io/badge/version-v0.2.0-orange)](https://git.opensourcesolarpunk.com/Circuit-Forge/pagepiper/releases)
 
 Self-hosted document and spreadsheet search — PDF, EPUB, DOCX, ODT, Apple Pages, XLSX, ODS, and Apple Numbers — with BM25 (Best Match 25) full-text indexing and LLM (large language model) synthesis. Drop your documents in, ask a question, get an answer that tells you exactly which page to turn to.
 

docs/index.md

@@ -10,13 +10,15 @@ Try it: [pagepiper.circuitforge.tech](https://pagepiper.circuitforge.tech)
 
 ### Library
 
-![Library view](screenshots/01-library.png)
+![Library view](screenshots/01-library.png){ .only-light }
+![Library view](screenshots/01-library-dark.png){ .only-dark }
 
 Scan your PDF directory to index documents, or upload individual PDFs directly. Each document shows page count and shelving status.
 
 ### Chat
 
-![Chat view](screenshots/02-chat.png)
+![Chat view](screenshots/02-chat.png){ .only-light }
+![Chat view](screenshots/02-chat-dark.png){ .only-dark }
 
 Ask questions across your indexed documents. Results cite the source document and page number.
 

mkdocs.yml

@@ -31,6 +31,7 @@ theme:
 
 markdown_extensions:
   - admonition
+  - attr_list
   - pymdownx.details
   - pymdownx.superfences:
       custom_fences:
@@ -59,6 +60,7 @@ nav:
     - Architecture: reference/architecture.md
     - Tier System: reference/tier-system.md
     - Environment Variables: reference/environment-variables.md
+  - All CF Docs: https://docs.circuitforge.tech
 
 extra_css:
   - stylesheets/theme.css

pyproject.toml

@@ -4,8 +4,8 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pagepiper"
-version = "0.1.0"
-description = "Self-hosted PDF library manager with RAG chat and page-level citations"
+version = "0.2.0"
+description = "Self-hosted document and spreadsheet library manager with RAG chat and page-level citations"
 readme = "README.md"
 requires-python = ">=3.11"
 dependencies = [